From patchwork Tue Apr 12 13:57:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Griffin X-Patchwork-Id: 65624 Delivered-To: patch@linaro.org Received: by 10.140.93.198 with SMTP id d64csp1935954qge; Tue, 12 Apr 2016 06:58:03 -0700 (PDT) X-Received: by 10.66.253.68 with SMTP id zy4mr4774401pac.81.1460469479556; Tue, 12 Apr 2016 06:57:59 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i71si10130271pfi.110.2016.04.12.06.57.59; Tue, 12 Apr 2016 06:57:59 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933912AbcDLN5v (ORCPT + 29 others); Tue, 12 Apr 2016 09:57:51 -0400 Received: from mail-wm0-f50.google.com ([74.125.82.50]:33522 "EHLO mail-wm0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933758AbcDLN5q (ORCPT ); Tue, 12 Apr 2016 09:57:46 -0400 Received: by mail-wm0-f50.google.com with SMTP id f198so188901006wme.0 for ; Tue, 12 Apr 2016 06:57:45 -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=3iAO4QfET+KyBMqs9zo2VbgAxOcWWXYZcfRZlwOMxP4=; b=JG1HVGm611APSCoxGDXVgdD9t2QC+1tGM6RA+tc+Ryz/958QjIdytklX3bEu8OtDRE B3DYjxUn4EAjU0qylVvDoHNeK/YRjxD0WnU/TL6Vr8ONA/zbMv7xRrjKSix4gpoBqR++ sjm1sPSXb3O+q8eLZbOdnm1wRAb01E895KN2o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=3iAO4QfET+KyBMqs9zo2VbgAxOcWWXYZcfRZlwOMxP4=; b=ko+sObdcFZbD4waZ+o7pvEFRptOtZt86MXcpHDRAw8MH0z6I0GEOY7L8dlGkWKo8+s 4BV8urjemn86pGmZKOBOXixQnDRcHkkhJqQyeW8ww7KM0q282JqCjViDanzl1dvkeE0t OPtT3m4EOwCcQyY0Z8sPjG/IqncEq/DjwybeDgDDnmpehFcn0tgr22UzTFvBJckAp/Y2 UpYK1Jpk2I3XTNRdzd25GfEeXXK6kd/ByTLxrs6hmmB0Cq4dvKOKfHYfgrQjn0CTW1HB 1vZJCUt6tPeWYfO5H0Lr09S4Sl+9ylXDoJfaotuxav86YvqQFWk1jXgII3zMBC3x1nrW MwxQ== X-Gm-Message-State: AOPr4FXm5d1NoiE6cTaHiHQWs9mv3gzHTic5BJ0XrXEsdW+AjYi809ILjITrH6o7qPjXJk7M X-Received: by 10.194.2.225 with SMTP id 1mr4338000wjx.29.1460469464866; Tue, 12 Apr 2016 06:57:44 -0700 (PDT) Received: from localhost.localdomain (cpc84787-aztw28-2-0-cust15.18-1.cable.virginm.net. [82.37.140.16]) by smtp.gmail.com with ESMTPSA id lh1sm33546922wjb.20.2016.04.12.06.57.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 12 Apr 2016 06:57:43 -0700 (PDT) From: Peter Griffin To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com Cc: peter.griffin@linaro.org, lee.jones@linaro.org, devicetree@vger.kernel.org Subject: [PATCH v2 4/4] ARM: STi: DT: STiH407: Add DT node for at24c256 eeprom Date: Tue, 12 Apr 2016 14:57:28 +0100 Message-Id: <1460469448-9065-5-git-send-email-peter.griffin@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460469448-9065-1-git-send-email-peter.griffin@linaro.org> References: <1460469448-9065-1-git-send-email-peter.griffin@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org More accurately describe the i2c bus hardware by including a dt node for the eeprom device. Now that at24c256 can be accessed via the nvmem framework it allows for example the stmmac driver to be extended to get the MAC address from the at24c256 eeprom. Signed-off-by: Peter Griffin --- Changes in v2: - Add more verbose patch description --- arch/arm/boot/dts/stihxxx-b2120.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) -- 1.9.1 diff --git a/arch/arm/boot/dts/stihxxx-b2120.dtsi b/arch/arm/boot/dts/stihxxx-b2120.dtsi index 133375b..0d7c6dd 100644 --- a/arch/arm/boot/dts/stihxxx-b2120.dtsi +++ b/arch/arm/boot/dts/stihxxx-b2120.dtsi @@ -58,6 +58,15 @@ i2c@9845000 { status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + + eeprom@50 { + compatible = "at,24c256"; + pagesize = <64>; + reg = <0x50>; + }; }; i2c@9540000 {