The joystick on stm32746g-eval uses gpios on MFX gpio expander.

Signed-off-by: Amelie Delaunay <amelie.delau...@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

Reply via email to