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Commit d4c986b7 authored by Amelie Delaunay's avatar Amelie Delaunay Committed by Alexandre Torgue
Browse files

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: default avatarAmelie Delaunay <amelie.delaunay@st.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent a1975755

arch/arm/boot/dts/stm32746g-eval.dts

+43 −0
Original line number Diff line number Diff line
@@ -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;

			};

		};

	};

};