From patchwork Tue Mar 27 14:52:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Kochetkov X-Patchwork-Id: 891654 X-Patchwork-Delegate: hs@denx.de 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=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Bhus6cip"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 409Yx92cxQz9s08 for ; Wed, 28 Mar 2018 01:56:13 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id D51C8C2205E; Tue, 27 Mar 2018 14:54:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=FREEMAIL_FROM, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 3819EC22067; Tue, 27 Mar 2018 14:54:23 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 08F3AC22009; Tue, 27 Mar 2018 14:52:46 +0000 (UTC) Received: from mail-lf0-f67.google.com (mail-lf0-f67.google.com [209.85.215.67]) by lists.denx.de (Postfix) with ESMTPS id 15BC5C22047 for ; Tue, 27 Mar 2018 14:52:46 +0000 (UTC) Received: by mail-lf0-f67.google.com with SMTP id x205-v6so33766359lfa.0 for ; Tue, 27 Mar 2018 07:52:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=k1ucbLiWdhupo3+DsEFvSHM39A803OvzHgOClbBZfwo=; b=Bhus6cipRgTkMNN/3UHDbt0kNVdzo1LtYERUI50AAqCbNWlgTF4TlK/RwguJ/FQR+4 nNlDq8tAsbTpWv5VvcB2sK+KRajo2Xm8wk2n4QvCZG/Ks58jhz8NPnx66t5PSX65UBNc mtH7guoNIyUyyhtjteRyMhvnMSAjQTuAu8GPqlFVQlldqGHj4ekHXD1RoHDzFUmxP2bH Vb4iLBROk0pVRJeoE/eIxqyo/INaaFjpxIaP8gNjfV9LVGHfrd1LvxPps+NC8F5a3oBw vPmVoXNhXJlL2gjgirjinx6vyY96e2BH6uj9r6t1ObEvVThueLyix9cX2TSmX7jPAFMk z1mA== 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=k1ucbLiWdhupo3+DsEFvSHM39A803OvzHgOClbBZfwo=; b=FKiwMVYjlkbxYxHJ6suqZJiYI9jdJFzek8oaICGohkUYH1rYOnsneLMUPeKtBb4+kD vDhBtdcpppb519AcGs2Xu0Oz1q5lq/sWl/5LmI9y4gT771g6f1m/titBy5JfITiVfzBM Syd3OCUOsAbhfZS6nJCtSCtetG0oO7QIobn/lCii7XoQ8EzEGygiiUbstk3Q8D8l3Yzq fN2sMKOfa1fkPTM7i6dMhcFKZe1cEGbbVS4dA64S1DlToeA2wcVa+EN0cpoQ/KVlzhHP bDxfxeu6mpI7qDOHA8jQMZodZB+fslK0jwdGzFVRypq+ZzyIAT3A6GQ6787Rj+pJkJPM eC5Q== X-Gm-Message-State: AElRT7EWYydLRbGywEH1HOE+6XnrU68F4lbMgAL/pFyk85refHrFB+AT xBDK7iCnrXLU7W2Wj3AHTR88fg== X-Google-Smtp-Source: AIpwx4+S3AxdtYZsk2V8LL7WsDbMRTCOvdlt2/+OhQP7YnwYgieETuJeXUIEVs239CfaOnEF+urp9Q== X-Received: by 2002:a19:7904:: with SMTP id u4-v6mr7079145lfc.129.1522162365371; Tue, 27 Mar 2018 07:52:45 -0700 (PDT) Received: from ubuntu.lintech.local ([185.35.119.87]) by smtp.gmail.com with ESMTPSA id e11sm251788ljb.46.2018.03.27.07.52.44 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 27 Mar 2018 07:52:44 -0700 (PDT) From: Alexander Kochetkov To: u-boot@lists.denx.de Date: Tue, 27 Mar 2018 17:52:26 +0300 Message-Id: <1522162347-30184-2-git-send-email-al.kochet@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1522162347-30184-1-git-send-email-al.kochet@gmail.com> References: <1522162347-30184-1-git-send-email-al.kochet@gmail.com> Subject: [U-Boot] [PATCH v2 1/2] dm: i2c: dts: Add gpios and pinctrl device tree properties X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" The commit describe usage of gpios and pinctrl device tree properties in order to enable gpio-based software deblocking. Signed-off-by: Alexander Kochetkov --- doc/device-tree-bindings/i2c/i2c.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/doc/device-tree-bindings/i2c/i2c.txt b/doc/device-tree-bindings/i2c/i2c.txt index ea918dd..de818d4 100644 --- a/doc/device-tree-bindings/i2c/i2c.txt +++ b/doc/device-tree-bindings/i2c/i2c.txt @@ -12,6 +12,11 @@ property which allows the chip offset length to be selected. Optional properties: - u-boot,i2c-offset-len - length of chip offset in bytes. If omitted the default value of 1 is used. +- gpios = , ; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&i2c_xfer>; + pinctrl-1 = <&i2c_gpio>; + Pin description for I2C bus software deblocking. Example @@ -26,3 +31,11 @@ i2c4: i2c@12ca0000 { ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>; }; }; + +&i2c1 { + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&i2c1_xfer>; + pinctrl-1 = <&i2c1_gpio>; + gpios = <&gpio1 26 GPIO_ACTIVE_LOW>, /* SDA */ + <&gpio1 27 GPIO_ACTIVE_LOW>; /* SCL */ +};