From patchwork Tue Aug 10 09:31:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 494670 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 40DA1C04FE3 for ; Tue, 10 Aug 2021 09:32:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28FF56105A for ; Tue, 10 Aug 2021 09:32:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239087AbhHJJcz (ORCPT ); Tue, 10 Aug 2021 05:32:55 -0400 Received: from smtp-relay-canonical-0.canonical.com ([185.125.188.120]:42636 "EHLO smtp-relay-canonical-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239047AbhHJJcx (ORCPT ); Tue, 10 Aug 2021 05:32:53 -0400 Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPS id 0ECEC40C78 for ; Tue, 10 Aug 2021 09:32:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1628587950; bh=OzcbdzDbFX/7hdNHc1Uaa9h5AIzXuGJQ7WWbGJRZv2I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=s4IHJeV6bm9XYJ7hCRV5tq6xm0jKcBtwyzQyIDSsNeqkgj8z2x7F212gl8NA+lApX cS8g4rGwJBlqzYZE+uc0ucuzLYF949nJIStpaEwDo6Uo+XcsNoXDQcbGqCWz4yDn96 +3fb2PQQn4YOIl2JhbzgVwc1wOG4HxInwOpBVRmEqQBW0NWqKHQnShwM5MhDBxsdEF jWXFc4Fo/kFEr1rIF6OTNGBJljWVFlr0TVthZEGrH5drVHeuT1IWQOxjjMwA20j44T PudpHNegvYEibsZNwsw/kdi6hU5mYPfEgX3KVyVOHgKTLDW5J60sZVsEuJ2ZUWmBfv UU/kuvSYuqv5w== Received: by mail-ej1-f72.google.com with SMTP id gg1-20020a170906e281b029053d0856c4cdso5354882ejb.15 for ; Tue, 10 Aug 2021 02:32:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OzcbdzDbFX/7hdNHc1Uaa9h5AIzXuGJQ7WWbGJRZv2I=; b=BuXUmcKVIcSVmaYDYmHcVxP/CrMzm2ASVFac+1mDJQvEZ9tLclFRD2gtGbuQe4rw8r UMX0KbHuVzBtPudaqOyadOx2c2M5jZ2Um2F8ZXzVZ26hSy8pn8joE7GWoBV2Dgd9x49u ZyUtUejDo14izbIha+3D66JJkkoEqX97TcVPdutYEKDJ74HoZmiuGjQvOpewRg+ldTni EkvxIDvxQqCttPIROQfMmpHLggpEarhZeeh4s7XzA5UIVOR68+P1BX2Cb3WUZT73ddMc Iby6jMIBYRomL3/dEHjo3VHZe2RHcS0Mptul04WyQHpQtllbb8y6JibRKK2PmHQ5fdPk +30w== X-Gm-Message-State: AOAM531nEilYhUlYbEd5F/SVakcNcK5TjAySj+CznVeGvY2eSb7MHmkM KRhBNSeNm73fWPP3z59pWjifMfzst28W+TlEMR7/utxe1YQRf+3I4NYZgIELyFRPhXQFLjmKtX6 /IR47sIHNnQHV/i3gKHHt3ecQZ9lJBLgZaGmzWS1Bf5qy+HHN X-Received: by 2002:a17:906:1919:: with SMTP id a25mr26443196eje.161.1628587949719; Tue, 10 Aug 2021 02:32:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxEhq+DTJX3If44p8meBN5uqXskUe0qEC5dC6lsnCApRuAsi68OVH0j029oDIRI/IB9Bru+nA== X-Received: by 2002:a17:906:1919:: with SMTP id a25mr26443186eje.161.1628587949557; Tue, 10 Aug 2021 02:32:29 -0700 (PDT) Received: from localhost.localdomain ([86.32.42.198]) by smtp.gmail.com with ESMTPSA id q21sm5117606ejs.43.2021.08.10.02.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Aug 2021 02:32:29 -0700 (PDT) From: Krzysztof Kozlowski To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sam Protsenko Subject: [PATCH v2 2/8] dt-bindings: clock: samsung: add bindings for Exynos external clock Date: Tue, 10 Aug 2021 11:31:39 +0200 Message-Id: <20210810093145.26153-3-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210810093145.26153-1-krzysztof.kozlowski@canonical.com> References: <20210810093145.26153-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Document the bindings for Samsung Exynos external to SoC (oscclk/XXTI/XusbXTI) clock provided on boards. The bindings are already implemented in most of the Exynos clock drivers and DTS files. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- .../clock/samsung,exynos-ext-clock.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml new file mode 100644 index 000000000000..64d027dbe3b2 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,exynos-ext-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC external/osc/XXTI/XusbXTI clock + +maintainers: + - Chanwoo Choi + - Krzysztof Kozlowski + - Sylwester Nawrocki + - Tomasz Figa + +description: | + Samsung SoCs require an external clock supplied through XXTI or XusbXTI pins. + +properties: + compatible: + enum: + - samsung,clock-xxti + - samsung,clock-xusbxti + - samsung,exynos5420-oscclk + + "#clock-cells": + const: 0 + + clock-frequency: true + + clock-output-names: + maxItems: 1 + +required: + - compatible + - clock-frequency + +additionalProperties: false + +examples: + - | + fixed-rate-clocks { + clock { + compatible = "samsung,clock-xxti"; + clock-frequency = <24000000>; + }; + };