The Q8 tablets use the audio codec to provide audio output via a headphone jack or a small mono speaker. A GPIO output is used to control speaker amp.
The tablets may or may not have an internal microphone.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- arch/arm/boot/dts/sun5i-q8-common.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/sun5i-q8-common.dtsi b/arch/arm/boot/dts/sun5i-q8-common.dtsi index 8fc1b6110fb8..5b065fd542f0 100644 --- a/arch/arm/boot/dts/sun5i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun5i-q8-common.dtsi @@ -61,6 +61,13 @@ }; };
+&codec { + pinctrl-names = "default"; + pinctrl-0 = <&codec_pa_pin>; + allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */ + status = "okay"; +}; + &cpu0 { cpu-supply = <®_dcdc2>; }; @@ -100,6 +107,13 @@ };
&pio { + codec_pa_pin: codec_pa_pin@0 { + allwinner,pins = "PG10"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + mmc0_cd_pin_q8: mmc0_cd_pin@0 { allwinner,pins = "PG0"; allwinner,function = "gpio_in";