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@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6sx-sdb.dts | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts
index 9906f65..e082e84 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"
/ {
@@ -18,6 +20,24 @@
stdout-path = &uart1;
};
+ 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>;
+ };
+ };
+
memory {
reg = <0x80000000 0x40000000>;
};
@@ -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
--
1.7.9.5
--
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