linux-kernel - [PATCHv4 6/6] arm64: dts: ti: Add eMMC support for AM62D

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Message-ID: <20250623141253.3519546-7-p-bhagat@ti.com>
Date: Mon, 23 Jun 2025 19:42:53 +0530
From: Paresh Bhagat <p-bhagat@...com>
To: <nm@...com>, <vigneshr@...com>, <praneeth@...com>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <khasim@...com>, <v-singh1@...com>, <afd@...com>, <bb@...com>,
        <devarsht@...com>
Subject: [PATCHv4 6/6] arm64: dts: ti: Add eMMC support for AM62D

Add the necessary device tree node for eMMC controller along with the
required pinmux configuration.

Signed-off-by: Paresh Bhagat <p-bhagat@...com>
---
 arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
index c98e4c98c956..5ceecdd68b3f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
@@ -20,6 +20,7 @@ aliases {
 		serial0 = &wkup_uart0;
 		serial1 = &mcu_uart0;
 		serial2 = &main_uart0;
+		mmc0 = &sdhci0;
 		mmc1 = &sdhci1;
 		rtc0 = &wkup_rtc0;
 		ethernet0 = &cpsw_port1;
@@ -226,6 +227,22 @@ AM62DX_IOPAD(0x00b4, PIN_INPUT_PULLUP, 1) /* (M20) GPMC0_CSn3.I2C2_SDA */
 		>;
 	};
 
+	main_mmc0_pins_default: main-mmc0-default-pins {
+		pinctrl-single,pins = <
+			AM62DX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y6) MMC0_CMD */
+			AM62DX_IOPAD(0x0218, PIN_OUTPUT, 0) /* (AB7) MMC0_CLK */
+			AM62DX_IOPAD(0x0214, PIN_INPUT_PULLUP, 0) /* (AA6) MMC0_DAT0 */
+			AM62DX_IOPAD(0x0210, PIN_INPUT_PULLUP, 0) /* (AB6) MMC0_DAT1 */
+			AM62DX_IOPAD(0x020c, PIN_INPUT_PULLUP, 0) /* (Y7) MMC0_DAT2 */
+			AM62DX_IOPAD(0x0208, PIN_INPUT_PULLUP, 0) /* (AA7) MMC0_DAT3 */
+			AM62DX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (Y8) MMC0_DAT4 */
+			AM62DX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (W7) MMC0_DAT5 */
+			AM62DX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (W9) MMC0_DAT6 */
+			AM62DX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (AB8) MMC0_DAT7 */
+		>;
+		bootph-all;
+	};
+
 	main_mmc1_pins_default: main-mmc1-default-pins {
 		pinctrl-single,pins = <
 			AM62DX_IOPAD(0x023c, PIN_INPUT, 0) /* (C21) MMC1_CMD */
@@ -397,6 +414,16 @@ &main_i2c2 {
 	clock-frequency = <400000>;
 };
 
+&sdhci0 {
+	/* eMMC */
+	bootph-all;
+	status = "okay";
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mmc0_pins_default>;
+	disable-wp;
+};
+
 &sdhci1 {
 	/* SD/MMC */
 	status = "okay";
-- 
2.34.1