From nobody Wed Feb 11 18:48:55 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E10FC6FA99 for ; Sun, 12 Mar 2023 17:03:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230448AbjCLRDJ (ORCPT ); Sun, 12 Mar 2023 13:03:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231224AbjCLRDA (ORCPT ); Sun, 12 Mar 2023 13:03:00 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CF2339BBC for ; Sun, 12 Mar 2023 10:02:44 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id d36so12842131lfv.8 for ; Sun, 12 Mar 2023 10:02:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678640562; 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=UcgQEUTeekUE+yO0Pfm+bm9izAiSVibcvIffL015exUwnHDJuG8iZEHRC3h2DRu4A8 j6rMpg6coJh4Z8X1Dj/PxIdUxERGROjPj959rb9YoDLajnVivD5BCvErNAS4Bjf/zgyq HElDaIT9e3SNBbFFYtIAXh19eeBdPY7qU/vBaHAiIfq03AhSHyzkiD8TZcckk/nsr5jp 0/fWjXXg2p8+Uk160ywZD/cwDQfZS+o9Bc2Xw2xoWaVAbie9eDuoXrGz8NxXbyI+JRDN W1ZeGeLyx1sVMXgB1PLHnAkJXJQaVrM1RVzqkNghlM2ngaH/mbOcNzaAfOMfUw5feOif o3Gw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678640562; 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=w9eWGQCy7VnHHZ7wSvIcRwLAUwXBYLYtfykn6eDYOfNXMThqm3z2f4V9ev2b49DqHe rxs2oW0nM97EVx8xU++M8nK8WAOfakzG7DOSUKhm04VWDtoIQC68XbwvQijUtUR2Q8si XZ1JkwcGNMwjV9uBQ4ufMacdBD7tdpNCternRKgNHDC9uFke9c4jMs2KBUuUifv2Hl8m Q1r/w/7qTiQn4zSwgViI+1VKxEpo4cRJVxOFNDBtl0/xSCi0t5wyOAQip3Rsm3Gy5hUw Ckacj2z+JMK55mN2EY8fTChIq1X9piUrc3JNa2CSVQZCf8qawFnumD8t+6zvGoZEmBcY ds1Q== X-Gm-Message-State: AO0yUKUX8/BxOnxmVLYYOb+cyxh6Mk9aG9vTggRJNBFMA7LxLa6utkAH TcMOQeyf3bLmynX4PT+0cmLeqFYpnOdRUah6 X-Google-Smtp-Source: AK7set9ZlTH17G0FnW+z13Pb1s3HaUJEmtKLrWEW5BIxE79NrmbvApt2Nmyr1n9kVAWtfq5kdkDqkA== X-Received: by 2002:ac2:563a:0:b0:4de:290:1c0a with SMTP id b26-20020ac2563a000000b004de02901c0amr9292769lff.57.1678640562189; Sun, 12 Mar 2023 10:02:42 -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 b9-20020ac25e89000000b0047f7722b73csm693942lfq.142.2023.03.12.10.02.41 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Mar 2023 10:02:41 -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-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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.y= aml 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 =20 reg: --=20 2.38.3