From patchwork Tue Nov 8 15:40:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13036488 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 7EC4CC433FE for ; Tue, 8 Nov 2022 15:41:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234298AbiKHPlS (ORCPT ); Tue, 8 Nov 2022 10:41:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234337AbiKHPlR (ORCPT ); Tue, 8 Nov 2022 10:41:17 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81C1E5C75A for ; Tue, 8 Nov 2022 07:41:15 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id cl5so21580542wrb.9 for ; Tue, 08 Nov 2022 07:41:15 -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=cWX3PFtX+iNvvcqKHYXPbN+3ItiEZ3sX7UGhc0uTyP8=; b=SN/ia2UBYTbAJSUyCtsXAjcn2MGPRc+MnHdnuBTzTdHL6/hFipntDHQFMypA51YZMc vF969I+0TVmKTFA0XekEhBc1WvoVvgXLLoWmqOQbSslYWBwt3TzT9tnG6YLsOeLpmAIP 9BNiwm77cxLMgrWRJCqeHkLYCLw9CfPHDFJwNpLCElBVvuCnQZWkDmCA9ytnqat7vrD/ 8lB6ehzXdQCw0cHUlHFI8Q+MrMnNZ+rI+r8HVcNfULNgFk80ceY8sRMeGADjiby7A5S4 HaUELXxUV0DkcWvaQRPrQ5auWiXGuPLMvH9KxdyFCvessH5qFe8F2b68CFXnw84UF7vx SGXg== 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=cWX3PFtX+iNvvcqKHYXPbN+3ItiEZ3sX7UGhc0uTyP8=; b=Uim8JV69p+6RsGt+44ZQA64L9NjasACJlMrGoMskgopBnKkLzse2+r+q06iJW9rnhE KqHJKeT9s3du2iekcH1yKDvMrQmJpAjZ3Oj5JSwR+0QmoFWfkFh7dInUzgRnlc8wSwJF FNrUoLMLZ4v2ay0y9bn2KFN3NnCbJtLJIlMMoLD0kEjMgKWyQTbcmGtpm/FqaT6yWUoe y1WvJPa0YQidUeFosX90zl5GZhXGDgPttdvDUQurV2PUzsZvam3iqPF+8ZLi+n5qcO2E PsmLVj5nelY+H4c38/6FHLDpdt48La130f5BrWhhd69tsdChyLgkXrJmp4nMAtlit5Lt loBw== X-Gm-Message-State: ACrzQf0/6cRVVpaq4Us8uYTu8avSFM0PSdyVV4ywNHUO1au6KZd/jjbN iHZ4Xh4PGTx7R5IlbnUPY5dzVOEY0Anw X-Google-Smtp-Source: AMsMyM7EvByKFQE3Sa+3+R8HeZoJMarZqQL6BY912NFMY4JdUPyC0vTdMOrcnrpGDJM2pc7SRtQ4zg== X-Received: by 2002:adf:e64e:0:b0:236:76a9:446 with SMTP id b14-20020adfe64e000000b0023676a90446mr36796027wrn.696.1667922074031; Tue, 08 Nov 2022 07:41:14 -0800 (PST) Received: from localhost.localdomain ([117.207.25.46]) by smtp.gmail.com with ESMTPSA id e4-20020adff344000000b002364c77bc96sm10906899wrp.33.2022.11.08.07.41.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 07:41:12 -0800 (PST) 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 Subject: [PATCH v5 2/3] arm64: dts: qcom: sm8450: Supply clock from cpufreq node to CPUs Date: Tue, 8 Nov 2022 21:10:36 +0530 Message-Id: <20221108154037.111794-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221108154037.111794-1-manivannan.sadhasivam@linaro.org> References: <20221108154037.111794-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Qualcomm platforms making use of CPUFreq HW Engine (EPSS/OSM) supply clocks to the CPU cores. But this relationship is not represented in DTS so far. So let's make cpufreq node as the clock provider and CPU nodes as the consumers. The clock index for each CPU node is based on the frequency domain index. Signed-off-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/sm8450.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index d32f08df743d..234d2722a4fa 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -51,6 +51,7 @@ CPU0: cpu@0 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 0>; L2_0: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -70,6 +71,7 @@ CPU1: cpu@100 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 0>; L2_100: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -86,6 +88,7 @@ CPU2: cpu@200 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 0>; L2_200: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -102,6 +105,7 @@ CPU3: cpu@300 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 0>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 0>; L2_300: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -118,6 +122,7 @@ CPU4: cpu@400 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 1>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 1>; L2_400: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -134,6 +139,7 @@ CPU5: cpu@500 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 1>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 1>; L2_500: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -151,6 +157,7 @@ CPU6: cpu@600 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 1>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 1>; L2_600: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -167,6 +174,7 @@ CPU7: cpu@700 { power-domain-names = "psci"; qcom,freq-domain = <&cpufreq_hw 2>; #cooling-cells = <2>; + clocks = <&cpufreq_hw 2>; L2_700: l2-cache { compatible = "cache"; next-level-cache = <&L3_0>; @@ -3075,6 +3083,7 @@ cpufreq_hw: cpufreq@17d91000 { ; interrupt-names = "dcvsh-irq-0", "dcvsh-irq-1", "dcvsh-irq-2"; #freq-domain-cells = <1>; + #clock-cells = <1>; }; gem_noc: interconnect@19100000 {