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Commit df0bd1e8 authored by Jyri Sarha's avatar Jyri Sarha Committed by Russell King
Browse files

ARM: dts: am335x-boneblack: Add HDMI audio support 



Add HDMI audio support. Adds mcasp0_pins, clk_mcasp0_fixed,
clk_mcasp0, mcasp0, sound node, and updates the tda19988 node to
follow the new binding.

Signed-off-by: default avatarJyri Sarha <jsarha@ti.com>
Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 7e567624

arch/arm/boot/dts/am335x-boneblack.dts

+67 −4
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 


#include "am33xx.dtsi"

#include "am335x-bone-common.dtsi"

#include <dt-bindings/display/tda998x.h>



/ {

	model = "TI AM335x BeagleBone Black";
@@ -64,6 +65,16 @@ 
			AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3)	/* xdma_event_intr0 */

		>;

	};



	mcasp0_pins: mcasp0_pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */

			AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/

			AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */

			AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */

			AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */

		>;

	};

};



&lcdc {
@@ -76,21 +87,73 @@ 
};



&i2c0 {

	tda19988 {

	tda19988: tda19988 {

		compatible = "nxp,tda998x";

		reg = <0x70>;



		pinctrl-names = "default", "off";

		pinctrl-0 = <&nxp_hdmi_bonelt_pins>;

		pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;



		port {

		#sound-dai-cells = <0>;

		audio-ports = <	TDA998x_I2S	0x03>;



		ports {

			port@0 {

				hdmi_0: endpoint@0 {

					remote-endpoint = <&lcdc_0>;

				};

			};

		};

	};

};



&rtc {

	system-power-controller;

};



&mcasp0	{

	#sound-dai-cells = <0>;

	pinctrl-names = "default";

	pinctrl-0 = <&mcasp0_pins>;

	status = "okay";

	op-mode = <0>;	/* MCASP_IIS_MODE */

	tdm-slots = <2>;

	serial-dir = <	/* 0: INACTIVE, 1: TX, 2: RX */

			0 0 1 0

		>;

	tx-num-evt = <32>;

	rx-num-evt = <32>;

};



/ {

	clk_mcasp0_fixed: clk_mcasp0_fixed {

		#clock-cells = <0>;

		compatible = "fixed-clock";

		clock-frequency = <24576000>;

	};



	clk_mcasp0: clk_mcasp0 {

		#clock-cells = <0>;

		compatible = "gpio-gate-clock";

		clocks = <&clk_mcasp0_fixed>;

		enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */

	};



	sound {

		compatible = "simple-audio-card";

		simple-audio-card,name = "TI BeagleBone Black";

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

		simple-audio-card,bitclock-master = <&dailink0_master>;

		simple-audio-card,frame-master = <&dailink0_master>;



		dailink0_master: simple-audio-card,cpu {

			sound-dai = <&mcasp0>;

			clocks = <&clk_mcasp0>;

		};



		simple-audio-card,codec {

			sound-dai = <&tda19988>;

		};

	};

};