From: Peng Fan <peng.fan@nxp.com>
Date: Sun, 11 Jan 2026 12:40:09 +0000 (+0800)
Subject: arm64: dts: imx952-evk: Enable I2C[2,3,4,6,7] bus
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7f274333167c9ba3343780d2621f7fa90904657;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: imx952-evk: Enable I2C[2,3,4,6,7] bus

Enable I2C bus[2,3,4,6,7] and the io-expanders connected to each I2C bus.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts
index e5d989bd7c7b7..98f2f96a91cc3 100644
--- a/arch/arm64/boot/dts/freescale/imx952-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts
@@ -17,6 +17,14 @@
 		gpio2 = &gpio3;
 		gpio3 = &gpio4;
 		gpio4 = &gpio5;
+		i2c0 = &lpi2c1;
+		i2c1 = &lpi2c2;
+		i2c2 = &lpi2c3;
+		i2c3 = &lpi2c4;
+		i2c4 = &lpi2c5;
+		i2c5 = &lpi2c6;
+		i2c6 = &lpi2c7;
+		i2c7 = &lpi2c8;
 		mmc0 = &usdhc1;
 		mmc1 = &usdhc2;
 		serial0 = &lpuart1;
@@ -79,6 +87,111 @@
 	};
 };
 
+&lpi2c2 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c2>;
+	status = "okay";
+
+	adp5585: io-expander@34 {
+		compatible = "adi,adp5585-00", "adi,adp5585";
+		reg = <0x34>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-reserved-ranges = <5 1>;
+		#pwm-cells = <3>;
+	};
+};
+
+&lpi2c3 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	status = "okay";
+
+	i2c3_pcal6408: gpio@20 {
+		compatible = "nxp,pcal6408";
+		reg = <0x20>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		vcc-supply = <&reg_3p3v>;
+	};
+};
+
+&lpi2c4 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c4>;
+	status = "okay";
+
+	i2c4_pcal6408: gpio@21 {
+		compatible = "nxp,pcal6408";
+		reg = <0x21>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c4_pcal6408>;
+		vcc-supply = <&reg_3p3v>;
+	};
+};
+
+&lpi2c6 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c6>;
+	status = "okay";
+
+	pcal6416: gpio@21 {
+		compatible = "nxp,pcal6416";
+		#gpio-cells = <2>;
+		gpio-controller;
+		reg = <0x21>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pcal6416>;
+		vcc-supply = <&reg_3p3v>;
+
+		pdm-can-sel-hog {
+			gpio-hog;
+			gpios = <10 GPIO_ACTIVE_HIGH>;
+			output-low;
+		};
+
+		mqs-en-hog {
+			gpio-hog;
+			gpios = <15 GPIO_ACTIVE_HIGH>;
+			output-low;
+		};
+	};
+};
+
+&lpi2c7 {
+	clock-frequency = <1000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c7>;
+	status = "okay";
+
+	pcal6524: gpio@22 {
+		compatible = "nxp,pcal6524";
+		reg = <0x22>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pcal6524>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &lpuart1 {
 	/* console */
 	pinctrl-names = "default";
@@ -112,6 +225,59 @@
 };
 
 &scmi_iomuxc {
+	pinctrl_lpi2c2: lpi2c2grp {
+		fsl,pins = <
+			IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL		0x40000b9e
+			IMX952_PAD_I2C2_SDA__AONMIX_TOP_LPI2C2_SDA		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO00__WAKEUPMIX_TOP_LPI2C3_SDA		0x40000b9e
+			IMX952_PAD_GPIO_IO01__WAKEUPMIX_TOP_LPI2C3_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c4: lpi2c4grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO30__WAKEUPMIX_TOP_LPI2C4_SDA		0x40000b9e
+			IMX952_PAD_GPIO_IO31__WAKEUPMIX_TOP_LPI2C4_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_i2c4_pcal6408: i2c4pcal6408grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO18__WAKEUPMIX_TOP_GPIO2_IO_18		0x31e
+		>;
+	};
+
+	pinctrl_lpi2c6: lpi2c6grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO02__WAKEUPMIX_TOP_LPI2C6_SDA		0x40000b9e
+			IMX952_PAD_GPIO_IO03__WAKEUPMIX_TOP_LPI2C6_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c7: lpi2c7grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO08__WAKEUPMIX_TOP_LPI2C7_SDA		0x40000b9e
+			IMX952_PAD_GPIO_IO09__WAKEUPMIX_TOP_LPI2C7_SCL		0x40000b9e
+		>;
+	};
+
+	pinctrl_pcal6416: pcal6416grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO10__WAKEUPMIX_TOP_GPIO2_IO_10		0x31e
+		>;
+	};
+
+	pinctrl_pcal6524: pcal6524grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO36__WAKEUPMIX_TOP_GPIO5_IO_16		0x31e
+		>;
+	};
+
 	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
 		fsl,pins = <
 			IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7	0x31e