From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE10AC432C0 for ; Mon, 25 Nov 2019 17:06:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 994C620674 for ; Mon, 25 Nov 2019 17:06:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AC9QJrOj"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gerhold.net header.i=@gerhold.net header.b="T8yoEPl6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 994C620674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gerhold.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=nyXUaEvWj4hquFQ/kPZgdhRopcIb49WZHmp8TLSzyfs=; b=AC9QJrOjTWa/eU KgoBlcScc6HUr1e6EmSQ56REUuH1W/xPEDtqZ7q4tDkTJ6PFofFV8E2GYFylSf9dPuyBIGT1chI2T jLSR5ZvfLPyzwhwKYT/sguVXt7kmWKidwZpqm85VNsoNCVyWvaH9in96i4ot+qjyo+coF99bRyL61 cghGxomfE3gmnmub0S+ZNELz6Ql8sgS5otvi+V/ATTl42cKrZcaiMXDDpw299veMQl558w/8SDQ+F Acy3JCKPQeHujGvqRUketXMdUEKLivBIyutmk0n4hEdZV8KRbbesKouQqunu6SeL8qsH7tmmGWkgs pKV30Znr05BG30S3ZSHw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iZHoT-0003wo-SJ; Mon, 25 Nov 2019 17:06:13 +0000 Received: from mo6-p01-ob.smtp.rzone.de ([2a01:238:20a:202:5301::8]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iZHnz-0003Vu-Ix for linux-arm-kernel@lists.infradead.org; Mon, 25 Nov 2019 17:05:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1574701541; s=strato-dkim-0002; d=gerhold.net; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=4T58iZwAhzibbxA38Ty05T3UHM/dV8EZ97kepZ5ETG4=; b=T8yoEPl6eLIWv2ZHw6CnyJetVuIx1j3N2DHcyxsVrXhLb/AiT82GiITGcPym5DlObI 6oVSN6r9dHatRwZO/wa2d002ji7gmcuu+k6UOnsvjExLh3X+ldPXdVtjWF0cW03lKJ6j pz4XvP0+ixLqL5OAxMVHdurzpi4N25gEqbr/2lb0S6e7yVf6B2zu91MuNmpg0vFJeu2z kPjdqxTP2AXqaPi9HPwezD/ma3QFOzR26gRsRDJy/nLkGi5h3Bx0lZ0p4COHRMfc4kGt ZvHMuknUVLEXyqqhEoy3FitPyvwFEdgImPanX6+J1CDJE7wc3q12siCpJ8+AwWWJCq2g mAIQ== X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVORvLd4SsytBXQr4OGUPX+1NmWArOmLo=" X-RZG-CLASS-ID: mo00 Received: from localhost.localdomain by smtp.strato.de (RZmta 45.0.2 DYNA|AUTH) with ESMTPSA id 304194vAPH5c2r7 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Mon, 25 Nov 2019 18:05:38 +0100 (CET) From: Stephan Gerhold To: Linus Walleij Subject: [PATCH 2/4] ARM: dts: ux500: Add aliases for I2C and SPI buses Date: Mon, 25 Nov 2019 18:04:26 +0100 Message-Id: <20191125170428.76069-2-stephan@gerhold.net> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191125170428.76069-1-stephan@gerhold.net> References: <20191125170428.76069-1-stephan@gerhold.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191125_090544_224107_1F62956B X-CRM114-Status: GOOD ( 11.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Stephan Gerhold , linux-kernel@vger.kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that we disable the I2C/SPI buses by default, is is even more important to assign aliases to the I2C/SPI device nodes. Otherwise, enabling/disabling one of them will potentially change all device IDs, e.g. i2c2 will be named i2c-0 if it is the only enabled I2C bus. Add aliases for the I2C and SPI buses to avoid this. Signed-off-by: Stephan Gerhold --- arch/arm/boot/dts/ste-dbx5x0.dtsi | 35 +++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi index 899368aa6ff7..ed91232a118a 100644 --- a/arch/arm/boot/dts/ste-dbx5x0.dtsi +++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi @@ -13,6 +13,19 @@ #address-cells = <1>; #size-cells = <1>; + /* This stablilizes the device enumeration */ + aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + i2c3 = &i2c3; + i2c4 = &i2c4; + spi0 = &spi0; + spi1 = &spi1; + spi2 = &spi2; + spi3 = &spi3; + }; + chosen { }; @@ -633,7 +646,7 @@ }; }; - i2c@80004000 { + i2c0: i2c@80004000 { compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell"; reg = <0x80004000 0x1000>; interrupts = ; @@ -650,7 +663,7 @@ status = "disabled"; }; - i2c@80122000 { + i2c1: i2c@80122000 { compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell"; reg = <0x80122000 0x1000>; interrupts = ; @@ -668,7 +681,7 @@ status = "disabled"; }; - i2c@80128000 { + i2c2: i2c@80128000 { compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell"; reg = <0x80128000 0x1000>; interrupts = ; @@ -686,7 +699,7 @@ status = "disabled"; }; - i2c@80110000 { + i2c3: i2c@80110000 { compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell"; reg = <0x80110000 0x1000>; interrupts = ; @@ -704,7 +717,7 @@ status = "disabled"; }; - i2c@8012a000 { + i2c4: i2c@8012a000 { compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell"; reg = <0x8012a000 0x1000>; interrupts = ; @@ -722,7 +735,7 @@ status = "disabled"; }; - spi@80002000 { + ssp0: spi@80002000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x80002000 0x1000>; interrupts = ; @@ -738,7 +751,7 @@ status = "disabled"; }; - spi@80003000 { + ssp1: spi@80003000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x80003000 0x1000>; interrupts = ; @@ -754,7 +767,7 @@ status = "disabled"; }; - spi@8011a000 { + spi0: spi@8011a000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x8011a000 0x1000>; interrupts = ; @@ -771,7 +784,7 @@ status = "disabled"; }; - spi@80112000 { + spi1: spi@80112000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x80112000 0x1000>; interrupts = ; @@ -788,7 +801,7 @@ status = "disabled"; }; - spi@80111000 { + spi2: spi@80111000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x80111000 0x1000>; interrupts = ; @@ -805,7 +818,7 @@ status = "disabled"; }; - spi@80129000 { + spi3: spi@80129000 { compatible = "arm,pl022", "arm,primecell"; reg = <0x80129000 0x1000>; interrupts = ; -- 2.24.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel