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

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

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Guido Günther 2021-02-21 12:07:10 +01:00 committed by Shawn Guo
parent 39a346d923
commit 15094482fc
1 changed files with 21 additions and 4 deletions
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25
arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
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@ -163,18 +163,29 @@
#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 @@
>;
};
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 */