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Subject[PATCH v4 4/4] ARM: dts: sun8i: tbs-a711: Add support for volume keys input
Date
From: Ondrej Jirman <megous@megous.com>

TBS A711 tablet has volume up/down keys connected to r_lradc. Add
support for these keys.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
index 1e840ab5a541..6ecdc11b7059 100644
--- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
@@ -46,6 +46,7 @@

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/input/input.h>

/ {
model = "TBS A711 Tablet";
@@ -200,6 +201,25 @@
status = "okay";
};

+&r_lradc {
+ vref-supply = <&reg_aldo2>;
+ status = "okay";
+
+ button@210 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <210000>;
+ };
+
+ button@410 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <410000>;
+ };
+};
+
&r_rsb {
status = "okay";

--
2.21.0
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