On Thu, Nov 3, 2016 at 4:45 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Nov 03, 2016 at 03:55:55PM +0800, Chen-Yu Tsai wrote:
>> The Hummingbird A31 has headset and line in audio jacks and an onboard
>> mic routed to the pins for the SoC's internal codec. The line out pins
>> are routed to an onboard speaker amp, whose output is available on a
>> pin header.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
>> ---
>> arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 20 ++++++++++++++++++++
>> 1 file changed, 20 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
>> index 9a74637f677f..48c041b75aab 100644
>> --- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
>> +++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
>> @@ -69,6 +69,19 @@
>> };
>> };
>>
>> +&codec {
>> + allwinner,audio-routing =
>> + "Headphone", "HP",
>> + "Speaker", "LINEOUT",
>> + "LINEIN", "Line In",
>> + "MIC1", "Mic",
>> + "MIC2", "Headset Mic",
>> + "Mic", "MBIAS",
>> + "Headset Mic", "HBIAS";
>> + allwinner,pa-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
>> + status = "okay";
>> +};
>> +
>> &cpu0 {
>> cpu-supply = <®_dcdc3>;
>> };
>> @@ -152,6 +165,13 @@
>> };
>>
>> &pio {
>> + codec_pa_pin: codec_pa_pin@0 {
>> + allwinner,pins = "PH22";
>> + allwinner,function = "gpio_out";
>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>> + };
>> +
>
> This pin group isn't used anywhere. Because of the strict thing in
> pinctrl, I'd say it's better to not set it, but then, the pin group is
> useless.
I'll drop the pinmux setting then.
ChenYu
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