From patchwork Tue May 30 20:12:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 13261086 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B5C4C7EE32 for ; Tue, 30 May 2023 20:13:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233195AbjE3UNl (ORCPT ); Tue, 30 May 2023 16:13:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233103AbjE3UNi (ORCPT ); Tue, 30 May 2023 16:13:38 -0400 Received: from mxout2.routing.net (mxout2.routing.net [IPv6:2a03:2900:1:a::b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E18810A; Tue, 30 May 2023 13:13:37 -0700 (PDT) Received: from mxbox1.masterlogin.de (unknown [192.168.10.88]) by mxout2.routing.net (Postfix) with ESMTP id 8E308615DB; Tue, 30 May 2023 20:13:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1685477615; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BFfAo9ifBuoYhXH6mSTzgnU8pbkgDeuCzxPB9AR/n9k=; b=xDavmHBlUzSpXgjrFHSaDgVB7cl4BE8IpATNpSGSlAQya7VaW7RfjZjdZwWrLbLMCkItgh TGN3fRYeyQdF2vaxUvFsh6P8G5Yzv4SrqQK5fD5vhagK1GMHlQDc69arQzjbLNI/1aMT3g L22x3g/9HrNSiu4u3YM7euUr97QBojc= Received: from frank-G5.. (fttx-pool-217.61.157.145.bambit.de [217.61.157.145]) by mxbox1.masterlogin.de (Postfix) with ESMTPSA id 7E12C4062D; Tue, 30 May 2023 20:13:34 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Frank Wunderlich , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno , Srinivas Kandagatla , "Hui.Liu" , Zhiyong Tao , Andrew-CT Chen , Lala Lin , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Daniel Golle Subject: [PATCH v3 4/4] arm64: dts: mt7986: add pwm-fan and cooling-maps to BPI-R3 dts Date: Tue, 30 May 2023 22:12:35 +0200 Message-Id: <20230530201235.22330-5-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230530201235.22330-1-linux@fw-web.de> References: <20230530201235.22330-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: eb43ed84-52f3-4a28-89ff-cb5b0bbaf3e3 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Daniel Golle Add pwm-fan and cooling-maps to BananaPi-R3 devicetree. Signed-off-by: Daniel Golle Signed-off-by: Frank Wunderlich Reviewed-by: AngeloGioacchino Del Regno --- this is based on Patch from openwrt. as my PWM-fan seems to need 5v pwm signal and r3 only provides 3v3 on 3pin-socket it does not work for me. --- .../dts/mediatek/mt7986a-bananapi-bpi-r3.dts | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts index 782519429497..29c018bbf29d 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts @@ -37,6 +37,15 @@ dcin: regulator-12vd { regulator-always-on; }; + fan: pwm-fan { + compatible = "pwm-fan"; + #cooling-cells = <2>; + /* cooling level (0, 1, 2) - pwm inverted */ + cooling-levels = <255 96 0>; + pwms = <&pwm 0 10000 0>; + status = "okay"; + }; + gpio-keys { compatible = "gpio-keys"; @@ -132,6 +141,28 @@ sfp2: sfp-2 { }; }; +&cpu_thermal { + cooling-maps { + cpu-active-high { + /* active: set fan to cooling level 2 */ + cooling-device = <&fan 2 2>; + trip = <&cpu_trip_active_high>; + }; + + cpu-active-low { + /* active: set fan to cooling level 1 */ + cooling-device = <&fan 1 1>; + trip = <&cpu_trip_active_low>; + }; + + cpu-passive { + /* passive: set fan to cooling level 0 */ + cooling-device = <&fan 0 0>; + trip = <&cpu_trip_passive>; + }; + }; +}; + &crypto { status = "okay"; };