MLK-23702-5: arm64: dts: imx8mp: Support rpmsg audio

1. add i2c-rpmsg support for i2c3
2. reserve memory for LPA, for the accessable memory
of m7: 0x40000000-0xbfffffff.
3. support LPA, playback only

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>

1 files changed, 90 insertions, 3 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk-rpmsg.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk-rpmsg.dts
index cfc6ebe24f6b..9d10a44fce09 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk-rpmsg.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-rpmsg.dts
@@ -8,6 +8,12 @@
 #include "imx8mp-evk.dts"
 
 / {
+	aliases {
+		i2c0 = &i2c1;
+		i2c1 = &i2c2;
+		i2c2 = &i2c_rpbus_3;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -23,6 +29,37 @@
 			no-map;
 			reg = <0 0xb8400000 0 0x100000>;
 		};
+
+		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;
+		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";
 	};
 };
 
@@ -43,8 +80,54 @@
 	status = "disabled";
 };
 
-&i2c3 {
-	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{
@@ -66,7 +149,7 @@
 	status = "disabled";
 };
 
-&sdma2{
+&sdma3{
 	status = "disabled";
 };
 
@@ -77,3 +160,7 @@
 &wdog1 {
 	status = "disabled";
 };
+
+&sai3 {
+	status = "disabled";
+};