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@xxxxxxxxxxxx>
---
(no changes since v1)
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 ++++
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
index fb65319a3bd3..219f720b8b7d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
@@ -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 */
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
index 5e59d3752178..723af64a9cee 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
@@ -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 */
--
2.35.1
