diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2014-04-16 13:01:39 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-18 21:35:06 +0400 |
| commit | 2cce4be9e6b885c595816c45a80bcce95dae6d30 (patch) | |
| tree | 242189876aeb776e3820eb94f8a725c09eaa9187 /drivers/regulator/arizona-ldo1.c | |
| parent | 4a8c475f5fd5c1271dba36a453d666d5ed473aa6 (diff) | |
| download | linux-2cce4be9e6b885c595816c45a80bcce95dae6d30.tar.xz | |
regulator: arizona-ldo1: Add processing of init_data from device tree
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator/arizona-ldo1.c')
| -rw-r--r-- | drivers/regulator/arizona-ldo1.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 2248733ea394..d3787e11f535 100644 --- a/drivers/regulator/arizona-ldo1.c +++ b/drivers/regulator/arizona-ldo1.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> #include <linux/gpio.h> #include <linux/slab.h> @@ -178,12 +179,39 @@ static const struct regulator_init_data arizona_ldo1_default = { .num_consumer_supplies = 1, }; -static int arizona_ldo1_of_get_pdata(struct arizona *arizona) +static int arizona_ldo1_of_get_pdata(struct arizona *arizona, + struct regulator_config *config) { struct arizona_pdata *pdata = &arizona->pdata; + struct arizona_ldo1 *ldo1 = config->driver_data; + struct device_node *init_node, *dcvdd_node; + struct regulator_init_data *init_data; pdata->ldoena = arizona_of_get_named_gpio(arizona, "wlf,ldoena", true); + init_node = of_get_child_by_name(arizona->dev->of_node, "ldo1"); + dcvdd_node = of_parse_phandle(arizona->dev->of_node, "DCVDD-supply", 0); + + if (init_node) { + config->of_node = init_node; + + init_data = of_get_regulator_init_data(arizona->dev, init_node); + + if (init_data) { + init_data->consumer_supplies = &ldo1->supply; + init_data->num_consumer_supplies = 1; + + if (dcvdd_node && dcvdd_node != init_node) + arizona->external_dcvdd = true; + + pdata->ldo1 = init_data; + } + } else if (dcvdd_node) { + arizona->external_dcvdd = true; + } + + of_node_put(dcvdd_node); + return 0; } @@ -230,7 +258,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev) if (IS_ENABLED(CONFIG_OF)) { if (!dev_get_platdata(arizona->dev)) { - ret = arizona_ldo1_of_get_pdata(arizona); + ret = arizona_ldo1_of_get_pdata(arizona, &config); if (ret < 0) return ret; } @@ -258,6 +286,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev) return ret; } + of_node_put(config.of_node); + platform_set_drvdata(pdev, ldo1); return 0; |