From patchwork Wed Nov 2 08:37:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 621508 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 30B31C4332F for ; Wed, 2 Nov 2022 08:38:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230452AbiKBIiR (ORCPT ); Wed, 2 Nov 2022 04:38:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230431AbiKBIiO (ORCPT ); Wed, 2 Nov 2022 04:38:14 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 489AD24F22 for ; Wed, 2 Nov 2022 01:38:13 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id d59-20020a17090a6f4100b00213202d77e1so1464055pjk.2 for ; Wed, 02 Nov 2022 01:38:13 -0700 (PDT) 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=jQnAjVM8KfWMqcwU3yG9m91ABhfRemXy71C0Mul10HU=; b=BI5z3t5yh+o/6QROXQ6AMqcln1aDKa4g86WvBaWv08SoJh/CN4rpQJxusRiuGqubs3 0WKp/NDTUz2/m4GvxtOKJybTLZBtjcCpjj2xkSoaqzwHfLROyh4mIRqDiuEPWkeSsBJz mJ0WEEO7xVScBm9QejSv5iKbaDFRPnEY+LhjOrEGX4V9nOd91nFhC95M0GNBinOthfQA bdH9/BADrpnxUJTwYvjk2RDtf+NFSc3pPYzZs48nYMYxMoj+2vXn6IY4Yb39O1nt+p9A tr6pOV3jUfPvwEL2quP5wv98BXGLmipv9MQoUzIWqMTRMMEMsGTJcY8Ysrf5YeuUYfB+ tdCA== 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=jQnAjVM8KfWMqcwU3yG9m91ABhfRemXy71C0Mul10HU=; b=aDi8UZAOE4EkK1w6wu3ivl5qTXjdH4c5frcjUEf3MqtwcejGyJCoJYafdiAqWbRwMt 9YkVCeRCL3zUOejYgsXap2prAD426L2J/lMD5AEJO8B/g9qXuUh2AUuM0g813vMGELv7 1lGR2MxyxcRzpg66pIRQaD1SQiLgKfKgjfMZ+43te6GLWfwfF17oNUGErjSlYIQnj+iK Toagr1/zdRNLaMzs5Gl+IUo6QrB12yfofPRNa6LfqLpC9jv8hEhiMk0yGIA3RiBaOB+C QPAT3Ky5isEBBT+wO+fJJNzHb/Kd8oYoTkTDuywiJJf+E591Mf2dZ/GTUsVAMOAXbZhH 6xMA== X-Gm-Message-State: ACrzQf2se6NXckAsqXhxS+e/9sAnjIQ2JyItMD+iZ2lys41DQdfBWQ1n 8mc/JuQZN+3eP1cu1CEo24yF X-Google-Smtp-Source: AMsMyM77dg5YxTTvjtwAYBd+pJTnRDwtud450+37wTGwfMoZBBFV0IUkYDuLrrWRee0lywU00ZFaSw== X-Received: by 2002:a17:90b:1bc1:b0:213:e2af:b1f4 with SMTP id oa1-20020a17090b1bc100b00213e2afb1f4mr15165846pjb.47.1667378292730; Wed, 02 Nov 2022 01:38:12 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.178]) by smtp.gmail.com with ESMTPSA id x19-20020aa79573000000b0056bcb102e7bsm7887770pfq.68.2022.11.02.01.38.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 01:38:11 -0700 (PDT) From: Manivannan Sadhasivam To: andersson@kernel.org, viresh.kumar@linaro.org, krzysztof.kozlowski+dt@linaro.org, rafael@kernel.org, robh+dt@kernel.org Cc: johan@kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Manivannan Sadhasivam , Rob Herring Subject: [PATCH v3 1/3] dt-bindings: cpufreq: cpufreq-qcom-hw: Add cpufreq clock provider Date: Wed, 2 Nov 2022 14:07:49 +0530 Message-Id: <20221102083751.56330-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221102083751.56330-1-manivannan.sadhasivam@linaro.org> References: <20221102083751.56330-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Qualcomm platforms making use of CPUFreq HW Engine (EPSS/OSM) supply clocks to the CPU cores. Document the same in the binding to reflect the actual implementation. CPUFreq HW will become the clock provider and CPU cores will become the clock consumers. The clock index for each CPU core is based on the frequency domain index. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Rob Herring --- .../devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml index cbba8979fe0e..2e0336163ffb 100644 --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml @@ -57,6 +57,9 @@ properties: '#freq-domain-cells': const: 1 + '#clock-cells': + const: 1 + required: - compatible - reg @@ -84,6 +87,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_0>; qcom,freq-domain = <&cpufreq_hw 0>; + clocks = <&cpufreq_hw 0>; L2_0: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -100,6 +104,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_100>; qcom,freq-domain = <&cpufreq_hw 0>; + clocks = <&cpufreq_hw 0>; L2_100: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -113,6 +118,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_200>; qcom,freq-domain = <&cpufreq_hw 0>; + clocks = <&cpufreq_hw 0>; L2_200: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -126,6 +132,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_300>; qcom,freq-domain = <&cpufreq_hw 0>; + clocks = <&cpufreq_hw 0>; L2_300: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -139,6 +146,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_400>; qcom,freq-domain = <&cpufreq_hw 1>; + clocks = <&cpufreq_hw 1>; L2_400: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -152,6 +160,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_500>; qcom,freq-domain = <&cpufreq_hw 1>; + clocks = <&cpufreq_hw 1>; L2_500: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -165,6 +174,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_600>; qcom,freq-domain = <&cpufreq_hw 1>; + clocks = <&cpufreq_hw 1>; L2_600: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -178,6 +188,7 @@ examples: enable-method = "psci"; next-level-cache = <&L2_700>; qcom,freq-domain = <&cpufreq_hw 1>; + clocks = <&cpufreq_hw 1>; L2_700: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -198,6 +209,7 @@ examples: clock-names = "xo", "alternate"; #freq-domain-cells = <1>; + #clock-cells = <1>; }; }; ...