summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorAnson Huang <b20788@freescale.com>2014-06-20 13:17:29 +0800
committerShawn Guo <shawn.guo@freescale.com>2014-07-18 16:49:38 +0800
commit4014a4f7c0dca2b3bec54fd0176340ba45a46385 (patch)
tree5ff9d0848264717cce36d6625f9d745e9c577b2e /arch/arm
parentc64b874f0eac6f450e8834e407bc98ec402b81e7 (diff)
ARM: dts: imx6sx-sdb: add gpio key support
This patch adds support for imx6sx-sdb board's gpio keys: SW4(FUNC1): KEY_VOLUMEUP SW5(FUNC2): KEY_VOLUMEDOWN Signed-off-by: Anson Huang <b20788@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/imx6sx-sdb.dts27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts
index 9906f654e494..da40f1396798 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dts
+++ b/arch/arm/boot/dts/imx6sx-sdb.dts
@@ -8,6 +8,8 @@
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include "imx6sx.dtsi"
/ {
@@ -22,6 +24,24 @@
reg = <0x80000000 0x40000000>;
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_keys>;
+
+ volume-up {
+ label = "Volume Up";
+ gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ volume-down {
+ label = "Volume Down";
+ gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -114,6 +134,13 @@
>;
};
+ pinctrl_gpio_keys: gpio_keysgrp {
+ fsl,pins = <
+ MX6SX_PAD_CSI_DATA04__GPIO1_IO_18 0x17059
+ MX6SX_PAD_CSI_DATA05__GPIO1_IO_19 0x17059
+ >;
+ };
+
pinctrl_vcc_sd3: vccsd3grp {
fsl,pins = <
MX6SX_PAD_KEY_COL1__GPIO2_IO_11 0x17059