Messages in this thread Patch in this message | | | From | "Ying-Chun Liu (PaulLiu)" <> | Subject | [PATCH v2 2/2] regulator: da9052: add device tree support | Date | Fri, 13 Apr 2012 21:37:41 +0800 |
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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); -- 1.7.9.5
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