linux-kernel - [PATCH v3 5/5] arm64: dts: ti: k3-j7200-common-proc-board: Add uart pin mux in wkup

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Date:   Sun, 4 Jun 2023 10:25:25 +0530
From:   Udit Kumar <u-kumar1@...com>
To:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <conor+dt@...nel.org>, <m-chawdhry@...com>, <n-francis@...com>
CC:     Udit Kumar <u-kumar1@...com>
Subject: [PATCH v3 5/5] arm64: dts: ti: k3-j7200-common-proc-board: Add uart pin mux in wkup_pmx0

Add uart pin mux of wkup domain into common board file.

Signed-off-by: Udit Kumar <u-kumar1@...com>
---
 .../dts/ti/k3-j7200-common-proc-board.dts     | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index e12d93f56c51..809d1c910015 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -79,6 +79,24 @@ vdd_sd_dv: gpio-regulator-TLV71033 {
 	};
 };
 
+&wkup_pmx0 {
+	mcu_uart0_pins_default: mcu_uart0_pins_default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xf4, PIN_INPUT, 0) /* (D20) MCU_UART0_RXD */
+			J721E_WKUP_IOPAD(0xf0, PIN_OUTPUT, 0) /* (D19) MCU_UART0_TXD */
+			J721E_WKUP_IOPAD(0xf8, PIN_INPUT, 0) /* (E20) MCU_UART0_CTSn */
+			J721E_WKUP_IOPAD(0xfc, PIN_OUTPUT, 0) /* (E21) MCU_UART0_RTSn */
+		>;
+	};
+
+	wkup_uart0_pins_default: wkup_uart0_pins_default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xb0, PIN_INPUT, 0) /* (B14) WKUP_UART0_RXD */
+			J721E_WKUP_IOPAD(0xb4, PIN_OUTPUT, 0) /* (A14) WKUP_UART0_TXD */
+		>;
+	};
+};
+
 &wkup_pmx2 {
 	mcu_cpsw_pins_default: mcu-cpsw-pins-default {
 		pinctrl-single,pins = <
@@ -157,7 +175,9 @@ &wkup_uart0 {
 
 &mcu_uart0 {
 	status = "okay";
-	/* Default pinmux */
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_uart0_pins_default>;
+	clock-frequency = <96000000>;
 };
 
 &main_uart0 {
-- 
2.34.1