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Subject[PATCH] ARM: dts: imx7d-sdb: add gpio key support
Date
Add support for imx7d-sdb board's gpio keys:

S1(FUNC1): KEY_VOLUMEUP
S3(FUNC2): KEY_VOLUMEDOWN

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
arch/arm/boot/dts/imx7d-sdb.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 7f241af..e47b5b2 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -52,6 +52,24 @@
reg = <0x80000000 0x80000000>;
};

+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_keys>;
+
+ volume-up {
+ label = "Volume Up";
+ gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ volume-down {
+ label = "Volume Down";
+ gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+ };
+
spi4 {
compatible = "spi-gpio";
pinctrl-names = "default";
@@ -519,6 +537,12 @@
>;
};

+ pinctrl_gpio_keys: gpio_keysgrp {
+ fsl,pins = <
+ MX7D_PAD_SD2_RESET_B__GPIO5_IO11 0x59
+ MX7D_PAD_SD2_WP__GPIO5_IO10 0x59
+ >;
+ };

pinctrl_hog: hoggrp {
fsl,pins = <
--
2.7.4
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