On Fri, 2012-11-09 at 19:29 +0800, hongbo.zhang wrote:
From: "hongbo.zhang" hongbo.zhang@linaro.com
This patch adds device tree properties for ST-Ericsson DB8500 thermal driver, also adds the platform data to support the old fashion.
Signed-off-by: hongbo.zhang hongbo.zhang@linaro.com Reviewed-by: Viresh Kumar viresh.kumar@linaro.org
hmmm,
who should take this patch? I'd like to see ACK from the maintainer of these code before applying them to thermal tree.
thanks, rui
arch/arm/boot/dts/dbx5x0.dtsi | 14 +++++++++ arch/arm/boot/dts/snowball.dts | 31 ++++++++++++++++++ arch/arm/configs/u8500_defconfig | 2 ++ arch/arm/mach-ux500/board-mop500.c | 64 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 111 insertions(+)
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi index 4b0e0ca..731086b 100644 --- a/arch/arm/boot/dts/dbx5x0.dtsi +++ b/arch/arm/boot/dts/dbx5x0.dtsi @@ -203,6 +203,14 @@ reg = <0x80157450 0xC>; };
thermal@801573c0 {compatible = "stericsson,db8500-thermal";reg = <0x801573c0 0x40>;interrupts = <21 0x4>, <22 0x4>;interrupt-names = "IRQ_HOTMON_LOW", "IRQ_HOTMON_HIGH";status = "disabled";};db8500-prcmu-regulators { compatible = "stericsson,db8500-prcmu-regulator";@@ -660,5 +668,11 @@ ranges = <0 0x50000000 0x4000000>; status = "disabled"; };
cpufreq-cooling {compatible = "stericsson,db8500-cpufreq-cooling";status = "disabled";};- };
}; diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts index 702c0ba..c6f85f0 100644 --- a/arch/arm/boot/dts/snowball.dts +++ b/arch/arm/boot/dts/snowball.dts @@ -99,6 +99,33 @@ status = "okay"; };
prcmu@80157000 {thermal@801573c0 {num-trips = <4>;trip0-temp = <70000>;trip0-type = "active";trip0-cdev-num = <1>;trip0-cdev-name0 = "thermal-cpufreq-0";trip1-temp = <75000>;trip1-type = "active";trip1-cdev-num = <1>;trip1-cdev-name0 = "thermal-cpufreq-0";trip2-temp = <80000>;trip2-type = "active";trip2-cdev-num = <1>;trip2-cdev-name0 = "thermal-cpufreq-0";trip3-temp = <85000>;trip3-type = "critical";trip3-cdev-num = <0>;status = "okay";};};- external-bus@50000000 { status = "okay";
@@ -183,5 +210,9 @@ reg = <0x33>; }; };
cpufreq-cooling {status = "okay";};}; diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index da68454..250625d 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -69,6 +69,8 @@ CONFIG_GPIO_TC3589X=y CONFIG_POWER_SUPPLY=y CONFIG_AB8500_BM=y CONFIG_AB8500_BATTERY_THERM_ON_BATCTRL=y +CONFIG_THERMAL=y +CONFIG_CPU_THERMAL=y CONFIG_MFD_STMPE=y CONFIG_MFD_TC3589X=y CONFIG_AB5500_CORE=y diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 416d436..b03216b 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/i2c.h> #include <linux/platform_data/i2c-nomadik.h> +#include <linux/platform_data/db8500_thermal.h> #include <linux/gpio.h> #include <linux/amba/bus.h> #include <linux/amba/pl022.h> @@ -229,6 +230,67 @@ static struct ab8500_platform_data ab8500_platdata = { }; /*
- Thermal Sensor
- */
+static struct resource db8500_thsens_resources[] = {
- {
.name = "IRQ_HOTMON_LOW",.start = IRQ_PRCMU_HOTMON_LOW,.end = IRQ_PRCMU_HOTMON_LOW,.flags = IORESOURCE_IRQ,- },
- {
.name = "IRQ_HOTMON_HIGH",.start = IRQ_PRCMU_HOTMON_HIGH,.end = IRQ_PRCMU_HOTMON_HIGH,.flags = IORESOURCE_IRQ,- },
+};
+static struct db8500_thsens_platform_data db8500_thsens_data = {
- .trip_points[0] = {
.temp = 70000,.type = THERMAL_TRIP_ACTIVE,.cdev_name = {[0] = "thermal-cpufreq-0",},- },
- .trip_points[1] = {
.temp = 75000,.type = THERMAL_TRIP_ACTIVE,.cdev_name = {[0] = "thermal-cpufreq-0",},- },
- .trip_points[2] = {
.temp = 80000,.type = THERMAL_TRIP_ACTIVE,.cdev_name = {[0] = "thermal-cpufreq-0",},- },
- .trip_points[3] = {
.temp = 85000,.type = THERMAL_TRIP_CRITICAL,- },
- .num_trips = 4,
+};
+static struct platform_device u8500_thsens_device = {
- .name = "db8500-thermal",
- .resource = db8500_thsens_resources,
- .num_resources = ARRAY_SIZE(db8500_thsens_resources),
- .dev = {
.platform_data = &db8500_thsens_data,- },
+};
+static struct platform_device u8500_cpufreq_cooling_device = {
- .name = "db8500-cpufreq-cooling",
+};
+/*
- TPS61052
*/ @@ -583,6 +645,8 @@ static struct platform_device *snowball_platform_devs[] __initdata = { &snowball_key_dev, &snowball_sbnet_dev, &snowball_gpio_en_3v3_regulator_dev,
- &u8500_thsens_device,
- &u8500_cpufreq_cooling_device,
}; static void __init mop500_init_machine(void)