From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754116AbbANQWX (ORCPT ); Wed, 14 Jan 2015 11:22:23 -0500 Received: from down.free-electrons.com ([37.187.137.238]:45284 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753711AbbANQWS (ORCPT ); Wed, 14 Jan 2015 11:22:18 -0500 From: Alexandre Belloni To: Felipe Balbi Cc: Boris Brezillon , Alexandre Belloni , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Arnd Bergmann , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jean-Jacques Hiblot Subject: [PATCH 02/12] mfd: syscon: Add Atmel Matrix bus DT binding documentation Date: Wed, 14 Jan 2015 17:21:54 +0100 Message-Id: <1421252524-24452-3-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1421252524-24452-1-git-send-email-alexandre.belloni@free-electrons.com> References: <1421252524-24452-1-git-send-email-alexandre.belloni@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Boris Brezillon The Matrix registers are provided to configure internal bus behavior on at91 SoCs. Some registers might be accessed by several drivers (e.g. to configure external memory bus timings), hence we declare this register set as a syscon device. Signed-off-by: Boris Brezillon Acked-by: Lee Jones --- .../devicetree/bindings/mfd/atmel-matrix.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txt diff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt new file mode 100644 index 000000000000..e3ef50ca02a5 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt @@ -0,0 +1,24 @@ +* Device tree bindings for Atmel Bus Matrix + +The Bus Matrix registers are used to configure Atmel SoCs internal bus +behavior (master/slave priorities, undefined burst length type, ...) + +Required properties: +- compatible: Should be one of the following + "atmel,at91sam9260-matrix", "syscon" + "atmel,at91sam9261-matrix", "syscon" + "atmel,at91sam9263-matrix", "syscon" + "atmel,at91sam9rl-matrix", "syscon" + "atmel,at91sam9g45-matrix", "syscon" + "atmel,at91sam9n12-matrix", "syscon" + "atmel,at91sam9x5-matrix", "syscon" + "atmel,sama5d3-matrix", "syscon" +- reg: Contains offset/length value of the Bus Matrix + memory region. + +Example: + +matrix: matrix@ffffec00 { + compatible = "atmel,sama5d3-matrix", "syscon"; + reg = <0xffffec00 0x200>; +}; -- 2.1.0