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Subject[PATCH 5/6] ARM: dts: stm32: add joystick support on stm32746g-eval
Date
The joystick on stm32746g-eval uses gpios on MFX gpio expander.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
---
arch/arm/boot/dts/stm32746g-eval.dts | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts
index 99739f7..eb5f43b 100644
--- a/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -43,6 +43,7 @@
/dts-v1/;
#include "stm32f746.dtsi"
#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/st-mfx-gpio.h>

/ {
model = "STMicroelectronics STM32746g-EVAL board";
@@ -98,6 +99,36 @@
};
};

+ joystick {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ button@1 {
+ label = "JoySel";
+ linux,code = <KEY_ENTER>;
+ gpios = <&mfxgpio 0 (GPIO_ACTIVE_LOW | GPIO_IN_PUSH_PULL | GPIO_PULL_UP)>;
+ };
+ button@2 {
+ label = "JoyDown";
+ linux,code = <KEY_DOWN>;
+ gpios = <&mfxgpio 1 (GPIO_ACTIVE_LOW | GPIO_IN_PUSH_PULL | GPIO_PULL_UP)>;
+ };
+ button@3 {
+ label = "JoyLeft";
+ linux,code = <KEY_LEFT>;
+ gpios = <&mfxgpio 2 (GPIO_ACTIVE_LOW | GPIO_IN_PUSH_PULL | GPIO_PULL_UP)>;
+ };
+ button@4 {
+ label = "JoyRight";
+ linux,code = <KEY_RIGHT>;
+ gpios = <&mfxgpio 3 (GPIO_ACTIVE_LOW | GPIO_IN_PUSH_PULL | GPIO_PULL_UP)>;
+ };
+ button@5 {
+ label = "JoyUp";
+ linux,code = <KEY_UP>;
+ gpios = <&mfxgpio 4 (GPIO_ACTIVE_LOW | GPIO_IN_PUSH_PULL | GPIO_PULL_UP)>;
+ };
+ };

mmc_vcard: mmc_vcard {
compatible = "regulator-fixed";
--
2.7.4
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