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[46.138.144.249]) by smtp.gmail.com with ESMTPSA id f2-20020ac25322000000b004ccff7c56a8sm703697lfh.27.2023.03.12.10.02.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Mar 2023 10:02:37 -0700 (PDT) Message-Id: <1678640497.9030156-1-sleirsgoevy@gmail.com> In-Reply-To: <1678640497.9030156-0-sleirsgoevy@gmail.com> From: Sergey Lisov Date: Sun, 12 Mar 2023 19:59:29 +0300 Subject: [PATCH v4 1/3] dt-bindings: exynos-dw-mshc-common: add exynos78xx variants To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Jaehoon Chung Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Some Samsung Exynos boards using the arm64 architecture have DW MMC controllers configured for a 32-bit data bus but a 64-bit FIFO. On these systems the 64-bit FIFO registers must be accessed in two 32-bit halves. Add two new compatible strings, "samsung,exynos78xx-dw-mshc" and "samsung,exynos78xx-dw-mshc-smu" respectively, to denote exynos78xx boards that need this quirk. But it's very possible that all "samsung,exynos7-dw-mshc" boards are actually affected. --- .../devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml index fdaa18481..a72a67792 100644 --- a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml +++ b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml @@ -22,6 +22,8 @@ properties: - samsung,exynos5420-dw-mshc-smu - samsung,exynos7-dw-mshc - samsung,exynos7-dw-mshc-smu + - samsung,exynos78xx-dw-mshc + - samsung,exynos78xx-dw-mshc-smu - axis,artpec8-dw-mshc reg: -- 2.38.3 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C34FAC74A5B for ; Sun, 12 Mar 2023 17:03:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Date:From: In-Reply-To:Message-Id:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=sODxkNpjOzeTHS4D2VvlrneK+YPIAq2PEplIKIJ58Vo=; b=DH8uD+TNJSug9i df9vkFblCznrg2Z3mj1GQRDY/vfo/bxColCNWnIpIFrwGSF53nBMN3ddZUuUd/iZIux9xjrrkC8kz yYwTTp/5YklgWuRNGBvwXuFdzgehS2CQh401XhNtSRukqh9Npo+VdYBOAgMlaaDns2LlCUq0EF0QR lwKtErfV+tCuzB280TDikVND0toQPjH5W96aCcqI7/O4C2DV4QGfAYY1BDXa5mAubvYZ9beWzHkEb PggC2PJsAHcWO7t9qE7bHPBF9lqXBEbQbcvjt3K/UrJILT0d4Jqs/Petn4uS9uxYOAG+lDJwSp3vs YkKiXbxizCcrOU7w1X3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbP5o-002yUW-Gc; Sun, 12 Mar 2023 17:02:44 +0000 Received: from mail-lf1-x12e.google.com ([2a00:1450:4864:20::12e]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pbP5l-002yTm-MD for linux-arm-kernel@lists.infradead.org; Sun, 12 Mar 2023 17:02:42 +0000 Received: by mail-lf1-x12e.google.com with SMTP id f18so12880033lfa.3 for ; Sun, 12 Mar 2023 10:02:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678640560; h=cc:to:subject:date:from:in-reply-to:message-id:from:to:cc:subject :date:message-id:reply-to; bh=bMzb4+f+2BylShTzIH+kD9h/2l/yJ2pk3VVMD+904ak=; b=qzKwSK7XnWyP27UEhZW8todAqPFkH3pQj14YNPRMRL5pORVhH7rW+aqBw+nHBWr/Yu vc79KGS28U9FTt2dvJYrdkXvNwHfYwDHPT38yiN4toMPHb4xVYOa+tKstlDymR0tI8Wc CLbloaCyTIMiLWU8SGAfrudz3yuOj132TH3FFGnrvbfrrKV2tR5csMT404QoVpJOkLD8 nuo/AIZUvGl8l4i9f566vI5vD0AZqbWPdeqK3iezuU4MJmaXl2cKnA+xnbpkdD11XGrD BWjBJHAgvhipICHKbkOmJm5eG4p5oGGbgCbrP4QM4U8KCtGwVmimN/ymFbzL1GXYU+ni NhUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678640560; h=cc:to:subject:date:from:in-reply-to:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=bMzb4+f+2BylShTzIH+kD9h/2l/yJ2pk3VVMD+904ak=; b=cLMDG2RX1cmllfyQ8vL15kDMeblEwYY74xiHIJ90DYhRcV8doDaCMgUGG7POQ8fw6k s54HapVWSBWQMnEpjq+Q9X+jrSlTTfKhbncrPYJ7IzBJ9Y7HXKT48PM7aK+sQUV7zuoI nHKuXEUFsB1B/LsYs7jGDTRFZiNPWvPNEyHviIi1v+qpFUSRTxVvOtc2hVj/YH/9fiMp N28GiiTQiOrh7n94wo3Fag63GsUvFFwIkPG61L/WvublmPaUgO+or/lNkruGglldNLk2 wd7jPPNj8UVkdlXVNx62hGwxsL62Las/LUoNFHZJMNqlpZzDgSV6dEhaOGoHnX6nOlTl flnA== X-Gm-Message-State: AO0yUKXen63DvR+08urKrQMZRrlpPXYze4Lcr1OSGdGyVAKAIH+l450h qxPXHf9XH6Ei4siFpyAqgpXxNI3ZnRBedHX+ X-Google-Smtp-Source: AK7set/a/w+/N8TrtIwfdW17t5xu7XVooEU2gEBlPsCns/tjY41SQSiFK63H563L/TrJCS4mB2x9yw== X-Received: by 2002:a19:ee0f:0:b0:4e8:3f1f:3646 with SMTP id g15-20020a19ee0f000000b004e83f1f3646mr1020900lfb.55.1678640559863; Sun, 12 Mar 2023 10:02:39 -0700 (PDT) Received: from 0001-dt-bindings-exynos-dw-mshc-common-add-exynos78xx-var.patch (46-138-144-249.dynamic.spd-mgts.ru. [46.138.144.249]) by smtp.gmail.com with ESMTPSA id w5-20020ac254a5000000b004a91df49508sm706839lfk.177.2023.03.12.10.02.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Mar 2023 10:02:39 -0700 (PDT) Message-Id: <1678640497.9030156-1-sleirsgoevy@gmail.com> In-Reply-To: <1678640497.9030156-0-sleirsgoevy@gmail.com> From: Sergey Lisov Date: Sun, 12 Mar 2023 19:59:29 +0300 Subject: [PATCH v4 1/3] dt-bindings: exynos-dw-mshc-common: add exynos78xx variants To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Jaehoon Chung Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230312_100241_747707_27DDC634 X-CRM114-Status: UNSURE ( 9.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some Samsung Exynos boards using the arm64 architecture have DW MMC controllers configured for a 32-bit data bus but a 64-bit FIFO. On these systems the 64-bit FIFO registers must be accessed in two 32-bit halves. Add two new compatible strings, "samsung,exynos78xx-dw-mshc" and "samsung,exynos78xx-dw-mshc-smu" respectively, to denote exynos78xx boards that need this quirk. But it's very possible that all "samsung,exynos7-dw-mshc" boards are actually affected. --- .../devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml index fdaa18481..a72a67792 100644 --- a/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml +++ b/Documentation/devicetree/bindings/mmc/samsung,exynos-dw-mshc.yaml @@ -22,6 +22,8 @@ properties: - samsung,exynos5420-dw-mshc-smu - samsung,exynos7-dw-mshc - samsung,exynos7-dw-mshc-smu + - samsung,exynos78xx-dw-mshc + - samsung,exynos78xx-dw-mshc-smu - axis,artpec8-dw-mshc reg: -- 2.38.3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel