Commit 15094482 authored by Guido Günther's avatar Guido Günther Committed by Shawn Guo
Browse files

arm64: dts: librem5-devkit: Add mux for built-in vs headset mic 



Add mux so we can select either headset or built-in microphone input.

Signed-off-by: default avatarGuido Günther <agx@sigxcpu.org>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 39a346d9

arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts

+21 −4
Original line number Diff line number Diff line
@@ -163,18 +163,29 @@ wwan_codec: sound-wwan-codec { 
		#sound-dai-cells = <0>;

	};



	mic_mux: mic-mux {

		compatible = "simple-audio-mux";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_micsel>;

		mux-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;

		sound-name-prefix = "Mic Mux";

	};



	sound {

		compatible = "simple-audio-card";

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

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

		simple-audio-card,name = "Librem 5 Devkit";

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

		simple-audio-card,widgets =

			"Microphone", "Microphone Jack",

			"Microphone", "Builtin Microphone",

			"Microphone", "Headset Microphone",

			"Headphone", "Headphone Jack",

			"Speaker", "Builtin Speaker";

		simple-audio-card,routing =

			"MIC_IN", "Microphone Jack",

			"Microphone Jack", "Mic Bias",

			"MIC_IN", "Mic Mux OUT",

			"Mic Mux IN1", "Headset Microphone",

			"Mic Mux IN2", "Builtin Microphone",

			"Mic Mux OUT", "Mic Bias",

			"Headphone Jack", "HP_OUT",

			"Builtin Speaker", "Speaker Amp OUTR",

			"Speaker Amp INR", "LINE_OUT";
@@ -649,6 +660,12 @@ MX8MQ_IOMUXC_SAI5_RXFS_GPIO3_IO19 0x8 /* IMU_INT */ 
		>;

	};



	pinctrl_micsel: micselgrp {

		fsl,pins = <

			MX8MQ_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0xc6  /* MIC_SEL */

		>;

	};



	pinctrl_spkamp: spkamp {

		fsl,pins = <

			MX8MQ_IOMUXC_SPDIF_TX_GPIO5_IO3		0x81  /* MUTE */