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| author |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2014-12-18 10:45:50 +0100 |
|---|---|---|
| committer |   Nicolas Ferre <nicolas.ferre@atmel.com> | 2015-01-15 15:01:40 +0100 |
| commit | cb282f784507b40425ccb45fcaf5f2d38cea17b3 (patch) | |
| tree | 858c9272c6bf831d9c73a49838e2a67a7d087be7 /Documentation/devicetree/bindings/arm/atmel-at91.txt | |
| parent | ARM: at91/dt: sam9263: Fix typo: ac91_clk -> ac97_clk (diff) | |
| download | linux-dev-cb282f784507b40425ccb45fcaf5f2d38cea17b3.tar.xz linux-dev-cb282f784507b40425ccb45fcaf5f2d38cea17b3.zip | |
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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: reg size: 0x60]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-at91.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index 562cda9d86d9..571fc76c6edb 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -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>; + }; |