From patchwork Sun Jul 1 17:23:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: 'Manivannan Sadhasivam' X-Patchwork-Id: 937598 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="MaSDfffo"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41JcgL0hHnz9s1B for ; Mon, 2 Jul 2018 03:23:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031084AbeGARX4 (ORCPT ); Sun, 1 Jul 2018 13:23:56 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:34825 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031202AbeGARXs (ORCPT ); Sun, 1 Jul 2018 13:23:48 -0400 Received: by mail-pg0-f66.google.com with SMTP id i7-v6so6077389pgp.2 for ; Sun, 01 Jul 2018 10:23:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=P3sErEIs2TdQVU1vCbLuXOpei3kXzzcqD58jTzbNExU=; b=MaSDfffoerGmI+Bo1tCX+ZGDEJX7ped0O9TV7ameQuKICsxXs3a3McpMsqudtpWRhC gX2cOz8tz1JZ+CUKuB/9Ooq1WvkF0uQDUM71k3jYy243ccz5E0Y/lW9iOjd4xPRNh4Gh c3117//4+7y8R8B0mX/WtwXDDbKlCSP4ZVPWY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=P3sErEIs2TdQVU1vCbLuXOpei3kXzzcqD58jTzbNExU=; b=BIJPdCa8NbxGozoNwsCJb7B9Lu+1vis3ou6sTiP0StY3fNDkYc6sRRXm7+QkC98PHo lukrCKLxfj2G9dN7cdeDF7kE/NljEs1NBpUsPLxRWjrs5uifMOWQqRUDJ+YUe9dwhrfC 9F/Cd+KbkLKGr+UUjiuFZ/H4bxrDbNLkOMCs7dcWSIEniHbJXyUKXnFbe3jZksE89RS8 QhRVdsrFnX8fRRkC/NE6UHEYarUnX6IfAmg4mwIjawrQ0TS3qWfzgfpzQFpAk/F/PhFR aj706KQW4MecFh+LzatampUwaH7D1J5gRM8SoxJ8SY2mk+w/uTgyJB6X/Ow0/y2TuBXZ 4lkg== X-Gm-Message-State: APt69E2cD1Le2Xaq95i/4fAIqL7Teewa5qaqcFHMswNOQtlN/U/BsWox dS/B/lHPGB8NmYd9QQiAbtvb X-Google-Smtp-Source: AAOMgpdcyjknHcSRvATYP5VlO9K35sY0r+GXlFeuBGZBOMv1FAVtHSgShmZZkX4uLw3K6gQDdF2fbQ== X-Received: by 2002:aa7:8004:: with SMTP id j4-v6mr22178819pfi.174.1530465827900; Sun, 01 Jul 2018 10:23:47 -0700 (PDT) Received: from localhost.localdomain ([2409:4072:900:ea77:2c06:3367:1893:796]) by smtp.gmail.com with ESMTPSA id f10-v6sm17989836pgr.30.2018.07.01.10.23.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 01 Jul 2018 10:23:47 -0700 (PDT) From: Manivannan Sadhasivam To: wsa@the-dreams.de, robh+dt@kernel.org, afaerber@suse.de Cc: linus.walleij@linaro.org, linux-i2c@vger.kernel.org, liuwei@actions-semi.com, mp-cs@actions-semi.com, 96boards@ucrobotics.com, devicetree@vger.kernel.org, andy.shevchenko@gmail.com, daniel.thompson@linaro.org, amit.kucheria@linaro.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, hzhang@ucrobotics.com, bdong@ucrobotics.com, manivannanece23@gmail.com, thomas.liau@actions-semi.com, jeff.chen@actions-semi.com, Manivannan Sadhasivam Subject: [PATCH v4 1/6] dt-bindings: i2c: Add binding for Actions Semiconductor Owl I2C controller Date: Sun, 1 Jul 2018 22:53:00 +0530 Message-Id: <20180701172305.15663-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180701172305.15663-1-manivannan.sadhasivam@linaro.org> References: <20180701172305.15663-1-manivannan.sadhasivam@linaro.org> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add devicetree binding for Actions Semiconductor Owl I2C controller Signed-off-by: Manivannan Sadhasivam Reviewed-by: Rob Herring --- .../devicetree/bindings/i2c/i2c-owl.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-owl.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-owl.txt b/Documentation/devicetree/bindings/i2c/i2c-owl.txt new file mode 100644 index 000000000000..b743fe444e9f --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-owl.txt @@ -0,0 +1,27 @@ +Actions Semiconductor Owl I2C controller + +Required properties: + +- compatible : Should be "actions,s900-i2c". +- reg : Offset and length of the register set for the device. +- #address-cells : Should be 1. +- #size-cells : Should be 0. +- interrupts : A single interrupt specifier. +- clocks : Phandle of the clock feeding the I2C controller. + +Optional properties: + +- clock-frequency : Desired I2C bus clock frequency in Hz. As only Normal and + Fast modes are supported, possible values are 100000 and + 400000. +Examples: + + i2c0: i2c@e0170000 { + compatible = "actions,s900-i2c"; + reg = <0 0xe0170000 0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + clocks = <&clock CLK_I2C0>; + clock-frequency = <100000>; + };