Enable the lradc controlled tablet keys on the Chuwi V7 CW0825 tablet.
Signed-off-by: Hans de Goede <[email protected]>
---
arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts | 27 +++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
index 58214f2..97fca89 100644
--- a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
+++ b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
@@ -49,6 +49,7 @@
#include "sun4i-a10.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
/ {
model = "Chuwi V7 CW0825";
@@ -74,6 +75,32 @@
};
};
+&lradc {
+ vref-supply = <®_vcc3v0>;
+ status = "okay";
+
+ button@800 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <800000>;
+ };
+
+ button@1000 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <1000000>;
+ };
+
+ button@1200 {
+ label = "Back";
+ linux,code = <KEY_BACK>;
+ channel = <0>;
+ voltage = <1200000>;
+ };
+};
+
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
--
2.3.1
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