[PATCH v2 2/2] arm64: dts: ti: k3-j7200-common-proc-board: Add support for eMMC and SD card

Faiz Abbas faiz_abbas at ti.com
Thu Sep 24 07:26:44 EDT 2020


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 at ti.com>
---
 .../dts/ti/k3-j7200-common-proc-board.dts     | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

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 03c8817e8745..794241ba74cb 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -28,6 +28,19 @@
 			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 {
@@ -112,3 +125,18 @@
 		#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;
+};
-- 
2.17.1




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