linux-kernel - [PATCH 04/10] arm64: dts: ti: k3-am642-sk: Describe main

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Message-ID: <20230414073328.381336-5-nm@ti.com>
Date:   Fri, 14 Apr 2023 02:33:22 -0500
From:   Nishanth Menon <nm@...com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tero Kristo <kristo@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Nishanth Menon <nm@...com>,
        Neha Malcom Francis <n-francis@...com>,
        Nikhil M Jain <n-jain1@...com>, Tom Rini <trini@...sulko.com>
Subject: [PATCH 04/10] arm64: dts: ti: k3-am642-sk: Describe main_uart1 pins

Describe the main_uart1 pins even though it is a reserved node for
hardware complete description. This is used by other users of device
tree to help configure the SoC per board requirements.

Signed-off-by: Nishanth Menon <nm@...com>
---
 arch/arm64/boot/dts/ti/k3-am642-sk.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 3e16942c0add..da4121b2e2c6 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -245,6 +245,15 @@ AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */
 		>;
 	};
 
+	main_uart1_pins_default: main-uart1-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0248, PIN_INPUT, 0) /* (D16) UART1_CTSn */
+			AM64X_IOPAD(0x024c, PIN_OUTPUT, 0) /* (E16) UART1_RTSn */
+			AM64X_IOPAD(0x0240, PIN_INPUT, 0) /* (E15) UART1_RXD */
+			AM64X_IOPAD(0x0244, PIN_OUTPUT, 0) /* (E14) UART1_TXD */
+		>;
+	};
+
 	main_usb0_pins_default: main-usb0-pins-default {
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
@@ -355,6 +364,8 @@ &main_uart0 {
 &main_uart1 {
 	/* main_uart1 is reserved for firmware usage */
 	status = "reserved";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart1_pins_default>;
 };
 
 &main_i2c0 {
-- 
2.40.0