lkml.org 
[lkml]   [2014]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] ARM: at91: Add Special Function Registers binding documentation
Date
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


\
 
 \ /
  Last update: 2014-11-10 16:41    [W:0.060 / U:4.600 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site