From patchwork Thu Feb 23 14:54:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 657326 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 2AC82C64ED8 for ; Thu, 23 Feb 2023 14:54:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234612AbjBWOyl (ORCPT ); Thu, 23 Feb 2023 09:54:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234147AbjBWOyi (ORCPT ); Thu, 23 Feb 2023 09:54:38 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5032552DF4; Thu, 23 Feb 2023 06:54:36 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8C37E6602216; Thu, 23 Feb 2023 14:54:34 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677164075; bh=6pu9qitOcCueSg/XyeyLzoSlFZ5o/IQW+VQsBZPX1lk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=auXFFpiDZrBUMlDFrM3ayviuKcXeH9Y3WZXwAIeHZbbeKfuzs9pa7F1x+JZs9GsIa BYbexjJNUdLaXsyCABnXFPF/r3R4fDv7AeFNfohN9k3XkNf1Om0geQyJlOXWP38tX4 1YyyUvaa08utDnHFamt6ki0jy0kMBnEW/TeCScSvd4H0x33aBoH4XYlEtzNgX1a6E9 CWHWhaS5F2wr5wn7tmAmW7vniNsK7rHEmL5zH+VaXANNN+mYKGEQp098+DM2t3xKcF Q3nemt77J+0QcSSGvoPcBVUTJTvhIxyMl+yHoG0DGtW5fYsV6ivZTFiSjBxNlb+Q1d Xh4BGHz0ufAtw== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, AngeloGioacchino Del Regno Subject: [PATCH v1 1/4] arm64: dts: mediatek: cherry: Add platform thermal configuration Date: Thu, 23 Feb 2023 15:54:23 +0100 Message-Id: <20230223145426.193590-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223145426.193590-1-angelogioacchino.delregno@collabora.com> References: <20230223145426.193590-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This platform has three auxiliary NTC thermistors, connected to the SoC's ADC pins. Enable the auxadc in order to be able to read the ADC values, add a generic-adc-thermal LUT for each and finally assign them to the SoC's thermal zones. Signed-off-by: AngeloGioacchino Del Regno --- .../boot/dts/mediatek/mt8195-cherry.dtsi | 124 ++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 24669093fbed..ae2052a7160d 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -104,6 +104,108 @@ ppvar_sys: regulator-ppvar-sys { regulator-boot-on; }; + tboard_thermistor1: thermal-sensor-t1 { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&auxadc 0>; + io-channel-names = "sensor-channel"; + temperature-lookup-table = < (-5000) 4241 + 0 4063 + 5000 3856 + 10000 3621 + 15000 3364 + 20000 3091 + 25000 2810 + 30000 2526 + 35000 2247 + 40000 1982 + 45000 1734 + 50000 1507 + 55000 1305 + 60000 1122 + 65000 964 + 70000 827 + 75000 710 + 80000 606 + 85000 519 + 90000 445 + 95000 382 + 100000 330 + 105000 284 + 110000 245 + 115000 213 + 120000 183 + 125000 161>; + }; + + tboard_thermistor2: thermal-sensor-t2 { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&auxadc 0>; + io-channel-names = "sensor-channel"; + temperature-lookup-table = < (-5000) 4241 + 0 4063 + 5000 3856 + 10000 3621 + 15000 3364 + 20000 3091 + 25000 2810 + 30000 2526 + 35000 2247 + 40000 1982 + 45000 1734 + 50000 1507 + 55000 1305 + 60000 1122 + 65000 964 + 70000 827 + 75000 710 + 80000 606 + 85000 519 + 90000 445 + 95000 382 + 100000 330 + 105000 284 + 110000 245 + 115000 213 + 120000 183 + 125000 161>; + }; + + tboard_thermistor3: thermal-sensor-t3 { + compatible = "generic-adc-thermal"; + #thermal-sensor-cells = <0>; + io-channels = <&auxadc 0>; + io-channel-names = "sensor-channel"; + temperature-lookup-table = < (-5000) 4241 + 0 4063 + 5000 3856 + 10000 3621 + 15000 3364 + 20000 3091 + 25000 2810 + 30000 2526 + 35000 2247 + 40000 1982 + 45000 1734 + 50000 1507 + 55000 1305 + 60000 1122 + 65000 964 + 70000 827 + 75000 710 + 80000 606 + 85000 519 + 90000 445 + 95000 382 + 100000 330 + 105000 284 + 110000 245 + 115000 213 + 120000 183 + 125000 161>; + }; + usb_vbus: regulator-5v0-usb-vbus { compatible = "regulator-fixed"; regulator-name = "usb-vbus"; @@ -243,6 +345,10 @@ &gpu { mali-supply = <&mt6315_7_vbuck1>; }; +&auxadc { + status = "okay"; +}; + &i2c0 { status = "okay"; @@ -1074,6 +1180,24 @@ mt6315_7_vbuck1: vbuck1 { }; }; +&thermal_zones { + ap_ntc1 { + polling-delay = <1000>; + polling-delay-passive = <0>; + thermal-sensors = <&tboard_thermistor1>; + }; + ap_ntc2 { + polling-delay = <1000>; + polling-delay-passive = <0>; + thermal-sensors = <&tboard_thermistor2>; + }; + ap_ntc3 { + polling-delay = <1000>; + polling-delay-passive = <0>; + thermal-sensors = <&tboard_thermistor3>; + }; +}; + &u3phy0 { status = "okay"; };