From: Linus Walleij <linus.walleij@linaro.org>
Date: Thu, 4 Feb 2016 13:53:12 +0000 (+0100)
Subject: Documentation/DT: add blurb for IB2 syscon to Versatile
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1a66ab2ddc4756ee2887301a55d502139fe37e73;p=linux-beck.git

Documentation/DT: add blurb for IB2 syscon to Versatile

The ARM Versatile has an optional daughterboard, if this is
mounted, we need to be able to access its system controller.
Put in a documentation blurb for this.

Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards
index 0226bc2cc1f6..ab318a56fca2 100644
--- a/Documentation/devicetree/bindings/arm/arm-boards
+++ b/Documentation/devicetree/bindings/arm/arm-boards
@@ -93,6 +93,14 @@ Required nodes:
   a core-module with regs and the compatible strings
   "arm,core-module-versatile", "syscon"
 
+Optional nodes:
+
+- arm,versatile-ib2-syscon : if the Versatile has an IB2 interface
+  board mounted, this has a separate system controller that is
+  defined in this node.
+  Required properties:
+  compatible = "arm,versatile-ib2-syscon", "syscon"
+
 ARM RealView Boards
 -------------------
 The RealView boards cover tailored evaluation boards that are used to explore