From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (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 CC7792EC0A2 for ; Sun, 14 Jun 2026 12:28:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781440098; cv=none; b=dBYyI21OBld87UGLkJ0skzQihciCLU2W5zeQ/4D0QZ5fxrSo3dP0NZW71L8M8zYIA8xABb3LS7v8JgF6rWbmLXjT2ByiIOIAtjc72dOrekbUayusQFG8tl2V1hwO9yunMnr/iI+pfBX+eRfiO9BWbIfxMkbZJ60OkAuDSJJ5jaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781440098; c=relaxed/simple; bh=eGTslznVqbSVlni5BnPYmJs7RZwRp/MxKLSM0euwsC8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DXE/yOcH6bh0TekX1VeGzOEKBi4UlZdRT3WCBKoblN0gTlB72F+8twt6DFNt95/rdn/taNjjLNsTO5ip2tu+Qq7AMpHa+G3w7F9tdVTRcYbyXGm8YABVsycCkDRbhZP6w009VMBqG0IZFhVFzRhsTqI59tjNBMtcDISpcoKKkt0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=UABDU/9r; arc=none smtp.client-ip=209.85.221.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UABDU/9r" Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-45efb698ef2so1163067f8f.3 for ; Sun, 14 Jun 2026 05:28:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781440095; x=1782044895; darn=vger.kernel.org; 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=UXbCcd0NTps7SDVoolImrKKnLGgAu77CT/EkLadupyI=; b=UABDU/9rZ1xf/HSw5lfofRw+pEbK0MEuWd9MmjlobwZAW+3oENKUUKeveuoWt1SYbr FlyUAr3AxeAUxo13GwV67UJhTe43Q2ImBkT2s66VJxaqqtxSXxBUX8vHdExKu4W3OTt5 5Ninr7AqZCWVpYs83R+vMic4ys4H6WLzH7ISN/WKVYP+ZdORHkBwJScUb93f4228zVpm MiXM9SoxErklflO0X18SaUdq/8xQUuLF0R+14GBXU5q5dXekSlcCvDtfsm3r2BxjihDX 51iVi8kMIwewXq6cS3AXt2ffUiF7XbivfdcURl/a7rG6cnAkgI3jC1nwaeauPIcfQ/R+ 3MZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781440095; x=1782044895; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=UXbCcd0NTps7SDVoolImrKKnLGgAu77CT/EkLadupyI=; b=Zdp4Bh5vRz8ZzHWnYegollEVhgFAzaAHim8yuHupqaXTE6VkUBOhKtxnecC3mJDKvL VZNpS+irDJYMbnRwWAhr+ZKgOfBvj0Fdg+5f5uPg/wlTkGFL0FfZeI/4BrNgBzXBSNcH iQNepYB3Djfltq9MbfXJGro766plcOn2r+HLuLBW0YHTaCxW6sFgEoZEns+2uOIxHyzM PepNGf6rpFFMNP0+x9hbEpgf0Lg0Kw78u6Kd4gKxOJywH39HqHHDKLa21oQXKp/A9JOh XpyK9pz5eOlz+EhXEh0tBHVi/zECn8g1N9u04TC3BItTV0Az3XyZ8KnNfoEqrCw94c+7 H3ZQ== X-Gm-Message-State: AOJu0YyVjJVs7F7dAVhagWm25EzJG/c96ouEJ0D9kl84CKvXa0/GHfdr EHQdnJ8FeeZgl2ZU1xHZt1eDPoHE1jwZtFHNc5PQYwrtmGGFIByFUk8T X-Gm-Gg: Acq92OFS4yklw2gDQB/X/LgTlOdfLT8hSUeIPVYMr730H0gLbWBeRPnKs8QYNz+mfHj RetuwDKg1MhXKATJ67y8pEWUlVXUmUMLxvmBssj+IzPF+Dx5itjg7R9H360hZVjQLPhmNGSS+T6 npGyXDL4LK7/Gb6L8Zf6usxM/nAI7VQsupOvmKnVuHnNfpzLBCo45zCeo1U2aaYdijM2q29nl6K 1mwj93f2iat1AQssx/YAbqHIx53t032z+3kzH7jum9XtAHQUpTPVcjhYYbVys544b87i8LdQpf/ kmUB2QqVxwCx3QDLrnXxkG9LfV6KniwAN/V3kEmEc5oDojS8qLXKN5K4eUUCQ0PI/Y6V+tomV5C BwL3e4jgzfik6Xz3rwgL/hIDTj1wSr2WQ8+tSkYYArpMoSL+8uWr+FtAfZkQpCr6zJHFGyT4ZQG aIOLfMz7Qkrjcu4SEbJdwaa7yklvsIj8LE9o24KrfEj0fLGNDI/CYc9Dh8DPPhKP2+B+YH X-Received: by 2002:a05:6000:4b04:b0:460:138d:c9b3 with SMTP id ffacd0b85a97d-46074a528b0mr7750359f8f.2.1781440095104; Sun, 14 Jun 2026 05:28:15 -0700 (PDT) Received: from mamamia.internal (a89-182-129-114.net-htp.de. [89.182.129.114]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4606f263923sm24756097f8f.2.2026.06.14.05.28.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Jun 2026 05:28:14 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling Date: Sun, 14 Jun 2026 14:28:11 +0200 Message-ID: <20260614122812.2287506-1-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260612-shadow-deps-v3-0-2f3ba88611ff@mailbox.org> References: <20260612-shadow-deps-v3-0-2f3ba88611ff@mailbox.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable CPU DVFS by including the OPP table and wiring the CPU nodes to the CPU regulator supply. Signed-off-by: Andre Heider --- .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 0d809e4ad3b1..1b425011f123 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -9,6 +9,7 @@ #include "k1.dtsi" #include "k1-pinctrl.dtsi" +#include "k1-opp.dtsi" / { model = "SpacemiT MusePi Pro"; @@ -99,6 +100,38 @@ &combo_phy { status = "okay"; }; +&cpu_0 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_1 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_2 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_3 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_4 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_5 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_6 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_7 { + cpu-supply = <&buck1_0v9>; +}; + ð0 { phy-handle = <&rgmii0>; phy-mode = "rgmii-id"; @@ -178,7 +211,7 @@ pmic@41 { dldoin2-supply = <&buck5>; regulators { - buck1 { + buck1_0v9: buck1 { regulator-min-microvolt = <500000>; regulator-max-microvolt = <3450000>; regulator-ramp-delay = <5000>; -- 2.53.0