From patchwork Tue Feb 21 09:53:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinbo Zhu X-Patchwork-Id: 655922 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 721F7C6379F for ; Tue, 21 Feb 2023 09:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234086AbjBUJzZ (ORCPT ); Tue, 21 Feb 2023 04:55:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234039AbjBUJzU (ORCPT ); Tue, 21 Feb 2023 04:55:20 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id ED4DE93FE; Tue, 21 Feb 2023 01:54:43 -0800 (PST) Received: from loongson.cn (unknown [10.20.42.35]) by gateway (Coremail) with SMTP id _____8AxJEy7lPRj3BwDAA--.935S3; Tue, 21 Feb 2023 17:54:03 +0800 (CST) Received: from user-pc.202.106.0.20 (unknown [10.20.42.35]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxX+SzlPRj96g3AA--.1894S2; Tue, 21 Feb 2023 17:54:02 +0800 (CST) From: Yinbo Zhu To: "Rafael J . Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jianmin Lv , Liu Peibao , wanghongliang@loongson.cn, zhanghongchen , Yinbo Zhu Subject: [PATCH v13 1/2] thermal: loongson-2: add thermal management support Date: Tue, 21 Feb 2023 17:53:54 +0800 Message-Id: <20230221095355.9799-1-zhuyinbo@loongson.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxX+SzlPRj96g3AA--.1894S2 X-CM-SenderInfo: 52kx5xhqerqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvJXoW3Zr1xur1DXr4xKr45ZFyrJFb_yoWDXF48pF W3Ca98GrsrJFsruan8ArW8AFs0y3WayFy7ZFWxCw1Y9rZ8J343WryktFy8Ar97CFyUJF43 ZF98KrWUCFWDZ3DanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b78Fc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUXVWUAwA2ocxC64 kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28E F7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l 57IF6xkI12xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1Y6r17McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv8VWrMxC20s026x CaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_ JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r 1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_ Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8Jr UvcSsGvfC2KfnxnUUI43ZEXa7IU8c_-PUUUUU== Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This patch adds the support for Loongson-2 thermal sensor controller, which can support maximum 4 sensors, each sensor contains a sampling register and a control register. The sampling register is used to obtain the temperature in real time, the control register GATE field is used to set the threshold of high or low temperature, when the input temperature is higher than the high temperature threshold or lower than the low temperature threshold, an interrupt will occur. Signed-off-by: zhanghongchen Signed-off-by: Yinbo Zhu --- Change in v13: 1. Add a description about that how works the sensor. 2. Drop the COMPILE_TEST. 3. Rework the help prograph in LOONGSON2_THERMAL Kconfig. 4. Drop the 'tzd' 'irq' and 'pdev' element in loongson2_thermal_data. 5. Drop the reset of variable in loongson2_thermal_set. 6. Drop the function loongson2_thermal_get_sensor_id. 7. Drop the function loongson2_thermal_alarm_irq. 8. Rework the devm_thermal_of_zone_register. 9. Pass 'tzd' instead of 'data' in devm_request_threaded_irq. 10. Drop the "data->tzd->tzp->no_hwmon = false". 11. Drop the loongson2_thermal_remove. 12. Add the sensor id in the of_device_id data field. 13. Drop the save and restore function. Change in v12: 1. Fixup it about min and max. 2. Use dev_err_probe replace dev_err in devm_request_threaded_irq context. Change in v11: 1. Add min() and max() to replace related code in function loongson2_thermal_set. 2. Add dev_err_probe to to replace related code for function return value use devm_thermal_of_zone_register. 3. Replace thermal_add_hwmon_sysfs with devm_thermal_add_hwmon_sysfs and use dev_warn replace dev_err in this context. Change in v10: 1. Add all history change log information. Change in v9: 1. Switch new API that use devm_thermal_of_zone_register to replace previous interfaces. 2. Add depend on LOONGARCH || COMPILE_TEST. Change in v8: 1. Replace string loongson2/Loongson2/LOONGSON2 with loongson-2/ Loongson-2/LOONGSON-2 in Kconfig and commit log and MAINTAINERS files. Change in v7: 1. Split the modification of patch 3 and merge it into this patch. 2. Remove the unless code annotation to fix the compile warning when compile C code with W=1. Change in v6: 1. NO change, but other patch in this series of patches set has changes. Change in v5: 1. NO change, but other patch in this series of patches set has changes. Change in v4: 1. Fixup the compatible. Change in v3: 1. Add a function to gain sensor id an remove dts id. Change in v2: 1. Remove error msg printing when addr ioremap has error. 2. Make loongson2 thermal driver was built-in by default. 3. Replace ls2k with loongson2. 4. Remove CONFIG_PM_SLEEP and set pm function type was __maybe_unused. MAINTAINERS | 7 ++ drivers/thermal/Kconfig | 11 ++ drivers/thermal/Makefile | 1 + drivers/thermal/loongson2_thermal.c | 167 ++++++++++++++++++++++++++++ 4 files changed, 186 insertions(+) create mode 100644 drivers/thermal/loongson2_thermal.c diff --git a/MAINTAINERS b/MAINTAINERS index 57d1d6ecb33d..54e63f51ae6d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12086,6 +12086,13 @@ S: Maintained F: Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml F: drivers/pinctrl/pinctrl-loongson2.c +LOONGSON-2 SOC SERIES THERMAL DRIVER +M: zhanghongchen +M: Yinbo Zhu +L: linux-pm@vger.kernel.org +S: Maintained +F: drivers/thermal/loongson2_thermal.c + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index eaeb2b2ee6e9..d4b5ecead80e 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -508,4 +508,15 @@ config KHADAS_MCU_FAN_THERMAL If you say yes here you get support for the FAN controlled by the Microcontroller found on the Khadas VIM boards. +config LOONGSON2_THERMAL + tristate "Loongson-2 SoC series thermal driver" + depends on LOONGARCH && OF + help + Support for Thermal driver found on Loongson-2 SoC series platforms. + The thermal driver realizes get_temp and set_trips function, which + are used to obtain the temperature of the current node and set the + temperature range to trigger the interrupt. When the input temperature + is higher than the high temperature threshold or lower than the low + temperature threshold, the interrupt will occur. + endif diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index b9b5dc86f5fd..bfc928f70f6d 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -62,3 +62,4 @@ obj-$(CONFIG_UNIPHIER_THERMAL) += uniphier_thermal.o obj-$(CONFIG_AMLOGIC_THERMAL) += amlogic_thermal.o obj-$(CONFIG_SPRD_THERMAL) += sprd_thermal.o obj-$(CONFIG_KHADAS_MCU_FAN_THERMAL) += khadas_mcu_fan.o +obj-$(CONFIG_LOONGSON2_THERMAL) += loongson2_thermal.o diff --git a/drivers/thermal/loongson2_thermal.c b/drivers/thermal/loongson2_thermal.c new file mode 100644 index 000000000000..7d5f32f50c0c --- /dev/null +++ b/drivers/thermal/loongson2_thermal.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Author: zhanghongchen + * Yinbo Zhu + * Copyright (C) 2022-2023 Loongson Technology Corporation Limited + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "thermal_hwmon.h" + +#define LOONGSON2_SOC_MAX_SENSOR_NUM 4 + +#define LOONGSON2_TSENSOR_CTRL_HI 0x0 +#define LOONGSON2_TSENSOR_CTRL_LO 0x8 +#define LOONGSON2_TSENSOR_STATUS 0x10 +#define LOONGSON2_TSENSOR_OUT 0x14 + +struct loongson2_thermal_data { + int id; + void __iomem *regs; +}; + +static int loongson2_thermal_set(struct loongson2_thermal_data *data, + int low, int high, bool enable) +{ + u64 reg_ctrl = 0; + int reg_off = data->id * 2; + + if (low > high) + return -EINVAL; + + low = max(low, -40); + high = min(high, 125); + + low += 100; + high += 100; + + reg_ctrl = low; + reg_ctrl |= enable ? 0x100 : 0; + writew(reg_ctrl, data->regs + LOONGSON2_TSENSOR_CTRL_LO + reg_off); + + reg_ctrl = high; + reg_ctrl |= enable ? 0x100 : 0; + writew(reg_ctrl, data->regs + LOONGSON2_TSENSOR_CTRL_HI + reg_off); + + return 0; +} + +static int loongson2_thermal_get_temp(struct thermal_zone_device *tz, int *temp) +{ + u32 reg_val; + struct loongson2_thermal_data *data = tz->devdata; + + reg_val = readl(data->regs + LOONGSON2_TSENSOR_OUT); + *temp = ((reg_val & 0xff) - 100) * 1000; + + return 0; +} + +static irqreturn_t loongson2_thermal_irq_thread(int irq, void *dev) +{ + struct thermal_zone_device *tzd = dev; + struct loongson2_thermal_data *data = tzd->devdata; + + /* clear interrupt */ + writeb(0x3, data->regs + LOONGSON2_TSENSOR_STATUS); + + thermal_zone_device_update(tzd, THERMAL_EVENT_UNSPECIFIED); + + return IRQ_HANDLED; +} + +static int loongson2_thermal_set_trips(struct thermal_zone_device *tz, int low, int high) +{ + struct loongson2_thermal_data *data = tz->devdata; + + return loongson2_thermal_set(data, low/1000, high/1000, true); +} + +static const struct thermal_zone_device_ops loongson2_of_thermal_ops = { + .get_temp = loongson2_thermal_get_temp, + .set_trips = loongson2_thermal_set_trips, +}; + +static int loongson2_thermal_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct loongson2_thermal_data *data; + struct thermal_zone_device *tzd; + int ret, irq, i; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->id = (uintptr_t)device_get_match_data(dev); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + data->regs = devm_ioremap(dev, res->start, resource_size(res)); + if (IS_ERR(data->regs)) + return PTR_ERR(data->regs); + + /* get irq */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + if (data->id > LOONGSON2_SOC_MAX_SENSOR_NUM - 1 || data->id < 0) { + dev_err(dev, "sensor id error,must be in <0 ~ %d>\n", + LOONGSON2_SOC_MAX_SENSOR_NUM - 1); + return -EINVAL; + } + + writeb(0xff, data->regs + LOONGSON2_TSENSOR_STATUS); + + loongson2_thermal_set(data, 0, 0, false); + + for (i = 0; i < LOONGSON2_SOC_MAX_SENSOR_NUM; i++) { + tzd = devm_thermal_of_zone_register(&pdev->dev, i, + data, &loongson2_of_thermal_ops); + + if (!IS_ERR(tzd)) + break; + + if (PTR_ERR(tzd) != ENODEV) + continue; + + return dev_err_probe(&pdev->dev, PTR_ERR(tzd), + "failed to register"); + } + + ret = devm_request_threaded_irq(dev, irq, NULL, loongson2_thermal_irq_thread, + IRQF_ONESHOT, "loongson2_thermal", tzd); + if (ret < 0) + return dev_err_probe(dev, ret, "failed to request alarm irq\n"); + + if (devm_thermal_add_hwmon_sysfs(tzd)) + dev_warn(&pdev->dev, "Failed to add hwmon sysfs attributes\n"); + + return 0; +} + +static const struct of_device_id of_loongson2_thermal_match[] = { + { .compatible = "loongson,ls2k-thermal", .data = (const void *)0}, + { /* end */ } +}; +MODULE_DEVICE_TABLE(of, of_loongson2_thermal_match); + +static struct platform_driver loongson2_thermal_driver = { + .driver = { + .name = "loongson2_thermal", + .of_match_table = of_loongson2_thermal_match, + }, + .probe = loongson2_thermal_probe, +}; +module_platform_driver(loongson2_thermal_driver); + +MODULE_DESCRIPTION("Loongson2 thermal driver"); +MODULE_LICENSE("GPL"); From patchwork Tue Feb 21 09:53:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinbo Zhu X-Patchwork-Id: 655627 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 8BA07C61DA3 for ; Tue, 21 Feb 2023 09:57:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234078AbjBUJ5F (ORCPT ); Tue, 21 Feb 2023 04:57:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234058AbjBUJ5E (ORCPT ); Tue, 21 Feb 2023 04:57:04 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3C0BF1BF4; Tue, 21 Feb 2023 01:57:02 -0800 (PST) Received: from loongson.cn (unknown [10.20.42.35]) by gateway (Coremail) with SMTP id _____8Bxedm9lPRj4BwDAA--.914S3; Tue, 21 Feb 2023 17:54:05 +0800 (CST) Received: from user-pc.202.106.0.20 (unknown [10.20.42.35]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxX+SzlPRj96g3AA--.1894S3; Tue, 21 Feb 2023 17:54:03 +0800 (CST) From: Yinbo Zhu To: "Rafael J . Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jianmin Lv , Liu Peibao , wanghongliang@loongson.cn, zhanghongchen , Yinbo Zhu , Krzysztof Kozlowski Subject: [PATCH v13 2/2] dt-bindings: thermal: add loongson-2 thermal Date: Tue, 21 Feb 2023 17:53:55 +0800 Message-Id: <20230221095355.9799-2-zhuyinbo@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230221095355.9799-1-zhuyinbo@loongson.cn> References: <20230221095355.9799-1-zhuyinbo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxX+SzlPRj96g3AA--.1894S3 X-CM-SenderInfo: 52kx5xhqerqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvJXoWxXF47tF4DGrW5XF45Kw18uFg_yoW5Zry5pF 47Cas5GrWvv3W7uanIkFyIyrsYvFnayFZrXr4xKw15tr98W34aqrW7K3WDu393Gr4jgFWU uFySkr4UCF1DArJanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bfxFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUXVWUAwA2ocxC64 kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28E F7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE 52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I 80ewAv7VC0I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCj c4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxkF7I0En4kS14v26r126r1DMxAIw28IcxkI7V AKI48JMxAIw28IcVCjz48v1sIEY20_WwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C2 67AKxVWUXVWUAwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI 8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8 JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r 1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBI daVFxhVjvjDU0xZFpf9x07joKZXUUUUU= Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add the Loongson-2 thermal binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu Reviewed-by: Krzysztof Kozlowski --- Change in v13: 1. Drop the sensor id. Change in v12: 1. NO change, but other patch in this series of patches set has changes. Change in v11: 1. NO change, but other patch in this series of patches set has changes. Change in v10: 1. Add all history change log information. Change in v9: 1. NO change, but other patch in this series of patches set has changes. Change in v8: 1. Replace string Loongson2/loongson2 with Loongson-2/loongson-2. Change in v7: 1. Split the modification of patch 3 and merge it into this patch. Change in v6: 1. Fix the warning "reg: [[0, 534779136], [0, 48]] is too long" when compile the yaml. Change in v5: 1. Keep use same quotes "'" in all places. Change in v4: 1. Fixup the compatible. 2. Update the binding file name. 3. Include irq.h to fix compile issue. Change in v3: 1. Remove the sensor id. 2. Remove the interrupt-parent in thermal required property. 3. Update the thermal binding file name. 4. Fixup the commit log information. Change in v2: 1. Add description and type about the "id". 2. Make the filename was based on compatible. .../thermal/loongson,ls2k-thermal.yaml | 38 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml diff --git a/Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml b/Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml new file mode 100644 index 000000000000..258046383179 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/loongson,ls2k-thermal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Thermal sensors on Loongson-2 SoCs + +maintainers: + - zhanghongchen + - Yinbo Zhu + +properties: + compatible: + const: loongson,ls2k-thermal + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + thermal: thermal-sensor@1fe01500 { + compatible = "loongson,ls2k-thermal"; + reg = <0x1fe01500 0x30>; + interrupt-parent = <&liointc0>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 54e63f51ae6d..91ce05110f04 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12091,6 +12091,7 @@ M: zhanghongchen M: Yinbo Zhu L: linux-pm@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml F: drivers/thermal/loongson2_thermal.c LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)