linux-kernel - [PATCH v3 2/2] arm64: dts: ti: k3-am654-base-board: Add eMMC Support

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Message-ID: <20190117094424.7683-3-faiz_abbas@ti.com>
Date:   Thu, 17 Jan 2019 15:14:24 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <mark.rutland@....com>, <robh+dt@...nel.org>, <nm@...com>,
        <t-kristo@...com>, <faiz_abbas@...com>
Subject: [PATCH v3 2/2] arm64: dts: ti: k3-am654-base-board: Add eMMC Support

On the am654x-evm, sdhci0 node is connected to an eMMC. Add node and
pinmux for the same.

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
Acked-by: Nishanth Menon <nm@...com>
---
 .../arm64/boot/dts/ti/k3-am654-base-board.dts | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index e41fc3a5987b..11e9a2a43dfc 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -69,6 +69,23 @@
 			AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */
 		>;
 	};
+
+	main_mmc0_pins_default: main-mmc0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0) /* (B25) MMC0_CLK */
+			AM65X_IOPAD(0x01ac, PIN_INPUT_PULLUP, 0) /* (B27) MMC0_CMD */
+			AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0) /* (A26) MMC0_DAT0 */
+			AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0) /* (E25) MMC0_DAT1 */
+			AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0) /* (C26) MMC0_DAT2 */
+			AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0) /* (A25) MMC0_DAT3 */
+			AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0) /* (E24) MMC0_DAT4 */
+			AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0) /* (A24) MMC0_DAT5 */
+			AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0) /* (B26) MMC0_DAT6 */
+			AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0) /* (D25) MMC0_DAT7 */
+			AM65X_IOPAD(0x01b4, PIN_INPUT_PULLUP, 0) /* (A23) MMC0_SDCD */
+			AM65X_IOPAD(0x01b0, PIN_INPUT, 0) /* (C25) MMC0_DS */
+		>;
+	};
 };
 
 &main_pmx1 {
@@ -163,3 +180,11 @@
 		#size-cells= <1>;
 	};
 };
+
+&sdhci0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mmc0_pins_default>;
+	bus-width = <8>;
+	non-removable;
+	ti,driver-strength-ohm = <50>;
+};
-- 
2.19.2