From: "Ying-Chun Liu (PaulLiu)" paul.liu@linaro.org
This patch adds device tree support for dialog regulators
Signed-off-by: Ying-Chun Liu (PaulLiu) paul.liu@linaro.org Cc: Mark Brown broonie@opensource.wolfsonmicro.com Cc: Liam Girdwood lrg@ti.com Cc: Samuel Ortiz sameo@linux.intel.com Cc: Shawn Guo shawn.guo@linaro.org Cc: Ashish Jangam ashish.jangam@kpitcummins.com --- drivers/regulator/da9052-regulator.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index b6c8c4b..2678cbe 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -19,6 +19,9 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#ifdef CONFIG_OF +#include <linux/regulator/of_regulator.h> +#endif
#include <linux/mfd/da9052/da9052.h> #include <linux/mfd/da9052/reg.h> @@ -425,8 +428,32 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev) }
config.dev = &pdev->dev; - config.init_data = pdata->regulators[pdev->id]; config.driver_data = regulator; + if (pdata && pdata->regulators) { + config.init_data = pdata->regulators[pdev->id]; + } else { +#ifdef CONFIG_OF + struct device_node *nproot = da9052->dev->of_node; + struct device_node *np; + + if (!nproot) + return -ENODEV; + + nproot = of_find_node_by_name(nproot, "regulators"); + if (!nproot) + return -ENODEV; + + for (np = of_get_next_child(nproot, NULL); !np; + np = of_get_next_child(nproot, np)) { + if (!of_node_cmp(np->name, + regulator->info->reg_desc.name)) { + config.init_data = of_get_regulator_init_data( + &pdev->dev, np); + break; + } + } +#endif + }
regulator->rdev = regulator_register(®ulator->info->reg_desc, &config);