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Commit 40495377 authored by Romain Perier's avatar Romain Perier Committed by Mark Brown
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spi: armada-3700: Add documentation for the Armada 3700 SPI Controller 



This adds the devicetree bindings documentation for the SPI controller
present in the Marvell Armada 3700 SoCs.

Signed-off-by: default avatarRomain Perier <romain.perier@free-electrons.com>
Tested-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 1001354c

Documentation/devicetree/bindings/spi/spi-armada-3700.txt

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* Marvell Armada 3700 SPI Controller



Required Properties:



- compatible: should be "marvell,armada-3700-spi"

- reg: physical base address of the controller and length of memory mapped

       region.

- interrupts: The interrupt number. The interrupt specifier format depends on

	      the interrupt controller and of its driver.

- clocks: Must contain the clock source, usually from the North Bridge clocks.

- num-cs: The number of chip selects that is supported by this SPI Controller

- #address-cells: should be 1.

- #size-cells: should be 0.



Example:



	spi0: spi@10600 {

		compatible = "marvell,armada-3700-spi";

		#address-cells = <1>;

		#size-cells = <0>;

		reg = <0x10600 0x5d>;

		clocks = <&nb_perih_clk 7>;

		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;

		num-cs = <4>;

	};