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Commit ff7e4d2a authored by Linus Walleij's avatar Linus Walleij
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pinctrl: Add DT bindings for Cortina Gemini 



The Cortina Gemini pin controller uses the standard pin control
bindings for muxing functions with groups so these bindings
should be entirely uncontroversial.

Cc: devicetree@vger.kernel.org
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 5caff7ea

Documentation/devicetree/bindings/pinctrl/cortina,gemini-pinctrl.txt

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Cortina Systems Gemini pin controller



This pin controller is found in the Cortina Systems Gemini SoC family,

see further arm/gemini.txt. It is a purely group-based multiplexing pin

controller.



The pin controller node must be a subnode of the system controller node.



Required properties:

- compatible: "cortina,gemini-pinctrl"



Subnodes of the pin controller contain pin control multiplexing set-up.

Please refer to pinctrl-bindings.txt for generic pin multiplexing nodes.



Example:





syscon {

	compatible = "cortina,gemini-syscon";

	...

	pinctrl {

		compatible = "cortina,gemini-pinctrl";

		pinctrl-names = "default";

		pinctrl-0 = <&dram_default_pins>, <&system_default_pins>,

		    <&vcontrol_default_pins>;



		dram_default_pins: pinctrl-dram {

			mux {

				function = "dram";

				groups = "dramgrp";

			};

		};

		rtc_default_pins: pinctrl-rtc {

			mux {

				function = "rtc";

				groups = "rtcgrp";

			};

		};

		power_default_pins: pinctrl-power {

			mux {

				function = "power";

				groups = "powergrp";

			};

		};

		system_default_pins: pinctrl-system {

			mux {

				function = "system";

				groups = "systemgrp";

			};

		};

		(...)

		uart_default_pins: pinctrl-uart {

			mux {

				function = "uart";

				groups = "uartrxtxgrp";

			};

		};

	};

};