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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
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@ -10,6 +10,10 @@ / {
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compatible = "pine64,pinephone-1.0", "pine64,pinephone", "allwinner,sun50i-a64";
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};
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&codec_analog {
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allwinner,internal-bias-resistor;
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};
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&sgm3140 {
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enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
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flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
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@ -29,6 +29,10 @@ &backlight {
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default-brightness-level = <400>;
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};
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&codec_analog {
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allwinner,internal-bias-resistor;
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};
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&sgm3140 {
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enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
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flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
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