diff options
| author |   Samuel Holland <samuel@sholland.org> | 2022-06-20 22:54:52 -0500 |
|---|---|---|
| committer |   Jernej Skrabec <jernej.skrabec@gmail.com> | 2022-07-08 18:52:08 +0200 |
| commit | aab941b8c3cfb020baf2218e9e39706e05bf4877 (patch) | |
| tree | 9a047cc2944499f2f6541362087b8967ec2757f8 /arch/arm64/boot/dts/allwinner | |
| parent | dt-bindings: arm: sunxi: Add several MBUS compatibles (diff) | |
| download | linux-dev-aab941b8c3cfb020baf2218e9e39706e05bf4877.tar.xz linux-dev-aab941b8c3cfb020baf2218e9e39706e05bf4877.zip | |
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
Diffstat (limited to 'arch/arm64/boot/dts/allwinner')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 4 |
2 files changed, 8 insertions, 0 deletions
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 @@ 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 */ |