Re: [PATCH] ARM: dts: imx6sx-sdb: add gpio key support
From: Shawn Guo <hidden>
Date: 2014-06-21 09:11:44
Also in:
linux-arm-kernel
On Fri, Jun 20, 2014 at 01:17:29PM +0800, Anson Huang wrote:
quoted hunk
This patch adds support for imx6sx-sdb board's gpio keys: SW4(FUNC1): KEY_VOLUMEUP SW5(FUNC2): KEY_VOLUMEDOWN Signed-off-by: Anson Huang <redacted> --- 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
quoted hunk
@@ -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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