pinmux: pic32: add SDHCI pin config

The GPIO pins used by the SDHCI controller need to be configured to
allow the interface to work.

Signed-off-by: John Robertson <john.robertson@simiatec.com>

diff --git a/drivers/pinctrl/pinctrl_pic32.c b/drivers/pinctrl/pinctrl_pic32.c
index 911af1297b8af651d79dd14acfde52a6167d80bd..899c279975a677f10e4fa5e1f16c5d7d2e09f176 100644 (file)
--- a/drivers/pinctrl/pinctrl_pic32.c
+++ b/drivers/pinctrl/pinctrl_pic32.c
@@ -222,6 +222,31 @@ static void pic32_eth_pin_config(struct udevice *dev)
        pic32_pinconfig_set(priv, configs, ARRAY_SIZE(configs));
 }
 
+static void pic32_sdhci_pin_config(struct udevice *dev)
+{
+       struct pic32_pinctrl_priv *priv = dev_get_priv(dev);
+       const struct pic32_pin_config configs[] = {
+               /* SDWP - H2 */
+               PIN_CONFIG(PIC32_PORT_H, 2, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDCD - A0 */
+               PIN_CONFIG(PIC32_PORT_A, 0, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDCMD - D4 */
+               PIN_CONFIG(PIC32_PORT_D, 4, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDCK - A6 */
+               PIN_CONFIG(PIC32_PORT_A, 6, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDDATA0 - G13 */
+               PIN_CONFIG(PIC32_PORT_G, 13, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDDATA1 - G12 */
+               PIN_CONFIG(PIC32_PORT_G, 12, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDDATA2 - G14 */
+               PIN_CONFIG(PIC32_PORT_G, 14, PIN_CONFIG_PIC32_DIGITAL),
+               /* SDDATA3 - A7 */
+               PIN_CONFIG(PIC32_PORT_A, 7, PIN_CONFIG_PIC32_DIGITAL),
+       };
+
+       pic32_pinconfig_set(priv, configs, ARRAY_SIZE(configs));
+}
+
 static int pic32_pinctrl_request(struct udevice *dev, int func, int flags)
 {
        struct pic32_pinctrl_priv *priv = dev_get_priv(dev);
@@ -240,6 +265,9 @@ static int pic32_pinctrl_request(struct udevice *dev, int func, int flags)
        case PERIPH_ID_ETH:
                pic32_eth_pin_config(dev);
                break;
+       case PERIPH_ID_SDHCI:
+               pic32_sdhci_pin_config(dev);
+               break;
        default:
                debug("%s: unknown-unhandled case\n", __func__);
                break;