Commit b903a6c5 authored by Sameer Pujar's avatar Sameer Pujar Committed by Thierry Reding
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arm64: tegra: Audio codec support on Jetson AGX Orin 



Jetson AGX Orin has onboard RT5640 audio codec. This patch adds the
codec device node and the bindings to I2S1 interface.

Signed-off-by: default avatarSameer Pujar <spujar@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent e63472ed

arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts

+44 −1
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 


#include <dt-bindings/input/linux-event-codes.h>

#include <dt-bindings/input/gpio-keys.h>

#include <dt-bindings/sound/rt5640.h>



#include "tegra234-p3701-0000.dtsi"

#include "tegra234-p3737-0000.dtsi"
@@ -49,7 +50,7 @@ i2s1_port: port@1 { 


							i2s1_dap: endpoint {

								dai-format = "i2s";

								/* placeholder for external codec */

								remote-endpoint = <&rt5640_ep>;

							};

						};

					};
@@ -2017,6 +2018,30 @@ serial@31d0000 { 
			status = "okay";

		};



		i2c@31e0000 {

			status = "okay";



			audio-codec@1c {

				compatible = "realtek,rt5640";

				reg = <0x1c>;

				interrupt-parent = <&gpio>;

				interrupts = <TEGRA234_MAIN_GPIO(AC, 5) GPIO_ACTIVE_HIGH>;

				clocks = <&bpmp TEGRA234_CLK_AUD_MCLK>;

				clock-names = "mclk";

				realtek,dmic1-data-pin = <RT5640_DMIC1_DATA_PIN_NONE>;

				realtek,dmic2-data-pin = <RT5640_DMIC2_DATA_PIN_NONE>;

				realtek,jack-detect-source = <RT5640_JD_SRC_HDA_HEADER>;

				sound-name-prefix = "CVB-RT";



				port {

					rt5640_ep: endpoint {

						remote-endpoint = <&i2s1_dap>;

						mclk-fs = <256>;

					};

				};

			};

		};



		pwm@32a0000 {

			assigned-clocks = <&bpmp TEGRA234_CLK_PWM3>;

			assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;
@@ -2293,5 +2318,23 @@ sound { 
		       <&dmic3_port>;



		label = "NVIDIA Jetson AGX Orin APE";



		widgets = "Microphone",	"CVB-RT MIC Jack",

			  "Microphone",	"CVB-RT MIC",

			  "Headphone",	"CVB-RT HP Jack",

			  "Speaker",	"CVB-RT SPK";



		routing = /* I2S1 <-> RT5640 */

			  "CVB-RT AIF1 Playback",	"I2S1 DAP-Playback",

			  "I2S1 DAP-Capture",		"CVB-RT AIF1 Capture",

			  /* RT5640 codec controls */

			  "CVB-RT HP Jack",		"CVB-RT HPOL",

			  "CVB-RT HP Jack",		"CVB-RT HPOR",

			  "CVB-RT IN1P",		"CVB-RT MIC Jack",

			  "CVB-RT IN2P",		"CVB-RT MIC Jack",

			  "CVB-RT SPK",			"CVB-RT SPOLP",

			  "CVB-RT SPK",			"CVB-RT SPORP",

			  "CVB-RT DMIC1",		"CVB-RT MIC",

			  "CVB-RT DMIC2",		"CVB-RT MIC";

	};

};