arm64: dts: ti: k3-am62a7-sk: Enable eMMC support

Add support for 32GB eMMC card on AM62A7 SK. Includes adding mmc0
pins settings. Add mmc0 alias for sdhci0 in k3-am62a7-sk.dts.

Signed-off-by: Nitin Yadav <n-yadav@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240213235701.2438513-4-jm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index f5ae91bf1bdbb5f175b7d8d885694118934d1455..c99b2e90f76d1706bcdf2fbad181703ce940e53d 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -20,6 +20,7 @@
                serial0 = &wkup_uart0;
                serial2 = &main_uart0;
                serial3 = &main_uart1;
+               mmc0 = &sdhci0;
                mmc1 = &sdhci1;
        };
 
@@ -263,6 +264,22 @@
                >;
        };
 
+       main_mmc0_pins_default: main-mmc0-default-pins {
+               pinctrl-single,pins = <
+                       AM62AX_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
+                       AM62AX_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLKLB */
+                       AM62AX_IOPAD(0x21c, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
+                       AM62AX_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
+                       AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */
+                       AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
+                       AM62AX_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (Y4) MMC0_DAT3 */
+                       AM62AX_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */
+                       AM62AX_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */
+                       AM62AX_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */
+                       AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */
+               >;
+       };
+
        main_mmc1_pins_default: main-mmc1-default-pins {
                pinctrl-single,pins = <
                        AM62AX_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
@@ -550,6 +567,15 @@
        clock-frequency = <400000>;
 };
 
+&sdhci0 {
+       /* eMMC */
+       status = "okay";
+       non-removable;
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_mmc0_pins_default>;
+       disable-wp;
+};
+
 &sdhci1 {
        /* SD/MMC */
        status = "okay";