From patchwork Wed Jan 11 19:57:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 641405 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 C3255C678D5 for ; Wed, 11 Jan 2023 20:00:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235717AbjAKUAz (ORCPT ); Wed, 11 Jan 2023 15:00:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239504AbjAKUAN (ORCPT ); Wed, 11 Jan 2023 15:00:13 -0500 Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 897BC42E04 for ; Wed, 11 Jan 2023 11:57:58 -0800 (PST) Received: by mail-lf1-x129.google.com with SMTP id bu8so25173808lfb.4 for ; Wed, 11 Jan 2023 11:57:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Ht3zSGSj2eFqzl5LX1pgp8D+J5K5Oiem2nBvVfvaaLM=; b=R02ddUuuE8GyNN6RR7c78iWWVUtiS7JIMVEcf7h6nCPPgKDws8JNnQrd57A5Q1JIFH zQevyUoIhr9bWjyaFFUg+mzaThKObrhZnXze+pgfcgJweiivbUwzszy45Pg7C+ldFboS O+XRxLcb7S2Ojh3Q6HtfMLgjHAL1f5NGkPOyjGDd4SP1Hhe7YwbpJyzCNHLUNiwCXNPX UZ/d1YnqpnuBEus/DZg6XxCnU0fq8eqkd7zt3Aox0sx7YGtwlYR/2dmV6vY0pPWHo79W GamzYeQ+RnCoJj6KYrprbiKRmybI3LS0uANgCxyozZeBR00FVaykpOmpcC5pzFH5EU91 m1zQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Ht3zSGSj2eFqzl5LX1pgp8D+J5K5Oiem2nBvVfvaaLM=; b=I/8X8xKSuhn2XL+LulujPx85jq3LUECOV2nwsjmX5v3qfO0ap+8+smzHbqAqHz1XwC AJ581RtJmGie+knvtyhFhrfHYVxI1/6cd0g/tw9W65UjNDZUQkTZLqfQXYAiGuoXBnJp VUKSoc4ZUl2E1oXntlndEbqPVkweDi/6io/iT2AI5X3rY80zJm4qaHbKwxuEup2mFl9m JsrwxF9w1lMLmZCnLSQE5aK4Oe+IR8Id+1JFDDhX9Z9LSv+Q9sMhJfJEQ4kaWSs63XXs G2iMxXooroIuzWpGVWeu++bX7bCYHvP280KuR0jW4RrNQD1M3CCnDac+H5qIVwReSQO1 erQw== X-Gm-Message-State: AFqh2krUPDQ24agj0CqLitfed55z4I/31QJonFl+Frx/uAiCtXvF+vVH igbVwAAKN63BujfvKm/HKLCUfw== X-Google-Smtp-Source: AMrXdXvosVgXGRsH5lXQ6JZGffvDwcuGo5qCLEUF1HFL6FDNHSi6pqZDdhxgTrk57dreIuECxo+l6g== X-Received: by 2002:a05:6512:2987:b0:4a4:68b7:d642 with SMTP id du7-20020a056512298700b004a468b7d642mr20954698lfb.41.1673467076743; Wed, 11 Jan 2023 11:57:56 -0800 (PST) Received: from umbar.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id c3-20020ac25f63000000b0049f54c5f2a4sm2872452lfc.229.2023.01.11.11.57.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jan 2023 11:57:56 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Stephen Boyd , Michael Turquette , Rob Herring , Krzysztof Kozlowski , Taniya Das Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/5] dt-bindings: clock: qcom,msm8996-cbf: Describe the MSM8996 CBF clock controller Date: Wed, 11 Jan 2023 22:57:50 +0300 Message-Id: <20230111195754.2593134-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230111195754.2593134-1-dmitry.baryshkov@linaro.org> References: <20230111195754.2593134-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org MSM8996 Core Bus Fabric (CBF) clock controller clocks an interconnect between two CPU clusters. The CBF clock should follow the CPU frequencies to provide enough bandwidth between clusters. Thus a single driver implements both a clock and an interconnect to set the clock rate. Signed-off-by: Dmitry Baryshkov --- .../bindings/clock/qcom,msm8996-cbf.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,msm8996-cbf.yaml diff --git a/Documentation/devicetree/bindings/clock/qcom,msm8996-cbf.yaml b/Documentation/devicetree/bindings/clock/qcom,msm8996-cbf.yaml new file mode 100644 index 000000000000..2080e1743b2e --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,msm8996-cbf.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,msm8996-cbf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm MSM8996 Core Bus Fabric (CBF) clock controller + +maintainers: + - Dmitry Baryshkov + +description: > + The clock controller for the Qualcomm MSM8996 CBF clock, which drives the + interconnect between two CPU clusters. + +properties: + compatible: + const: qcom,msm8996-cbf + + reg: + maxItems: 1 + + clocks: + items: + - description: XO source + - description: SYS APCS AUX clock + + '#clock-cells': + const: 0 + + '#interconnect-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - '#interconnect-cells' + +additionalProperties: false + +examples: + - | + #include + clock-controller@9a11000 { + compatible = "qcom,msm8996-cbf"; + reg = <0x09a11000 0x10000>; + clocks = <&rpmcc RPM_SMD_BB_CLK1>, <&apcs_glb>; + #clock-cells = <0>; + #interconnect-cells = <1>; + }; +...