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From:   Udit Kumar <u-kumar1@ti.com>
To:     <nm@ti.com>, <vigneshr@ti.com>, <kristo@kernel.org>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <m-chawdhry@ti.com>, <n-francis@ti.com>
CC:     Udit Kumar <u-kumar1@ti.com>
Subject: [PATCH 4/5] arm64: dts: ti: k3-j7200: Add uart pin mux in wkup_pmx0
Date:   Wed, 26 Apr 2023 16:02:18 +0530
Message-ID: <20230426103219.1565266-5-u-kumar1@ti.com>
In-Reply-To: <20230426103219.1565266-1-u-kumar1@ti.com>
References: <20230426103219.1565266-1-u-kumar1@ti.com>
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Add uart pin mux of wkup domain into common board file.

Signed-off-by: Udit Kumar <u-kumar1@ti.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 37eb24d69924..2cdfd957dd12 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
@@ -80,6 +80,24 @@ 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 = <
@@ -158,7 +176,9 @@ &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