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@csie.org --- 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>; + }; + gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 { allwinner,pins = "PA21"; allwinner,function = "gpio_out";