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Commit cb282f78 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Nicolas Ferre
Browse files

ARM: at91: Add Special Function Registers binding documentation 



The special function registers gather some registers that allow to tweak
features provided by IPs controlled through another register range.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: reg size: 0x60]
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 226b7b61

Documentation/devicetree/bindings/arm/atmel-at91.txt

+16 −0
Original line number Diff line number Diff line
@@ -136,3 +136,19 @@ Example: 
		compatible = "atmel,at91sam9260-rstc";

		reg = <0xfffffd00 0x10>;

	};



Special Function Registers (SFR)



Special Function Registers (SFR) manage specific aspects of the integrated

memory, bridge implementations, processor and other functionality not controlled

elsewhere.



required properties:

- compatible: Should be "atmel,<chip>-sfr", "syscon".

  <chip> can be "sama5d3" or "sama5d4".

- reg: Should contain registers location and length



	sfr@f0038000 {

		compatible = "atmel,sama5d3-sfr", "syscon";

		reg = <0xf0038000 0x60>;

	};