From patchwork Wed Nov 15 20:57:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 10060263 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2BCB160231 for ; Wed, 15 Nov 2017 20:58:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 153EF2A020 for ; Wed, 15 Nov 2017 20:58:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 092772A2C7; Wed, 15 Nov 2017 20:58:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6D3BA2A020 for ; Wed, 15 Nov 2017 20:58:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=bN87DG01PK735L8I6kP/TSjXhj98ffNa3NyRdPsMAwQ=; b=fYC ffxRZBX54noABlBAYt4w8S8R7cAT1M6KkzFBd9sy0bWaLMU3V5VUb86YufNOJ5srY0ATo/Jq74WnW gbRdOHOuBMwrVB/QRkG7RaXj6fjOUY6o7/x67dtnkHq3AWbn2mxwiCVWMH7L00szYKCYQdKKbJaHL LD3Pe768RX/ehmoxZO3uTisiUifOoAo8i3pkdGUXMm1AOz3Mv4AAa6iJl6HjmBXjSQ/OWG0l2nxUk GIvEjacCLSa3p0QUlPFqTyeVnE6PCNac+pMr3pPEVxJOCJgIZesfOZ2OQiFq6pM7pfdSQfdrJWUVO qotHkeSE6ar/kQI2oSZecjOuANRSLeg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eF4lQ-0005y9-2B; Wed, 15 Nov 2017 20:58:28 +0000 Received: from mout.kundenserver.de ([212.227.126.135]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eF4lM-0005os-41; Wed, 15 Nov 2017 20:58:26 +0000 Received: from localhost.localdomain ([95.90.209.107]) by mrelayeu.kundenserver.de (mreue002 [212.227.15.167]) with ESMTPSA (Nemesis) id 0Ll5ba-1enaYb28xi-00b5xd; Wed, 15 Nov 2017 21:57:51 +0100 From: Stefan Wahren To: Eric Anholt , Rob Herring , Mark Rutland Subject: [PATCH] ARM: dts: bcm2835-rpi: Avoid conflicts on i2c0 Date: Wed, 15 Nov 2017 21:57:04 +0100 Message-Id: <1510779424-642-1-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 X-Provags-ID: V03:K0:uWWbfj4PF7ZfVmp6HZPCJ3U9n9CqGoQXBKwdzjmQ2adas3tFfCy g489YEcYRAXIGFAbzsdhCGYAECjuwoxLKr7UaDgYvgt1L9UDSLKIYzozl4EuDOgnuzYWE72 kbzT+Iee/gH3ibOoV7nbNzlkwjhXWrwsjxFKK7h0XAPKoWuX6QAzn+8iwv2pp1xif4ASn54 KcC69kPNo6/i+wOYtDISQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:fvQ6VRj+OGE=:LpDO0Sc81Fic4P7gnT2aEx EnhXVqMngf/xXOd3nqjY6Trrs2lcNcD3b82eufQFpntPjBJf4bddUhubbtDc2im5LIQ6shwxT ybI11fXks9G4Qc3Rdx2+ZC06U/Nbgb47OAIQ/Rm2+GQjsUZNfm/m+aqJ4orUsN1Bsjz9nFr0W 3Q0IWdgpIOqXv0NKjVbKi5Dr4Y6eBvhHl+x8oBYEmPqsMMUf05/5nnNrjroTkWIIa/AEWv3CI 0B6fKrDRAxY0RrnOqMg1q464GML59nYjF1C3DppA3nWTuIfab+WApeXvz4tUOTwrt8Qc7NCzM R2ChNFgEO2iZc2ed3i756y5oC1y35nbtSnhjltF9I8mx5stwP9MfsEwtQOGCWVcxaQ6MN9PHW jdycA41j8n7hWGM7NNo7+/OTDRfmilx43XPSAXawEJ7OBJjtH+uQLA47Qxcx6md9XYG5kgrnM TGTxygfCMMC2XsqP3wfQI7rrjghOF0sWttCvI+tMEUrNofE7BXvVMcAc9D1qIHa4EVfHleLCU pBFTpkSm7aHLSZ1MMKSMCDgLk7zR0CCpbgxNhKm0lp8FOcdkTj+N3KPWqRCfmzLO5mgFQIJzl rLeOOMEJYeKQZO/D/Yq2jkyMVP7aCzuA19myLajvuDk0m3kRWvkECDmknEdNXvg2jFz5IAVWH bJKi8S0lpcBZjK76PeJ7RoE10sNtegKrVqHS0O11QEa8/K3EVJ84RyyAYXLRaYxh7PjSkQbh6 GKHx0+h15V15SIqWzqSFp9QRrF9lOQ0LbBADJA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171115_125824_503244_4803A79D X-CRM114-Status: UNSURE ( 7.57 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Wahren , devicetree@vger.kernel.org, Florian Fainelli , Scott Branden , pbrobinson@gmail.com, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The GPU firmware of the Raspberry Pi 3 uses i2c0 to communicate to the FXL6408 gpio expander. It's a bad idea to use the same interface from the ARM side. Since this interface isn't used by the other RPi boards, it's save to remove the complete node and avoid this conflict. Signed-off-by: Stefan Wahren Fixes: 9d56c22a7861 ("ARM: bcm2835: Add devicetree for the Raspberry Pi 3.") --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index e36c392..995d17b 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -44,13 +44,6 @@ }; }; -&i2c0 { - pinctrl-names = "default"; - pinctrl-0 = <&i2c0_gpio0>; - status = "okay"; - clock-frequency = <100000>; -}; - &i2c1 { pinctrl-names = "default"; pinctrl-0 = <&i2c1_gpio2>;