linux-kernel - [PATCH v1 3/9] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support

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Message-ID: <20240207225526.3953230-4-jm@ti.com>
Date: Wed, 7 Feb 2024 16:55:20 -0600
From: Judith Mendez <jm@...com>
To: Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 3/9] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support

From: Nitin Yadav <n-yadav@...com>

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@...com>
Signed-off-by: Judith Mendez <jm@...com>
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 26 +++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index f5ae91bf1bdb..c99b2e90f76d 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -20,6 +20,7 @@ aliases {
 		serial0 = &wkup_uart0;
 		serial2 = &main_uart0;
 		serial3 = &main_uart1;
+		mmc0 = &sdhci0;
 		mmc1 = &sdhci1;
 	};
 
@@ -263,6 +264,22 @@ AM62AX_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
 		>;
 	};
 
+	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 @@ &main_i2c2 {
 	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";
-- 
2.43.0