video: renesas-r69328: add power supplies

Convert enable GPIO into a set of supplies.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>

diff --git a/drivers/video/renesas-r69328.c b/drivers/video/renesas-r69328.c
index 164285e..0954b04 100644 (file)
--- a/drivers/video/renesas-r69328.c
+++ b/drivers/video/renesas-r69328.c
@@ -32,9 +32,11 @@
 #define R69328_POWER_SET       0xD1
 
 struct renesas_r69328_priv {
+       struct udevice *vdd;
+       struct udevice *vddio;
+
        struct udevice *backlight;
 
-       struct gpio_desc enable_gpio;
        struct gpio_desc reset_gpio;
 };
 
@@ -159,10 +161,15 @@ static int renesas_r69328_of_to_plat(struct udevice *dev)
                return ret;
        }
 
-       ret = gpio_request_by_name(dev, "enable-gpios", 0,
-                                  &priv->enable_gpio, GPIOD_IS_OUT);
+       ret = device_get_supply_regulator(dev, "vdd-supply", &priv->vdd);
+       if (ret) {
+               log_err("Cannot get vdd-supply: ret = %d\n", ret);
+               return ret;
+       }
+
+       ret = device_get_supply_regulator(dev, "vddio-supply", &priv->vddio);
        if (ret) {
-               log_err("could not decode enable-gpios (%d)\n", ret);
+               log_err("Cannot get vddio-supply: ret = %d\n", ret);
                return ret;
        }
 
@@ -181,14 +188,21 @@ static int renesas_r69328_hw_init(struct udevice *dev)
        struct renesas_r69328_priv *priv = dev_get_priv(dev);
        int ret;
 
-       ret = dm_gpio_set_value(&priv->enable_gpio, 1);
+       ret = regulator_set_enable_if_allowed(priv->vddio, 1);
        if (ret) {
-               log_debug("%s: error changing enable-gpios (%d)\n",
+               log_debug("%s: enabling vddio-supply failed (%d)\n",
                          __func__, ret);
                return ret;
        }
        mdelay(5);
 
+       ret = regulator_set_enable_if_allowed(priv->vdd, 1);
+       if (ret) {
+               log_debug("%s: enabling vdd-supply failed (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+
        ret = dm_gpio_set_value(&priv->reset_gpio, 1);
        if (ret) {
                log_debug("%s: error entering reset (%d)\n",