From patchwork Tue Jan 24 13:17:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balsam CHIHI X-Patchwork-Id: 4459 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp2143908wrn; Tue, 24 Jan 2023 05:20:00 -0800 (PST) X-Google-Smtp-Source: AK7set+HNLs8uZqTKglfacm1JoxzkPajnGuzeuUL9m2VqT0rybEHJHKCYcr85jh2b5XT+RdwvIlu X-Received: by 2002:a17:907:9d19:b0:877:e1bf:c3fa with SMTP id kt25-20020a1709079d1900b00877e1bfc3famr3007423ejc.68.1674566400287; Tue, 24 Jan 2023 05:20:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674566400; cv=none; d=google.com; s=arc-20160816; b=RvdVBY5LTeEaMrylJeUZpSkbVlT2KzKxlsVzwFBqMLQ2gVOV0Qntk/iQ4Od8b60X2t 2VKsWObovDhHWS3I5SxRM3qgZlLpq8UCLt/bkoFE2/VcJ7EUFIpa7D3tgN6X7Pqa6LKM aP2Tn6oTW1Vwl1vdbHcOkL7xdyB1Nu/qVvly7aaUtpjg73fRMRb7HN+9xZxwhUwSzIRP vVmxS7lKyyC/Ah/AM0eNZ0teHsmBbnPPgvwPg/eBJsPm+RPMhNhaweXr3i/xYFfF9e7d Gxc3tQe3inMOnV6Im1ilRN4FHJQVdpZNGTfFaKw6pFlSgnfhaZNuDCz1yc+d3iLXCHkc DyBw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=gcsiQs+yEKP/R93zQ24MnM+VOqwbIKPtvzI1bM864qQ=; b=qi2LIyEB14DlURg7JtOYOQVn6ZNKdvphyURJF2t5qTu22sZosaLvjYxKlTgPh6JZrg MLCCG1vu5aokNoOXNdELEfwBKb/Nk8g+QKeZnJlBN6IH+Qtwpoy1ECBHG7jlS9rs/Sba CRsnTisdgpSeX1Urjzx9I0pl9G8dN4OEeI8KaHebN9Lrqq6hIPNDrmasrxmJUsDWjfXd P8+xQehCv4J0GHXW1lebYkriOgxJk8JlcE+hBbFJa3F/4+cehPnhNRtqLTLFLL1FV+33 HAurh63BO+iMyClfxfxg5a8U4cQYrxrcKiySgzQF6GP1T1lTEaXrvpTr5iRxGc3eczsB bjxw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20210112.gappssmtp.com header.s=20210112 header.b="I2pP7/1u"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id eu20-20020a170907299400b007c1031bec6esi2779971ejc.857.2023.01.24.05.19.36; Tue, 24 Jan 2023 05:20:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20210112.gappssmtp.com header.s=20210112 header.b="I2pP7/1u"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233858AbjAXNRY (ORCPT + 99 others); Tue, 24 Jan 2023 08:17:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233594AbjAXNRW (ORCPT ); Tue, 24 Jan 2023 08:17:22 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 144333D08C for ; Tue, 24 Jan 2023 05:17:19 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id t18so1028106wro.1 for ; Tue, 24 Jan 2023 05:17:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=gcsiQs+yEKP/R93zQ24MnM+VOqwbIKPtvzI1bM864qQ=; b=I2pP7/1u15jyyBRHBmMiScxaj7BUA8Y+HhNNygeSvme5jcP3ppDrFPMseFvC7ZxKd5 a16Ki+tRfvr7BnHkwTnB+flPrG9KjOuZcTX7hK6mqo2uacc7XIfFW12Tvj00hHg2gHSU 3xg8OcNxYkt+ylotmu6Ckn6JxeXyDYQNrjXg9GRtJ0nGrQmXFlA1psh17bw37OLIXmDW 2yutzjCpJOkY+JsgI/MEox3omysfyTKtdGHabsSe4j2I/Y50eee92mNMrKpPYY2LmuQt YDCWbtAMzHGFnAwkOPevDRtG1KkHN1cVTY6SOHpGyME/PvjhDsVZh+nGzXvSrDRD3aIn fwKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=gcsiQs+yEKP/R93zQ24MnM+VOqwbIKPtvzI1bM864qQ=; b=adf2gscja6Nz7c8ubH7NER7UN1GBRG69MYxItXm0bE9YOIte/BWCDIpAmyRUEXRgbL 0UpoDxeCQ6RhhS2iJmghHcs6CEbKRi9mqx7zy9zQU9YivtmuCCgDZvF4zBGrm1ORRqtq Q4dc/hg3jxb0MkqJVc08ix7DbSgSKu+6kkU34/LgxZvwZMrk1dV+pZdZumSoQ6YoN+GE xohSL6zozGwn/RKNZL/4e7Vtvf4+GUrodHS5wFAl/o8uF6u6rCcLIhPAApXulPsHrv2B GedNMrpZOnWt9pYJfyFasEYUEGNiUND+Ut4t+wvCS7XAo7898qt3ncNMIRnd2tROY+wr IbKw== X-Gm-Message-State: AFqh2krEf/YIiWGKtu2LS1o/I4xU34ZwoPh7N+6k0jgeQKKlLu4wz3Ee YizR7e25WEUdiqdaoHZFipGteg== X-Received: by 2002:a5d:4446:0:b0:2ba:c946:868b with SMTP id x6-20020a5d4446000000b002bac946868bmr23432108wrr.23.1674566237463; Tue, 24 Jan 2023 05:17:17 -0800 (PST) Received: from t480-bl003.civfrance.com (58.188.158.77.rev.sfr.net. [77.158.188.58]) by smtp.gmail.com with ESMTPSA id a5-20020adfeec5000000b002bfb5ebf8cfsm49427wrp.21.2023.01.24.05.17.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Jan 2023 05:17:17 -0800 (PST) From: bchihi@baylibre.com To: daniel.lezcano@linaro.org, angelogioacchino.delregno@collabora.com, rafael@kernel.org, amitk@kernel.org, rui.zhang@intel.com, matthias.bgg@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, rdunlap@infradead.org, ye.xingchen@zte.com.cn, p.zabel@pengutronix.de Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, khilman@baylibre.com, james.lo@mediatek.com, rex-bc.chen@mediatek.com Subject: [PATCH v11 0/6] Add LVTS thermal architecture Date: Tue, 24 Jan 2023 14:17:11 +0100 Message-Id: <20230124131717.128660-1-bchihi@baylibre.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755910137496699497?= X-GMAIL-MSGID: =?utf-8?q?1755910137496699497?= From: Balsam CHIHI The LVTS (Low Voltage Thermal Sensor) driver is capable of monitoring multiple hot points. For that, it contains 7 thermal control blocks dedicated to specific devices on the die. Each control block can handle up to 4 sensors. The thermal controller supports several interrupts. One for the cold trip point, the hot trip point, the return to the normal trip point, and a specific programmable trip point to monitor the temperature dynamically. The temperature measurement can be done in two ways, the immediate mode where the temperature read is instantaneous and the filtered mode where the controller uses, by configuration, an average of a set of values removing the minimum and the maximum. Finally, it is composed of 2 finite-state machines responsible for the state of the temperature (cold, hot, hot 2 normal, hot hot), the triggering of the interrupts, and the monitoring of the temperature. As requested, the thermal driver has been reworked to reduce the complexity of the code. At this time, the 4 little CPUs and the 4 big CPUs are supported by the thermal driver.They are described in a data structure and more devices can be added later. The calibration routine has been simplified also. The series provide the following changes: - Move the Mediatek drivers inside a dedicated folder as their number is increasing - Add the DT bindings for the controller - Add the efuse node for the mt8195 - The LVTS driver - The thermal zones description in the DT Changelog: v11: - Rebase on top of "thermal/linux-next" : base=0d568e144ead70189e7f16066dcb155b78ff9266 - Remove unsupported SoC (mt8192) from dt-binding definition - Fix coding style issues : - Move litterals to define - Add interrupt macros - Remove wildcard : only mt8195 is supported for now v10: - Rebase on top of "thermal/linux-next" : thermal-v6.3-rc1 - Rework the LVTS driver - Add the thermal trip temperature and cooling devices for the sensors supported by the driver v9: - Rebase on top of 6.0.0-rc1 - Fix coding style issues - Fix commit titles and commit messages - Update dt-bindings : - Add "allOf:if:then:" - Use mt8192 as example (instead of mt8195) - Fix dt-binding errors - Fix DTS errors v8: - Fix coding style issues - Rebase on top of next-20220803 - Add multi-instance support : - Rewrite DT-binding and DTS : - Add DT-binding and DTS for LVTS_v4 (MT8192 and MT8195) - One LVTS node for each HW Domain (AP and MCU) - One SW Instance for each HW Domain - Add a Kconfig sub-menu entry for LVTS and LVTS_v4 SoCs - Replace platform_get_resource by platform_get_mem_or_io to get Base Address - Replace platform_get_resource by platform_get_irq to get Interrupt Number - Add "lvts_" prefix to functions and structs v7: - Fix coding style issues - Rewrite dt bindings - was not accurate - Use mt8195 for example (instead of mt8192) - Rename mt6873 to mt8192 - Remove clock name - Rebased on top of to series: - patchwork.kernel.org/project/linux-mediatek/list/?series=637849 - patchwork.kernel.org/project/linux-pm/list/?series=639386 v6: - Remove temperature aggregation (it will be added in another series) - Update the way to read the temperature (read one sensor instead of all) - Add support of mt8195 v5: - Use 'git mv' for the relocated file. v4: - Rebase to kernel-v5.13-rc1 v3: - change the expression in the lvts_temp_to_raw to dev_s64. v2: - Rebase to kernel-5.11-rc1. - sort headers - remove initial value 0 of msr_raw in the lvts_temp_to_raw. - disconstruct the api of lvts_read_tc_msr_raw. - add the initial value max_temp = 0 and compare e.q. in the lvts_read_all_tc_temperature. - add the return with an invalid number in the lvts_init. Balsam CHIHI (6): thermal/drivers/mediatek: Relocate driver to mediatek folder dt-bindings/thermal/mediatek: Add LVTS thermal controllers dt-binding definition arm64/dts/mt8195: Add efuse node to mt8195 thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver arm64/dts/mt8195: Add thermal zones and thermal nodes arm64/dts/mt8195: Add temperature mitigation threshold .../thermal/mediatek,lvts-thermal.yaml | 107 ++ arch/arm64/boot/dts/mediatek/mt8195.dtsi | 272 ++++ drivers/thermal/Kconfig | 14 +- drivers/thermal/Makefile | 2 +- drivers/thermal/mediatek/Kconfig | 36 + drivers/thermal/mediatek/Makefile | 2 + .../auxadc_thermal.c} | 2 +- drivers/thermal/mediatek/lvts_thermal.c | 1261 +++++++++++++++++ include/dt-bindings/thermal/mediatek-lvts.h | 19 + 9 files changed, 1703 insertions(+), 12 deletions(-) create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml create mode 100644 drivers/thermal/mediatek/Kconfig create mode 100644 drivers/thermal/mediatek/Makefile rename drivers/thermal/{mtk_thermal.c => mediatek/auxadc_thermal.c} (99%) create mode 100644 drivers/thermal/mediatek/lvts_thermal.c create mode 100644 include/dt-bindings/thermal/mediatek-lvts.h base-commit: 0d568e144ead70189e7f16066dcb155b78ff9266