dt-bindings: fsi: Document gpios (4d4905f6) · Commits · 戴 / test

The FSI master has some associated GPIOs that may be present on some hardware configurations. Reviewed-by:

Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,13 @@ Required properties:
		- pinctrl-0: phandle to pinctrl node
		- pinctrl-names: pinctrl state

		Optional properties:
		- cfam-reset-gpios: GPIO for CFAM reset

		- fsi-routing-gpios: GPIO for setting the FSI mux (internal or cabled)
		- fsi-mux-gpios: GPIO for detecting the desired FSI mux state


		Examples:

		fsi-master {
		@@ -21,4 +28,9 @@ Examples:
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_fsi1_default>;
		clocks = <&syscon ASPEED_CLK_GATE_FSICLK>;

		fsi-routing-gpios = <&gpio0 ASPEED_GPIO(Q, 7) GPIO_ACTIVE_HIGH>;
		fsi-mux-gpios = <&gpio0 ASPEED_GPIO(B, 0) GPIO_ACTIVE_HIGH>;

		cfam-reset-gpios = <&gpio0 ASPEED_GPIO(Q, 0) GPIO_ACTIVE_LOW>;
		};