[PATCH 3/3] arm64: dts: allwinner: pinephone: Enable internal HMIC bias

[Samuel Holland]

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 at sholland.org>
---

 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