ARM: dts: AM33XX: Add volume-keys device tree data to am335x-evm

Add gpio based volume keys device tree data to am335x-evm by adding
all the required parameters like keycode, gpios and etc.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index e087b8751e0c..9f65f17ebdf8 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -137,6 +137,27 @@
                                 0x0101001c      /* ENTER */
                                 0x0201006c>;    /* DOWN */
         };
+
+        gpio_keys: volume_keys@0 {
+                compatible = "gpio-keys";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                autorepeat;
+
+                switch@9 {
+                        label = "volume-up";
+                        linux,code = <115>;
+                        gpios = <&gpio1 2 1>;
+                        gpio-key,wakeup;
+                };
+
+                switch@10 {
+                        label = "volume-down";
+                        linux,code = <114>;
+                        gpios = <&gpio1 3 1>;
+                        gpio-key,wakeup;
+                };
+        };
 };
 
 /include/ "tps65910.dtsi"