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ARM: dts: imx6qdl-sabresd: Add power key support 

This patch adds support for imx6qdl-sabresd board's power
key, the key is named "SW1" on board, press it can wake up
system from suspend.

Add a new pinctrl entry for gpio keys and move all gpio
keys pin to this entry.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Anson Huang 2013-12-19 16:07:24 -05:00 committed by Shawn Guo
parent b0d300d3a2
commit 8e4422ae6b
1 changed files with 21 additions and 4 deletions
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25
arch/arm/boot/dts/imx6qdl-sabresd.dtsi
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@ -10,6 +10,8 @@
* http://www.gnu.org/copyleft/gpl.html
*/
#include <dt-bindings/input/input.h>
/ {
memory {
reg = <0x10000000 0x40000000>;
@ -51,19 +53,28 @@
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
power {
label = "Power Button";
gpios = <&gpio3 29 0>;
gpio-key,wakeup;
linux,code = <KEY_POWER>;
};
volume-up {
label = "Volume Up";
gpios = <&gpio1 4 0>;
gpio-key,wakeup;
linux,code = <115>; /* KEY_VOLUMEUP */
linux,code = <KEY_VOLUMEUP>;
};
volume-down {
label = "Volume Down";
gpios = <&gpio1 5 0>;
gpio-key,wakeup;
linux,code = <114>; /* KEY_VOLUMEDOWN */
linux,code = <KEY_VOLUMEDOWN>;
};
};
@ -176,8 +187,6 @@
imx6qdl-sabresd {
pinctrl_hog: hoggrp {
fsl,pins = <
MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x80000000
MX6QDL_PAD_GPIO_5__GPIO1_IO05 0x80000000
MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x80000000
MX6QDL_PAD_NANDF_D1__GPIO2_IO01 0x80000000
MX6QDL_PAD_NANDF_D2__GPIO2_IO02 0x80000000
@ -228,6 +237,14 @@
>;
};
pinctrl_gpio_keys: gpio_keysgrp {
fsl,pins = <
MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x80000000
MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x80000000
MX6QDL_PAD_GPIO_5__GPIO1_IO05 0x80000000
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1