From: Sven Schwermer sven@svenschwermer.de
Drivers need to be able to enable regulators that may be implemented as GPIO regulators. Example: fsl_esdhc enables the vqmmc supply which is commonly implemented as a GPIO regulator in order to switch between I/O voltage levels.
Signed-off-by: Sven Schwermer sven@svenschwermer.de --- drivers/power/regulator/Kconfig | 2 ++ drivers/power/regulator/gpio-regulator.c | 18 +++++++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index e0b8398ef4..bb10d20545 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -120,6 +120,7 @@ config SPL_DM_REGULATOR_FIXED config DM_REGULATOR_GPIO bool "Enable Driver Model for GPIO REGULATOR" depends on DM_REGULATOR && DM_GPIO + select DM_REGULATOR_COMMON ---help--- This config enables implementation of driver-model regulator uclass features for gpio regulators. The driver implements get/set for @@ -128,6 +129,7 @@ config DM_REGULATOR_GPIO config SPL_DM_REGULATOR_GPIO bool "Enable Driver Model for GPIO REGULATOR in SPL" depends on DM_REGULATOR_GPIO && SPL_GPIO_SUPPORT + select SPL_DM_REGULATOR_COMMON ---help--- This config enables implementation of driver-model regulator uclass features for gpio regulators in SPL. diff --git a/drivers/power/regulator/gpio-regulator.c b/drivers/power/regulator/gpio-regulator.c index d18e5d8d2c..ec1dcb64b3 100644 --- a/drivers/power/regulator/gpio-regulator.c +++ b/drivers/power/regulator/gpio-regulator.c @@ -4,6 +4,7 @@ * Keerthy j-keerthy@ti.com */
+#include "regulator_common.h" #include <common.h> #include <fdtdec.h> #include <errno.h> @@ -18,6 +19,7 @@ DECLARE_GLOBAL_DATA_PTR;
struct gpio_regulator_platdata { + struct regulator_common_platdata common; struct gpio_desc gpio; /* GPIO for regulator voltage control */ int states[GPIO_REGULATOR_MAX_STATES]; int voltages[GPIO_REGULATOR_MAX_STATES]; @@ -65,7 +67,7 @@ static int gpio_regulator_ofdata_to_platdata(struct udevice *dev) j++; }
- return 0; + return regulator_common_ofdata_to_platdata(dev, &dev_pdata->common, "enable-gpios"); }
static int gpio_regulator_get_value(struct udevice *dev) @@ -116,9 +118,23 @@ static int gpio_regulator_set_value(struct udevice *dev, int uV) return 0; }
+static int gpio_regulator_get_enable(struct udevice *dev) +{ + struct gpio_regulator_platdata *dev_pdata = dev_get_platdata(dev); + return regulator_common_get_enable(dev, &dev_pdata->common); +} + +static int gpio_regulator_set_enable(struct udevice *dev, bool enable) +{ + struct gpio_regulator_platdata *dev_pdata = dev_get_platdata(dev); + return regulator_common_set_enable(dev, &dev_pdata->common, enable); +} + static const struct dm_regulator_ops gpio_regulator_ops = { .get_value = gpio_regulator_get_value, .set_value = gpio_regulator_set_value, + .get_enable = gpio_regulator_get_enable, + .set_enable = gpio_regulator_set_enable, };
static const struct udevice_id gpio_regulator_ids[] = {