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authorAlexandre Belloni <[email protected]>2014-12-18 10:45:50 +0100
committerNicolas Ferre <[email protected]>2015-01-15 15:01:40 +0100
commitcb282f784507b40425ccb45fcaf5f2d38cea17b3 (patch)
tree858c9272c6bf831d9c73a49838e2a67a7d087be7
parent226b7b61d551bdd5e0c9e1e0de02e6c793b4c245 (diff)
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 <[email protected]> Acked-by: Boris Brezillon <[email protected]> [[email protected]: reg size: 0x60] Signed-off-by: Nicolas Ferre <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/arm/atmel-at91.txt16
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>;
+ };