arm64: dts: ti: k3-j7200-common-proc-board: Add support for eMMC and SD card

Add support for the eMMC and SD card connected on the common
processor board

sdhci0 is connected to an eMMC while sdhci1 is connected to the
micro SD slot.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Link: https://lore.kernel.org/r/20200924112644.11076-3-faiz_abbas@ti.com

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index c71b8ec..1541311 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -55,6 +55,19 @@
                        J721E_IOPAD(0xe0, PIN_INPUT_PULLUP, 3) /* (T3) EXT_REFCLK1.I2C1_SDA */
                >;
        };
+
+       main_mmc1_pins_default: main-mmc1-pins-default {
+               pinctrl-single,pins = <
+                       J721E_IOPAD(0x104, PIN_INPUT, 0) /* (M20) MMC1_CMD */
+                       J721E_IOPAD(0x100, PIN_INPUT, 0) /* (P21) MMC1_CLK */
+                       J721E_IOPAD(0xfc, PIN_INPUT, 0) /* (P25) MMC1_CLKLB */
+                       J721E_IOPAD(0xf8, PIN_INPUT, 0) /* (M19) MMC1_DAT0 */
+                       J721E_IOPAD(0xf4, PIN_INPUT, 0) /* (N21) MMC1_DAT1 */
+                       J721E_IOPAD(0xf0, PIN_INPUT, 0) /* (N20) MMC1_DAT2 */
+                       J721E_IOPAD(0xec, PIN_INPUT, 0) /* (N19) MMC1_DAT3 */
+                       J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */
+               >;
+       };
 };
 
 &wkup_uart0 {
@@ -157,3 +170,18 @@
                #gpio-cells = <2>;
        };
 };
+
+&main_sdhci0 {
+       /* eMMC */
+       non-removable;
+       ti,driver-strength-ohm = <50>;
+       disable-wp;
+};
+
+&main_sdhci1 {
+       /* SD card */
+       pinctrl-0 = <&main_mmc1_pins_default>;
+       pinctrl-names = "default";
+       ti,driver-strength-ohm = <50>;
+       disable-wp;
+};