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arm64: dts: allwinner: pinephone: Enable internal HMIC bias 

Revisions 1.0 and 1.1 of the PinePhone mainboard do not have an external
resistor connecting HBIAS to MIC2P. Enable the internal resistor to
provide the necessary headeset microphone bias.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220621035452.60272-4-samuel@sholland.org
This commit is contained in:
Samuel Holland 2022-06-20 22:54:52 -05:00 committed by Jernej Skrabec
parent e8f05165b5
commit aab941b8c3
2 changed files with 8 additions and 0 deletions
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4
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
View File

@ -10,6 +10,10 @@
compatible = "pine64,pinephone-1.0", "pine64,pinephone", "allwinner,sun50i-a64";
};
&codec_analog {
allwinner,internal-bias-resistor;
};
&sgm3140 {
enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */

4
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
View File

@ -29,6 +29,10 @@
default-brightness-level = <400>;
};
&codec_analog {
allwinner,internal-bias-resistor;
};
&sgm3140 {
enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */