diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2013-08-06 15:29:18 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:39:34 -0700 |
| commit | 1c9a121ff05c8a03a2c387c3b2c14081e7494d70 (patch) | |
| tree | ff724bae47ad0e5107428c825f33608607ee90ea /drivers/regulator | |
| parent | 786997285942b7b4a149adab6e1d3c1fcde72014 (diff) | |
regulator: tps51632: add support for GPIO to control rails
The TPS51632 regulator is externally controlled by default and
this can be connected to the GPIO on some system.
Add support to pass the GPIO number to control the rail through
GPIOs.
Change-Id: I602a6a3e5c489b54dc9ead75476429c0d44f76d0
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/258664
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/tps51632-regulator.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index f91ede3562f8..a30e9861d566 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c @@ -26,6 +26,7 @@ #include <linux/err.h> #include <linux/i2c.h> #include <linux/init.h> +#include <linux/gpio.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> @@ -385,7 +386,13 @@ static int tps51632_probe(struct i2c_client *client, config.driver_data = tps; config.regmap = tps->regmap; config.of_node = client->dev.of_node; - + if (pdata->ena_gpio) { + config.ena_gpio = pdata->ena_gpio; + config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH; + } else { + config.ena_gpio = -EINVAL; + config.ena_gpio_flags = 0; + } rdev = regulator_register(&tps->desc, &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "regulator register failed\n"); |