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Date:   Mon, 17 Feb 2020 11:19:19 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        Anson.Huang@....com, leonard.crestez@....com,
        daniel.baluta@....com, aisheng.dong@....com, peng.fan@....com,
        fugang.duan@....com, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Joakim Zhang <qiangqing.zhang@....com>
Subject: [PATCH 5/7] arch: arm64: dts: imx8qxp: add device node for I2C and INTMUX in CM40 SS

Add device node for I2C and INTMUX in CM40 SS.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 27 +++++++++++
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi    | 47 +++++++++++++++++++
 2 files changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index d3d26cca7d52..f88402ee650c 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -30,6 +30,26 @@
 	};
 };
 
+&cm40_i2c {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_cm40_i2c>;
+	status = "okay";
+
+	pca6416: gpio@20 {
+		compatible = "nxp,pca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&cm40_intmux {
+	status = "okay";
+};
+
 &adma_lpuart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_lpuart0>;
@@ -161,6 +181,13 @@
 };
 
 &iomuxc {
+	pinctrl_cm40_i2c: cm40i2cgrp {
+		fsl,pins = <
+			IMX8QXP_ADC_IN1_M40_I2C0_SDA                            0x0600004c
+			IMX8QXP_ADC_IN0_M40_I2C0_SCL                            0x0600004c
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8QXP_ENET0_MDC_CONN_ENET0_MDC			0x06000020
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index fb5f752b15fe..cd10519eced7 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -213,6 +213,53 @@
 		clock-output-names = "xtal_24MHz";
 	};
 
+	cm40_subsys: bus@...00000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x34000000 0x0 0x34000000 0x4000000>;
+
+		cm40_lpcg: clock-controller@...d0000 {
+			compatible = "fsl,imx8qxp-lpcg-cm40";
+			reg = <0x375d0000 0x70000>;
+			#clock-cells = <1>;
+		};
+
+		cm40_i2c: i2c@...30000 {
+			compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
+			reg = <0x37230000 0x1000>;
+			interrupts = <9 0>;
+			interrupt-parent = <&cm40_intmux>;
+			clocks = <&cm40_lpcg IMX_CM40_LPCG_I2C_CLK>,
+				 <&cm40_lpcg IMX_CM40_LPCG_I2C_IPG_CLK>;
+			clock-names = "per", "ipg";
+			assigned-clocks = <&clk IMX_CM40_I2C_CLK>;
+			assigned-clock-rates = <24000000>;
+			power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+			status = "disabled";
+		};
+
+		cm40_intmux: intmux@...00000 {
+			compatible = "fsl,imx-intmux";
+			reg = <0x37400000 0x1000>;
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			interrupt-parent = <&gic>;
+			#interrupt-cells = <2>;
+			clocks = <&clk IMX_CM40_IPG_CLK>;
+			clock-names = "ipg";
+			power-domains = <&pd IMX_SC_R_M4_0_INTMUX>;
+			status = "disabled";
+		};
+	};
+
 	adma_subsys: bus@...00000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.17.1

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