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pinmux: pic32: add SDHCI pin config

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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>
This commit is contained in:
John Robertson 2020-09-01 02:55:26 +00:00 • committed by Daniel Schwierzeck
parent 6978db36aa
commit 10d65bf00b
1 changed files with 28 additions and 0 deletions

28
drivers/pinctrl/pinctrl_pic32.c
View file

@ -222,6 +222,31 @@ static void pic32_eth_pin_config(struct udevice *dev)
pic32_pinconfig_set(priv, configs, ARRAY_SIZE(configs)); 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) static int pic32_pinctrl_request(struct udevice *dev, int func, int flags)
{ {
struct pic32_pinctrl_priv *priv = dev_get_priv(dev); 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: case PERIPH_ID_ETH:
pic32_eth_pin_config(dev); pic32_eth_pin_config(dev);
break; break;
case PERIPH_ID_SDHCI:
pic32_sdhci_pin_config(dev);
break;
default: default:
debug("%s: unknown-unhandled case\n", __func__); debug("%s: unknown-unhandled case\n", __func__);
break; break;