From patchwork Thu Apr 3 17:59:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Soren Brinkmann X-Patchwork-Id: 336700 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4EDF814008C for ; Fri, 4 Apr 2014 04:59:50 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753249AbaDCR7t (ORCPT ); Thu, 3 Apr 2014 13:59:49 -0400 Received: from mail-qc0-f175.google.com ([209.85.216.175]:50818 "EHLO mail-qc0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753194AbaDCR7r (ORCPT ); Thu, 3 Apr 2014 13:59:47 -0400 Received: by mail-qc0-f175.google.com with SMTP id e16so2241148qcx.6 for ; Thu, 03 Apr 2014 10:59:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id; bh=YoICqSSQhYf0xbnb7FPf7gFWkGirlS4XfSxU+Gr9mkQ=; b=NnNsqLGcyjLS3IZuQjK7qHy67Bp9aj96eZfKrflHPQylrxx8qck8rrRtOE6MOJeLND dkumh+XbpZaCtF7IGwEOMbKjuDVCHZ+NN0O2DqDo+nwpCIF+T/8toARba/mb3wTg+09O FiXiF78Ltcw67yS947fdypahaUyqGs2xAr3KwObVbB1bLAHsNxG63mCt/JVbRC9lBuOS ODdffbIq8J3GndNNb5fCm5e3mZ1hc29DLtyaCP0tMyz/x6GiZ3UHNF3yT1D12FC2uk9I dwuMUsDIIOwjI6G+ZkTA6RFdhR+Zmd8MjMNw+NiogOV4wN+Zu/LNzmP7Krp0oTm3GT+K gExA== X-Received: by 10.140.86.166 with SMTP id p35mr8471992qgd.81.1396547985576; Thu, 03 Apr 2014 10:59:45 -0700 (PDT) Received: from localhost ([149.199.62.254]) by mx.google.com with ESMTPSA id w35sm7754688qgw.4.2014.04.03.10.59.43 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 03 Apr 2014 10:59:44 -0700 (PDT) From: Soren Brinkmann To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , Russell King , Wolfram Sang , Grant Likely , Michal Simek Cc: Mike Looijmans , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Harini Katakam , linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, =?UTF-8?q?S=C3=B6ren=20Brinkmann?= Subject: [PATCH v4 1/3] i2c: cadence: Document device tree bindings Date: Thu, 3 Apr 2014 10:59:25 -0700 Message-Id: <1396547967-19260-1-git-send-email-soren.brinkmann@xilinx.com> X-Mailer: git-send-email 1.9.1.1.gbb9f595 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add device tree binding documentation for the Cadence I2C controller. Signed-off-by: Soren Brinkmann --- Changes in v4: - moved adding DT docs into this dedicated patch Changes in v3: None Changes in v2: None --- .../devicetree/bindings/i2c/i2c-cadence.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-cadence.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-cadence.txt b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt new file mode 100644 index 000000000000..685adf513111 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt @@ -0,0 +1,21 @@ +Binding for the Cadence I2C controller + +Required properties: + compatible: Compatibility string. Must be 'cdns,i2c-r1p10'. + clocks: From common clock bindings. Phandle to input clock. + +Optional properties: + clock-frequency: Desired operating frequency, in Hz, of the bus (actual may + be lower). Defaults to 400000 if not specified. + +Example: + + i2c@e0004000 { + compatible = "cdns,i2c-r1p10"; + clocks = <&clkc 38>; + interrupts = <0 25 4>; + reg = <0xE0004000 0x1000>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + };