diff options
| author | Joachim Eastwood <manabian@gmail.com> | 2015-04-02 06:55:32 +0300 |
|---|---|---|
| committer | Joachim Eastwood <manabian@gmail.com> | 2015-07-14 16:12:09 +0300 |
| commit | 95dafb2ca15672ec8e000fcd482fec15e963840e (patch) | |
| tree | 27b49212f74efafa7da71637db191bf51f8704bf /arch/arm | |
| parent | bfd0b498bee4f836610c477cae21aefb16cfe0b1 (diff) | |
| download | linux-95dafb2ca15672ec8e000fcd482fec15e963840e.tar.xz | |
ARM: dts: lpc4357-ea4357: add gpio joystick
Hook up the small joystick found on the EA4357 devkit.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/lpc4357-ea4357-devkit.dts | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts index d02f93f19bf5..ee9d97350d34 100644 --- a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts +++ b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts @@ -15,6 +15,9 @@ #include "lpc18xx.dtsi" #include "lpc4357.dtsi" +#include "dt-bindings/input/input.h" +#include "dt-bindings/gpio/gpio.h" + / { model = "Embedded Artists' LPC4357 Developer's Kit"; compatible = "ea,lpc4357-developers-kit", "nxp,lpc4357", "nxp,lpc4350"; @@ -42,9 +45,58 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; + + gpio_joystick { + compatible = "gpio-keys-polled"; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_joystick_pins>; + #address-cells = <1>; + #size-cells = <0>; + poll-interval = <100>; + autorepeat; + + button@0 { + label = "joy_enter"; + linux,code = <KEY_ENTER>; + gpios = <&gpio LPC_GPIO(4,8) GPIO_ACTIVE_LOW>; + }; + + button@1 { + label = "joy_left"; + linux,code = <KEY_LEFT>; + gpios = <&gpio LPC_GPIO(4,9) GPIO_ACTIVE_LOW>; + }; + + button@2 { + label = "joy_up"; + linux,code = <KEY_UP>; + gpios = <&gpio LPC_GPIO(4,10) GPIO_ACTIVE_LOW>; + }; + + button@3 { + label = "joy_right"; + linux,code = <KEY_RIGHT>; + gpios = <&gpio LPC_GPIO(4,12) GPIO_ACTIVE_LOW>; + }; + + button@4 { + label = "joy_down"; + linux,code = <KEY_DOWN>; + gpios = <&gpio LPC_GPIO(4,13) GPIO_ACTIVE_LOW>; + }; + }; }; &pinctrl { + gpio_joystick_pins: gpio-joystick-pins { + gpio_joystick_cfg { + pins = "p9_0", "p9_1", "pa_1", "pa_2", "pa_3"; + function = "gpio"; + input-enable; + bias-disable; + }; + }; + sdmmc_pins: sdmmc-pins { sdmmc_clk_cfg { pins = "pc_0"; |