Commit aab941b8 authored by Samuel Holland's avatar Samuel Holland Committed by Jernej Skrabec
Browse files

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: default avatarSamuel Holland <samuel@sholland.org>
Reviewed-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220621035452.60272-4-samuel@sholland.org
parent e8f05165

arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts

+4 −0
Original line number Diff line number Diff line
@@ -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 */

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

+4 −0
Original line number Diff line number Diff line
@@ -29,6 +29,10 @@ &backlight { 
	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 */