The GPIO pins used by the SDHCI controller need to be configured to
allow the interface to work.
Signed-off-by: John Robertson <john.robert...@simiatec.com>
---
drivers/pinctrl/pinctrl_pic32.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/pinctrl/pinctrl_pic32.c b/drivers/pinctrl/pinctrl_pic32.c
index 911af1297b..899c279975 100644
--- 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;
--
2.28.0
