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.schwer...@disruptive-technologies.com>
---
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..617a553a5d 100644
--- a/drivers/power/regulator/gpio-regulator.c
+++ b/drivers/power/regulator/gpio-regulator.c
@@ -4,6 +4,7 @@
* Keerthy <j-keer...@ti.com>
*/
+#include "common-regulator.h"
#include <common.h>
#include <fdtdec.h>
#include <errno.h>
@@ -18,6 +19,7 @@
DECLARE_GLOBAL_DATA_PTR;
struct gpio_regulator_platdata {
+ struct common_regulator_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 common_regulator_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 common_regulator_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 common_regulator_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[] = {
--
2.17.1
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