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Commit e88e2cd7 authored by Gregory CLEMENT's avatar Gregory CLEMENT
Browse files

pinctrl: dt-bindings: add documentation for AP806 pin controllers 



Document the device tree binding for the pin controllers found on the
Armada 7K and Armada 8K SoCs.

Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
parent bbc6fd0a

Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt

+46 −7
Original line number Diff line number Diff line
@@ -28,9 +28,44 @@ Required properties: 
 - compatible: must be: "marvell,ap806-clock"

 - #clock-cells: must be set to 1



Example:

Pinctrl:

--------



For common binding part and usage, refer to

Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt.



Required properties:

- compatible must be "marvell,ap806-pinctrl",



Available mpp pins/groups and functions:

Note: brackets (x) are not part of the mpp name for marvell,function and given

only for more detailed description in this document.



	syscon: system-controller@6f4000 {

name	pins	functions

================================================================================

mpp0	0	gpio, sdio(clk), spi0(clk)

mpp1	1	gpio, sdio(cmd), spi0(miso)

mpp2	2	gpio, sdio(d0), spi0(mosi)

mpp3	3	gpio, sdio(d1), spi0(cs0n)

mpp4	4	gpio, sdio(d2), i2c0(sda)

mpp5	5	gpio, sdio(d3), i2c0(sdk)

mpp6	6	gpio, sdio(ds)

mpp7	7	gpio, sdio(d4), uart1(rxd)

mpp8	8	gpio, sdio(d5), uart1(txd)

mpp9	9	gpio, sdio(d6), spi0(cs1n)

mpp10	10	gpio, sdio(d7)

mpp11	11	gpio, uart0(txd)

mpp12	12	gpio, sdio(pw_off), sdio(hw_rst)

mpp13	13	gpio

mpp14	14	gpio

mpp15	15	gpio

mpp16	16	gpio

mpp17	17	gpio

mpp18	18	gpio

mpp19	19	gpio, uart0(rxd), sdio(pw_off)



Example:

ap_syscon: system-controller@6f4000 {

	compatible = "syscon", "simple-mfd";

	reg = <0x6f4000 0x1000>;
@@ -38,4 +73,8 @@ Example: 
		compatible = "marvell,ap806-clock";

		#clock-cells = <1>;

	};



	ap_pinctrl: pinctrl {

		compatible = "marvell,ap806-pinctrl";

	};

};