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| author | Amelie Delaunay <amelie.delaunay@st.com> | 2019-05-10 10:49:52 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2019-05-21 10:55:40 +0300 |
| commit | d4c986b77cd559d83085003672a449bc83a9efee (patch) | |
| tree | 20aa992ad21897c9a2efc430f4c13b0caa4faced /arch/arm/boot/dts/stm32746g-eval.dts | |
| parent | a1975755f59e548bf5d318f60be9ff81ab5170e6 (diff) | |
| download | linux-d4c986b77cd559d83085003672a449bc83a9efee.tar.xz | |
ARM: dts: stm32: add joystick support on stm32746g-eval
The joystick (B3) on stm32746g-eval uses gpios on STMFX gpio expander.
These gpios need a pin configuration (push-pull and bias-pull-up),
described under stmfx_pinctrl node.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm/boot/dts/stm32746g-eval.dts')
| -rw-r--r-- | arch/arm/boot/dts/stm32746g-eval.dts | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts index 58e04577c534..21e89122681b 100644 --- a/arch/arm/boot/dts/stm32746g-eval.dts +++ b/arch/arm/boot/dts/stm32746g-eval.dts @@ -87,6 +87,43 @@ }; }; + joystick { + compatible = "gpio-keys"; + #size-cells = <0>; + pinctrl-0 = <&joystick_pins>; + pinctrl-names = "default"; + button-0 { + label = "JoySel"; + linux,code = <KEY_ENTER>; + interrupt-parent = <&stmfx_pinctrl>; + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; + }; + button-1 { + label = "JoyDown"; + linux,code = <KEY_DOWN>; + interrupt-parent = <&stmfx_pinctrl>; + interrupts = <1 IRQ_TYPE_EDGE_FALLING>; + }; + button-2 { + label = "JoyLeft"; + linux,code = <KEY_LEFT>; + interrupt-parent = <&stmfx_pinctrl>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + }; + button-3 { + label = "JoyRight"; + linux,code = <KEY_RIGHT>; + interrupt-parent = <&stmfx_pinctrl>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + }; + button-4 { + label = "JoyUp"; + linux,code = <KEY_UP>; + interrupt-parent = <&stmfx_pinctrl>; + interrupts = <4 IRQ_TYPE_EDGE_FALLING>; + }; + }; + usbotg_hs_phy: usb-phy { #phy-cells = <0>; compatible = "usb-nop-xceiv"; @@ -130,6 +167,12 @@ interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&stmfx_pinctrl 0 0 24>; + + joystick_pins: joystick { + pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4"; + drive-push-pull; + bias-pull-up; + }; }; }; }; |