linux-kernel - [PATCH] arm64: dts: ti: k3-am642-sk: Add pinmux corresponding to main

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Message-ID: <20220516113417.3516-1-a-govindraju@ti.com>
Date:   Mon, 16 May 2022 17:04:17 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Kishon Vijay Abraham I <kishon@...com>,
        Aswath Govindraju <a-govindraju@...com>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: dts: ti: k3-am642-sk: Add pinmux corresponding to main_uart0

Add pinmux details required for the zeroth instance of main UART.

Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 arch/arm64/boot/dts/ti/k3-am642-sk.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 59f506cbd275..358662f5d10d 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -166,6 +166,15 @@
 		>;
 	};
 
+	main_uart0_pins_default: main-uart0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */
+			AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */
+			AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */
+			AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */
+		>;
+	};
+
 	main_usb0_pins_default: main-usb0-pins-default {
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
@@ -268,6 +277,11 @@
 	status = "disabled";
 };
 
+&main_uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart0_pins_default>;
+};
+
 &main_uart1 {
 	/* main_uart1 is reserved for firmware usage */
 	status = "reserved";
-- 
2.17.1