From: Carlos Song <carlos.song@nxp.com>
Date: Wed, 28 May 2025 01:58:33 +0000 (+0800)
Subject: arm64: dts: imx943-evk: add lpi2c support
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1bb57ed1b450a7c82f36e25dae3d16418c2c5765;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: imx943-evk: add lpi2c support

Add lpi2c and i2c-mux support for imx943 evk board.

Signed-off-by: Carlos Song <carlos.song@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
index cc8f3e6a17890..a566b9d8b8139 100644
--- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
@@ -12,6 +12,9 @@
 	model = "NXP i.MX943 EVK board";
 
 	aliases {
+		i2c2 = &lpi2c3;
+		i2c3 = &lpi2c4;
+		i2c5 = &lpi2c6;
 		mmc0 = &usdhc1;
 		mmc1 = &usdhc2;
 		serial0 = &lpuart1;
@@ -53,6 +56,113 @@
 	};
 };
 
+&lpi2c3 {
+	clock-frequency = <400000>;
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	pca9548_i2c3: i2c-mux@77 {
+		compatible = "nxp,pca9548";
+		reg = <0x77>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@2 {
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@3 {
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@4 {
+			reg = <4>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@5 {
+			reg = <5>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@6 {
+			reg = <6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@7 {
+			reg = <7>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+};
+
+&lpi2c4 {
+	clock-frequency = <400000>;
+	pinctrl-0 = <&pinctrl_lpi2c4>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&lpi2c6 {
+	clock-frequency = <400000>;
+	pinctrl-0 = <&pinctrl_lpi2c6>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	pca9544_i2c6: i2c-mux@77 {
+		compatible = "nxp,pca9544";
+		reg = <0x77>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@2 {
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@3 {
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+};
+
 &lpuart1 {
 	pinctrl-0 = <&pinctrl_uart1>;
 	pinctrl-names = "default";
@@ -60,6 +170,28 @@
 };
 
 &scmi_iomuxc {
+
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			IMX94_PAD_GPIO_IO16__LPI2C3_SDA		0x40000b9e
+			IMX94_PAD_GPIO_IO17__LPI2C3_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c4: lpi2c4grp {
+		fsl,pins = <
+			IMX94_PAD_GPIO_IO18__LPI2C4_SDA		0x40000b9e
+			IMX94_PAD_GPIO_IO19__LPI2C4_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c6: lpi2c6grp {
+		fsl,pins = <
+			IMX94_PAD_GPIO_IO29__LPI2C6_SDA		0x40000b9e
+			IMX94_PAD_GPIO_IO28__LPI2C6_SCL		0x40000b9e
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			IMX94_PAD_UART1_TXD__LPUART1_TX		0x31e