arch: arm64: imx8qm: add lpi2c and intmux for CM41 subsystem

Add lpi2c and intmux for CM41 subsystem.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>

3 files changed, 95 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm41.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm41.dtsi
new file mode 100644
index 000000000000..19c38af5563c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm41.dtsi
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ *	Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+cm41_subsys: bus@38000000 {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x38000000 0x0 0x38000000 0x4000000>;
+
+	cm41_ipg_clk: clock-cm41-ipg {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <132000000>;
+		clock-output-names = "cm41_ipg_clk";
+	};
+
+	cm41_i2c: i2c@3b230000 {
+		compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
+		reg = <0x3b230000 0x1000>;
+		interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&cm41_intmux>;
+		clocks = <&cm41_i2c_lpcg 0>,
+			 <&cm41_i2c_lpcg 1>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_M4_1_I2C IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <24000000>;
+		power-domains = <&pd IMX_SC_R_M4_1_I2C>;
+		status = "disabled";
+	};
+
+	cm41_i2c_lpcg: clock-controller@3b630000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x3b630000 0x1000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_M4_1_I2C IMX_SC_PM_CLK_PER>,
+			 <&cm41_ipg_clk>;
+		bit-offset = <0 16>;
+		clock-output-names = "cm41_lpcg_i2c_clk",
+				     "cm41_lpcg_i2c_ipg_clk";
+		power-domains = <&pd IMX_SC_R_M4_1_I2C>;
+	};
+
+	cm41_intmux: intmux@3b400000 {
+		compatible = "nxp,imx8qxp-intmux", "nxp,imx-intmux";
+		reg = <0x3b400000 0x1000>;
+		interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+		interrupt-parent = <&gic>;
+		#interrupt-cells = <2>;
+		clocks = <&cm41_ipg_clk>;
+		clock-names = "ipg";
+		power-domains = <&pd IMX_SC_R_M4_1_INTMUX>;
+		status = "disabled";
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 2de380e535fe..9bb4f01567d4 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -108,6 +108,26 @@
 	};
 };
 
+&cm41_i2c {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_cm41_i2c>;
+	status = "okay";
+
+	pca6416: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&cm41_intmux {
+	status = "okay";
+};
+
 &lpuart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_lpuart0>;
@@ -334,6 +354,13 @@
 };
 
 &iomuxc {
+	pinctrl_cm41_i2c: cm41i2cgrp {
+		fsl,pins = <
+			IMX8QM_M41_I2C0_SDA_M41_I2C0_SDA			0x0600004c
+			IMX8QM_M41_I2C0_SCL_M41_I2C0_SCL			0x0600004c
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8QM_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB_PAD		0x000014a0
diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
index f8c7979316a2..c602b8e481fb 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
@@ -375,6 +375,7 @@
 	};
 
 	/* sorted in register address */
+	#include "imx8-ss-cm41.dtsi"
 	#include "imx8-ss-adma.dtsi"
 	#include "imx8-ss-conn.dtsi"
 	#include "imx8-ss-lsio.dtsi"