ARM: dts: imx6q-sabresd: add volume up/down gpio keys

Add volume up/down gpio keys support in imx6q-sabresd.dts.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6q-sabresd.dts b/arch/arm/boot/dts/imx6q-sabresd.dts
index e596c28c214d..a42402562b7b 100644
--- a/arch/arm/boot/dts/imx6q-sabresd.dts
+++ b/arch/arm/boot/dts/imx6q-sabresd.dts
@@ -38,6 +38,8 @@
                                 hog {
                                         pinctrl_hog: hoggrp {
                                                 fsl,pins = <
+                                                        1004 0x80000000 /* MX6Q_PAD_GPIO_4__GPIO_1_4 */
+                                                        1012 0x80000000 /* MX6Q_PAD_GPIO_5__GPIO_1_5 */
                                                         1402 0x80000000 /* MX6Q_PAD_NANDF_D0__GPIO_2_0 */
                                                         1410 0x80000000 /* MX6Q_PAD_NANDF_D1__GPIO_2_1 */
                                                         1418 0x80000000 /* MX6Q_PAD_NANDF_D2__GPIO_2_2 */
@@ -73,4 +75,20 @@
                         };
                 };
         };
+
+        gpio-keys {
+                compatible = "gpio-keys";
+
+                volume-up {
+                        label = "Volume Up";
+                        gpios = <&gpio1 4 0>;
+                        linux,code = <115>; /* KEY_VOLUMEUP */
+                };
+
+                volume-down {
+                        label = "Volume Down";
+                        gpios = <&gpio1 5 0>;
+                        linux,code = <114>; /* KEY_VOLUMEDOWN */
+                };
+        };
 };