From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753372AbaKJPOn (ORCPT ); Mon, 10 Nov 2014 10:14:43 -0500 Received: from down.free-electrons.com ([37.187.137.238]:44249 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752229AbaKJPOl (ORCPT ); Mon, 10 Nov 2014 10:14:41 -0500 From: Alexandre Belloni To: Nicolas Ferre Cc: Jean-Christophe Plagniol-Villard , Boris Brezillon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexandre Belloni , devicetree@vger.kernel.org Subject: [PATCH 1/3] ARM: at91: Add Special Function Registers binding documentation Date: Mon, 10 Nov 2014 16:14:29 +0100 Message-Id: <1415632471-14672-1-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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,-sfr", "syscon". + 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