Enable support for the tablet keys which are connected via the lradc.
Signed-off-by: Hans de Goede <[email protected]>
---
arch/arm/boot/dts/sun4i-a10-inet97fv2.dts | 41 +++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
b/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
index 309a0da..909fde9 100644
--- a/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
+++ b/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
@@ -47,6 +47,7 @@
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
/ {
model = "INet-97F Rev 02";
@@ -82,6 +83,46 @@
#include "axp209.dtsi"
+&lradc {
+ vref-supply = <®_ldo2>;
+ status = "okay";
+
+ button@200 {
+ label = "Menu";
+ linux,code = <KEY_MENU>;
+ channel = <0>;
+ voltage = <200000>;
+ };
+
+ button@600 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <600000>;
+ };
+
+ button@800 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <800000>;
+ };
+
+ button@1000 {
+ label = "Home";
+ linux,code = <KEY_HOMEPAGE>;
+ channel = <0>;
+ voltage = <1000000>;
+ };
+
+ button@1200 {
+ label = "Esc";
+ linux,code = <KEY_ESC>;
+ channel = <0>;
+ voltage = <1200000>;
+ };
+};
+
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
--
2.4.3
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