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 ---
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;