From nobody Fri Sep 12 01:07:23 2025 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 C7AD5C636CC for ; Wed, 15 Feb 2023 06:56:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233592AbjBOG4s (ORCPT ); Wed, 15 Feb 2023 01:56:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233587AbjBOG4R (ORCPT ); Wed, 15 Feb 2023 01:56:17 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60B1136446 for ; Tue, 14 Feb 2023 22:55:58 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id n20-20020a17090aab9400b00229ca6a4636so1200743pjq.0 for ; Tue, 14 Feb 2023 22:55:58 -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=jtvgID8mNLGj3X1P+nHdIDZyTZvvt/sYgRm2r4KBSpE=; b=m2N9MO43T5Um3QbCE/3o4WJet5x1eZ2WuQljUcdT05Oghv+yKW5UW34N4DogJiD8k2 qu+4sfTlRlK3/1h8WcJnCsJhOWGPTUY7LkIpb53p+0Fg6xrSOXVjS1WcO9N29ImY8p+M 2r9S1UfHlre9vJHdBu3LRujFndnDB17sQv3ZpI8qxbrRWS+jRFrTE8WH98sp4qYbneZ/ Sb/XFbsIlCdShLK534C/P1y0ifCi3h5zmfCTZM4MzFAXTFWk0wV0yZXoJ0NMYrO1WZTX aM76a74G+WnOyeGA06D4q0EjCb2ne7Iuz3xl4i8/AO9mfzqlPdZ65J9ComncChGvMWVk LyWw== 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=jtvgID8mNLGj3X1P+nHdIDZyTZvvt/sYgRm2r4KBSpE=; b=PXMmlrnAHxWgzkOto+HUB4Q2rQFjfy82GlYZ83P75STKvHUU1C/DF0Dr1UMMMdiEgH 5+07OKS8sDxMn+8JeqtLjX2vNER55NWLPDWl5R1UyuTf58PCoVwFKjr1zCll5jWc/Yo8 4bYfBfOwsgZDBXFOYEUcNKNrRSS61FUCthXS9NvmfoZOebH77u50egfEBggqijFHvx0n MWgV0AaExIRAgLgj40xJwOQO7HdAASL/5qQgHJmEnTFEbJskrmJFKbIRzDdrPqaK2cEg 91qMte/m34/rVaok2YvAxB+bjeazH6RzNXh6tKnZ8lO5pGMiIhEiwxxPlWybKYU3TCzH 9jIA== X-Gm-Message-State: AO0yUKXVifmzvY1dLwtdqDfgT1OQgCE1O3qbw5ZJbjiV6EZEul4QH2kF 7T1J7yQuA7WKjd2E7e9vP1lK X-Google-Smtp-Source: AK7set8aXywnPWTubXnAPWBR5jMtHMp62woZ4kWLU15pbu3HaO/RfwmPaUxGdvH4Aslz34N/NRII3w== X-Received: by 2002:a05:6a20:2325:b0:bc:caea:6cb8 with SMTP id n37-20020a056a20232500b000bccaea6cb8mr720932pzc.8.1676444157890; Tue, 14 Feb 2023 22:55:57 -0800 (PST) Received: from localhost.localdomain ([117.217.179.87]) by smtp.gmail.com with ESMTPSA id d23-20020a170902b71700b001933b4b1a49sm10276870pls.183.2023.02.14.22.55.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 22:55:57 -0800 (PST) From: Manivannan Sadhasivam To: andersson@kernel.org Cc: konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, viresh.kumar@linaro.org, Manivannan Sadhasivam Subject: [PATCH 07/12] arm64: dts: qcom: sc7180: Supply clock from cpufreq node to CPUs Date: Wed, 15 Feb 2023 12:25:18 +0530 Message-Id: <20230215065520.5535-8-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230215065520.5535-1-manivannan.sadhasivam@linaro.org> References: <20230215065520.5535-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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/sc7180.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qco= m/sc7180.dtsi index ebfa21e9ed8a..53f0076f20f6 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -76,6 +76,7 @@ CPU0: cpu@0 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x0>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -103,6 +104,7 @@ CPU1: cpu@100 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x100>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -126,6 +128,7 @@ CPU2: cpu@200 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x200>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -149,6 +152,7 @@ CPU3: cpu@300 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x300>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -172,6 +176,7 @@ CPU4: cpu@400 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x400>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -195,6 +200,7 @@ CPU5: cpu@500 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x500>; + clocks =3D <&cpufreq_hw 0>; enable-method =3D "psci"; cpu-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1 @@ -218,6 +224,7 @@ CPU6: cpu@600 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x600>; + clocks =3D <&cpufreq_hw 1>; enable-method =3D "psci"; cpu-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1 @@ -241,6 +248,7 @@ CPU7: cpu@700 { device_type =3D "cpu"; compatible =3D "qcom,kryo468"; reg =3D <0x0 0x700>; + clocks =3D <&cpufreq_hw 1>; enable-method =3D "psci"; cpu-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1 @@ -3578,6 +3586,7 @@ cpufreq_hw: cpufreq@18323000 { clock-names =3D "xo", "alternate"; =20 #freq-domain-cells =3D <1>; + #clock-cells =3D <1>; }; =20 wifi: wifi@18800000 { --=20 2.25.1