[PATCH 2/2] ARM: dts: sun8i: Enable lradc on a23-ippo-q8h-v5
From: Hans de Goede <hidden>
Date: 2015-01-13 10:47:04
Also in:
linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> Signed-off-by: Hans de Goede <redacted> --- 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 at 01c22800 { + vref-supply = <®_vcc3v0>; + status = "okay"; + + button at 200 { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + channel = <0>; + voltage = <200000>; + }; + + button at 400 { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + channel = <0>; + voltage = <400000>; + }; + }; + i2c0: i2c at 01c2ac00 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>;
--
2.1.0