diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-06-07 17:11:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonielinaro.org> | 2013-06-11 12:50:00 +0100 |
| commit | 30aa4b26c00f5c5ae6081f85e7adca47dcb24e29 (patch) | |
| tree | 9eb7873d961c2dca6f2ac926fd2cef2835e63aba /drivers/regulator | |
| parent | 5a49b4a527e5b72ae3a4f64f078759f83fbd98b5 (diff) | |
| download | linux-30aa4b26c00f5c5ae6081f85e7adca47dcb24e29.tar.bz2 | |
regulator: ab8500-ext: Enable for Device Tree
Here we use the OF regulator match facility to collect and populate
initialisation data from Device Tree if we're booting with it enabled.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonielinaro.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/ab8500-ext.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c index 95f495f51d00..4137a2fe42c3 100644 --- a/drivers/regulator/ab8500-ext.c +++ b/drivers/regulator/ab8500-ext.c @@ -16,9 +16,11 @@ #include <linux/kernel.h> #include <linux/err.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/regulator/ab8500.h> @@ -333,18 +335,37 @@ static struct ab8500_ext_regulator_info }, }; +static struct of_regulator_match ab8500_ext_regulator_match[] = { + { .name = "ab8500_ext1", .driver_data = (void *) AB8500_EXT_SUPPLY1, }, + { .name = "ab8500_ext2", .driver_data = (void *) AB8500_EXT_SUPPLY2, }, + { .name = "ab8500_ext3", .driver_data = (void *) AB8500_EXT_SUPPLY3, }, +}; + int ab8500_ext_regulator_probe(struct platform_device *pdev) { struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); struct ab8500_platform_data *ppdata; struct ab8500_regulator_platform_data *pdata; + struct device_node *np = pdev->dev.of_node; struct regulator_config config = { }; int i, err; + if (np) { + err = of_regulator_match(&pdev->dev, np, + ab8500_ext_regulator_match, + ARRAY_SIZE(ab8500_ext_regulator_match)); + if (err < 0) { + dev_err(&pdev->dev, + "Error parsing regulator init data: %d\n", err); + return err; + } + } + if (!ab8500) { dev_err(&pdev->dev, "null mfd parent\n"); return -EINVAL; } + ppdata = dev_get_platdata(ab8500->dev); if (!ppdata) { dev_err(&pdev->dev, "null parent pdata\n"); @@ -385,8 +406,11 @@ int ab8500_ext_regulator_probe(struct platform_device *pdev) pdata->ext_regulator[i].driver_data; config.dev = &pdev->dev; - config.init_data = &pdata->ext_regulator[i]; config.driver_data = info; + config.of_node = ab8500_ext_regulator_match[i].of_node; + config.init_data = (np) ? + ab8500_ext_regulator_match[i].init_data : + &pdata->ext_regulator[i]; /* register regulator with framework */ info->rdev = regulator_register(&info->desc, &config); |