From patchwork Thu Oct 24 17:05:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cody Eksal X-Patchwork-Id: 838299 Received: from thales.epochal.quest (thales.epochal.quest [51.222.15.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC75F1FBF6C; Thu, 24 Oct 2024 17:09:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=51.222.15.28 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729789795; cv=none; b=mSCuwDg58DZiI/dgPM4WNw1MvsZaDkC83mbqkwl8iW+wZ5ltxLVr4pPYFHbtL+hKxMeKvfMH8dJXs3oiUJ5u76aIERV0blSu8JLSTzRnZmMo1N30fSJKyJJCb3EGNzakr33ZHeM9At7QSAtoL7YQN5wFqU4TF/E1p6ChW26mTCk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729789795; c=relaxed/simple; bh=1G2LVJhU97J4DTWThVt0tTikaaKuPtmpeH+bT9okCBU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HS9Jq6fQjt1t0D8ILfzrBy3R3YaU2YOwnAzjGj4w5JwqwDZ4N6hD00SenEN/wQngY4LkmjqAvwOR5ksO+BQAvslDCC8JdPzsfkb12+CaN/PxHy/j0lJKIxwKr0mwQl6dLkaz5xNlzUnNqUIVmG9vECPOmcm75DVmKa7JV1W9k9Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=epochal.quest; spf=pass smtp.mailfrom=epochal.quest; dkim=pass (2048-bit key) header.d=epochal.quest header.i=@epochal.quest header.b=MAASwq7O; arc=none smtp.client-ip=51.222.15.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=epochal.quest Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=epochal.quest Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=epochal.quest header.i=@epochal.quest header.b="MAASwq7O" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=epochal.quest; s=default; t=1729789790; bh=1G2LVJhU97J4DTWThVt0tTikaaKuPtmpeH+bT9okCBU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MAASwq7ORI7ZT3sVWFfuTOlPZQOdoxDtK/m5YeTHXPC/3qT8SBCISpuG392WlbZoe F5BdY2BHriUtHtZfpGaH0lW2EeqaPMOU+V/unY2YO4L7A/QGArA+RhGp4peKXLBkkC duPIlLmesyLFF25IrZwusYwUK75n4g7fXtaa6Jz2vVsIuRol2SuG39QfjmMvm+dDBs yaph0UKC2QkO84jpwnczlZ/SObzqZP0IldY+gQTIMeAl01ZZO9oN66hl399HecH2t+ 0Jd0JKmOLvQ6BPlyXtl7YgCRB5FL3UHdXenB3a9C7XCBsPV6xyfa0Q72XeBZvkKKat ox8t9Zqe2guBA== X-Virus-Scanned: by epochal.quest From: Cody Eksal To: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Cody Eksal , Andre Przywara , Parthiban , Yangtao Li , Florian Fainelli , Vinod Koul , Linus Walleij , Thierry Reding , Krzysztof Kozlowski , Maxime Ripard , Greg Kroah-Hartman , Yangtao Li , Viresh Kumar , Nishanth Menon , Stephen Boyd , Kishon Vijay Abraham I , "Rafael J. Wysocki" , Shuosheng Huang Subject: [PATCH 13/13] arm64: dts: allwinner: a100: Add CPU Operating Performance Points table Date: Thu, 24 Oct 2024 14:05:31 -0300 Message-ID: <20241024170540.2721307-14-masterr3c0rd@epochal.quest> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241024170540.2721307-1-masterr3c0rd@epochal.quest> References: <20241024170540.2721307-1-masterr3c0rd@epochal.quest> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Shuosheng Huang Add an Operating Performance Points table for the CPU cores to enable Dynamic Voltage & Frequency Scaling on the A100. Signed-off-by: Shuosheng Huang [masterr3c0rd@epochal.quest: fix typos in -cpu-opp, use compatible] Signed-off-by: Cody Eksal --- .../allwinner/sun50i-a100-allwinner-perf1.dts | 5 ++ .../dts/allwinner/sun50i-a100-cpu-opp.dtsi | 90 +++++++++++++++++++ .../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 8 ++ 3 files changed, 103 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100-cpu-opp.dtsi diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts index 29e9d24da8b6..99b1b2f7b92a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts @@ -6,6 +6,7 @@ /dts-v1/; #include "sun50i-a100.dtsi" +#include "sun50i-a100-cpu-opp.dtsi" #include @@ -67,6 +68,10 @@ &usb_otg { status = "okay"; }; +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + &pio { vcc-pb-supply = <®_dcdc1>; vcc-pc-supply = <®_eldo1>; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-cpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100-cpu-opp.dtsi new file mode 100644 index 000000000000..eeb8d20f3fb4 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-cpu-opp.dtsi @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (c) 2020 Yangtao Li +// Copyright (c) 2020 ShuoSheng Huang + +/ { + cpu_opp_table: cpu-opp-table { + compatible = "allwinner,sun50i-a100-operating-points"; + nvmem-cells = <&cpu_speed_grade>; + opp-shared; + + opp@408000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <408000000>; + + opp-microvolt-speed0 = <900000 900000 1200000>; + opp-microvolt-speed1 = <900000 900000 1200000>; + opp-microvolt-speed2 = <900000 900000 1200000>; + }; + + opp@600000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <600000000>; + + opp-microvolt-speed0 = <900000 900000 1200000>; + opp-microvolt-speed1 = <900000 900000 1200000>; + opp-microvolt-speed2 = <900000 900000 1200000>; + }; + + opp@816000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <816000000>; + + opp-microvolt-speed0 = <940000 940000 1200000>; + opp-microvolt-speed1 = <900000 900000 1200000>; + opp-microvolt-speed2 = <900000 900000 1200000>; + }; + + opp@1080000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1080000000>; + + opp-microvolt-speed0 = <1020000 1020000 1200000>; + opp-microvolt-speed1 = <980000 980000 1200000>; + opp-microvolt-speed2 = <950000 950000 1200000>; + }; + + opp@1200000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1200000000>; + + opp-microvolt-speed0 = <1100000 1100000 1200000>; + opp-microvolt-speed1 = <1020000 1020000 1200000>; + opp-microvolt-speed2 = <1000000 1000000 1200000>; + }; + + opp@1320000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1320000000>; + + opp-microvolt-speed0 = <1160000 1160000 1200000>; + opp-microvolt-speed1 = <1060000 1060000 1200000>; + opp-microvolt-speed2 = <1030000 1030000 1200000>; + }; + + opp@1464000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1464000000>; + + opp-microvolt-speed0 = <1180000 1180000 1200000>; + opp-microvolt-speed1 = <1180000 1180000 1200000>; + opp-microvolt-speed2 = <1130000 1130000 1200000>; + }; + }; +}; + +&cpu0 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu1 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu2 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu3 { + operating-points-v2 = <&cpu_opp_table>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 6dca766ea222..747a0292ef98 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -23,6 +23,7 @@ cpu0: cpu@0 { device_type = "cpu"; reg = <0x0>; enable-method = "psci"; + clocks = <&ccu CLK_CPUX>; }; cpu1: cpu@1 { @@ -30,6 +31,7 @@ cpu1: cpu@1 { device_type = "cpu"; reg = <0x1>; enable-method = "psci"; + clocks = <&ccu CLK_CPUX>; }; cpu2: cpu@2 { @@ -37,6 +39,7 @@ cpu2: cpu@2 { device_type = "cpu"; reg = <0x2>; enable-method = "psci"; + clocks = <&ccu CLK_CPUX>; }; cpu3: cpu@3 { @@ -44,6 +47,7 @@ cpu3: cpu@3 { device_type = "cpu"; reg = <0x3>; enable-method = "psci"; + clocks = <&ccu CLK_CPUX>; }; }; @@ -142,6 +146,10 @@ efuse@3006000 { ths_calibration: calib@14 { reg = <0x14 8>; }; + + cpu_speed_grade: cpu-speed-grade@1c { + reg = <0x1c 0x2>; + }; }; watchdog@30090a0 {