linux-kernel - [PATCH 11/15] ARM: dts: am335x: Guardian: Enable UART port two

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Date:   Fri, 25 Mar 2022 10:06:09 +0000
From:   <Gireesh.Hiremath@...bosch.com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-omap@...r.kernel.org>, <robh+dt@...nel.org>,
        <tony@...mide.com>, <bcousson@...libre.com>
CC:     <sjoerd.simons@...labora.co.uk>, <VinayKumar.Shettar@...bosch.com>,
        <Govindaraji.Sivanantham@...bosch.com>,
        <anaclaudia.dias@...bosch.com>, <Gireesh.Hiremath@...bosch.com>
Subject: [PATCH 11/15] ARM: dts: am335x: Guardian: Enable UART port two

From: Gireesh Hiremath <Gireesh.Hiremath@...bosch.com>

* Add support for uart2 port

Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath@...bosch.com>
---
 arch/arm/boot/dts/am335x-guardian.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts
index fab844815065..9f60f5430f36 100644
--- a/arch/arm/boot/dts/am335x-guardian.dts
+++ b/arch/arm/boot/dts/am335x-guardian.dts
@@ -383,6 +383,12 @@
 	status = "okay";
 };
 
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+	status = "okay";
+};
+
 &usb0 {
 	dr_mode = "peripheral";
 };
@@ -582,6 +588,15 @@
 		>;
 	};
 
+	uart2_pins: pinmux_uart2_pins {
+		pinctrl-single,pins = <
+			/* K18 uart2_rxd.mirx_txd */
+			AM33XX_IOPAD(0x92c, PIN_INPUT_PULLUP | MUX_MODE1)
+			/* L18 uart2_txd.mirx_rxd */
+			AM33XX_IOPAD(0x930, PIN_OUTPUT_PULLDOWN | MUX_MODE1)
+		>;
+	};
+
 	nandflash_pins: pinmux_nandflash_pins {
 		pinctrl-single,pins = <
 			/* (U7) gpmc_ad0.gpmc_ad0 */
-- 
2.20.1