Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCH 1/3] ARM: at91: Add Special Function Registers binding documentation | Date | Mon, 10 Nov 2014 16:14:29 +0100 |
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The special function registers gather some registers that allow to tweak features provided by IPs controlled through another register range.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- Documentation/devicetree/bindings/arm/atmel-at91.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index 562cda9d86d9..a6427de45785 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -136,3 +136,20 @@ 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 "at91sam9260", "at91sam9rl" or "at91sam9x5". +- reg: Should contain registers location and length + + sfr@f0038000 { + compatible = "atmel,sama5d3-sfr", "syscon"; + reg = <0xf0038000 0x4000>; + }; + -- 2.1.0
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