On Fri, Jun 20, 2014 at 01:17:29PM +0800, Anson Huang wrote:
> 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>;
> };
We generally have 'chosen' and 'memory' at the top of the board dts. So
I applied the patch after switching the order between 'gpio-keys' and
'memory'.
Shawn
> @@ -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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