From patchwork Thu Jun 6 09:06:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Hewitt X-Patchwork-Id: 13688116 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BF493C27C52 for ; Thu, 6 Jun 2024 09:06:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=9jojyNST4Vf4EpEthCsOzkjCVwti/P2g2waWnGopA6k=; b=JHoLle6eOoZnZ3 q4J5NOeabKlGE9hZXW1bk9UHwXxJojl/o90w6CuqEGcsPs70nuO7htt79H+0jBMmBH3xtThdhn2sV xYZicDFhSV1Y6uVkWLuG/8LH3Y9GKUVdIsi5Hh0qlBSIgEzzYAgzhohTq2pCTyOHMaD/aTpnconvj p0hqQCJ9ov/YH5c1XrXEm3uxKp71WvRFFSOY0mrcU0HbipMj+el/hjIWPoth0mx/YuqSUHBIxc13/ pClrs+2RNEB8QtCGGiFlQuKzVX/OnQeOAZ1co49ku6OUydyx/kq5NoYhQI5pQb9K1g3+FFElVeWLm 7Ed6pEugP9fgnS1oyx1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sF94m-0000000918q-3NWX; Thu, 06 Jun 2024 09:06:28 +0000 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sF94i-0000000915B-0gSR; Thu, 06 Jun 2024 09:06:25 +0000 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-42155e7084cso7680995e9.2; Thu, 06 Jun 2024 02:06:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1717664780; x=1718269580; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=4rgFWRbmc/mITagCbJLY2C7AsEpsBUmMdP3ARGdK//c=; b=bvxlFCv1wftWy1q0OEjs2XyXXi6/HvMFbVu1alnV84VOC5xonXtmcRh5BBDGtX9mW/ +qmSaAy/hNjmI/Fcu5A5dNbJ85PVEqEeMaXxHtHHceEDYD9dF2DVxAut/9oyet5Z58B7 sqvqpY+SneMCXjpGrf2xYCzNd8nXBXh3y5zP620QRzwgWXFrbxJ70e4ZlrGkKnTjA9T4 qcLuVkkPhEaLRqDoSCNST/cVALpbeFZ5s054Jr3MipsS2LyjztE/NULmM+4L9HnIkm0S JVAEEYMBqrtNe6VrUYwLmm025ZwHj0MyDnUKqrKPQRfOBmK21cTB3BB/4B2M4z0HZ9pl JQPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717664780; x=1718269580; 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=4rgFWRbmc/mITagCbJLY2C7AsEpsBUmMdP3ARGdK//c=; b=ssaM3nzVx1kfQRaByoS5C/e2lp4TEdziPwYGnS4/W5nh7XKiQbRnvutKJhnXq1sial F4rfY9oFg/q3ypK6GfDjm727U0TixlgstEVJQMS80MQor8xXkujZmabK96NJIiRaDYK8 aaEVfMPU/me4yCehVLLwCzdC9g0oepl+GV3iuMet+sxb2U8fAQTTEiS/wsvXQrMEFYDQ 2GZ9ehd2acjR/BY8+zNRcK49tVKQkPswjFaoY8iB8Q+6FUgSG7vPXtfS0S4PWgf+oBTL y1+6Fm4VQ8KkSINzY6TrAB/Y76+HBTryyYDqFtCgXOmJggcleOmAarn0oYRKnTeiUvP9 7Jfw== X-Forwarded-Encrypted: i=1; AJvYcCWoy6KQHUIBZAqH2k+Ej2lmq1ZPIT2luXQbHiK2X8Gk4wXU4rcDb02mHruBS9IPuf5rrNhPX+Q5385A3CMVe8K9R0lYn9QJWfbiql4S/VtSLYc38z9mmXanoy4DLyl3eF6Qefpp03DwwchI3pJqFEVLW6ZocnHHmQ== X-Gm-Message-State: AOJu0YyhUxytTSGqvcKQ6PkcOukZP6OeTSMp/5iTTdq045eu3GbYPZf2 qaRs4pcsAMiQ8QRQfZw46n/Ec7MAwbpyy/lpEsmrUvlXRCt2GC67 X-Google-Smtp-Source: AGHT+IEO0mxczR/mD4wLnGOWDtPXarRkHd0Rx/ObbVCaBZXqNJf3Cix3+QyXppwMd8bDvj8jMfKeAw== X-Received: by 2002:a05:600c:1e0b:b0:421:5a37:d45e with SMTP id 5b1f17b1804b1-4215a37d578mr23685335e9.37.1717664779758; Thu, 06 Jun 2024 02:06:19 -0700 (PDT) Received: from toolbox.. ([87.200.95.144]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4215814f141sm48483655e9.42.2024.06.06.02.06.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 02:06:19 -0700 (PDT) From: Christian Hewitt To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: meson: radxa-zero2: add pwm-fan support Date: Thu, 6 Jun 2024 09:06:15 +0000 Message-Id: <20240606090615.3946433-1-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240606_020624_225788_13563D11 X-CRM114-Status: GOOD ( 10.68 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yuntian Zhang Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The A311D on Zero2 needs active cooling and the board includes a header to connect a simple fan. Add pwm-fan support with basic thermal properties so the fan runs when connected. Suggested-by: Yuntian Zhang Signed-off-by: Christian Hewitt Reviewed-by: Neil Armstrong --- Changes since v1: [0] - Drop min/max state to comply with bindings - Drop ddr_thermal node - Add cpu_thermal trips - Use cooling map2 to avoid clashing with dtsi inherited maps [0] https://patchwork.kernel.org/project/linux-amlogic/patch/20231028075445.3515664-1-christianshewitt@gmail.com/ .../dts/amlogic/meson-g12b-radxa-zero2.dts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts index 890f5bfebb03..8445701100d0 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts @@ -33,6 +33,13 @@ memory@0 { reg = <0x0 0x0 0x0 0x80000000>; }; + fan0: pwm-fan { + compatible = "pwm-fan"; + #cooling-cells = <2>; + cooling-levels = <0 64 128 192 255>; + pwms = <&pwm_AO_ab 0 40000 0>; + }; + gpio-keys-polled { compatible = "gpio-keys-polled"; poll-interval = <100>; @@ -286,6 +293,23 @@ &cpu103 { clock-latency = <50000>; }; +&cpu_thermal { + trips { + cpu_active: cpu-active { + temperature = <70000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map2 { + trip = <&cpu_active>; + cooling-device = <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + &frddr_a { status = "okay"; };