From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (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 B06AF346E67 for ; Fri, 24 Apr 2026 09:53:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777024423; cv=none; b=WD4W3UNjVdgK2pZXhyMo1lJbNMkeASnC2cclhhqsGj/fep8VJK1AQxK3GdUy2kCF881x11CIigQ7kcxDuhB1xwDPC5PqfxqoABcBJ3VvzersWhUX9f7Y+kEIHYhDGcJcp78Mu1gc9J0qZjXt6SqsPKcYT5hCnPI1bA0gp3EvwIo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777024423; c=relaxed/simple; bh=z06h0nqocNM7sZknm/YONX4yR5TxkAybPymaBetnRdA=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=VNPndNFnVBYOuO06/YtDNH7JoyAHg0tq9zQ8dVQTV7ExMLMVH4xSxGg3h0hAPm2vRxqrrP+yhYlyJe57Wd+0ssQpDTqNlqJFsKqn9YQLUd90PQQFLR6BvcqH2bVPeyx3CHnO0c+26JD/zFL9MfM7/DU/SB14Y3fQoWN00D9b13k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=MaNMwHt9; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="MaNMwHt9" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-4891f625344so62782935e9.0 for ; Fri, 24 Apr 2026 02:53:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1777024419; x=1777629219; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to; bh=IEAIB1gXAkAlj/KMWcgqb/qT0IRmtE0X48MG1aGhroA=; b=MaNMwHt9bUXLv64/p5MkJe0jULR8j+97XKkov+siIJlvmL+e6+xYgs0DoxzktZkCfz h/fADekA0H2+zTZpRCEqldoS96pmvSRvlma+InMJ6pvcLdmI6lLROBcJl3TQ0rXNakwW EyTFfoNCHa4jssa+BZwGmj5hmS6elma5LLhm6SN8uS080D0Z0E7pe9zIw8bLMa+DBO4+ UBo0vSLwvteTGDNPG4hFJ2aW4ZebCm8WTvHhhcE4TSs0Vn6DV7Zje/WMsFCHjlY+L1+o VuretOTeza6LS9sEZwqk5xWBWqJWtjuDpEpMrpXTYR4TQSJr7AcWXzfEriRxaBijo6WC mrxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777024419; x=1777629219; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IEAIB1gXAkAlj/KMWcgqb/qT0IRmtE0X48MG1aGhroA=; b=LHuIW8WCQyOnBVZf/dfGNHa2dScp4xPbt31XSkC2nsiI1itGeOKrO3zO0qw2qG8hof e/ePMrqHDdWdthVPA07tDnA3pSjVTaU8ZwL/PrV7EUm11kARwCY3e817yI9O266EGok0 iAk1/K+P7jZ32HCQK8DTfkePzgR83gzO3VH1F4btj2ixtTZeLsg8UctjiZrDE4OcEC0p O+R7PJXO31L+fT6w+4VG6GolH6TAPjnbhuk558nFhPlsKd5m1g/d58s28YsPIAxgafsW cFDPpMm0HA39VORI2RcOGRcQOGHGGRgYkJtdZT3zfs/zEdGDDwmTb9eNgQYgD9TDNHZn pthA== X-Forwarded-Encrypted: i=1; AFNElJ/ArNMIcevpTquNcTnskQn0dXlo6JRr6Cs2REKB+XOC9t290qO4ml/6lsaBzAI4riMmRTf9FcVtKBopP+s=@vger.kernel.org X-Gm-Message-State: AOJu0YxkPvyXiaYjQJxV7KzycgC2OJDecATOJwl/teJk2R8slMNUXQKt ml2Ez6nymiGt2LGqswSXQoOi9vUZD7bmE03trg3UakRt+2HHrbpqqiw+chxHuMqAP60= X-Gm-Gg: AeBDieugHKsojHQ6jtdtBUhJ+bY663Ttu4FqAjV7gQnFZPyJs+fYpcTPDVDPsyEVi07 ma55bJ7PFwP+T1WlXWxvTHh9SdflXhf1Vcsl97L3psgHhz6kWKCQTpkQZd9qexEzvte2HT7YyaN i6X6a7yO6SReVuhiMxUP5W20Pl8veIoJro9fGUNnWfN1Fa6TkVHdbvkVxnMZU/goA9lqC9R4IcY lcJXvvv4lx4oydWpNTAGLOG8rqRort6S3tfHs1WqFmAD15LsFG1fkTr+pV1yWgmG6yPs5oyF/bX P/CTf7C3wMsy4zxTfERqRVlSxnvqbI1MvpBjJN8XQYARAtfrtMKpKKcPwU1oXEBaFbSI7VvUxQX KmpxsXSVVtWXlOQ9/WcJV8HhXhK2bLlXeW5yVsmypp9eUwTLALGKKuGa240pKBEe8xPF+JohnEL NARta6oAhlC/U3SXLKZ8UqG8onIse+4ygNhnrV6GuEEQqhy6RNK2YCpvTeUOskkLx+s4ZxDz4MZ OAYT3k/q7XHGHpyKg== X-Received: by 2002:a05:600c:3055:b0:489:32b:ac0b with SMTP id 5b1f17b1804b1-489032bae49mr216070105e9.6.1777024419012; Fri, 24 Apr 2026 02:53:39 -0700 (PDT) Received: from ?IPV6:2a01:e0a:106d:1080:79e1:f56b:445c:ca9c? ([2a01:e0a:106d:1080:79e1:f56b:445c:ca9c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4891cca5743sm364827355e9.9.2026.04.24.02.53.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Apr 2026 02:53:38 -0700 (PDT) Message-ID: Date: Fri, 24 Apr 2026 11:53:37 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v4 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add fan cooling to thermal zones To: linux-kernel-dev@aliel.fr, Guillaume La Roque , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: linux-pm@vger.kernel.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260423-add-thermal-t7-vim4-v4-0-d4c1528d5044@aliel.fr> <20260423-add-thermal-t7-vim4-v4-8-d4c1528d5044@aliel.fr> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260423-add-thermal-t7-vim4-v4-8-d4c1528d5044@aliel.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 4/23/26 18:07, Ronald Claveau via B4 Relay wrote: > From: Ronald Claveau > > Add an active trip at 50°C to all six thermal zones and map it to the > khadas_mcu fan controller, using cooling states 30 to 100. > > Signed-off-by: Ronald Claveau > --- > .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 102 +++++++++++++++++++++ > 1 file changed, 102 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > index 5d7f5390f3a66..ba9219073dd0a 100644 > --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > @@ -157,6 +157,74 @@ wifi32k: wifi32k { > }; > }; > > +&a53_thermal { > + trips { > + a53_active: a53-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&a53_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > + > +&a73_thermal { > + trips { > + a73_active: a73-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&a73_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > + > +&gpu_thermal { > + trips { > + gpu_active: gpu-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&gpu_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > + > +&hevc_thermal { > + trips { > + hevc_active: hevc-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&hevc_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > + > &i2c_m_ao_a { > status = "okay"; > pinctrl-0 = <&i2c0_ao_d_pins>; > @@ -170,6 +238,23 @@ khadas_mcu: system-controller@18 { > }; > }; > > +&nna_thermal { > + trips { > + nna_active: nna-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&nna_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > + > &pwm_ab { > status = "okay"; > pinctrl-0 = <&pwm_a_pins>; > @@ -266,3 +351,20 @@ &uart_a { > clocks = <&xtal>, <&xtal>, <&xtal>; > clock-names = "xtal", "pclk", "baud"; > }; > + > +&vpu_thermal { > + trips { > + vpu_active: vpu-active { > + temperature = <50000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&vpu_active>; > + cooling-device = <&khadas_mcu 30 100>; > + }; > + }; > +}; > Reviewed-by: Neil Armstrong Thanks, Neil