Commit e5a58ad1 authored by André Hentschel's avatar André Hentschel Committed by Tony Lindgren
Browse files

ARM: dts: omap3-echo: Add speaker sound card support 



This adds audio playback to the first generation Amazon Echo

Signed-off-by: default avatarAndré Hentschel <nerv@dawncrow.de>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 87ab16b6

arch/arm/boot/dts/omap3-echo.dts

+67 −0
Original line number Diff line number Diff line
@@ -86,6 +86,38 @@ 
		linux,axis = <REL_X>;

		rotary-encoder,relative-axis;

	};



	speaker_amp: speaker-amplifier {

		compatible = "simple-audio-amplifier";

		enable-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;	/* gpio_129 */

		sound-name-prefix = "Speaker Amp";

		VCC-supply = <&vcc1v8>;

	};



	sound {

		compatible = "simple-audio-card";

		simple-audio-card,name = "Misto Speaker";

		simple-audio-card,widgets =

			"Speaker", "Speaker";

		simple-audio-card,routing =

			"Speaker Amp INL", "HPL",

			"Speaker Amp INR", "HPR",

			"Speaker", "Speaker Amp OUTL",

			"Speaker", "Speaker Amp OUTR";

		simple-audio-card,format = "i2s";

		simple-audio-card,bitclock-master = <&sound_master>;

		simple-audio-card,frame-master = <&sound_master>;

		simple-audio-card,aux-devs = <&speaker_amp>;



		simple-audio-card,cpu {

			sound-dai = <&mcbsp2>;

		};



		sound_master: simple-audio-card,codec {

			sound-dai = <&codec0>;

			system-clock-frequency = <19200000>;

		};

	};

};



&i2c1 {
@@ -96,6 +128,13 @@ 
	};

};



&mcbsp2 {

	status = "okay";

	#sound-dai-cells = <0>;

	pinctrl-names = "default";

	pinctrl-0 = <&mcbsp2_pins>;

};



&i2c2 {

	clock-frequency = <400000>;
@@ -277,6 +316,22 @@ 
	};

};



&i2c3 {

	clock-frequency = <400000>;



	codec0: codec@18 {

		#sound-dai-cells = <0>;

		compatible = "ti,tlv320aic32x4";

		reg = <0x18>;

		clocks = <&sys_clkout1>;

		clock-names = "mclk";

		ldoin-supply = <&vcc1v8>;

		iov-supply = <&vcc1v8>;

		reset-gpios = <&gpio3 10 GPIO_ACTIVE_LOW>;	/* gpio_74 */

	};

};





#include "tps65910.dtsi"



&omap3_pmx_core {
@@ -290,6 +345,9 @@ 
		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x20dc, PIN_INPUT | MUX_MODE4)	/* dss_data0.gpio_70 */

			OMAP3_CORE1_IOPAD(0x20e0, PIN_INPUT | MUX_MODE4)	/* dss_data2.gpio_72 */

			OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE4)	/* dss_data4.gpio_74 */

			OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT_PULLDOWN | MUX_MODE4)	/* dss_data15.gpio_85 */

			OMAP3_CORE1_IOPAD(0x2a1a, PIN_OUTPUT | MUX_MODE0)	/* sys_clkout1.sys_clkout1 */

		>;

	};
@@ -318,6 +376,15 @@ 
			OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT_PULLUP | MUX_MODE0)		/* sdmmc2_dat7.sdmmc2_dat7 */

		>;

	};



	mcbsp2_pins: pinmux_mcbsp2_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x213c, PIN_INPUT | MUX_MODE0)	/* mcbsp2_fsx.mcbsp2_fsx */

			OMAP3_CORE1_IOPAD(0x213e, PIN_INPUT | MUX_MODE0)	/* mcbsp2_clkx.mcbsp2_clkx */

			OMAP3_CORE1_IOPAD(0x2140, PIN_INPUT | MUX_MODE0)	/* mcbsp2_dr.mcbsp2.dr */

			OMAP3_CORE1_IOPAD(0x2142, PIN_OUTPUT | MUX_MODE0)	/* mcbsp2_dx.mcbsp2_dx */

		>;

	};

};



&omap3_pmx_core2 {