From patchwork Mon Aug 9 12:05:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 494676 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=ham 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 354E8C41537 for ; Mon, 9 Aug 2021 12:07:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 186A960F8F for ; Mon, 9 Aug 2021 12:07:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234861AbhHIMH4 (ORCPT ); Mon, 9 Aug 2021 08:07:56 -0400 Received: from smtp-relay-canonical-0.canonical.com ([185.125.188.120]:45246 "EHLO smtp-relay-canonical-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234655AbhHIMH4 (ORCPT ); Mon, 9 Aug 2021 08:07:56 -0400 Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (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 000EF3F34E for ; Mon, 9 Aug 2021 12:07:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1628510854; bh=OzcbdzDbFX/7hdNHc1Uaa9h5AIzXuGJQ7WWbGJRZv2I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=vT5aS4I5Kdj47PGmMYysl39CKw+RMVFUfbMraIe3NfVCF40EwBZgAgf6wDAc3gyB2 u5zo87/Qbr5O3M4FIxWDd/AFWK8N77omRjz/mI+QRF0vR5GyP2S1QL+OpRHJqOUuM8 RmBETDakSc/xYhhj0A7Zs4/sJop1FsCCMbyrSxLMgH4AxAWr5z4hKuzCW/dt7nFlOw 3uWkatC0i8Y49pbvjuEEpkLWY2rlJlJTIPndSAQ93VizXDAFxasU4go48+CPZ0pjIu cP1laEpXLGW9iXHw4GJnv0hxZ0kr2sgBSjzQKky+kCn/7pqGogt8wvyUWZgtExvjEy if85n0IvO5SaQ== Received: by mail-ed1-f69.google.com with SMTP id v20-20020aa7d9d40000b02903be68450bf3so964722eds.23 for ; Mon, 09 Aug 2021 05:07:34 -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=sWlmo+Jf1PGGltGRv60WqaotQpfuMiHm3fB0UE8qocg7yv41jRBvmOTomlqsOzD8yW dE4SFi2QPGbbExH5+BoEL4q3fIk4bWiJ2YordLZucsKx5UduT/JK1RsohEPAfA5wdmBV t6hPAYQUbZ1ijG3UFOqTYZeKVoyfE4cORA1+LekztPfnyfR4xTHfpWVtFBwiPojfh2zR R6+Toaufy/C3wuT/RYo8pDYQoJ7wyiB+phm+JqKKXa6P17lG3P+Vs3zPF344hK2LJQmb UiDRWSJaLpV3jPGCtqKPaPvPU8PekdfjKPUoFirutNFyV1LsMig5bO/panRZmULWXitU Qm5Q== X-Gm-Message-State: AOAM531TE3UF55XCSnAQdxVNLkWuHIwUH6J5c4BHVln7QFZrS83D1gL2 I2fmBmqustDuCPXhfSTqPOFpzPB8CBGGjG9bAq76eU9eijT1oZ+fpwCAH5JtE7RqFyg89zI/qjY s03G+orX6Gs56NBUxxUAyjGHbKJ+lRLLvFEFDVc+Yypi/m6gr X-Received: by 2002:aa7:dc02:: with SMTP id b2mr28698703edu.46.1628510854767; Mon, 09 Aug 2021 05:07:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwl0z9zY6TIRsWFOr2u74gnQQlWSGYod2iNeNyrZ86XebFxOWaMyJnUCR3NQeVehyALnrzY2g== X-Received: by 2002:aa7:dc02:: with SMTP id b2mr28698690edu.46.1628510854621; Mon, 09 Aug 2021 05:07:34 -0700 (PDT) Received: from localhost.localdomain ([86.32.42.198]) by smtp.gmail.com with ESMTPSA id i6sm8084863edt.28.2021.08.09.05.07.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Aug 2021 05:07:34 -0700 (PDT) From: Krzysztof Kozlowski To: Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Sam Protsenko Subject: [PATCH 2/3] dt-bindings: clock: samsung: add bindings for Exynos external clock Date: Mon, 9 Aug 2021 14:05:43 +0200 Message-Id: <20210809120544.56596-2-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210809120544.56596-1-krzysztof.kozlowski@canonical.com> References: <20210809120544.56596-1-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 --- .../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>; + }; + };