From patchwork Thu Apr 10 15:47:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 880001 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5C53296179; Thu, 10 Apr 2025 15:48:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744300090; cv=none; b=jTxvYSDPtODN46dHTyHO1m3p5dNJN4mUlgKT7L6yM3Kv814KuX3VIxqxoTRIAxN9mcQbgjQ3G6JiYuaR/Mc5v8ORRka4C/8A1A7qfqyO7l4GlFuynXb+ITp1D9i7blrZP5qEPhKWEfOzYq3PYMfHl3Q9QEipvmHqecX4nFC+aUM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744300090; c=relaxed/simple; bh=8tfaaNZ4HrH7opoaFMg4/Qd0jHKomOYwuo5NwUKhvx0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=o6OC9b5c/+N5GMTQ5LbJtf7PzJ3I6fzGefSZ8txVUURU1i3yCfOZqYXc2CQFIf4aX4mTVJebpWaVGvzoakCL3pQ3qnBxxlTk1qYVb+C/sz9FS+7xBLFfKdFfJags/qIxcrw1ORGQa/9cfh3H0jKhyYAz8v4lc6ds0F6f/m6pzAw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F07Lc4bp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F07Lc4bp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50FF4C4CEDD; Thu, 10 Apr 2025 15:48:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744300090; bh=8tfaaNZ4HrH7opoaFMg4/Qd0jHKomOYwuo5NwUKhvx0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=F07Lc4bpt+yN+th4lZJNLUif9Vsbs8jnsVA6h1SEMAAxVrX+FL4/Au5KWenw+1DH9 BH6yiYIZmka6TMCrTmOJ6M1rp46sGn4toqpLPa+fzTNNn8OBVUk5tm+MrmGeLGtp4v 0t08uUIYAhHkGvs4IpQOEZEHXIojnzNcl2f+3yHjgP0JTy6xYRjxiWwtaTjbg95rz7 /uEl+E10tBzh5CvL3m6w6qy/ck4AJQjiwbobS6qZG66/NYkbJ1QRHlGCA8SAlCgNUE Ud/S2sHTPErUfalr4V9fg1m5v0/lTQklRsHgcL77c5S3/NmmfVOtoujb6pTEDjlGaj WsGZ5T9YPKZbQ== From: "Rob Herring (Arm)" Date: Thu, 10 Apr 2025 10:47:38 -0500 Subject: [PATCH v2 17/17] dt-bindings: cpufreq: Drop redundant Mediatek binding Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250410-dt-cpu-schema-v2-17-63d7dc9ddd0a@kernel.org> References: <20250410-dt-cpu-schema-v2-0-63d7dc9ddd0a@kernel.org> In-Reply-To: <20250410-dt-cpu-schema-v2-0-63d7dc9ddd0a@kernel.org> To: Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Conor Dooley , Nicolas Ferre , Claudiu Beznea , Steen Hegelund , Daniel Machon , UNGLinuxDriver@microchip.com, Bjorn Andersson , Konrad Dybcio , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Heiko Stuebner , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Geert Uytterhoeven , Magnus Damm , Lorenzo Pieralisi , Andy Gross , Thomas Bogendoerfer , Viresh Kumar , Nishanth Menon , Stephen Boyd , zhouyanjie@wanyeetech.com, Matthias Brugger , AngeloGioacchino Del Regno , "Rafael J. Wysocki" , Dmitry Baryshkov , Stephan Gerhold Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-rockchip@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-mips@vger.kernel.org, linux-pm@vger.kernel.org, linux-mediatek@lists.infradead.org, Sudeep Holla , Viresh Kumar X-Mailer: b4 0.15-dev The Mediatek CPUFreq binding document just describes properties from the CPU node which the driver uses. This is redundant as all the properties are described in the arm/cpus.yaml schema. Signed-off-by: "Rob Herring (Arm)" Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Sudeep Holla Acked-by: Viresh Kumar --- .../bindings/cpufreq/cpufreq-mediatek.txt | 250 --------------------- 1 file changed, 250 deletions(-) diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt deleted file mode 100644 index e0a4ba599abc..000000000000 --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt +++ /dev/null @@ -1,250 +0,0 @@ -Binding for MediaTek's CPUFreq driver -===================================== - -Required properties: -- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock names. -- clock-names: Should contain the following: - "cpu" - The multiplexer for clock input of CPU cluster. - "intermediate" - A parent of "cpu" clock which is used as "intermediate" clock - source (usually MAINPLL) when the original CPU PLL is under - transition and not stable yet. - Please refer to Documentation/devicetree/bindings/clock/clock-bindings.txt for - generic clock consumer properties. -- operating-points-v2: Please refer to Documentation/devicetree/bindings/opp/opp-v2.yaml - for detail. -- proc-supply: Regulator for Vproc of CPU cluster. - -Optional properties: -- sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver - needs to do "voltage tracking" to step by step scale up/down Vproc and - Vsram to fit SoC specific needs. When absent, the voltage scaling - flow is handled by hardware, hence no software "voltage tracking" is - needed. -- mediatek,cci: - Used to confirm the link status between cpufreq and mediatek cci. Because - cpufreq and mediatek cci could share the same regulator in some MediaTek SoCs. - To prevent the issue of high frequency and low voltage, we need to use this - property to make sure mediatek cci is ready. - For details of mediatek cci, please refer to - Documentation/devicetree/bindings/interconnect/mediatek,cci.yaml -- #cooling-cells: - For details, please refer to - Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml - -Example 1 (MT7623 SoC): - - cpu_opp_table: opp_table { - compatible = "operating-points-v2"; - opp-shared; - - opp-598000000 { - opp-hz = /bits/ 64 <598000000>; - opp-microvolt = <1050000>; - }; - - opp-747500000 { - opp-hz = /bits/ 64 <747500000>; - opp-microvolt = <1050000>; - }; - - opp-1040000000 { - opp-hz = /bits/ 64 <1040000000>; - opp-microvolt = <1150000>; - }; - - opp-1196000000 { - opp-hz = /bits/ 64 <1196000000>; - opp-microvolt = <1200000>; - }; - - opp-1300000000 { - opp-hz = /bits/ 64 <1300000000>; - opp-microvolt = <1300000>; - }; - }; - - cpu0: cpu@0 { - device_type = "cpu"; - compatible = "arm,cortex-a7"; - reg = <0x0>; - clocks = <&infracfg CLK_INFRA_CPUSEL>, - <&apmixedsys CLK_APMIXED_MAINPLL>; - clock-names = "cpu", "intermediate"; - operating-points-v2 = <&cpu_opp_table>; - #cooling-cells = <2>; - }; - cpu@1 { - device_type = "cpu"; - compatible = "arm,cortex-a7"; - reg = <0x1>; - operating-points-v2 = <&cpu_opp_table>; - }; - cpu@2 { - device_type = "cpu"; - compatible = "arm,cortex-a7"; - reg = <0x2>; - operating-points-v2 = <&cpu_opp_table>; - }; - cpu@3 { - device_type = "cpu"; - compatible = "arm,cortex-a7"; - reg = <0x3>; - operating-points-v2 = <&cpu_opp_table>; - }; - -Example 2 (MT8173 SoC): - cpu_opp_table_a: opp_table_a { - compatible = "operating-points-v2"; - opp-shared; - - opp-507000000 { - opp-hz = /bits/ 64 <507000000>; - opp-microvolt = <859000>; - }; - - opp-702000000 { - opp-hz = /bits/ 64 <702000000>; - opp-microvolt = <908000>; - }; - - opp-1001000000 { - opp-hz = /bits/ 64 <1001000000>; - opp-microvolt = <983000>; - }; - - opp-1105000000 { - opp-hz = /bits/ 64 <1105000000>; - opp-microvolt = <1009000>; - }; - - opp-1183000000 { - opp-hz = /bits/ 64 <1183000000>; - opp-microvolt = <1028000>; - }; - - opp-1404000000 { - opp-hz = /bits/ 64 <1404000000>; - opp-microvolt = <1083000>; - }; - - opp-1508000000 { - opp-hz = /bits/ 64 <1508000000>; - opp-microvolt = <1109000>; - }; - - opp-1573000000 { - opp-hz = /bits/ 64 <1573000000>; - opp-microvolt = <1125000>; - }; - }; - - cpu_opp_table_b: opp_table_b { - compatible = "operating-points-v2"; - opp-shared; - - opp-507000000 { - opp-hz = /bits/ 64 <507000000>; - opp-microvolt = <828000>; - }; - - opp-702000000 { - opp-hz = /bits/ 64 <702000000>; - opp-microvolt = <867000>; - }; - - opp-1001000000 { - opp-hz = /bits/ 64 <1001000000>; - opp-microvolt = <927000>; - }; - - opp-1209000000 { - opp-hz = /bits/ 64 <1209000000>; - opp-microvolt = <968000>; - }; - - opp-1404000000 { - opp-hz = /bits/ 64 <1007000000>; - opp-microvolt = <1028000>; - }; - - opp-1612000000 { - opp-hz = /bits/ 64 <1612000000>; - opp-microvolt = <1049000>; - }; - - opp-1807000000 { - opp-hz = /bits/ 64 <1807000000>; - opp-microvolt = <1089000>; - }; - - opp-1989000000 { - opp-hz = /bits/ 64 <1989000000>; - opp-microvolt = <1125000>; - }; - }; - - cpu0: cpu@0 { - device_type = "cpu"; - compatible = "arm,cortex-a53"; - reg = <0x000>; - enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; - clocks = <&infracfg CLK_INFRA_CA53SEL>, - <&apmixedsys CLK_APMIXED_MAINPLL>; - clock-names = "cpu", "intermediate"; - operating-points-v2 = <&cpu_opp_table_a>; - }; - - cpu1: cpu@1 { - device_type = "cpu"; - compatible = "arm,cortex-a53"; - reg = <0x001>; - enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; - clocks = <&infracfg CLK_INFRA_CA53SEL>, - <&apmixedsys CLK_APMIXED_MAINPLL>; - clock-names = "cpu", "intermediate"; - operating-points-v2 = <&cpu_opp_table_a>; - }; - - cpu2: cpu@100 { - device_type = "cpu"; - compatible = "arm,cortex-a72"; - reg = <0x100>; - enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; - clocks = <&infracfg CLK_INFRA_CA72SEL>, - <&apmixedsys CLK_APMIXED_MAINPLL>; - clock-names = "cpu", "intermediate"; - operating-points-v2 = <&cpu_opp_table_b>; - }; - - cpu3: cpu@101 { - device_type = "cpu"; - compatible = "arm,cortex-a72"; - reg = <0x101>; - enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; - clocks = <&infracfg CLK_INFRA_CA72SEL>, - <&apmixedsys CLK_APMIXED_MAINPLL>; - clock-names = "cpu", "intermediate"; - operating-points-v2 = <&cpu_opp_table_b>; - }; - - &cpu0 { - proc-supply = <&mt6397_vpca15_reg>; - }; - - &cpu1 { - proc-supply = <&mt6397_vpca15_reg>; - }; - - &cpu2 { - proc-supply = <&da9211_vcpu_reg>; - sram-supply = <&mt6397_vsramca7_reg>; - }; - - &cpu3 { - proc-supply = <&da9211_vcpu_reg>; - sram-supply = <&mt6397_vsramca7_reg>; - };