regulator: Allow enabling GPIO regulator
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>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
diff --git a/drivers/power/regulator/gpio-regulator.c b/drivers/power/regulator/gpio-regulator.c
index d18e5d8..ec1dcb6 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 @@
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 @@
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[] = {