Add support for imx7d-sdb board's gpio keys: S1(FUNC1): KEY_VOLUMEUP S3(FUNC2): KEY_VOLUMEDOWN
Signed-off-by: Anson Huang <[email protected]> --- 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
