commit 532344bd28d0dd8d3a0fda803d129dd19e559bee
Author: mian.deng <mian.deng@hirain.com>
Date:   Wed May 6 15:12:26 2026 +0800

    <feat>(all):suupport KeWei HW V1.0

diff --git a/dts/upstream/src/arm64/ti/k3-j784s4-j742s2-evm-common.dtsi b/dts/upstream/src/arm64/ti/k3-j784s4-j742s2-evm-common.dtsi
index bc5eec76..7cca4233 100644
--- a/dts/upstream/src/arm64/ti/k3-j784s4-j742s2-evm-common.dtsi
+++ b/dts/upstream/src/arm64/ti/k3-j784s4-j742s2-evm-common.dtsi
@@ -16,7 +16,8 @@
 	aliases {
 		serial0 = &wkup_uart0;
 		serial1 = &mcu_uart0;
-		serial2 = &main_uart8;
+		//serial2 = &main_uart8;
+		serial2 = &main_uart9;
 		mmc0 = &main_sdhci0;
 		mmc1 = &main_sdhci1;
 		i2c0 = &wkup_i2c0;
@@ -404,10 +405,18 @@
 		>;
 	};
 
-	main_i2c5_pins_default: main-i2c5-default-pins {
+	//main_i2c5_pins_default: main-i2c5-default-pins {
+	//	pinctrl-single,pins = <
+	//		J784S4_IOPAD(0x01c, PIN_INPUT, 8) /* (AG34) MCAN15_TX.I2C5_SCL */
+	//		J784S4_IOPAD(0x018, PIN_INPUT, 8) /* (AK36) MCAN14_RX.I2C5_SDA */
+	//	>;
+	//};
+
+	main_uart9_pins_default: main_uart9-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
-			J784S4_IOPAD(0x01c, PIN_INPUT, 8) /* (AG34) MCAN15_TX.I2C5_SCL */
-			J784S4_IOPAD(0x018, PIN_INPUT, 8) /* (AK36) MCAN14_RX.I2C5_SDA */
+			J742S2_IOPAD(0x01c, PIN_INPUT, 11) /* (R29) MCAN15_TX.UART9_RXD */
+			J742S2_IOPAD(0x018, PIN_OUTPUT, 11) /* (R30) MCAN14_RX.UART9_TXD */
 		>;
 	};
 
@@ -806,6 +815,13 @@
 	pinctrl-0 = <&main_uart8_pins_default>;
 };
 
+&main_uart9 {
+	bootph-all;
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart9_pins_default>;
+};
+
 &ufs_wrapper {
 	status = "okay";
 };
@@ -1068,9 +1084,9 @@
 
 &main_i2c5 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&main_i2c5_pins_default>;
+	//pinctrl-0 = <&main_i2c5_pins_default>;
 	clock-frequency = <400000>;
-	status = "okay";
+	status = "disabled";
 
 	exp5: gpio@20 {
 		compatible = "ti,tca6408";