linaro-dev July 2011

linaro-dev@lists.linaro.org

107 participants
163 discussions

[PATCH] mmc: documentation of mmc non-blocking request usage and design.

by Per Forlin

Documentation about the background and the design of mmc non-blocking. Host driver guide lines to minimize request preparation over head. Signed-off-by: Per Forlin <per.forlin(a)linaro.org> --- Documentation/mmc/00-INDEX | 2 + Documentation/mmc/mmc-async-req.txt | 85 +++++++++++++++++++++++++++++++++++ 2 files changed, 87 insertions(+), 0 deletions(-) create mode 100644 Documentation/mmc/mmc-async-req.txt diff --git a/Documentation/mmc/00-INDEX b/Documentation/mmc/00-INDEX index 93dd7a7..11bc2cf 100644 --- a/Documentation/mmc/00-INDEX +++ b/Documentation/mmc/00-INDEX @@ -4,3 +4,5 @@ mmc-dev-attrs.txt - info on SD and MMC device attributes mmc-dev-parts.txt - info on SD and MMC device partitions +mmc-async-req.txt + - info on mmc asynchronous request diff --git a/Documentation/mmc/mmc-async-req.txt b/Documentation/mmc/mmc-async-req.txt new file mode 100644 index 0000000..d139a51 --- /dev/null +++ b/Documentation/mmc/mmc-async-req.txt @@ -0,0 +1,85 @@ +Rationale +========= + +How significant is the cache maintenance over head? +It depends, fast eMMC and multiple cache levels with speculative cache pre-fetch +makes the cache overhead relatively significant. If the DMA preparations +for the next request is done in parallel to the current transfer +the DMA preparation overhead would not affect the MMC performance. +The intention of non-blocking (asynchronous) mmc requests is to minimize the +time between a mmc request ends and another mmc request begins. +Using mmc_wait_for_req() the MMC controller is idle when dma_map_sg and +dma_unmap_sg is processing. Using non-blocking mmc request makes it +possible to prepare the caches for next job in parallel to an active +mmc request. + +MMC block driver +================ + +The issue_rw_rq() in the mmc block driver is made non-blocking. +The increase in throughput is proportional to the time it takes to +prepare (major part of preparations is dma_map_sg and dma_unmap_sg) +a request and how fast the memory is. The faster the MMC/SD is +the more significant the prepare request time becomes. Roughly the expected +performance gain is 5% for large writes and 10% on large reads on a L2 cache +platform. In power save mode, when clocks run on a lower frequency, the DMA +preparation may cost even more. As long as these slower preparations are run +in parallel to the transfer performance wont be affected. + +Details on measurements from IOZone and mmc_test +================================================ + +https://wiki.linaro.org/WorkingGroups/Kernel/Specs/StoragePerfMMC-async-req + +MMC core API extension +====================== + +There is one new public function mmc_start_req() +Is starts a new MMC command request for a host. The function isn't +truely non-blocking. If there is on ongoing async request it waits +for completion of that request and starts the new one and return. It +Doesn't wait for the new request to complete. If there is no ongoing +request it starts the new request and returns immediately. + +MMC host extensions +=================== + +There are two optional hooks pre_req() and post_req() that the host driver +may implement in order to move work to before and after the actual mmc_request +function is called. In the DMA case pre_req() may do dma_map_sg() and prepare +the dma descriptor, and post_req runs the dma_unmap_sg. + +Optimize for the first request +============================== + +The first request in a series of requests can't be prepared in parallel to the +previous transfer, since there is no previous request. +The argument is_first_req in pre_req() indicates that there is no previous +request. The host driver may optimize for this scenario to minimize +the performance loss. A way to optimize for this is to split the current +request in two chunks, prepare the first chunk and start the request, +and finally prepare the second chunk and start the transfer. + +Pseudocode to handle is_first_req scenario with minimal prepare over head: +if (is_first_req && req->size > threshold) + /* start MMC transfer for the complete transfer size */ + mmc_start_command(MMC_CMD_TRANSFER_FULL_SIZE) + + /* + * Begin to prepare DMA while cmd is being processed by MMC. + * The first chunk of the request should take the same time + * to prepare as the "MMC process command time". + * If prepare time exceeds MMC cmd time + * the transfer is delayed, guesstimate max 4k as first chunk size. + */ + prepare_1st_chunk_for_dma(req) + /* flush pending desc to the DMAC (dmaengine.h) */ + dma_issue_pending(req->dma_desc); + + prepare_2st_chunk_for_dma(req) + /* + * The second issue_pending should be called before MMC runs out + * of the first chunk. If the MMC runs out of the first data chunk before + * this call, the transfer is delayed. + */ + dma_issue_pending(req->dma_desc); -- 1.7.4.1

12 years, 11 months

[Patch 5/11] Regulator: DA9052 regulator support v2

by ashishj3

The DA9052 PMIC has below featured regulators:- 4 DVS Buck converters 0.5V - 3.6V upto 1Amp. 10 Programmable LDO's High PSSR, 1% accuracy. This patch support all the DA9052 regulators. The output voltages are fully programmable via I2C or SPI interface. The platform data with regulation constraints is passed down from the board to the regulator. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> CC: Mark Brown <broonie(a)opensource.wolfsonmicro.com> --- Changes since v2 - Check for current min_uA < 700000 - Corrected current conversions from mA to uA --- drivers/regulator/Kconfig | 7 + drivers/regulator/Makefile | 1 + drivers/regulator/da9052-regulator.c | 544 ++++++++++++++++++++++++++++++++++ 3 files changed, 552 insertions(+), 0 deletions(-) create mode 100755 drivers/regulator/da9052-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index fa61fe2..ae80461 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -167,6 +167,13 @@ config REGULATOR_DA903X Say y here to support the BUCKs and LDOs regulators found on Dialog Semiconductor DA9030/DA9034 PMIC. +config REGULATOR_DA9052 + tristate "Dialog DA9052 regulators" + depends on PMIC_DA9052 + help + Say y here to support the BUCKs and LDOs regulators found on + Dialog Semiconductor DA9052 PMIC. + config REGULATOR_PCF50633 tristate "PCF50633 regulator driver" depends on MFD_PCF50633 diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 8cb6d0d..3738361 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o +obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c new file mode 100755 index 0000000..e7126d7 --- /dev/null +++ b/drivers/regulator/da9052-regulator.c @@ -0,0 +1,544 @@ +/* +* da9052-regulator.c: Regulator driver for DA9052 +* +* Copyright(c) 2011 Dialog Semiconductor Ltd. +* +*Author: David Dajun Chen <dchen(a)diasemi.com> +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +*/ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> +#include <linux/mfd/da9052/pdata.h> + +/* Buck step size */ +#define DA9052_BUCK_PERI_3uV_STEP 100000 +#define DA9052_BUCK_PERI_REG_MAP_UPTO_3uV 24 +#define DA9052_CONST_3uV 3000000 + +/* Buck current limits */ +#define DA9052_BUCK_CURRENT_LIMIT_700mA 0 +#define DA9052_BUCK_CURRENT_LIMIT_800mA 1 +#define DA9052_BUCK_CURRENT_LIMIT_1000mA 2 +#define DA9052_BUCK_CURRENT_LIMIT_1200mA 3 + +/* Bit masks */ +#define DA9052_BUCK_ILIM_MASK_EVEN 0x3F +#define DA9052_BUCK_ILIM_MASK_ODD 0xF3 + +struct da9052_regulator_info { + struct regulator_desc reg_desc; + int step_uV; + int min_uV; + int max_uV; + unsigned char volt_shift; + unsigned char en_bit; + unsigned char activate_bit; +}; + +struct da9052_regulator { + struct da9052 *da9052; + struct da9052_regulator_info *info; + struct regulator_dev *rdev; +}; + +static int verify_range(struct da9052_regulator_info *info, + int min_uV, int max_uV) +{ + if (min_uV < info->min_uV || min_uV > info->max_uV) + return -EINVAL; + if (max_uV < info->min_uV || max_uV > info->max_uV) + return -EINVAL; + + return 0; +} + +static int da9052_regulator_enable(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + + return da9052_reg_update(regulator->da9052, + DA9052_BUCKCORE_REG + offset, + 1 << info->en_bit, 1); +} + +static int da9052_regulator_disable(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + + return da9052_reg_update(regulator->da9052, + DA9052_BUCKCORE_REG + offset, + 1 << info->en_bit, 0); +} + +static int da9052_regulator_is_enabled(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset); + if (ret < 0) + return ret; + + return ret & (1 << info->en_bit); +} + +static int da9052_dcdc_get_current_limit(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + int offset = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_read(regulator->da9052, DA9052_BUCKA_REG + offset/2); + if (ret < 0) + return ret; + + /* Determine the even or odd position of the buck current limit + * register field */ + if (offset % 2 == 0) + ret = (ret & DA9052_BUCK_ILIM_MASK_EVEN) >> 2; + else + ret = (ret & DA9052_BUCK_ILIM_MASK_ODD) >> 6; + + return ret; +} + +static int da9052_dcdc_set_current_limit(struct regulator_dev *rdev, int min_uA, + int max_uA) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + int offset = rdev_get_id(rdev); + int reg_val; + + if (min_uA < 700000 || min_uA > 1200000) + return -EINVAL; + if (max_uA < 700000 || max_uA > 1200000) + return -EINVAL; + + if (min_uA == 700000) + reg_val = DA9052_BUCK_CURRENT_LIMIT_700mA; + else if (min_uA <= 800000) + reg_val = DA9052_BUCK_CURRENT_LIMIT_800mA; + else if (min_uA <= 1000000) + reg_val = DA9052_BUCK_CURRENT_LIMIT_1000mA; + else if (min_uA <= 1200000) + reg_val = DA9052_BUCK_CURRENT_LIMIT_1200mA; + + /* Determine the even or odd position of the buck current limit + * register field */ + if (offset % 2 == 0) + return da9052_reg_update(regulator->da9052, + DA9052_BUCKA_REG + offset/2, + DA9052_BUCK_ILIM_MASK_EVEN, + reg_val << 2); + else + return da9052_reg_update(regulator->da9052, + DA9052_BUCKA_REG + offset/2, + DA9052_BUCK_ILIM_MASK_ODD, + reg_val << 6); +} + +static int da9052_list_buckperi_voltage(struct regulator_dev *rdev, + unsigned int selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int volt_uV; + + if (selector >= DA9052_BUCK_PERI_REG_MAP_UPTO_3uV) { + volt_uV = ((DA9052_BUCK_PERI_REG_MAP_UPTO_3uV * info->step_uV) + + info->min_uV); + volt_uV += (selector - DA9052_BUCK_PERI_REG_MAP_UPTO_3uV) + * (DA9052_BUCK_PERI_3uV_STEP); + } else + volt_uV = (selector * info->step_uV) + info->min_uV; + + if (volt_uV > info->max_uV) + return -EINVAL; + + return volt_uV; +} + +static int da9052_list_voltage(struct regulator_dev *rdev, + unsigned int selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int volt_uV; + + volt_uV = info->min_uV + info->step_uV * selector; + + if (volt_uV > info->max_uV) + return -EINVAL; + + return volt_uV; +} + +static int da9052_regulator_set_voltage_int(struct regulator_dev *rdev, + int min_uV, int max_uV, + unsigned int *selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + int ret; + + ret = verify_range(info, min_uV, max_uV); + if (ret < 0) + return ret; + + *selector = (min_uV - info->min_uV) / info->step_uV; + + ret = da9052_list_voltage(rdev, *selector); + if (ret < 0) + return ret; + + return da9052_reg_update(regulator->da9052, + DA9052_BUCKCORE_REG + offset, + (1 << info->volt_shift) - 1, *selector); +} + +static int da9052_set_ldo_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV, + unsigned int *selector) +{ + return da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector); +} + +static int da9052_set_ldo5_6_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV, + unsigned int *selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int ret; + + ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector); + if (ret < 0) + return ret; + + /* Some LD0s are DVC controlled which requires enabling of + * the LDO activate bit to implment the changes on the + * LDO output. */ + return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, 0, + info->activate_bit); +} + +static int da9052_set_dcdc_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV, + unsigned int *selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int ret; + + ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector); + if (ret < 0) + return ret; + + /* Some DCDCs are DVC controlled which requires enabling of + * the DCDC activate bit to implment the changes on the + * DCDC output. */ + return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, 0, + info->activate_bit); +} + +static int da9052_get_regulator_voltage_sel(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset); + if (ret < 0) + return ret; + + ret &= ((1 << info->volt_shift) - 1); + + return ret; +} + +static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV, + int max_uV, unsigned int *selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + int ret; + + ret = verify_range(info, min_uV, max_uV); + if (ret < 0) + return ret; + + if (min_uV >= DA9052_CONST_3uV) + *selector = DA9052_CONST_3uV + ((min_uV - DA9052_CONST_3uV) / + (DA9052_BUCK_PERI_3uV_STEP)); + else + *selector = (min_uV - info->min_uV) / info->step_uV; + + ret = da9052_list_buckperi_voltage(rdev, *selector); + if (ret < 0) + return ret; + + return da9052_reg_update(regulator->da9052, + DA9052_BUCKCORE_REG + offset, + (1 << info->volt_shift) - 1, *selector); +} + +static int da9052_get_buckperi_voltage_sel(struct regulator_dev *rdev) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int offset = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset); + if (ret < 0) + return ret; + + ret &= ((1 << info->volt_shift) - 1); + + return ret; +} + +static struct regulator_ops da9052_buckperi_ops = { + .list_voltage = da9052_list_buckperi_voltage, + .get_voltage_sel = da9052_get_buckperi_voltage_sel, + .set_voltage = da9052_set_buckperi_voltage, + + .get_current_limit = da9052_dcdc_get_current_limit, + .set_current_limit = da9052_dcdc_set_current_limit, + + .is_enabled = da9052_regulator_is_enabled, + .enable = da9052_regulator_enable, + .disable = da9052_regulator_disable, +}; + +static struct regulator_ops da9052_dcdc_ops = { + .set_voltage = da9052_set_dcdc_voltage, + .get_current_limit = da9052_dcdc_get_current_limit, + .set_current_limit = da9052_dcdc_set_current_limit, + + .list_voltage = da9052_list_voltage, + .get_voltage_sel = da9052_get_regulator_voltage_sel, + .is_enabled = da9052_regulator_is_enabled, + .enable = da9052_regulator_enable, + .disable = da9052_regulator_disable, +}; + +static struct regulator_ops da9052_ldo5_6_ops = { + .set_voltage = da9052_set_ldo5_6_voltage, + + .list_voltage = da9052_list_voltage, + .get_voltage_sel = da9052_get_regulator_voltage_sel, + .is_enabled = da9052_regulator_is_enabled, + .enable = da9052_regulator_enable, + .disable = da9052_regulator_disable, +}; + +static struct regulator_ops da9052_ldo_ops = { + .set_voltage = da9052_set_ldo_voltage, + + .list_voltage = da9052_list_voltage, + .get_voltage_sel = da9052_get_regulator_voltage_sel, + .is_enabled = da9052_regulator_is_enabled, + .enable = da9052_regulator_enable, + .disable = da9052_regulator_disable, +}; + +#define DA9052_LDO5_6(_id, step, min, max, sbits, ebits, abits) \ +{\ + .reg_desc = {\ + .name = "LDO" #_id,\ + .ops = &da9052_ldo5_6_ops,\ + .type = REGULATOR_VOLTAGE,\ + .id = _id,\ + .owner = THIS_MODULE,\ + },\ + .min_uV = (min) * 1000,\ + .max_uV = (max) * 1000,\ + .step_uV = (step) * 1000,\ + .volt_shift = (sbits),\ + .en_bit = (ebits),\ + .activate_bit = (abits),\ +} + +#define DA9052_LDO(_id, step, min, max, sbits, ebits, abits) \ +{\ + .reg_desc = {\ + .name = "LDO" #_id,\ + .ops = &da9052_ldo_ops,\ + .type = REGULATOR_VOLTAGE,\ + .id = _id,\ + .owner = THIS_MODULE,\ + },\ + .min_uV = (min) * 1000,\ + .max_uV = (max) * 1000,\ + .step_uV = (step) * 1000,\ + .volt_shift = (sbits),\ + .en_bit = (ebits),\ + .activate_bit = (abits),\ +} + +#define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \ +{\ + .reg_desc = {\ + .name = "BUCK" #_id,\ + .ops = &da9052_dcdc_ops,\ + .type = REGULATOR_VOLTAGE,\ + .id = _id,\ + .owner = THIS_MODULE,\ + },\ + .min_uV = (min) * 1000,\ + .max_uV = (max) * 1000,\ + .step_uV = (step) * 1000,\ + .volt_shift = (sbits),\ + .en_bit = (ebits),\ + .activate_bit = (abits),\ +} + +#define DA9052_BUCKPERI(_id, step, min, max, sbits, ebits, abits) \ +{\ + .reg_desc = {\ + .name = "BUCK" #_id,\ + .ops = &da9052_buckperi_ops,\ + .type = REGULATOR_VOLTAGE,\ + .id = _id,\ + .owner = THIS_MODULE,\ + },\ + .min_uV = (min) * 1000,\ + .max_uV = (max) * 1000,\ + .step_uV = (step) * 1000,\ + .volt_shift = (sbits),\ + .en_bit = (ebits),\ + .activate_bit = (abits),\ +} + +struct da9052_regulator_info da9052_regulator_info[] = { + /* Buck1 - 4*/ + DA9052_DCDC(0, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO), + DA9052_DCDC(1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO), + DA9052_DCDC(2, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO), + DA9052_BUCKPERI(3, 50, 1800, 3600, 5, 6, 0), + /* LD01 - LDO10*/ + DA9052_LDO(4, 50, 600, 1800, 5, 6, 0), + DA9052_LDO5_6(5, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO), + DA9052_LDO5_6(6, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO), + DA9052_LDO(7, 25, 1725, 3300, 6, 6, 0), + DA9052_LDO(8, 50, 1200, 3600, 6, 6, 0), + DA9052_LDO(9, 50, 1200, 3600, 6, 6, 0), + DA9052_LDO(10, 50, 1200, 3600, 6, 6, 0), + DA9052_LDO(11, 50, 1200, 3600, 6, 6, 0), + DA9052_LDO(12, 50, 1250, 3650, 6, 6, 0), + DA9052_LDO(13, 50, 1200, 3600, 6, 6, 0), +}; + +static inline struct da9052_regulator_info *find_regulator_info(int id) +{ + struct da9052_regulator_info *info; + int i; + + for (i = 0; i < ARRAY_SIZE(da9052_regulator_info); i++) { + info = &da9052_regulator_info[i]; + if (info->reg_desc.id == id) + return info; + } + + return NULL; +} + +static int __devinit da9052_regulator_probe(struct platform_device *pdev) +{ + struct da9052_regulator *regulator; + struct da9052 *da9052; + struct da9052_pdata *pdata; + int ret; + + regulator = kzalloc(sizeof(struct da9052_regulator), GFP_KERNEL); + if (!regulator) + return -ENOMEM; + + da9052 = dev_get_drvdata(pdev->dev.parent); + pdata = da9052->dev->platform_data; + + regulator->info = find_regulator_info(pdev->id); + if (regulator->info == NULL) { + dev_err(&pdev->dev, "invalid regulator ID specified\n"); + ret = -EINVAL; + goto err; + } + + regulator->rdev = regulator_register(&regulator->info->reg_desc, + &pdev->dev, + pdata->regulators[pdev->id], + regulator); + if (IS_ERR(regulator->rdev)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + regulator->info->reg_desc.name); + ret = PTR_ERR(regulator->rdev); + goto err; + } + + platform_set_drvdata(pdev, regulator); + + return 0; +err: + kfree(regulator); + return ret; +} + +static int __devexit da9052_regulator_remove(struct platform_device *pdev) +{ + struct da9052_regulator *regulator = platform_get_drvdata(pdev); + + regulator_unregister(regulator->rdev); + kfree(regulator); + + return 0; +} + +static struct platform_driver da9052_regulator_driver = { + .probe = da9052_regulator_probe, + .remove = __devexit_p(da9052_regulator_remove), + .driver = { + .name = "da9052-regulator", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_regulator_init(void) +{ + return platform_driver_register(&da9052_regulator_driver); +} +subsys_initcall(da9052_regulator_init); + +static void __exit da9052_regulator_exit(void) +{ + platform_driver_unregister(&da9052_regulator_driver); +} +module_exit(da9052_regulator_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("Power Regulator driver for Dialog DA9052 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-regulator");

12 years, 11 months

[ACTIVITY] Zach Pfeffer 2011-06-26 to 2011/07/02

by Zach Pfeffer

Corrected date range On 5 July 2011 09:41, Zach Pfeffer <zach.pfeffer(a)linaro.org> wrote: > == Zach Pfeffer pfefferz == > > === Highlights === > * Integrated TI LT 1080P fix > * Helped get the 11.06 release out the door > * Got Android/LT PoC sync-ups kicked offour individual plans for the > coming week(s). > * Got manual CI process underway > > === Plans === > * Onboard Botao Sun, Tony Mansson, Chao Yang > * Help fix 39 tip > * Help fix TI tip > * Work with each WG to land their technology this month > > === Issues === > * None >

12 years, 11 months

[PATCH 1/11] MFD: DA9052 MFD core module v1

by ashishj3

The DA9052 is a highly integrated PMIC subsystem with supply domain flexibility to support wide range of high performance application. It provides voltage regulators, GPIO controller, Touch Screen, RTC, Battery control and other functionality. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- drivers/mfd/Kconfig | 25 ++ drivers/mfd/Makefile | 7 + drivers/mfd/da9052-core.c | 496 +++++++++++++++++++++++ drivers/mfd/da9052-i2c.c | 168 ++++++++ drivers/mfd/da9052-irq.c | 218 +++++++++++ drivers/mfd/da9052-spi.c | 181 +++++++++ include/linux/mfd/da9052/da9052.h | 138 +++++++ include/linux/mfd/da9052/irq.h | 52 +++ include/linux/mfd/da9052/pdata.h | 44 ++ include/linux/mfd/da9052/reg.h | 777 +++++++++++++++++++++++++++++++++++++ 10 files changed, 2106 insertions(+), 0 deletions(-) create mode 100755 drivers/mfd/da9052-core.c create mode 100755 drivers/mfd/da9052-i2c.c create mode 100755 drivers/mfd/da9052-irq.c create mode 100755 drivers/mfd/da9052-spi.c create mode 100755 include/linux/mfd/da9052/da9052.h create mode 100755 include/linux/mfd/da9052/irq.h create mode 100755 include/linux/mfd/da9052/pdata.h create mode 100755 include/linux/mfd/da9052/reg.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 4990a49..28184e7 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -306,6 +306,31 @@ config PMIC_DA903X individual components like LCD backlight, voltage regulators, LEDs and battery-charger under the corresponding menus. +config PMIC_DA9052 + bool + +config MFD_DA9052_SPI + bool "Support Dialog Semiconductor DA9052 PMIC with SPI" + select MFD_CORE + select PMIC_DA9052 + depends on SPI_MASTER=y + help + Support for the Dialog Semiconductor DA9052 PMIC + when controlled using SPI. This driver provides common support + for accessing the device, additional drivers must be enabled in + order to use the functionality of the device. + +config MFD_DA9052_I2C + bool "Support Dialog Semiconductor DA9052 PMIC with I2C" + select MFD_CORE + select PMIC_DA9052 + depends on I2C=y + help + Support for the Dialog Semiconductor DA9052 PMIC + when controlled using I2C. This driver provides common support + for accessing the device, additional drivers must be enabled in + order to use the functionality of the device. + config PMIC_ADP5520 bool "Analog Devices ADP5520/01 MFD PMIC Core Support" depends on I2C=y diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index bdb8eab..1e7089e 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -60,6 +60,13 @@ endif obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o obj-$(CONFIG_PMIC_DA903X) += da903x.o + +da9052-objs := da9052-core.o da9052-irq.o +obj-$(CONFIG_PMIC_DA9052) += da9052.o + +obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o +obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o + max8925-objs := max8925-core.o max8925-i2c.o obj-$(CONFIG_MFD_MAX8925) += max8925.o obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c new file mode 100755 index 0000000..5cc3684 --- /dev/null +++ b/drivers/mfd/da9052-core.c @@ -0,0 +1,496 @@ +/* + * Device access for Dialog DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/mutex.h> +#include <linux/mfd/core.h> +#include <linux/slab.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/irq.h> +#include <linux/mfd/da9052/pdata.h> +#include <linux/mfd/da9052/reg.h> + +static const u8 chan_mux[DA9052_ADC_VBBAT + 1] = { + [DA9052_ADC_VDDOUT] = DA9052_ADC_MAN_MUXSEL_VDDOUT, + [DA9052_ADC_ICH] = DA9052_ADC_MAN_MUXSEL_ICH, + [DA9052_ADC_TBAT] = DA9052_ADC_MAN_MUXSEL_TBAT, + [DA9052_ADC_VBAT] = DA9052_ADC_MAN_MUXSEL_VBAT, + [DA9052_ADC_IN4] = DA9052_ADC_MAN_MUXSEL_AD4, + [DA9052_ADC_IN5] = DA9052_ADC_MAN_MUXSEL_AD5, + [DA9052_ADC_IN6] = DA9052_ADC_MAN_MUXSEL_AD6, + [DA9052_ADC_VBBAT] = DA9052_ADC_MAN_MUXSEL_VBBAT +}; + +int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel) +{ + unsigned long timeout; + unsigned short calc_data; + unsigned short data = 0; + int ret; + unsigned char mux_sel = 0; + + if (channel > DA9052_ADC_VBBAT) + return -EINVAL; + + /* Channel gets activates on enabling the Conversion bit */ + mux_sel = chan_mux[channel] | DA9052_ADC_MAN_MAN_CONV; + + mutex_lock(&da9052->auxadc_lock); + + ret = da9052_reg_read(da9052, DA9052_ADC_MAN_REG); + if (ret < 0) + goto err; + + if (ret & DA9052_ADC_MAN_MAN_CONV) { + ret = -EBUSY; + goto err; + } + + ret = da9052_reg_write(da9052, DA9052_ADC_MAN_REG, mux_sel); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->auxadc_lock); + + timeout = jiffies + msecs_to_jiffies(100); + do { + ret = da9052_reg_read(da9052, DA9052_ADC_MAN_REG); + if (ret < 0) + return ret; + + if (!(ret & DA9052_ADC_MAN_MAN_CONV)) { + timeout = 0; + break; + } + + } while (time_before(jiffies, timeout)); + + if (timeout != 0) + return -EBUSY; + + ret = da9052_reg_read(da9052, DA9052_ADC_RES_H_REG); + if (ret < 0) + return ret; + + calc_data = (unsigned short)ret; + data = calc_data << 2; + + ret = da9052_reg_read(da9052, DA9052_ADC_RES_L_REG); + if (ret < 0) + return ret; + + calc_data = (unsigned short)(ret & DA9052_ADC_RES_LSB); + data |= calc_data; + + return data; + +err: + mutex_unlock(&da9052->auxadc_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_adc_manual_read); + +int da9052_adc_temperature_read(struct da9052 *da9052) +{ + int tbat; + + tbat = da9052_reg_read(hwmon->da9052, DA9052_TBAT_RES_REG); + if (tbat < 0) + return tbat; + + if (tbat == 0) { + pr_debug("TBAT R[90] = 0 is undefined. \n"); + return -EINVAL; + } + + /* ARRAY_SIZE check is not needed since TBAT is a 8-bit register*/ + return tbat_lookup[tbat - 1]; +} +EXPORT_SYMBOL_GPL(da9052_adc_temperature_read); + +int da9052_reg_read(struct da9052 *da9052, unsigned char reg) +{ + unsigned char val; + int ret; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock(&da9052->io_lock); + + if (da9052->read_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->read_dev(da9052, reg, 1, &val); + if (ret) + goto err; + + mutex_unlock(&da9052->io_lock); + + return val; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_reg_read); + +int da9052_reg_write(struct da9052 *da9052, unsigned char reg, + unsigned char val) +{ + int ret; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock(&da9052->io_lock); + + if (da9052->write_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->write_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_reg_write); + +int da9052_group_read(struct da9052 *da9052, unsigned char reg, + unsigned reg_cnt, unsigned char *val) +{ + int ret; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock(&da9052->io_lock); + + if (da9052->read_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->read_dev(da9052, reg, reg_cnt, val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_group_read); + +int da9052_group_write(struct da9052 *da9052, unsigned char reg, + unsigned reg_cnt, unsigned char *val) +{ + int ret; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock(&da9052->io_lock); + + if (da9052->write_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->write_dev(da9052, reg, reg_cnt, val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_group_write); + +int da9052_reg_update(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask, unsigned char reg_val) +{ + int ret; + unsigned char val; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock_interruptible(&da9052->io_lock); + + if (da9052->read_dev == NULL || da9052->write_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->read_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + val &= ~bit_mask; + val |= reg_val; + + ret = da9052->write_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_reg_update); + +int da9052_set_bits(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask) +{ + unsigned char val; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock_interruptible(&da9052->io_lock); + + if (da9052->read_dev == NULL || da9052->write_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->read_dev(da9052, reg, 1, &val) + if (ret < 0) + goto err; + + val |= bit_mask; + + ret = da9052->write_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_set_bits); + +int da9052_clear_bits(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask) +{ + unsigned char val; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + mutex_lock_interruptible(&da9052->io_lock); + + if (da9052->read_dev == NULL || da9052->write_dev == NULL) { + ret = -ENODEV; + goto err; + } + + ret = da9052->read_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + val &= ~bit_mask; + + ret = da9052->write_dev(da9052, reg, 1, &val); + if (ret < 0) + goto err; + + mutex_unlock(&da9052->io_lock); + + return 0; + +err: + mutex_unlock(&da9052->io_lock); + return ret; +} +EXPORT_SYMBOL_GPL(da9052_clear_bits); + +static struct resource da9052_rtc_resource = { + .name = "ALM", + .start = DA9052_IRQ_ALARM, + .end = DA9052_IRQ_ALARM, + .flags = IORESOURCE_IRQ, +}; + +static struct resource da9052_onkey_resource = { + .name = "ONKEY", + .start = DA9052_IRQ_NONKEY, + .end = DA9052_IRQ_NONKEY, + .flags = IORESOURCE_IRQ, +}; + +static struct resource da9052_power_resources[] = { + { + .name = "CHGEND", + .start = DA9052_IRQ_CHGEND, + .end = DA9052_IRQ_CHGEND, + .flags = IORESOURCE_IRQ, + }, + { + .name = "TBAT", + .start = DA9052_IRQ_TBAT, + .end = DA9052_IRQ_TBAT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource da9052_tsi_resources[] = { + { + .name = "PENDWN", + .start = DA9052_IRQ_PENDOWN, + .end = DA9052_IRQ_PENDOWN, + .flags = IORESOURCE_IRQ, + }, + { + .name = "TSIRDY", + .start = DA9052_IRQ_TSIREADY, + .end = DA9052_IRQ_TSIREADY, + .flags = IORESOURCE_IRQ, + }, +}; + +int da9052_add_regulator_devices(struct da9052 *da9052, + struct da9052_pdata *pdata) +{ + struct platform_device *pdev; + int i, ret; + + for (i = 0; i < pdata->num_regulators; i++) { + pdev = platform_device_alloc("da9052-regulator", i); + if (!pdev) + return -ENOMEM; + + pdev->dev.parent = da9052->dev; + ret = platform_device_add(pdev); + if (ret) { + platform_device_put(pdev); + return ret; + } + } + + return 0; +} + +static int da9052_add_subdevs(struct da9052 *da9052) +{ + struct da9052_pdata *pdata = da9052->dev->platform_data; + int ret; + + static struct mfd_cell __initdata da9052_subdev_info[] = { + {"da9052-onkey", .resources = &da9052_onkey_resource, + .num_resources = 1}, + {"da9052-rtc", .resources = &da9052_rtc_resource, + .num_resources = 1}, + {"da9052-gpio", .resources = NULL, .num_resources = 0}, + {"da9052-hwmon", .resources = NULL, .num_resources = 0}, + {"da9052-leds", .resources = NULL, .num_resources = 0}, + {"da9052-WLED1", .resources = NULL, .num_resources = 0}, + {"da9052-WLED2", .resources = NULL, .num_resources = 0}, + {"da9052-WLED3", .resources = NULL, .num_resources = 0}, + {"da9052-tsi", .resources = da9052_tsi_resources, + .num_resources = ARRAY_SIZE(da9052_tsi_resources)}, + {"da9052-bat", .resources = da9052_power_resources, + .num_resources = ARRAY_SIZE(da9052_power_resources)}, + {"da9052-watchdog", .resources = NULL, .num_resources = 0}, + }; + + ret = da9052_add_regulator_devices(da9052, pdata); + if (ret) + goto err; + + ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, + ARRAY_SIZE(da9052_subdev_info), NULL, 0); + if (ret) + goto err; + + return 0; + +err: + mfd_remove_devices(da9052->dev); + return ret; +} + +int da9052_device_init(struct da9052 *da9052) +{ + struct da9052_pdata *pdata = da9052->dev->platform_data; + int ret; + + mutex_init(&da9052->io_lock); + mutex_init(&da9052->auxadc_lock); + pdata->init(da9052); + + ret = da9052_add_subdevs(da9052); + if (ret != 0) + return ret; + + ret = da9052_irq_init(da9052, pdata); + if (ret != 0) + return ret; + + return 0; +} + +void da9052_device_exit(struct da9052 *da9052) +{ + mfd_remove_devices(da9052->dev); + da9052_irq_exit(da9052); +} + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("DA9052 MFD Core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c new file mode 100755 index 0000000..2274f15 --- /dev/null +++ b/drivers/mfd/da9052-i2c.c @@ -0,0 +1,168 @@ +/* + * I2C access for Da9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/device.h> +#include <linux/mfd/core.h> +#include <linux/i2c.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +int da9052_i2c_write_device(struct da9052 *da9052, unsigned char reg, + unsigned count, unsigned char *val) +{ + unsigned char msg[count+1]; + int ret; + + msg[0] = reg; + memcpy(&msg[1], val, count); + + ret = i2c_master_send(da9052->i2c_client, msg, count + 1); + if (ret < 0) + return ret; + if (ret != count + 1) + return -EIO; + + return 0; +} + +int da9052_i2c_read_device(struct da9052 *da9052, unsigned char reg, + unsigned count, unsigned char *val) +{ + int ret; + + ret = i2c_master_send(da9052->i2c_client, &reg, 1); + if (ret < 0) + return ret; + + ret = i2c_master_recv(da9052->i2c_client, val, count); + if (ret < 0) + return ret; + if (ret != count) + return -EIO; + + return 0; +} + +static int da9052_i2c_enable_multiwrite(struct da9052 *da9052) +{ + u8 reg_val; + int ret; + + ret = da9052_i2c_read_device(da9052, DA9052_CONTROL_B_REG, 1, &reg_val); + if (ret < 0) + return ret; + + if (reg_val & DA9052_CONTROL_B_WRITEMODE) { + reg_val = ~DA9052_CONTROL_B_WRITEMODE; + ret = da9052_i2c_write_device(da9052, DA9052_CONTROL_B_REG, 1, + &reg_val); + if (ret < 0) + return ret; + } + + return 0; +} + +static int __devinit da9052_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_adapter *adapter; + struct da9052 *da9052_i2c; + int ret; + + da9052_i2c = kzalloc(sizeof(struct da9052), GFP_KERNEL); + if (!da9052_i2c) + return -ENOMEM; + + adapter = to_i2c_adapter(client->dev.parent); + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + dev_info(&client->dev, "Error in %s:i2c_check_functionality\n", + __func__); + return -ENODEV; + } + + da9052_i2c->i2c_client = client; + da9052_i2c->dev = &client->dev; + + i2c_set_clientdata(client, da9052_i2c); + + da9052_i2c->write_dev = da9052_i2c_write_device; + da9052_i2c->read_dev = da9052_i2c_read_device; + + ret = da9052_i2c_enable_multiwrite(da9052_i2c); + if (ret < 0) + goto err; + + ret = da9052_device_init(da9052_i2c) + if (ret != 0) + goto err; + + return 0; + +err: + kfree(da9052_i2c); + return ret; +} + +static int da9052_i2c_remove(struct i2c_client *client) +{ + struct da9052 *da9052 = i2c_get_clientdata(client); + + da9052_device_exit(da9052); + kfree(da9052); + + return 0; +} + +static struct i2c_device_id da9052_i2c_id[] = { + {"da9052", 0}, + { } +}; + +static struct i2c_driver da9052_i2c_driver = { + .probe = da9052_i2c_probe, + .remove = da9052_i2c_remove, + .id_table = da9052_i2c_id, + .driver = { + .name = "da9052", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_i2c_init(void) +{ + int ret; + + ret = i2c_add_driver(&da9052_i2c_driver); + if (ret != 0) { + pr_err("DA9052 I2C registration failed %d\n", ret); + return ret; + } + + return 0; +} +subsys_initcall(da9052_i2c_init); + +static void __exit da9052_i2c_exit(void) +{ + i2c_del_driver(&da9052_i2c_driver); +} +module_exit(da9052_i2c_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("I2C driver for Dialog DA9052 PMIC"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/da9052-irq.c b/drivers/mfd/da9052-irq.c new file mode 100755 index 0000000..714243c --- /dev/null +++ b/drivers/mfd/da9052-irq.c @@ -0,0 +1,218 @@ +/* + * Interrupt controller support for Dilaog DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/irq.h> +#include <linux/delay.h> +#include <linux/mfd/core.h> +#include <linux/interrupt.h> + +#include <linux/mfd/da9052/irq.h> +#include <linux/mfd/da9052/reg.h> +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/pdata.h> + +#define DA9052_FIXME() {udelay(50);} + +struct da9052_irq_data { + int mask; + int offset; +}; + +static struct da9052_irq_data da9052_irqs[] = { + [DA9052_IRQ_DCIN] = {0x01, 0}, + [DA9052_IRQ_VBUS] = {0x02, 0}, + [DA9052_IRQ_DCINREM] = {0x04, 0}, + [DA9052_IRQ_VBUSREM] = {0x08, 0}, + [DA9052_IRQ_VDDLOW] = {0x10, 0}, + [DA9052_IRQ_ALARM] = {0x20, 0}, + [DA9052_IRQ_SEQRDY] = {0x40, 0}, + [DA9052_IRQ_COMP1V2] = {0x80, 0}, + [DA9052_IRQ_NONKEY] = {0x01, 1}, + [DA9052_IRQ_IDFLOAT] = {0x02, 1}, + [DA9052_IRQ_IDGND] = {0x04, 1}, + [DA9052_IRQ_CHGEND] = {0x08, 1}, + [DA9052_IRQ_TBAT] = {0x10, 1}, + [DA9052_IRQ_ADCEOM] = {0x20, 1}, + [DA9052_IRQ_PENDOWN] = {0x40, 1}, + [DA9052_IRQ_TSIREADY] = {0x80, 1}, + [DA9052_IRQ_GPI0] = {0x01, 2}, + [DA9052_IRQ_GPI1] = {0x02, 2}, + [DA9052_IRQ_GPI2] = {0x04, 2}, + [DA9052_IRQ_GPI3] = {0x08, 2}, + [DA9052_IRQ_GPI4] = {0x10, 2}, + [DA9052_IRQ_GPI5] = {0x20, 2}, + [DA9052_IRQ_GPI6] = {0x40, 2}, + [DA9052_IRQ_GPI7] = {0x80, 2}, + [DA9052_IRQ_GPI8] = {0x01, 3}, + [DA9052_IRQ_GPI9] = {0x02, 3}, + [DA9052_IRQ_GPI10] = {0x04, 3}, + [DA9052_IRQ_GPI11] = {0x08, 3}, + [DA9052_IRQ_GPI12] = {0x10, 3}, + [DA9052_IRQ_GPI13] = {0x20, 3}, + [DA9052_IRQ_GPI14] = {0x40, 3}, + [DA9052_IRQ_GPI15] = {0x80, 3}, +}; + +int da9052_commit_mask(struct da9052 *da9052, int offset) +{ + uint8_t v; + + v = (da9052->events_mask >> (offset * 8)) & 0xff; + + return da9052_reg_write(da9052, DA9052_IRQ_MASK_A_REG + offset, v); +} + +static inline struct da9052_irq_data *irq_to_da9052_irq(struct da9052 *da9052, + int irq) +{ + return &da9052_irqs[irq - da9052->irq_base]; +} + +static void da9052_irq_lock(struct irq_data *data) +{ + struct da9052 *da9052 = irq_data_get_irq_chip_data(data); + + mutex_lock(&da9052->irq_lock); +} + +static void da9052_irq_sync_unlock(struct irq_data *data) +{ + struct da9052 *da9052 = irq_data_get_irq_chip_data(data); + struct da9052_irq_data *irq_data = irq_to_da9052_irq(da9052, data->irq); + + da9052_commit_mask(da9052, irq_data->offset); + mutex_unlock(&da9052->irq_lock); +} + +static void da9052_irq_unmask(struct irq_data *data) +{ + struct da9052 *da9052 = irq_data_get_irq_chip_data(data); + struct da9052_irq_data *irq_data = irq_to_da9052_irq(da9052, data->irq); + + da9052->events_mask &= ~irq_data->mask; +} + +static void da9052_irq_mask(struct irq_data *data) +{ + struct da9052 *da9052 = irq_data_get_irq_chip_data(data); + struct da9052_irq_data *irq_data = irq_to_da9052_irq(da9052, data->irq); + + da9052->events_mask |= irq_data->mask; +} + +int da9052_read_events(struct da9052 *da9052, unsigned char reg , + unsigned int *events) +{ + uint8_t v[4] = {0, 0, 0, 0}; + int ret; + + ret = da9052_group_read(da9052, reg, 4, v); + if (ret < 0) + return ret; + + *events = (v[3] << 24) | (v[2] << 16) | (v[1] << 8) | v[0]; + + return 0; +} + +static irqreturn_t da9052_irq_thread(int irq, void *data) +{ + struct da9052 *da9052 = data; + uint8_t v[4] = {0xFF, 0xFF, 0xFF, 0xFF}; + unsigned int i; + unsigned int events; + + if (da9052_read_events(da9052, DA9052_EVENT_A_REG, &events)) + goto err; + + events &= ~da9052->events_mask; + if (events == 0) + goto err; + + for (i = 0; i < ARRAY_SIZE(da9052_irqs); i++) { + if (events & (1 << i)) + handle_nested_irq(da9052->irq_base + i); + } + + da9052_group_write(da9052, DA9052_EVENT_A_REG, 4, v); + + DA9052_FIXME(); +err: + return IRQ_HANDLED; +} + +static struct irq_chip da9052_irq_chip = { + .name = "da9052", + .irq_bus_lock = da9052_irq_lock, + .irq_bus_sync_unlock = da9052_irq_sync_unlock, + .irq_mask = da9052_irq_mask, + .irq_unmask = da9052_irq_unmask, +}; + +int da9052_irq_init(struct da9052 *da9052, struct da9052_pdata *pdata) +{ + int cur_irq; + int ret; + int events; + + da9052->chip_irq = pdata->irq; + da9052->irq_base = pdata->irq_base; + + if (!da9052->chip_irq) { + dev_err(da9052->dev, "No IRQ configured\n"); + return -EINVAL; + } + + mutex_init(&da9052->irq_lock); + + da9052_read_events(da9052, DA9052_IRQ_MASK_A_REG, &events); + da9052->events_mask = events; + + /* Register them with genirq */ + for (cur_irq = da9052->irq_base; + cur_irq < ARRAY_SIZE(da9052_irqs) + da9052->irq_base; + cur_irq++) { + irq_set_chip_data(cur_irq, da9052); + irq_set_chip_and_handler(cur_irq, &da9052_irq_chip, + handle_simple_irq); + irq_set_nested_thread(cur_irq, 1); + + /* ARM needs us to explicitly flag the IRQ as valid + * and will set them noprobe when we do so. */ +#ifdef CONFIG_ARM + set_irq_flags(cur_irq, IRQF_VALID); +#else + set_irq_noprobe(cur_irq); +#endif + } + + ret = request_threaded_irq(da9052->chip_irq, NULL, da9052_irq_thread, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "da9052", da9052); + if (ret != 0) { + dev_err(da9052->dev, "Failed to request IRQ %d: %d\n", + da9052->chip_irq, ret); + return ret; + } + + return 0; +} + +void da9052_irq_exit(struct da9052 *da9052) +{ + if (da9052->chip_irq) + free_irq(da9052->chip_irq, da9052); +} diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c new file mode 100755 index 0000000..7de31b9 --- /dev/null +++ b/drivers/mfd/da9052-spi.c @@ -0,0 +1,181 @@ +/* + * SPI access for Dialog DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + + +#include <linux/device.h> +#include <linux/mfd/core.h> +#include <linux/spi/spi.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +int da9052_spi_write_device(struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val) +{ + struct spi_message message; + struct spi_transfer xfer; + int raddr; + + for (raddr = reg ; raddr < reg + bytes; raddr++) { + raddr = (raddr << 1); + + spi_message_init(&message); + memset(&xfer, 0, sizeof(xfer)); + + xfer.len = 2; + xfer.tx_buf = da9052->spi_tx_buf; + xfer.rx_buf = da9052->spi_rx_buf; + + da9052->spi_tx_buf[0] = raddr; + da9052->spi_tx_buf[1] = *val++; + + spi_message_add_tail(&xfer, &message); + + spi_sync(da9052->spi_dev, &message); + } + + return 0; +} + +int da9052_spi_read_device(struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val) +{ + struct spi_message message; + struct spi_transfer xfer; + int ret, raddr; + + for (raddr = reg ; raddr < reg + bytes; raddr++) { + reg = ((raddr << 1) | da9052->rw_pol); + + spi_message_init(&message); + memset(&xfer, 0, sizeof(xfer)); + + xfer.len = 2; + xfer.tx_buf = da9052->spi_tx_buf; + xfer.rx_buf = da9052->spi_rx_buf; + + da9052->spi_tx_buf[0] = raddr; + da9052->spi_tx_buf[1] = 0xff; + + da9052->spi_rx_buf[0] = 0; + da9052->spi_rx_buf[1] = 0; + + spi_message_add_tail(&xfer, &message); + + ret = spi_sync(da9052->spi_dev, &message); + + if (ret == 0) { + *val = da9052->spi_rx_buf[1]; + val++; + return 0; + } + } + + return ret; +} + +static int da9052_spi_probe(struct spi_device *spi) +{ + int ret; + struct da9052 *da9052_spi = kzalloc(sizeof(struct da9052), GFP_KERNEL); + + if (!da9052_spi) + return -ENOMEM; + + spi->mode = SPI_MODE_0 | SPI_CPOL; + spi->bits_per_word = 8; + spi_setup(spi); + + da9052_spi->dev = &spi->dev; + da9052_spi->spi_dev = spi; + + da9052_spi->spi_rx_buf = kmalloc(2, GFP_KERNEL | GFP_DMA); + if (!da9052_spi->spi_rx_buf) { + ret = -ENOMEM; + goto err_mem; + } + + da9052_spi->spi_tx_buf = kmalloc(2, GFP_KERNEL | GFP_DMA); + if (!da9052_spi->spi_tx_buf) { + ret = -ENOMEM; + goto err_spi_rx_buf; + } + + da9052_spi->rw_pol = 1; + dev_set_drvdata(&spi->dev, da9052_spi); + + da9052_spi->write_dev = da9052_spi_write_device; + da9052_spi->read_dev = da9052_spi_read_device; + + ret = da9052_device_init(da9052_i2c) + if (ret != 0) + goto err_spi_tx_buf; + + return 0; + +err_spi_tx_buf: + kfree(da9052_spi->spi_tx_buf); +err_spi_rx_buf: + kfree(da9052_spi->spi_rx_buf); +err_mem: + kfree(da9052_spi); + return ret; +} + +static int da9052_spi_remove(struct spi_device *spi) +{ + struct da9052 *da9052 = dev_get_drvdata(&spi->dev); + + da9052_device_exit(da9052); + kfree(da9052->spi_rx_buf); + kfree(da9052->spi_tx_buf); + kfree(da9052); + + return 0; +} + +static struct spi_driver da9052_spi_driver = { + .probe = da9052_spi_probe, + .remove = __devexit_p(da9052_spi_remove), + . driver = { + .name = "da9052_spi", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_spi_init(void) +{ + int ret; + + ret = spi_register_driver(&da9052_spi_driver); + if (ret != 0) { + pr_err("Failed to register DA9052 SPI driver, %d\n", ret); + return ret; + } + + return 0; +} +module_init(da9052_spi_init); + +static void __exit da9052_spi_exit(void) +{ + spi_unregister_driver(&da9052_spi_driver); +} +module_exit(da9052_spi_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("SPI driver for Dialog DA9052 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052_spi"); diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h new file mode 100755 index 0000000..c005a28 --- /dev/null +++ b/include/linux/mfd/da9052/da9052.h @@ -0,0 +1,138 @@ +/* + * da9052 declarations for DA952 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __MFD_DA9052_DA9052_H +#define __MFD_DA9052_DA9052_H + +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/mfd/core.h> + +/* HWMON Channel Definations */ +#define DA9052_ADC_VDDOUT 0 +#define DA9052_ADC_ICH 1 +#define DA9052_ADC_TBAT 2 +#define DA9052_ADC_VBAT 3 +#define DA9052_ADC_IN4 4 +#define DA9052_ADC_IN5 5 +#define DA9052_ADC_IN6 6 +#define DA9052_ADC_TSI 7 +#define DA9052_ADC_TJUNC 8 +#define DA9052_ADC_VBBAT 9 + +/* + * TBAT look-up table is computed from the R90 reg (8 bit register) + * reading as below. The temperature is in milliCentigrade + * TBAT = (1/(t1+1/298) - 273) * 1000 mC + * where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255)) + * Default values are R25 = 10e3, B = 3380, ITBAT = 50e-6 + * Example: + * R25=10E3, B=3380, ITBAT=50e-6, ADCVAL=62d calculates + * TBAT = 20015 milidegree Centrigrade +*/ +static const int32_t tbat_lookup[255] = { + 183258, 144221, 124334, 111336, 101826, 94397, 88343, 83257, + 78889, 75071, 71688, 68656, 65914, 63414, 61120, 59001, + 570366, 55204, 53490, 51881, 50364, 48931, 47574, 46285, + 45059, 43889, 42772, 41703, 40678, 39694, 38748, 37838, + 36961, 36115, 35297, 34507, 33743, 33002, 32284, 31588, + 30911, 30254, 29615, 28994, 28389, 27799, 27225, 26664, + 26117, 25584, 25062, 24553, 24054, 23567, 23091, 22624, + 22167, 21719, 21281, 20851, 20429, 20015, 19610, 19211, + 18820, 18436, 18058, 17688, 17323, 16965, 16612, 16266, + 15925, 15589, 15259, 14933, 14613, 14298, 13987, 13681, + 13379, 13082, 12788, 12499, 12214, 11933, 11655, 11382, + 11112, 10845, 10582, 10322, 10066, 9812, 9562, 9315, + 9071, 8830, 8591, 8356, 8123, 7893, 7665, 7440, + 7218, 6998, 6780, 6565, 6352, 6141, 5933, 5726, + 5522, 5320, 5120, 4922, 4726, 4532, 4340, 4149, + 3961, 3774, 3589, 3406, 3225, 3045, 2867, 2690, + 2516, 2342, 2170, 2000, 1831, 1664, 1498, 1334, + 1171, 1009, 849, 690, 532, 376, 221, 67, + -84, -236, -386, -535, -683, -830, -975, -1119, + -1263, -1405, -1546, -1686, -1825, -1964, -2101, -2237, + -2372, -2506, -2639, -2771, -2902, -3033, -3162, -3291, + -3418, -3545, -3671, -3796, -3920, -4044, -4166, -4288, + -4409, -4529, -4649, -4767, -4885, -5002, -5119, -5235, + -5349, -5464, -5577, -5690, -5802, -5913, -6024, -6134, + -6244, -6352, -6461, -6568, -6675, -6781, -6887, -6992, + -7096, -7200, -7303, -7406, -7508, -7609, -7710, -7810, + -7910, -8009, -8108, -8206, -8304, -8401, -8497, -8593, + -8689, -8784, -8878, -8972, -9066, -9159, -9251, -9343, + -9435, -9526, -9617, -9707, -9796, -9886, -9975, -10063, + -10151, -10238, -10325, -10412, -10839, -10923, -11007, -11090, + -11173, -11256, -11338, -11420, -11501, -11583, -11663, -11744, + -11823, -11903, -11982 +}; + +struct da9052_pdata; + +struct da9052 { + struct mutex io_lock; + struct mutex irq_lock; + struct mutex auxadc_lock; + + struct device *dev; + struct spi_device *spi_dev; + struct i2c_client *i2c_client; + + int irq_base; + u8 rw_pol; + u8 *spi_rx_buf; + u8 *spi_tx_buf; + u32 events_mask; + + int chip_irq; + int (*read_dev) (struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val); + int (*write_dev) (struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val); +}; + +/* ADC API */ +int da9052_adc_manual_read(struct da9052 *da9052, + unsigned char channel); +int da9052_adc_temperature_read(struct da9052 *da9052); + +/* Device I/O API */ +int da9052_reg_read(struct da9052 *da9052, unsigned char reg); +int da9052_reg_write(struct da9052 *da9052, unsigned char reg, + unsigned char val); +int da9052_group_read(struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val); +int da9052_group_write(struct da9052 *da9052, unsigned char reg, + unsigned bytes, unsigned char *val); +int da9052_reg_update(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask, unsigned char reg_val); +int da9052_set_bits(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask); +int da9052_clear_bits(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask); + +int da9052_device_init(struct da9052 *da9052); +void da9052_device_exit(struct da9052 *da9052); + +int da9052_irq_init(struct da9052 *da9052, struct da9052_pdata *pdata); +void da9052_irq_exit(struct da9052 *da9052); + +#endif /* __MFD_DA9052_DA9052_H */ diff --git a/include/linux/mfd/da9052/irq.h b/include/linux/mfd/da9052/irq.h new file mode 100755 index 0000000..9eff409 --- /dev/null +++ b/include/linux/mfd/da9052/irq.h @@ -0,0 +1,52 @@ +/* + * Interrupt controller declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __MFD_DA9052_IRQ_H__ +#define __MFD_DA9052_IRQ_H__ + +/* Interrupt number assignments within Linux */ +#define DA9052_IRQ_DCIN 0 +#define DA9052_IRQ_VBUS 1 +#define DA9052_IRQ_DCINREM 2 +#define DA9052_IRQ_VBUSREM 3 +#define DA9052_IRQ_VDDLOW 4 +#define DA9052_IRQ_ALARM 5 +#define DA9052_IRQ_SEQRDY 6 +#define DA9052_IRQ_COMP1V2 7 +#define DA9052_IRQ_NONKEY 8 +#define DA9052_IRQ_IDFLOAT 9 +#define DA9052_IRQ_IDGND 10 +#define DA9052_IRQ_CHGEND 11 +#define DA9052_IRQ_TBAT 12 +#define DA9052_IRQ_ADCEOM 13 +#define DA9052_IRQ_PENDOWN 14 +#define DA9052_IRQ_TSIREADY 15 +#define DA9052_IRQ_GPI0 16 +#define DA9052_IRQ_GPI1 17 +#define DA9052_IRQ_GPI2 18 +#define DA9052_IRQ_GPI3 19 +#define DA9052_IRQ_GPI4 20 +#define DA9052_IRQ_GPI5 21 +#define DA9052_IRQ_GPI6 22 +#define DA9052_IRQ_GPI7 23 +#define DA9052_IRQ_GPI8 24 +#define DA9052_IRQ_GPI9 25 +#define DA9052_IRQ_GPI10 26 +#define DA9052_IRQ_GPI11 27 +#define DA9052_IRQ_GPI12 28 +#define DA9052_IRQ_GPI13 29 +#define DA9052_IRQ_GPI14 30 +#define DA9052_IRQ_GPI15 31 + +#endif diff --git a/include/linux/mfd/da9052/pdata.h b/include/linux/mfd/da9052/pdata.h new file mode 100755 index 0000000..e42e21a --- /dev/null +++ b/include/linux/mfd/da9052/pdata.h @@ -0,0 +1,44 @@ +/* + * Platform data declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __MFD_DA9052_PDATA_H__ +#define __MFD_DA9052_PDATA_H__ + +#define DA9052_MAX_REGULATORS 15 + +struct da9052; + +struct da9052_pdata { + struct led_platform_data *pled; + struct da9052_wdt_platform_data *pwdt; + struct da9052_tsi_platform_data *ptsi; + int (*init) (struct da9052 *da9052); + int irq; + int irq_base; + int num_regulators; + int gpio_base; + u16 num_gpio; + struct regulator_init_data *regulators[DA9052_MAX_REGULATORS]; +}; + +#endif diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h new file mode 100755 index 0000000..99ce79b --- /dev/null +++ b/include/linux/mfd/da9052/reg.h @@ -0,0 +1,777 @@ +/* + * Register declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_REG_H +#define __LINUX_MFD_DA9052_REG_H + +#define DA9052_MAX_REG_CNT 128 + +/*STATUS REGISTERS*/ +#define DA9052_STATUS_A_REG 1 +#define DA9052_STATUS_B_REG 2 +#define DA9052_STATUS_C_REG 3 +#define DA9052_STATUS_D_REG 4 + +/*EVENT REGISTERS*/ +#define DA9052_EVENT_A_REG 5 +#define DA9052_EVENT_B_REG 6 +#define DA9052_EVENT_C_REG 7 +#define DA9052_EVENT_D_REG 8 +#define DA9052_FAULTLOG_REG 9 + +/*IRQ REGISTERS*/ +#define DA9052_IRQ_MASK_A_REG 10 +#define DA9052_IRQ_MASK_B_REG 11 +#define DA9052_IRQ_MASK_C_REG 12 +#define DA9052_IRQ_MASK_D_REG 13 + +/*CONTROL REGISTERS*/ +#define DA9052_CONTROL_A_REG 14 +#define DA9052_CONTROL_B_REG 15 +#define DA9052_CONTROL_C_REG 16 +#define DA9052_CONTROL_D_REG 17 + +#define DA9052_PDDIS_REG 18 +#define DA9052_INTERFACE_REG 19 +#define DA9052_RESET_REG 20 + +/*GPIO REGISTERS*/ +#define DA9052_GPIO_0_1_REG 21 +#define DA9052_GPIO_2_3_REG 22 +#define DA9052_GPIO_14_15_REG 28 + +/*LDO AND BUCK REGISTERS*/ +#define DA9052_BUCKA_REG 44 +#define DA9052_BUCKB_REG 45 +#define DA9052_BUCKCORE_REG 46 +#define DA9052_BUCKPRO_REG 47 +#define DA9052_BUCKMEM_REG 48 +#define DA9052_BUCKPERI_REG 49 +#define DA9052_LDO1_REG 50 +#define DA9052_LDO2_REG 51 +#define DA9052_LDO3_REG 52 +#define DA9052_LDO4_REG 53 +#define DA9052_LDO5_REG 54 +#define DA9052_LDO6_REG 55 +#define DA9052_LDO7_REG 56 +#define DA9052_LDO8_REG 57 +#define DA9052_LDO9_REG 58 +#define DA9052_LDO10_REG 59 +#define DA9052_SUPPLY_REG 60 +#define DA9052_PULLDOWN_REG 61 +#define DA9052_CHGBUCK_REG 62 +#define DA9052_WAITCONT_REG 63 +#define DA9052_ISET_REG 64 +#define DA9052_BATCHG_REG 65 + +/*BATTERY CONTROL REGISTRS*/ +#define DA9052_CHG_CONT_REG 66 +#define DA9052_INPUT_CONT_REG 67 +#define DA9052_CHG_TIME_REG 68 +#define DA9052_BBAT_CONT_REG 69 + +/*LED CONTROL REGISTERS*/ +#define DA9052_BOOST_REG 70 +#define DA9052_LED_CONT_REG 71 +#define DA9052_LEDMIN123_REG 72 +#define DA9052_LED1_CONF_REG 73 +#define DA9052_LED2_CONF_REG 74 +#define DA9052_LED3_CONF_REG 75 +#define DA9052_LED1CONT_REG 76 +#define DA9052_LED2CONT_REG 77 +#define DA9052_LED3CONT_REG 78 +#define DA9052_LED_CONT_4_REG 79 +#define DA9052_LED_CONT_5_REG 80 + +/*ADC CONTROL REGISTERS*/ +#define DA9052_ADC_MAN_REG 81 +#define DA9052_ADC_CONT_REG 82 +#define DA9052_ADC_RES_L_REG 83 +#define DA9052_ADC_RES_H_REG 84 +#define DA9052_VDD_RES_REG 85 +#define DA9052_VDD_MON_REG 86 + +/*SM CONTROL REGISTERS*/ +#define DA9052_ICHG_AV_REG 87 +#define DA9052_ICHG_THD_REG 88 +#define DA9052_ICHG_END_REG 89 +#define DA9052_TBAT_RES_REG 90 +#define DA9052_TBAT_HIGHP_REG 91 +#define DA9052_TBAT_HIGHIN_REG 92 +#define DA9052_TBAT_LOW_REG 93 +#define DA9052_T_OFFSET_REG 94 + +/*TSI CONTROL REGISTERS*/ +#define DA9052_TJUNC_RES_REG 104 +#define DA9052_TSI_CONT_A_REG 105 +#define DA9052_TSI_CONT_B_REG 106 +#define DA9052_TSI_X_MSB_REG 107 +#define DA9052_TSI_Y_MSB_REG 108 +#define DA9052_TSI_LSB_REG 109 +#define DA9052_TSI_Z_MSB_REG 110 + +/*RTC COUNT REGISTERS*/ +#define DA9052_COUNT_S_REG 111 +#define DA9052_COUNT_MI_REG 112 +#define DA9052_COUNT_H_REG 113 +#define DA9052_COUNT_D_REG 114 +#define DA9052_COUNT_MO_REG 115 +#define DA9052_COUNT_Y_REG 116 + +/*RTC CONTROL REGISTERS*/ +#define DA9052_ALARM_MI_REG 117 +#define DA9052_ALARM_H_REG 118 +#define DA9052_ALARM_D_REG 119 +#define DA9052_ALARM_MO_REG 120 +#define DA9052_ALARM_Y_REG 121 + +/* Reg Page Configuration */ +#define DA9052_PAGECON0_REGPAGE 0x80 + +/* Onkey Event Registers */ +#define DA9052_M_nONKEY 0x0100 +#define DA9052_E_nONKEY 0x01 + +/* TSI Event Registers */ +#define DA9052_E_PEN_DOWN 0x4000 +#define DA9052_E_TSI_READY 0x8000 + +/* PAGE CONFIGURATION 128 REGISTER */ +#define DA9052_PAGECON128_REGPAGE 0x80 + +/* STATUS REGISTER A */ +#define DA9052_STATUSA_VDATDET 0x80 +#define DA9052_STATUSA_VBUSSEL 0x40 +#define DA9052_STATUSA_DCINSEL 0x20 +#define DA9052_STATUSA_VBUSDET 0x10 +#define DA9052_STATUSA_DCINDET 0x08 +#define DA9052_STATUSA_IDGND 0x04 +#define DA9052_STATUSA_IDFLOAT 0x02 +#define DA9052_STATUSA_NONKEY 0x01 + +/* STATUS REGISTER B */ +#define DA9052_STATUSB_COMPDET 0x80 +#define DA9052_STATUSB_SEQUENCING 0x40 +#define DA9052_STATUSB_GPFB2 0x20 +#define DA9052_STATUSB_CHGTO 0x10 +#define DA9052_STATUSB_CHGEND 0x08 +#define DA9052_STATUSB_CHGLIM 0x04 +#define DA9052_STATUSB_CHGPRE 0x02 +#define DA9052_STATUSB_CHGATT 0x01 + +/* STATUS REGISTER C */ +#define DA9052_STATUSC_GPI7 0x80 +#define DA9052_STATUSC_GPI6 0x40 +#define DA9052_STATUSC_GPI5 0x20 +#define DA9052_STATUSC_GPI4 0x10 +#define DA9052_STATUSC_GPI3 0x08 +#define DA9052_STATUSC_GPI2 0x04 +#define DA9052_STATUSC_GPI1 0x02 +#define DA9052_STATUSC_GPI0 0x01 + +/* STATUS REGISTER D */ +#define DA9052_STATUSD_GPI15 0x80 +#define DA9052_STATUSD_GPI14 0x40 +#define DA9052_STATUSD_GPI13 0x20 +#define DA9052_STATUSD_GPI12 0x10 +#define DA9052_STATUSD_GPI11 0x08 +#define DA9052_STATUSD_GPI10 0x04 +#define DA9052_STATUSD_GPI9 0x02 +#define DA9052_STATUSD_GPI8 0x01 + +/* EVENT REGISTER A */ +#define DA9052_EVENTA_ECOMP1V2 0x80 +#define DA9052_EVENTA_ESEQRDY 0x40 +#define DA9052_EVENTA_EALRAM 0x20 +#define DA9052_EVENTA_EVDDLOW 0x10 +#define DA9052_EVENTA_EVBUSREM 0x08 +#define DA9052_EVENTA_EDCINREM 0x04 +#define DA9052_EVENTA_EVBUSDET 0x02 +#define DA9052_EVENTA_EDCINDET 0x01 + +/* EVENT REGISTER B */ +#define DA9052_EVENTB_ETSIREADY 0x80 +#define DA9052_EVENTB_EPENDOWN 0x40 +#define DA9052_EVENTB_EADCEOM 0x20 +#define DA9052_EVENTB_ETBAT 0x10 +#define DA9052_EVENTB_ECHGEND 0x08 +#define DA9052_EVENTB_EIDGND 0x04 +#define DA9052_EVENTB_EIDFLOAT 0x02 +#define DA9052_EVENTB_ENONKEY 0x01 + +/* EVENT REGISTER C */ +#define DA9052_EVENTC_EGPI7 0x80 +#define DA9052_EVENTC_EGPI6 0x40 +#define DA9052_EVENTC_EGPI5 0x20 +#define DA9052_EVENTC_EGPI4 0x10 +#define DA9052_EVENTC_EGPI3 0x08 +#define DA9052_EVENTC_EGPI2 0x04 +#define DA9052_EVENTC_EGPI1 0x02 +#define DA9052_EVENTC_EGPI0 0x01 + +/* EVENT REGISTER D */ +#define DA9052_EVENTD_EGPI15 0x80 +#define DA9052_EVENTD_EGPI14 0x40 +#define DA9052_EVENTD_EGPI13 0x20 +#define DA9052_EVENTD_EGPI12 0x10 +#define DA9052_EVENTD_EGPI11 0x08 +#define DA9052_EVENTD_EGPI10 0x04 +#define DA9052_EVENTD_EGPI9 0x02 +#define DA9052_EVENTD_EGPI8 0x01 + +/* FAULT LOG REGISTER */ +#define DA9052_FAULTLOG_WAITSET 0x80 +#define DA9052_FAULTLOG_NSDSET 0x40 +#define DA9052_FAULTLOG_KEYSHUT 0x20 +#define DA9052_FAULTLOG_TEMPOVER 0x08 +#define DA9052_FAULTLOG_VDDSTART 0x04 +#define DA9052_FAULTLOG_VDDFAULT 0x02 +#define DA9052_FAULTLOG_TWDERROR 0x01 + +/* CONTROL REGISTER A */ +#define DA9052_CONTROLA_GPIV 0x80 +#define DA9052_CONTROLA_PMOTYPE 0x20 +#define DA9052_CONTROLA_PMOV 0x10 +#define DA9052_CONTROLA_PMIV 0x08 +#define DA9052_CONTROLA_PMIFV 0x08 +#define DA9052_CONTROLA_PWR1EN 0x04 +#define DA9052_CONTROLA_PWREN 0x02 +#define DA9052_CONTROLA_SYSEN 0x01 + +/* CONTROL REGISTER B */ +#define DA9052_CONTROLB_SHUTDOWN 0x80 +#define DA9052_CONTROLB_DEEPSLEEP 0x40 +#define DA9052_CONTROL_B_WRITEMODE 0x20 +#define DA9052_CONTROLB_BBATEN 0x10 +#define DA9052_CONTROLB_OTPREADEN 0x08 +#define DA9052_CONTROLB_AUTOBOOT 0x04 +#define DA9052_CONTROLB_ACTDIODE 0x02 +#define DA9052_CONTROLB_BUCKMERGE 0x01 + +/* CONTROL REGISTER C */ +#define DA9052_CONTROLC_BLINKDUR 0x80 +#define DA9052_CONTROLC_BLINKFRQ 0x60 +#define DA9052_CONTROLC_DEBOUNCING 0x1C +#define DA9052_CONTROLC_PMFB2PIN 0x02 +#define DA9052_CONTROLC_PMFB1PIN 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_CONTROLD_WATCHDOG 0x80 +#define DA9052_CONTROLD_ACCDETEN 0x40 +#define DA9052_CONTROLD_GPI1415SD 0x20 +#define DA9052_CONTROLD_NONKEYSD 0x10 +#define DA9052_CONTROLD_KEEPACTEN 0x08 +#define DA9052_CONTROLD_TWDSCALE 0x07 +/* POWER DOWN DISABLE REGISTER */ +#define DA9052_PDDIS_PMCONTPD 0x80 +#define DA9052_PDDIS_OUT32KPD 0x40 +#define DA9052_PDDIS_CHGBBATPD 0x20 +#define DA9052_PDDIS_CHGPD 0x10 +#define DA9052_PDDIS_HS2WIREPD 0x08 +#define DA9052_PDDIS_PMIFPD 0x04 +#define DA9052_PDDIS_GPADCPD 0x02 +#define DA9052_PDDIS_GPIOPD 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_INTERFACE_IFBASEADDR 0xE0 +#define DA9052_INTERFACE_NCSPOL 0x10 +#define DA9052_INTERFACE_RWPOL 0x08 +#define DA9052_INTERFACE_CPHA 0x04 +#define DA9052_INTERFACE_CPOL 0x02 +#define DA9052_INTERFACE_IFTYPE 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_RESET_RESETEVENT 0xC0 +#define DA9052_RESET_RESETTIMER 0x3F + +/* GPIO REGISTERS */ + +/* GPIO control register */ +#define DA9052_GPIO_EVEN_PORT_PIN 0x03 +#define DA9052_GPIO_EVEN_PORT_TYPE 0x04 +#define DA9052_GPIO_EVEN_PORT_MODE 0x08 + +#define DA9052_GPIO_ODD_PORT_PIN 0x30 +#define DA9052_GPIO_ODD_PORT_TYPE 0x40 +#define DA9052_GPIO_ODD_PORT_MODE 0x80 + +/*POWER SEQUENCER REGISTER*/ + +/* SEQ control register for ID 0 and 1 */ +#define DA9052_ID01_LDO1STEP 0xF0 +#define DA9052_ID01_SYSPRE 0x04 +#define DA9052_ID01_DEFSUPPLY 0x02 +#define DA9052_ID01_nRESMODE 0x01 + +/* SEQ control register for ID 2 and 3 */ +#define DA9052_ID23_LDO3STEP 0xF0 +#define DA9052_ID23_LDO2STEP 0x0F + +/* SEQ control register for ID 4 and 5 */ +#define DA9052_ID45_LDO5STEP 0xF0 +#define DA9052_ID45_LDO4STEP 0x0F + +/* SEQ control register for ID 6 and 7 */ +#define DA9052_ID67_LDO7STEP 0xF0 +#define DA9052_ID67_LDO6STEP 0x0F + +/* SEQ control register for ID 8 and 9 */ +#define DA9052_ID89_LDO9STEP 0xF0 +#define DA9052_ID89_LDO8STEP 0x0F + +/* SEQ control register for ID 10 and 11 */ +#define DA9052_ID1011_PDDISSTEP 0xF0 +#define DA9052_ID1011_LDO10STEP 0x0F + +/* SEQ control register for ID 12 and 13 */ +#define DA9052_ID1213_VMEMSWSTEP 0xF0 +#define DA9052_ID1213_VPERISWSTEP 0x0F + +/* SEQ control register for ID 14 and 15 */ +#define DA9052_ID1415_BUCKPROSTEP 0xF0 +#define DA9052_ID1415_BUCKCORESTEP 0x0F + +/* SEQ control register for ID 16 and 17 */ +#define DA9052_ID1617_BUCKPERISTEP 0xF0 +#define DA9052_ID1617_BUCKMEMSTEP 0x0F + +/* SEQ control register for ID 18 and 19 */ +#define DA9052_ID1819_GPRISE2STEP 0xF0 +#define DA9052_ID1819_GPRISE1STEP 0x0F + +/* SEQ control register for ID 20 and 21 */ +#define DA9052_ID2021_GPFALL2STEP 0xF0 +#define DA9052_ID2021_GPFALL1STEP 0x0F + +/* Power SEQ Status register */ +#define DA9052_SEQSTATUS_SEQPOINTER 0xF0 +#define DA9052_SEQSTATUS_WAITSTEP 0x0F + +/* Power SEQ A register */ +#define DA9052_SEQA_POWEREND 0xF0 +#define DA9052_SEQA_SYSTEMEND 0x0F + +/* Power SEQ B register */ +#define DA9052_SEQB_PARTDOWN 0xF0 +#define DA9052_SEQB_MAXCOUNT 0x0F + +/* Power SEQ TIMER register */ +#define DA9052_SEQTIMER_SEQDUMMY 0xF0 +#define DA9052_SEQTIMER_SEQTIME 0x0F + +/*POWER SUPPLY CONTROL REGISTER*/ + +/* BUCK REGISTER A */ +#define DA9052_BUCKA_BPROILIM 0xC0 +#define DA9052_BUCKA_BPROMODE 0x30 +#define DA9052_BUCKA_BCOREILIM 0x0C +#define DA9052_BUCKA_BCOREMODE 0x03 + +/* BUCK REGISTER B */ +#define DA9052_BUCKB_BERIILIM 0xC0 +#define DA9052_BUCKB_BPERIMODE 0x30 +#define DA9052_BUCKB_BMEMILIM 0x0C +#define DA9052_BUCKB_BMEMMODE 0x03 + +/* BUCKCORE REGISTER */ +#define DA9052_BUCKCORE_BCORECONF 0x80 +#define DA9052_BUCKCORE_BCOREEN 0x40 +#define DA9052_BUCKCORE_VBCORE 0x3F + +/* BUCKPRO REGISTER */ +#define DA9052_BUCKPRO_BPROCONF 0x80 +#define DA9052_BUCKPRO_BPROEN 0x40 +#define DA9052_BUCKPRO_VBPRO 0x3F + +/* BUCKMEM REGISTER */ +#define DA9052_BUCKMEM_BMEMCONF 0x80 +#define DA9052_BUCKMEM_BMEMEN 0x40 +#define DA9052_BUCKMEM_VBMEM 0x3F + +/* BUCKPERI REGISTER */ +#define DA9052_BUCKPERI_BPERICONF 0x80 +#define DA9052_BUCKPERI_BPERIEN 0x40 +#define DA9052_BUCKPERI_BPERIHS 0x20 +#define DA9052_BUCKPERI_VBPERI 0x1F + +/* LDO1 REGISTER */ +#define DA9052_LDO1_LDO1CONF 0x80 +#define DA9052_LDO1_LDO1EN 0x40 +#define DA9052_LDO1_VLDO1 0x1F + +/* LDO2 REGISTER */ +#define DA9052_LDO2_LDO2CONF 0x80 +#define DA9052_LDO2_LDO2EN 0x40 +#define DA9052_LDO2_VLDO2 0x3F + +/* LDO3 REGISTER */ +#define DA9052_LDO3_LDO3CONF 0x80 +#define DA9052_LDO3_LDO3EN 0x40 +#define DA9052_LDO3_VLDO3 0x3F + +/* LDO4 REGISTER */ +#define DA9052_LDO4_LDO4CONF 0x80 +#define DA9052_LDO4_LDO4EN 0x40 +#define DA9052_LDO4_VLDO4 0x3F + +/* LDO5 REGISTER */ +#define DA9052_LDO5_LDO5CONF 0x80 +#define DA9052_LDO5_LDO5EN 0x40 +#define DA9052_LDO5_VLDO5 0x3F + +/* LDO6 REGISTER */ +#define DA9052_LDO6_LDO6CONF 0x80 +#define DA9052_LDO6_LDO6EN 0x40 +#define DA9052_LDO6_VLDO6 0x3F + +/* LDO7 REGISTER */ +#define DA9052_LDO7_LDO7CONF 0x80 +#define DA9052_LDO7_LDO7EN 0x40 +#define DA9052_LDO7_VLDO7 0x3F + +/* LDO8 REGISTER */ +#define DA9052_LDO8_LDO8CONF 0x80 +#define DA9052_LDO8_LDO8EN 0x40 +#define DA9052_LDO8_VLDO8 0x3F + +/* LDO9 REGISTER */ +#define DA9052_LDO9_LDO9CONF 0x80 +#define DA9052_LDO9_LDO9EN 0x40 +#define DA9052_LDO9_VLDO9 0x3F + +/* LDO10 REGISTER */ +#define DA9052_LDO10_LDO10CONF 0x80 +#define DA9052_LDO10_LDO10EN 0x40 +#define DA9052_LDO10_VLDO10 0x3F + +/* SUPPLY REGISTER */ +#define DA9052_SUPPLY_VLOCK 0x80 +#define DA9052_SUPPLY_VMEMSWEN 0x40 +#define DA9052_SUPPLY_VPERISWEN 0x20 +#define DA9052_SUPPLY_VLDO3GO 0x10 +#define DA9052_SUPPLY_VLDO2GO 0x08 +#define DA9052_SUPPLY_VBMEMGO 0x04 +#define DA9052_SUPPLY_VBPROGO 0x02 +#define DA9052_SUPPLY_VBCOREGO 0x01 + +/* PULLDOWN REGISTER */ +#define DA9052_PULLDOWN_LDO5PDDIS 0x20 +#define DA9052_PULLDOWN_LDO2PDDIS 0x10 +#define DA9052_PULLDOWN_LDO1PDDIS 0x08 +#define DA9052_PULLDOWN_MEMPDDIS 0x04 +#define DA9052_PULLDOWN_PROPDDIS 0x02 +#define DA9052_PULLDOWN_COREPDDIS 0x01 + +/* BAT CHARGER REGISTER */ + +/* CHARGER BUCK REGISTER */ +#define DA9052_CHGBUCK_CHGTEMP 0x80 +#define DA9052_CHGBUCK_CHGUSBILIM 0x40 +#define DA9052_CHGBUCK_CHGBUCKLP 0x20 +#define DA9052_CHGBUCK_CHGBUCKEN 0x10 +#define DA9052_CHGBUCK_ISETBUCK 0x0F + +/* WAIT COUNTER REGISTER */ +#define DA9052_WAITCONT_WAITDIR 0x80 +#define DA9052_WAITCONT_RTCCLOCK 0x40 +#define DA9052_WAITCONT_WAITMODE 0x20 +#define DA9052_WAITCONT_EN32KOUT 0x10 +#define DA9052_WAITCONT_DELAYTIME 0x0F + +/* ISET CONTROL REGISTER */ +#define DA9052_ISET_ISETDCIN 0xF0 +#define DA9052_ISET_ISETVBUS 0x0F + +/* BATTERY CHARGER CONTROL REGISTER */ +#define DA9052_BATCHG_ICHGPRE 0xC0 +#define DA9052_BATCHG_ICHGBAT 0x3F + +/* CHARGER COUNTER REGISTER */ +#define DA9052_CHG_CONT_VCHG_BAT 0xF8 +#define DA9052_CHG_CONT_TCTR 0x07 + +/* INPUT CONTROL REGISTER */ +#define DA9052_INPUT_CONT_TCTR_MODE 0x80 +#define DA9052_INPUT_CONT_VBUS_SUSP 0x10 +#define DA9052_INPUT_CONT_DCIN_SUSP 0x08 + +/* CHARGING TIME REGISTER */ +#define DA9052_CHGTIME_CHGTIME 0xFF + +/* BACKUP BATTERY CONTROL REGISTER */ +#define DA9052_BBATCONT_BCHARGERISET 0xF0 +#define DA9052_BBATCONT_BCHARGERVSET 0x0F + +/* LED REGISTERS */ +/* LED BOOST REGISTER */ +#define DA9052_BOOST_EBFAULT 0x80 +#define DA9052_BOOST_MBFAULT 0x40 +#define DA9052_BOOST_BOOSTFRQ 0x20 +#define DA9052_BOOST_BOOSTILIM 0x10 +#define DA9052_BOOST_LED3INEN 0x08 +#define DA9052_BOOST_LED2INEN 0x04 +#define DA9052_BOOST_LED1INEN 0x02 +#define DA9052_BOOST_BOOSTEN 0x01 + +/* LED CONTROL REGISTER */ +#if defined(CONFIG_PMIC_DA9053BA) +#define DA9052_LEDCONT_SELLEDMODE 0x80 +#endif +#define DA9052_LEDCONT_LED3ICONT 0x40 +#define DA9052_LEDCONT_LED3RAMP 0x20 +#define DA9052_LEDCONT_LED3EN 0x10 +#define DA9052_LEDCONT_LED2RAMP 0x08 +#define DA9052_LEDCONT_LED2EN 0x04 +#define DA9052_LEDCONT_LED1RAMP 0x02 +#define DA9052_LEDCONT_LED1EN 0x01 + +/* LEDMIN123 REGISTER */ +#define DA9052_LEDMIN123_LEDMINCURRENT 0xFF + +/* LED1CONF REGISTER */ +#define DA9052_LED1CONF_LED1CURRENT 0xFF + +/* LED2CONF REGISTER */ +#define DA9052_LED2CONF_LED2CURRENT 0xFF + +/* LED3CONF REGISTER */ +#define DA9052_LED3CONF_LED3CURRENT 0xFF + +/* LED COUNT REGISTER */ +#define DA9052_LED_CONT_DIM 0x80 + +/* ADC MAN registers */ +#define DA9052_ADC_MAN_MAN_CONV 0x10 +#define DA9052_ADC_MAN_MUXSEL_VDDOUT 0x0 +#define DA9052_ADC_MAN_MUXSEL_ICH 0x01 +#define DA9052_ADC_MAN_MUXSEL_TBAT 0x02 +#define DA9052_ADC_MAN_MUXSEL_VBAT 0x03 +#define DA9052_ADC_MAN_MUXSEL_AD4 0x04 +#define DA9052_ADC_MAN_MUXSEL_AD5 0x05 +#define DA9052_ADC_MAN_MUXSEL_AD6 0x06 +#define DA9052_ADC_MAN_MUXSEL_VBBAT 0x09 + +/* ADC CONTROL regsisters */ +#define DA9052_ADCCONT_COMP1V2EN 0x80 +#define DA9052_ADCCONT_ADCMODE 0x40 +#define DA9052_ADCCONT_TBATISRCEN 0x20 +#define DA9052_ADCCONT_AD4ISRCEN 0x10 +#define DA9052_ADCCONT_AUTOAD6EN 0x08 +#define DA9052_ADCCONT_AUTOAD5EN 0x04 +#define DA9052_ADCCONT_AUTOAD4EN 0x02 +#define DA9052_ADCCONT_AUTOVDDEN 0x01 + +/* ADC 10 BIT MANUAL CONVERSION RESULT LOW register */ +#define DA9052_ADC_RES_LSB 0x03 + +/* ADC 10 BIT MANUAL CONVERSION RESULT HIGH register */ +#define DA9052_ADCRESH_ADCRESMSB 0xFF + +/* VDD RES regsister*/ +#define DA9052_VDDRES_VDDOUTRES 0xFF + +/* VDD MON regsister*/ +#define DA9052_VDDMON_VDDOUTMON 0xFF + +/* ICHG_AV regsister*/ +#define DA9052_ICHGAV_ICHGAV 0xFF + +/* ICHG_THD regsister*/ +#define DA9052_ICHGTHD_ICHGTHD 0xFF + +/* ICHG_END regsister*/ +#define DA9052_ICHGEND_ICHGEND 0xFF + +/* TBAT_RES regsister*/ +#define DA9052_TBATRES_TBATRES 0xFF + +/* TBAT_HIGHP regsister*/ +#define DA9052_TBATHIGHP_TBATHIGHP 0xFF + +/* TBAT_HIGHN regsister*/ +#define DA9052_TBATHIGHN_TBATHIGHN 0xFF + +/* TBAT_LOW regsister*/ +#define DA9052_TBATLOW_TBATLOW 0xFF + +/* T_OFFSET regsister*/ +#define DA9052_TOFFSET_TOFFSET 0xFF + +/* ADCIN4_RES regsister*/ +#define DA9052_ADCIN4RES_ADCIN4RES 0xFF + +/* ADCIN4_HIGH regsister*/ +#define DA9052_AUTO4HIGH_AUTO4HIGH 0xFF + +/* ADCIN4_LOW regsister*/ +#define DA9052_AUTO4LOW_AUTO4LOW 0xFF + +/* ADCIN5_RES regsister*/ +#define DA9052_ADCIN5RES_ADCIN5RES 0xFF + +/* ADCIN5_HIGH regsister*/ +#define DA9052_AUTO5HIGH_AUTOHIGH 0xFF + +/* ADCIN5_LOW regsister*/ +#define DA9052_AUTO5LOW_AUTO5LOW 0xFF + +/* ADCIN6_RES regsister*/ +#define DA9052_ADCIN6RES_ADCIN6RES 0xFF + +/* ADCIN6_HIGH regsister*/ +#define DA9052_AUTO6HIGH_AUTO6HIGH 0xFF + +/* ADCIN6_LOW regsister*/ +#define DA9052_AUTO6LOW_AUTO6LOW 0xFF + +/* TJUNC_RES regsister*/ +#define DA9052_TJUNCRES_TJUNCRES 0xFF + +/* TSI REGISTER */ + +/* TSI Control Register A */ +#define DA9052_TSICONTA_TSIDELAY 0xC0 +#define DA9052_TSICONTA_TSISKIP 0x38 +#define DA9052_TSICONTA_TSIMODE 0x04 +#define DA9052_TSICONTA_PENDETEN 0x02 +#define DA9052_TSICONTA_AUTOTSIEN 0x01 + +/* TSI Control Register B */ +#define DA9052_TSICONTB_ADCREF 0x80 +#define DA9052_TSICONTB_TSIMAN 0x40 +#define DA9052_TSICONTB_TSIMUX 0x30 +#define DA9052_TSICONTB_TSISEL3 0x08 +#define DA9052_TSICONTB_TSISEL2 0x04 +#define DA9052_TSICONTB_TSISEL1 0x02 +#define DA9052_TSICONTB_TSISEL0 0x01 + +/* TSI X Co-ordinate MSB Result register */ +#define DA9052_TSIXMSB_TSIXM 0xFF + +/* TSI Y Co-ordinate MSB Result register */ +#define DA9052_TSIYMSB_TSIYM 0xFF + +/* TSI Co-ordinate LSB Result register */ +#define DA9052_TSILSB_PENDOWN 0x40 +#define DA9052_TSILSB_TSIZL 0x30 +#define DA9052_TSILSB_TSIYL 0x0C +#define DA9052_TSILSB_TSIXL 0x03 + +/* TSI Z Measurement MSB Result register */ +#define DA9052_TSIZMSB_TSIZM 0xFF + +/* RTC REGISTER */ + +/* RTC TIMER SECONDS REGISTER */ +#define DA9052_COUNTS_MONITOR 0x40 +#define DA9052_RTC_SEC 0x3F + +/* RTC TIMER MINUTES REGISTER */ +#define DA9052_RTC_MIN 0x3F + +/* RTC TIMER HOUR REGISTER */ +#define DA9052_RTC_HOUR 0x1F + +/* RTC TIMER DAYS REGISTER */ +#define DA9052_RTC_DAY 0x1F + +/* RTC TIMER MONTHS REGISTER */ +#define DA9052_RTC_MONTH 0x0F + +/* RTC TIMER YEARS REGISTER */ +#define DA9052_RTC_YEAR 0x3F + +/* RTC ALARM MINUTES REGISTER */ +#define DA9052_ALARMM_I_TICK_TYPE 0x80 +#define DA9052_ALARMMI_ALARMTYPE 0x40 + +/* RTC ALARM YEARS REGISTER */ +#define DA9052_ALARM_Y_TICK_ON 0x80 +#define DA9052_ALARM_Y_ALARM_ON 0x40 + +/* RTC SECONDS REGISTER A*/ +#define DA9052_SECONDA_SECONDSA 0xFF + +/* RTC SECONDS REGISTER B*/ +#define DA9052_SECONDB_SECONDSB 0xFF + +/* RTC SECONDS REGISTER C*/ +#define DA9052_SECONDC_SECONDSC 0xFF + +/* RTC SECONDS REGISTER D*/ +#define DA9052_SECONDD_SECONDSD 0xFF + +/* OTP REGISTER */ + +/* CHIP IDENTIFICATION REGISTER */ +#define DA9052_CHIPID_MRC 0xF0 +#define DA9052_CHIPID_TRC 0x0F + +/* CONFIGURATION IDENTIFICATION REGISTER */ +#define DA9052_CONFIGID_CUSTOMERID 0xF8 +#define DA9052_CONFIGID_CONFID 0x07 + +/* OTP CONTROL REGISTER */ +#define DA9052_OTPCONT_GPWRITEDIS 0x80 +#define DA9052_OTPCONT_OTPCONFLOCK 0x40 +#define DA9052_OTPCONT_OTPGPLOCK 0x20 +#define DA9052_OTPCONT_OTPCONFG 0x08 +#define DA9052_OTPCONT_OTPGP 0x04 +#define DA9052_OTPCONT_OTPRP 0x02 +#define DA9052_OTPCONT_OTPTRANSFER 0x01 + +/* RTC OSCILLATOR TRIM REGISTER */ +#define DA9052_OSCTRIM_TRIM32K 0xFF + +/* GP ID REGISTER 0 */ +#define DA9052_GPID0_GP0 0xFF + +/* GP ID REGISTER 1 */ +#define DA9052_GPID1_GP1 0xFF + +/* GP ID REGISTER 2 */ +#define DA9052_GPID2_GP2 0xFF + +/* GP ID REGISTER 3 */ +#define DA9052_GPID3_GP3 0xFF + +/* GP ID REGISTER 4 */ +#define DA9052_GPID4_GP4 0xFF + +/* GP ID REGISTER 5 */ +#define DA9052_GPID5_GP5 0xFF + +/* GP ID REGISTER 6 */ +#define DA9052_GPID6_GP6 0xFF + +/* GP ID REGISTER 7 */ +#define DA9052_GPID7_GP7 0xFF + +/* GP ID REGISTER 8 */ +#define DA9052_GPID8_GP8 0xFF + +/* GP ID REGISTER 9 */ +#define DA9052_GPID9_GP9 0xFF + +#endif +/* __LINUX_MFD_DA9052_REG_H */

12 years, 11 months

[PATCH 9/11] Backlight: DA9052 Backlight driver v1

by ashishj3

DA9052 PMIC has capability to supply power for upto 3 banks of 6 white serial LEDS. It can also control intensity of independent banks. To drive these banks boost converter will provide up to 24V and forward current of max. 50mA. This patch controls intensity of the individual WLEDs bank through DA9052 PMIC. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- drivers/video/backlight/Kconfig | 6 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/da9052_bl.c | 216 +++++++++++++++++++++++++++++++++++ 3 files changed, 223 insertions(+), 0 deletions(-) create mode 100755 drivers/video/backlight/da9052_bl.c diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 0c9373b..a14fb21 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -237,6 +237,12 @@ config BACKLIGHT_DA903X If you have a LCD backlight connected to the WLED output of DA9030 or DA9034 WLED output, say Y here to enable this driver. +config BACKLIGHT_DA9052 + tristate "Dialog DA9052 WLED" + depends on PMIC_DA9052 + help + Enable the DA9052 Backlight Driver + config BACKLIGHT_MAX8925 tristate "Backlight driver for MAX8925" depends on MFD_MAX8925 diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index b9ca849..a317e11 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o +obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o obj-$(CONFIG_BACKLIGHT_APPLE) += apple_bl.o obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c new file mode 100755 index 0000000..ed8b2f8 --- /dev/null +++ b/drivers/video/backlight/da9052_bl.c @@ -0,0 +1,216 @@ +/* + * Backlight Driver for Dialog DA9052 PMICs + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/platform_device.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +#define DA9052_MAX_BRIGHTNESS 0xFF + +enum { + DA9052_WLEDS_OFF, + DA9052_WLEDS_ON, +}; + +static unsigned char wled_bank[] = { + DA9052_LED1_CONF_REG, + DA9052_LED2_CONF_REG, + DA9052_LED3_CONF_REG, +}; + +struct da9052_bl { + struct da9052 *da9052; + uint brightness; + uint state; + uint led_reg; +}; + +static int da9052_adjust_wled_brightness(struct da9052_bl *wleds) +{ + unsigned char boost_en; + unsigned char i_sink; + int ret; + + boost_en = 0x3F; + i_sink = 0xFF; + if (wleds->state == DA9052_WLEDS_OFF) { + boost_en = 0x00; + i_sink = 0x00; + } + + ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en); + if (ret < 0) { + dev_err(wleds->da9052->dev, + "Failed to write boost reg, %d\n", ret); + return ret; + } + + ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink); + if (ret < 0) { + dev_err(wleds->da9052->dev, + "Failed to write led cont reg, %d\n", ret); + return ret; + } + + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0); + if (ret < 0) { + dev_err(wleds->da9052->dev, + "Failed to write led conf reg, %d", ret); + return ret; + } + + if (wleds->brightness) { + msleep(10); + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], + wleds->brightness); + if (ret < 0) { + dev_err(wleds->da9052->dev, + "Failed to write led conf reg, %d", ret); + return ret; + } + } + + return 0; +} + +static int da9052_backlight_update_status(struct backlight_device *bl) +{ + int brightness = bl->props.brightness; + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = brightness; + wleds->state = DA9052_WLEDS_ON; + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_get_brightness(struct backlight_device *bl) +{ + struct da9052_bl *wleds = bl_get_data(bl); + + return wleds->brightness; +} + +static const struct backlight_ops da9052_backlight_ops = { + .update_status = da9052_backlight_update_status, + .get_brightness = da9052_backlight_get_brightness, +}; + +static int da9052_backlight_probe(struct platform_device *pdev) +{ + struct backlight_device *bl; + struct backlight_properties props; + static int led_reg_num; + struct da9052_bl *wleds; + + wleds = kzalloc(sizeof(struct da9052_bl), GFP_KERNEL); + if (!wleds) + return -ENOMEM; + + wleds->da9052 = dev_get_drvdata(pdev->dev.parent); + wleds->brightness = 0; + wleds->led_reg = led_reg_num++; + wleds->state = DA9052_WLEDS_OFF; + + bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds, + &da9052_backlight_ops, &props); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "Failed to register backlight\n"); + kfree(wleds); + return PTR_ERR(bl); + } + + bl->props.max_brightness = DA9052_MAX_BRIGHTNESS; + bl->props.brightness = 0; + platform_set_drvdata(pdev, bl); + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_remove(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = 0; + wleds->state = DA9052_WLEDS_OFF; + da9052_adjust_wled_brightness(wleds); + backlight_device_unregister(bl); + + return 0; +} + +static struct platform_driver da9052_wled1_driver = { + .probe = da9052_backlight_probe, + .remove = da9052_backlight_remove, + .driver = { + .name = "da9052-WLED1", + .owner = THIS_MODULE, + }, +}; + +static struct platform_driver da9052_wled2_driver = { + .probe = da9052_backlight_probe, + .remove = da9052_backlight_remove, + .driver = { + .name = "da9052-WLED2", + .owner = THIS_MODULE, + }, +}; + +static struct platform_driver da9052_wled3_driver = { + .probe = da9052_backlight_probe, + .remove = da9052_backlight_remove, + .driver = { + .name = "da9052-WLED3", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_backlight_init(void) +{ + int ret; + + ret = platform_driver_register(&da9052_wled1_driver); + if (ret) + return ret; + + ret = platform_driver_register(&da9052_wled2_driver); + if (ret) + return ret; + + ret = platform_driver_register(&da9052_wled3_driver); + if (ret) + return ret; + + return 0; +} +module_init(da9052_backlight_init); + +static void __exit da9052_backlight_exit(void) +{ + platform_driver_unregister(&da9052_wled1_driver); + platform_driver_unregister(&da9052_wled2_driver); + platform_driver_unregister(&da9052_wled3_driver); +} +module_exit(da9052_backlight_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("Backlight driver for DA9052 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-backlight");

12 years, 11 months

[PATCH 02/11] GPIO: DA9052 GPIO module v2

by ashishj3

DA9052 PMIC has 16 bit GPIO bus for peripheral control. This patch add support for the GPIO pins on the DA9052. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> CC: Mark Brown <broonie(a)opensource.wolfsonmicro.com> --- Changes since v2 - change of file name - correct reference to irq_base in function to_irq() - remove pdata dependency --- drivers/gpio/Kconfig | 6 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-da9052.c | 259 +++++++++++++++++++++++++++++++++++++++ include/linux/mfd/da9052/gpio.h | 47 +++++++ 4 files changed, 313 insertions(+), 0 deletions(-) create mode 100755 drivers/gpio/gpio-da9052.c create mode 100755 include/linux/mfd/da9052/gpio.h diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d3b2953..df510d4 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -65,6 +65,12 @@ config GPIO_SYSFS # put expanders in the right section, in alphabetical order +config GPIO_DA9052 + tristate "Dialog DA9052 GPIO" + depends on PMIC_DA9052 + help + Say yes here to enable the GPIO driver for the DA9052 chip. + config GPIO_MAX730X tristate diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index becef59..cbee503 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_GPIOLIB) += gpiolib.o obj-$(CONFIG_GPIO_ADP5520) += adp5520-gpio.o obj-$(CONFIG_GPIO_ADP5588) += adp5588-gpio.o obj-$(CONFIG_GPIO_BASIC_MMIO) += basic_mmio_gpio.o +obj-$(CONFIG_GPIO_DA9052) += gpio-da9052.o obj-$(CONFIG_GPIO_LANGWELL) += langwell_gpio.o obj-$(CONFIG_GPIO_MAX730X) += max730x.o obj-$(CONFIG_GPIO_MAX7300) += max7300.o diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c new file mode 100755 index 0000000..1d83a7e --- /dev/null +++ b/drivers/gpio/gpio-da9052.c @@ -0,0 +1,259 @@ +/* + * GPIO Driver for Dialog DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/uaccess.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/syscalls.h> +#include <linux/seq_file.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> +#include <linux/mfd/da9052/pdata.h> +#include <linux/mfd/da9052/gpio.h> + +struct da9052_gpio { + struct da9052 *da9052; + struct gpio_chip gp; +}; + +static inline struct da9052_gpio *to_da9052_gpio(struct gpio_chip *chip) +{ + return container_of(chip, struct da9052_gpio, gp); +} + +static unsigned char da9052_gpio_port_odd(unsigned offset) +{ + return offset % 2; +} + +static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset) +{ + struct da9052_gpio *gpio = to_da9052_gpio(gc); + int da9052_port_direction = 0; + int ret; + + ret = da9052_reg_read(gpio->da9052, + DA9052_GPIO_0_1_REG + (offset >> 1)); + if (ret < 0) + return ret; + + if (da9052_gpio_port_odd(offset)) { + da9052_port_direction = ret & DA9052_GPIO_ODD_PORT_PIN; + da9052_port_direction >>= 4; + } else { + da9052_port_direction = ret & DA9052_GPIO_EVEN_PORT_PIN; + } + + switch (da9052_port_direction) { + case DA9052_INPUT: + if (offset < DA9052_GPIO_MAX_PORTS_PER_REGISTER) + ret = da9052_reg_read(gpio->da9052, + DA9052_STATUS_C_REG); + else + ret = da9052_reg_read(gpio->da9052, + DA9052_STATUS_D_REG); + if (ret < 0) + return ret; + if (ret & (1 << DA9052_GPIO_SHIFT_COUNT(offset))) + return 1; + else + return 0; + case DA9052_OUTPUT_PUSHPULL: + if (da9052_gpio_port_odd(offset)) + return ret & DA9052_GPIO_ODD_PORT_MODE; + else + return ret & DA9052_GPIO_EVEN_PORT_MODE; + default: + return -EINVAL; + } +} + +static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value) +{ + struct da9052_gpio *gpio = to_da9052_gpio(gc); + unsigned char register_value = 0; + int ret; + + if (da9052_gpio_port_odd(offset)) { + if (value) { + register_value = DA9052_GPIO_ODD_PORT_MODE; + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_ODD_PORT_MODE, + register_value); + if (ret != 0) + dev_err(gpio->da9052->dev, + "Failed to updated gpio odd reg,%d", + ret); + } + } else { + if (value) { + register_value = DA9052_GPIO_EVEN_PORT_MODE; + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_EVEN_PORT_MODE, + register_value); + if (ret != 0) + dev_err(gpio->da9052->dev, + "Failed to updated gpio even reg,%d", + ret); + } + } +} + +static int da9052_gpio_direction_input(struct gpio_chip *gc, unsigned offset) +{ + struct da9052_gpio *gpio = to_da9052_gpio(gc); + unsigned char register_value; + int ret; + + /* Format: function - 2 bits type - 1 bit mode - 1 bit */ + register_value = DA9052_INPUT | DA9052_ACTIVE_LOW << 2 | + DA9052_DEBOUNCING_ON << 3; + + if (da9052_gpio_port_odd(offset)) + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_MASK_UPPER_NIBBLE, + (register_value << + DA9052_GPIO_NIBBLE_SHIFT)); + else + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_MASK_LOWER_NIBBLE, + register_value); + + return ret; +} + +static int da9052_gpio_direction_output(struct gpio_chip *gc, + unsigned offset, int value) +{ + struct da9052_gpio *gpio = to_da9052_gpio(gc); + unsigned char register_value; + int ret; + + /* Format: Function - 2 bits Type - 1 bit Mode - 1 bit */ + register_value = DA9052_OUTPUT_PUSHPULL | DA9052_SUPPLY_VDD_IO1 << 2 | + value << 3; + + if (da9052_gpio_port_odd(offset)) + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_MASK_UPPER_NIBBLE, + (register_value << + DA9052_GPIO_NIBBLE_SHIFT)); + else + ret = da9052_reg_update(gpio->da9052, (offset >> 1) + + DA9052_GPIO_0_1_REG, + DA9052_GPIO_MASK_LOWER_NIBBLE, + register_value); + + return ret; +} + +static int da9052_gpio_to_irq(struct gpio_chip *gc, u32 offset) +{ + struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052 *da9052 = gpio->da9052; + + return da9052->irq_base + DA9052_IRQ_GPI0 + offset; +} + +static struct gpio_chip reference_gp{ + .label = "da9052-gpio", + .owner = THIS_MODULE, + .get = da9052_gpio_get, + .set = da9052_gpio_set, + .direction_input = da9052_gpio_direction_input, + .direction_output = da9052_gpio_direction_output, + .to_irq = da9052_gpio_to_irq, + .can_sleep = 1; +}; + +static int __devinit da9052_gpio_probe(struct platform_device *pdev) +{ + struct da9052_gpio *gpio; + struct da9052_pdata *pdata; + int ret; + + gpio = kzalloc(sizeof(*gpio), GFP_KERNEL); + if (gpio == NULL) + return -ENOMEM; + + gpio->da9052 = dev_get_drvdata(pdev->dev.parent); + pdata = gpio->da9052->dev->platform_data; + + gpio->da9052 = dev_get_drvdata(pdev->dev.parent); + gpio->gp = reference_gp; + gpio->gp.ngpio = 16; + if (pdata && pdata->gpio_base) + gpio->gp.base = pdata->gpio_base; + else + gpio->gp.base = -1; + + ret = gpiochip_add(&gpio->gp); + if (ret < 0) { + dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); + goto err_mem; + } + + platform_set_drvdata(pdev, gpio); + + return 0; + +err_mem: + kfree(gpio); + return ret; +} + +static int __devexit da9052_gpio_remove(struct platform_device *pdev) +{ + struct da9052_gpio *gpio = platform_get_drvdata(pdev); + int ret; + + ret = gpiochip_remove(&gpio->gp); + if (ret == 0) + kfree(gpio); + + return ret; +} + +static struct platform_driver da9052_gpio_driver = { + .probe = da9052_gpio_probe, + .remove = __devexit_p(da9052_gpio_remove), + .driver = { + .name = "da9052-gpio", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_gpio_init(void) +{ + return platform_driver_register(&da9052_gpio_driver); +} +module_init(da9052_gpio_init); + +static void __exit da9052_gpio_exit(void) +{ + return platform_driver_unregister(&da9052_gpio_driver); +} +module_exit(da9052_gpio_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("DA9052 GPIO Device Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-gpio"); diff --git a/include/linux/mfd/da9052/gpio.h b/include/linux/mfd/da9052/gpio.h new file mode 100755 index 0000000..ff579bf --- /dev/null +++ b/include/linux/mfd/da9052/gpio.h @@ -0,0 +1,47 @@ +/* + * GPIO declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_GPIO_H +#define __LINUX_MFD_DA9052_GPIO_H + +#define DA9052_INPUT 1 +#define DA9052_OUTPUT_OPENDRAIN 2 +#define DA9052_OUTPUT_PUSHPULL 3 + +#define DA9052_SUPPLY_VDD_IO1 0 + +#define DA9052_DEBOUNCING_OFF 0 +#define DA9052_DEBOUNCING_ON 1 + +#define DA9052_OUTPUT_LOWLEVEL 0 + +#define DA9052_ACTIVE_LOW 0 +#define DA9052_ACTIVE_HIGH 1 + +#define DA9052_GPIO_MAX_PORTS_PER_REGISTER 8 +#define DA9052_GPIO_SHIFT_COUNT(no) (no%8) +#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0 +#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F +#define DA9052_GPIO_NIBBLE_SHIFT 4 + +#endif

12 years, 11 months

[ACTIVITY] Zach Pfeffer 2011-06-19 to 2011/06/25

by Zach Pfeffer

== Zach Pfeffer pfefferz == === Highlights === * Integrated TI LT 1080P fix * Helped get the 11.06 release out the door * Got Android/LT PoC sync-ups kicked offour individual plans for the coming week(s). * Got manual CI process underway === Plans === * Onboard Botao Sun, Tony Mansson, Chao Yang * Help fix 39 tip * Help fix TI tip * Work with each WG to land their technology this month === Issues === * None

12 years, 11 months

[ACTIVITY] Android Platform Team 2011-06-19 to 2011-06-25

by Zach Pfeffer

Corrected the ACTIVITY date range. On 5 July 2011 08:03, Zach Pfeffer <zach.pfeffer(a)linaro.org> wrote: > Original at: https://wiki.linaro.org/Platform/Android/Status/2011-06-30 > > == Key Points for wider discussion == > * The Android Team now has dedicated Points-of-Contact for each > landing team, WG PoCs coming based on resources > * Upgraded baselines to AOSP 2.3.4 > > == Team Highlights == > > * Started helping hook LAVA to the autobuilder > * Planning 0xbench maintenance > * Fixed EDID parser issue on TI LEB > * Started AOSP upstreaming planning > * Created an Android Multimedia test bench > (https://wiki.linaro.org/MultimediaTest) > > == Risks / Issues == > * Need lots of Pandaboards > > == Miscellaneous == > * Bernhard Rosenkraenzer and Frans Gifford joined the Android team > (welcome email to follow) >

12 years, 11 months

[ACTIVITY] Android Platform Team 2011-06-26 to 2011-07-02

by Zach Pfeffer

Original at: https://wiki.linaro.org/Platform/Android/Status/2011-06-30 == Key Points for wider discussion == * The Android Team now has dedicated Points-of-Contact for each landing team, WG PoCs coming based on resources * Upgraded baselines to AOSP 2.3.4 == Team Highlights == * Started helping hook LAVA to the autobuilder * Planning 0xbench maintenance * Fixed EDID parser issue on TI LEB * Started AOSP upstreaming planning * Created an Android Multimedia test bench (https://wiki.linaro.org/MultimediaTest) == Risks / Issues == * Need lots of Pandaboards == Miscellaneous == * Bernhard Rosenkraenzer and Frans Gifford joined the Android team (welcome email to follow)

12 years, 11 months

initrd and dtb locations (for panda)

by David Long

Can someone explain why uboot copies the initrd and device tree data to higher memory when we boot panda with a dtb? I'm assuming there's a reason, but it seems a problematic thing to do (potentially even without >3/4GB SDRAM present). -dl

12 years, 11 months

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linaro-dev July 2011