From patchwork Fri Dec 22 11:14:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brandon Cheo Fusi X-Patchwork-Id: 13503224 Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com [209.85.167.48]) (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 19CFE1426C; Fri, 22 Dec 2023 11:14:37 +0000 (UTC) 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="j4i4j7ZJ" Received: by mail-lf1-f48.google.com with SMTP id 2adb3069b0e04-50e23a4df33so2128486e87.2; Fri, 22 Dec 2023 03:14:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703243676; x=1703848476; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Ywwb2c8K+kZPbyhXDFCz7U5YWzVC2teLlAt2hSiJc0A=; b=j4i4j7ZJEb420d9qFo3pMBUdaXgDy15Yot02E4+0+qfthRfZVJwSLxiGVgBl6y0Abn 9JPr8M1qFDzrp8+7MkxmNqttEQbUwiynDISlbH3lUkSpfJt8PQ47YNBfsci//2HV3Yde OfssNAcJGAsgkFl0LTUDCuET17IQRB6PxkBZGXQCPeP8MtQE6WvXkZFYyHbhE1juDqm0 MgfezNTLXjrRpbb5rEjXIrUo4KGFglUMrK3dOvdwLb1JKKKrYxdgO3N063oTG4JTrTKu Ii86XvJmKSgk8G3m0RSr4zK2bDg9VKN4JeDb6cSHrbbdbjX0sEXE5BvI08Vwv9SfEd2Y SSiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703243676; x=1703848476; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Ywwb2c8K+kZPbyhXDFCz7U5YWzVC2teLlAt2hSiJc0A=; b=GvRS+yuvVTqRiFvURvzwkG+5ukXwIdKorYeMvIVLf3sWRnEFPE/xK/uaykh9gGH5T1 fcgMaC8JNeXeTKblzYrPOzDrFnprxCExslhfyDcUQGIBjMkR5Ml/vlTPa/SR5yw3Qj+O 2cgRILyA7j2/CVHKqWi9Ac5D23W1zFYDjGZGpWz9z/I4B8Qrg5A6jKKI8kYshEYwLZ5u ibIz1zOjxw4RIdUuAkOTflZ0gV3oHLnqIPQMa3KqIYbBjU1UYIITCBzYbD/BgufC0HuA F8A+sODZ6PaeTYEk7HfQ0vGGsdpX71FJvSHkviIytL/OSfnMD4n11iDHUqIPhdXOvSPT Hqag== X-Gm-Message-State: AOJu0YzzUSRn5SrY7Ju7hoqNnpgu4yg5dBx8/vV31J3WEPhPGLozE5S5 mtcUHKZN6ZZwMwyw9P1o/Dc= X-Google-Smtp-Source: AGHT+IEHhoBZ6sLrw8lKHDckHa1uRnHimx5cP137ZR9Lgo9yiD12gvt8LEkOv80eCcFyVhpbiFrZ1g== X-Received: by 2002:ac2:5dd5:0:b0:50b:ebd1:6e8a with SMTP id x21-20020ac25dd5000000b0050bebd16e8amr572807lfq.133.1703243675755; Fri, 22 Dec 2023 03:14:35 -0800 (PST) Received: from localhost.localdomain ([154.72.162.91]) by smtp.gmail.com with ESMTPSA id es15-20020a056402380f00b0055267663784sm2420469edb.11.2023.12.22.03.14.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 03:14:35 -0800 (PST) From: Brandon Cheo Fusi To: Andre Przywara , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Yangtao Li , "Rafael J . Wysocki" , Viresh Kumar , Stephen Rothwell Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Brandon Cheo Fusi Subject: [RFC PATCH v3 0/3] Add support for reading D1 efuse speed bin Date: Fri, 22 Dec 2023 12:14:04 +0100 Message-Id: <20231222111407.104270-1-fusibrandon13@gmail.com> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi everyone, This series is an attempt to get feedback on decoding D1 efuse speed bins in the Sun50i H6 cpufreq driver, and turning the result into a meaningful value that selects voltage ranges in an OPP table. I want to make sure I get this right before sending in a v3 of the D1 cpufreq support series here https://lore.kernel.org/linux-sunxi/20231218110543.64044-1-fusibrandon13@gmail.com/T/#t which is currently stuck at https://lore.kernel.org/linux-sunxi/aad8302d-a015-44ee-ad11-1a4c6e00074c@sholland.org/ Changes in v3: - Drop 'len' parameter and pointer in sunxi_cpufreq_data::efuse_xlate() prototype Changes in v2: - Make speed bin decoding generic in one patch and add D1 support in a separate patch - Fix OPP voltage ranges to avoid stability issues Brandon Cheo Fusi (3): cpufreq: sun50i: Refactor speed bin decoding cpufreq: sun50i: Add support for D1's speed bin decoding riscv: dts: allwinner: Fill in OPPs arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 19 +++- drivers/cpufreq/sun50i-cpufreq-nvmem.c | 89 +++++++++++++++---- 2 files changed, 87 insertions(+), 21 deletions(-)