On Mon, 24 Jun 2019 13:03:34 +0200
s...@svenschwermer.de wrote:
> From: Sven Schwermer <s...@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 <s...@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-keer...@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[] = {Reviewed-by: Lukasz Majewski <lu...@denx.de> Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lu...@denx.de
pgpPmIuaE7l2r.pgp
Description: OpenPGP digital signature
_______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
