From: Fugang Duan <fugang.duan@nxp.com>
Date: Thu, 27 Jul 2017 10:11:22 +0000 (+0800)
Subject: MLK-16095-02 arm64: dts: imx8qxp-mek: enable i2c bus switch PCA9646
X-Git-Tag: C0P2-H0.0--20200415~1975
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=774f0b4d14b3d5e35ce1368837e614c028bb7074;p=linux.git

MLK-16095-02 arm64: dts: imx8qxp-mek: enable i2c bus switch PCA9646

- Enable i2c bus switch PCA9646.
- Enable gpio expander gpio support on MEK board.
- Add i2c1 device sensor in dts file.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
index 8f741cef47a8..f5a864348385 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts
@@ -132,6 +132,19 @@
 			>;
 		};
 
+		pinctrl_isl29023: isl29023grp {
+			fsl,pins = <
+				SC_P_SPI2_SDI_LSIO_GPIO1_IO02	0x00000021
+			>;
+		};
+
+		pinctrl_lpi2c1: lpi1cgrp {
+			fsl,pins = <
+				SC_P_USB_SS3_TC1_ADMA_I2C1_SCL	0x06000020
+				SC_P_USB_SS3_TC3_ADMA_I2C1_SDA	0x06000020
+			>;
+		};
+
 		pinctrl_sai1: sai1grp {
 			fsl,pins = <
 				SC_P_SAI1_RXD_ADMA_SAI1_RXD	0x0600004c
@@ -303,6 +316,85 @@
 	};
 };
 
+&i2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c1>;
+	status = "okay";
+
+	pca9646@71 {
+		compatible = "nxp,pca9646";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x71>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+
+			fxos8700@1e {
+				compatible = "fsl,fxos8700";
+				reg = <0x1e>;
+			};
+
+			fxas2100x@21 {
+				compatible = "fsl,fxas2100x";
+				reg = <0x21>;
+			};
+
+			mpl3115@60 {
+				compatible = "fsl,mpl3115";
+				reg = <0x60>;
+			};
+		};
+
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+
+			pca9557_a: gpio@1a {
+				compatible = "nxp,pca9557";
+				reg = <0x1a>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			pca9557_b: gpio@1d {
+				compatible = "nxp,pca9557";
+				reg = <0x1d>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			isl29023@44 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_isl29023>;
+				compatible = "fsl,isl29023";
+				reg = <0x44>;
+				rext = <499>;
+				interrupt-parent = <&gpio1>;
+				interrupts = <2 2>;
+			};
+		};
+	};
+};
+
 &sai1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai1>;