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(fttx-pool-217.61.156.2.bambit.de [217.61.156.2]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 4483E1006D1; Mon, 29 May 2023 20:43:34 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Subject: [PATCH v2 4/4] arm64: dts: mt7986: add pwm-fan and cooling-maps to BPI-R3 dts Date: Mon, 29 May 2023 22:42:58 +0200 Message-Id: <20230529204258.65238-5-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230529204258.65238-1-linux@fw-web.de> References: <20230529204258.65238-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: b1d02627-873f-44dd-a92e-df7ed1a9bf87 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230529_134343_357032_2AEEB859 X-CRM114-Status: GOOD ( 11.31 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew-CT Chen , Lars-Peter Clausen , Lala Lin , linux-iio@vger.kernel.org, Zhiyong Tao , "Hui.Liu" , linux-kernel@vger.kernel.org, Daniel Golle , devicetree@vger.kernel.org, Rob Herring , Srinivas Kandagatla , linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski , Matthias Brugger , Jonathan Cameron , AngeloGioacchino Del Regno Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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"; };