Commit be7f7602 authored by Martin Blumenstingl's avatar Martin Blumenstingl
Browse files

ARM: dts: mxiii: add support for the audio outputs 



The MXIII and MXIII-Plus boards come with SPDIF and I2S Stereo DAC
(provided by a Beijing Times Minxin Technology Co., Ltd. MXT8234) audio
outputs. Add these outputs to the .dts so audio can be played on those
boards.

Signed-off-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
parent 64bb71a9

arch/arm/boot/dts/meson8m2-mxiii.dtsi

+84 −0
Original line number Diff line number Diff line
@@ -64,6 +64,70 @@ 
		clock-names = "ext_clock";

	};



	sound {

		compatible = "amlogic,gx-sound-card";

		model = "M8M2-MXIII";

		audio-routing = "I2S Encoder Playback", "I2S FIFO Playback",

				"SPDIF Encoder Playback", "I2S FIFO Playback",

				"SPDIF Encoder Playback", "SPDIF FIFO Playback";



		assigned-clocks = <&clkc CLKID_MPLL0>,

				  <&clkc CLKID_MPLL1>;

		assigned-clock-rates = <270950400>,

				       <294912000>;





		dai-link-0 {

			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;

		};



		dai-link-1 {

			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;

		};



		dai-link-2 {

			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;

			dai-format = "i2s";

			mclk-fs = <256>;



			codec-0 {

				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;

			};

			codec-1 {

				sound-dai = <&stereo_i2s_codec>;

			};

		};



		dai-link-3 {

			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;



			codec-0 {

				sound-dai = <&hdmi_tx>;

			};

		};



		dai-link-4 {

			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;



			codec-0 {

				sound-dai = <&spdif_dit>;

			};

		};

	};



	spdif_dit: spdif-audio-codec {

		compatible = "linux,spdif-dit";

		#sound-dai-cells = <0>;

		sound-name-prefix = "DIT";

	};



	stereo_i2s_codec: i2s-audio-codec {

		compatible = "mxtronics,mxt8234";

		#sound-dai-cells = <0>;

		VDD-supply = <&vcc_va_5v>;

		sound-name-prefix = "AV";

	};



	tv-connector {

		compatible = "composite-video-connector";
@@ -81,6 +145,17 @@ 
		regulator-max-microvolt = <3300000>;

	};



	vcc_va_5v: regulator-va-5v {

		compatible = "regulator-fixed";



		regulator-name = "VA_5V";

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		regulator-always-on;

		gpio = <&gpio GPIO_BSD_EN (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;

		enable-active-high;

	};



	xtal_32k_out: xtal-32k-out-clk {

		compatible = "fixed-clock";

		#clock-cells = <0>;
@@ -89,6 +164,15 @@ 
	};

};



&aiu {

	status = "okay";



	pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,

		    <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>,

		    <&spdif_out_pins>;

	pinctrl-names = "default";

};



&cpu0 {

	cpu-supply = <&vcck>;

};

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