alistair23-linux/arch/arm64/boot/dts/freescale/imx8mp-evk-rpmsg.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright 2020 NXP
 */

/dts-v1/;

#include "imx8mp-evk.dts"

/ {
	aliases {
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c_rpbus_3;
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		m4_reserved: m4@0x80000000 {
			no-map;
			reg = <0 0x80000000 0 0x1000000>;
		};

		vdev0vring0: vdev0vring0@55000000 {
			compatible = "shared-dma-pool";
			reg = <0 0x55000000 0 0x8000>;
			no-map;
		};

		vdev0vring1: vdev0vring1@55008000 {
			compatible = "shared-dma-pool";
			reg = <0 0x55008000 0 0x8000>;
			no-map;
		};
		vdevbuffer: vdevbuffer@55400000 {
			compatible = "shared-dma-pool";
			reg = <0 0x55400000 0 0x100000>;
			no-map;
		};

		audio_reserved: audio@0x81000000 {
			compatible = "shared-dma-pool";
			no-map;
			reg = <0 0x81000000 0 0x10000000>;
		};
	};

	sound-wm8960 {
		status = "disabled";
	};

	rpmsg_i2s: rpmsg-i2s {
		compatible = "fsl,imx8mp-rpmsg-i2s";
		/* the audio device index in m4 domain */
		fsl,audioindex = <0> ;
		fsl,dma-buffer-size = <0x6000000>;
		fsl,enable-lpa;
		power-domains = <&audiomix_pd>;
		status = "okay";
	};

	sound-rpmsg {
		compatible = "fsl,imx-audio-rpmsg";
		model = "wm8960-audio";
		cpu-dai = <&rpmsg_i2s>;
		audio-codec = <&codec>;
		memory-region = <&audio_reserved>;
		rpmsg-out;
		audio-routing =
			"LINPUT1", "MICB",
			"LINPUT3", "MICB";
	};

	imx8mp-cm7 {
		compatible = "fsl,imx8mn-cm7";
		rsc-da = <0x55000000>;
		clocks = <&clk IMX8MP_CLK_M7_DIV>;
		mbox-names = "tx", "rx", "rxdb";
		mboxes = <&mu 0 1
			  &mu 1 1
			  &mu 3 1>;
		memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>;
		status = "okay";
	};
};

/*
 * ATTENTION: M7 may use IPs like below
 * ECSPI0/ECSPI2, FLEXCAN, GPIO1/GPIO5, GPT1, I2C3, I2S3, UART4,
 * PWM4, SDMA1/SDMA2
 */
&ecspi2 {
	status = "disabled";
};

&flexcan1 {
	status = "disabled";
};

&flexspi {
	status = "disabled";
};

/delete-node/ &i2c3;

&i2c_rpbus_3 {
	compatible = "fsl,i2c-rpbus";
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	pca6416: gpio@20 {
		compatible = "ti,tca6416";
		reg = <0x20>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	ov5640_1: ov5640_mipi@3c {
		compatible = "ovti,ov5640";
		reg = <0x3c>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_csi0_pwn>, <&pinctrl_csi0_rst>;
		clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO2>;
		clock-names = "xclk";
		assigned-clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO2>;
		assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
		assigned-clock-rates = <24000000>;
		csi_id = <0>;
		powerdown-gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio4 0 GPIO_ACTIVE_LOW>;
		mclk = <24000000>;
		mclk_source = <0>;
		mipi_csi;
		status = "disabled";

		port {
			ov5640_mipi_1_ep: endpoint {
				remote-endpoint = <&mipi_csi1_ep>;
				data-lanes = <1 2>;
				clock-lanes = <0>;
			};
		};
	};

	codec: wm8960@1a {
		compatible = "wlf,wm8960,lpa";
		reg = <0x1a>;
		wlf,shared-lrclk;
		SPKVDD1-supply = <&reg_audio_pwr>;
	};
};

&pwm4{
	status = "disabled";
};

&rpmsg{
	/*
	 * 64K for one rpmsg instance:
	 * --0x55000000~0x5500ffff: pingpong
	 */
	vdev-nums = <1>;
	reg = <0x0 0x55000000 0x0 0x10000>;
	memory-region = <&vdevbuffer>;
	status = "disabled";
};

&sdma1{
	status = "disabled";
};

&sdma3{
	status = "disabled";
};

&uart4 {
	status = "disabled";
};

&sai3 {
	status = "disabled";
};