The a23-ippo-q8h tablets have volume up/down buttons using the lradc. This has been tested on both a v5 and a v1.2 tablet.
Tested-by: Chen-Yu Tsai <[email protected]> Signed-off-by: Hans de Goede <[email protected]> --- arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts index 1da31d0..623573e 100644 --- a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts +++ b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts @@ -52,6 +52,7 @@ #include "sunxi-common-regulators.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/pinctrl/sun4i-a10.h> / { @@ -86,6 +87,25 @@ }; }; + lradc: lradc@01c22800 { + vref-supply = <®_vcc3v0>; + status = "okay"; + + button@200 { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + channel = <0>; + voltage = <200000>; + }; + + button@400 { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + channel = <0>; + voltage = <400000>; + }; + }; + i2c0: i2c@01c2ac00 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
