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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>,
        <conor+dt@kernel.org>, <m-chawdhry@ti.com>, <n-francis@ti.com>
CC:     Udit Kumar <u-kumar1@ti.com>
Subject: [v4 4/6] arm64: dts: ti: k3-j7200-common-proc-board: Add uart pinmux
Date:   Sun, 11 Jun 2023 16:41:38 +0530
Message-ID: <20230611111140.3189111-5-u-kumar1@ti.com>
In-Reply-To: <20230611111140.3189111-1-u-kumar1@ti.com>
References: <20230611111140.3189111-1-u-kumar1@ti.com>
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Add main, mcu, wakeup domain  uart0 pin mux into common board file and it's
reference to uart node.

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
---
 .../dts/ti/k3-j7200-common-proc-board.dts     | 58 ++++++++++++++++++-
 1 file changed, 57 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 31b6501443b4..5569d48b900c 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 = <
@@ -106,6 +124,29 @@ J721E_WKUP_IOPAD(0x0030, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
 };
 
 &main_pmx0 {
+	main_uart0_pins_default: main-uart0-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0xb0, PIN_INPUT, 0) /* (T16) UART0_RXD */
+			J721E_IOPAD(0xb4, PIN_OUTPUT, 0) /* (T17) UART0_TXD */
+			J721E_IOPAD(0xc0, PIN_INPUT, 2) /* (W3) SPI0_CS0.UART0_CTSn */
+			J721E_IOPAD(0xc4, PIN_OUTPUT, 2) /* (U5) SPI0_CS1.UART0_RTSn */
+		>;
+	};
+
+	main_uart1_pins_default: main-uart1-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0xb8, PIN_INPUT, 0) /* (T18) UART1_RXD */
+			J721E_IOPAD(0xbc, PIN_INPUT, 0) /* (T20) UART1_TXD */
+		>;
+	};
+
+	main_uart3_pins_default: main-uart3-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x60, PIN_INPUT, 11) /* (T15) MCAN8_TX.UART3_CTSn */
+			J721E_IOPAD(0x30, PIN_INPUT, 11) /* (Y18) MCAN2_TX.UART3_RXD */
+		>;
+	};
+
 	main_i2c1_pins_default: main-i2c1-pins-default {
 		pinctrl-single,pins = <
 			J721E_IOPAD(0xdc, PIN_INPUT_PULLUP, 3) /* (U3) ECAP0_IN_APWM_OUT.I2C1_SCL */
@@ -144,22 +185,30 @@ J721E_IOPAD(0x04, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */
 &wkup_uart0 {
 	/* Wakeup UART is used by System firmware */
 	status = "reserved";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_uart0_pins_default>;
 };
 
 &mcu_uart0 {
 	status = "okay";
-	/* Default pinmux */
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_uart0_pins_default>;
+	clock-frequency = <96000000>;
 };
 
 &main_uart0 {
 	status = "okay";
 	/* Shared with ATF on this platform */
 	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart0_pins_default>;
 };
 
 &main_uart1 {
 	status = "okay";
 	/* Default pinmux */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart1_pins_default>;
 };
 
 &main_uart2 {
@@ -167,6 +216,13 @@ &main_uart2 {
 	status = "reserved";
 };
 
+&main_uart3 {
+	/* Shared with MCAN Interface */
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart3_pins_default>;
+};
+
 &main_gpio2 {
 	status = "disabled";
 };
-- 
2.34.1