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/openbmc/linux/drivers/soc/tegra/fuse/
H A Dfuse-tegra30.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2022, NVIDIA CORPORATION. All rights reserved.
11 #include <linux/nvmem-consumer.h>
12 #include <linux/nvmem-provider.h>
44 if (WARN_ON(!fuse->base)) in tegra30_fuse_read_early()
47 return readl_relaxed(fuse->base + FUSE_BEGIN + offset); in tegra30_fuse_read_early()
55 err = pm_runtime_resume_and_get(fuse->dev); in tegra30_fuse_read()
59 value = readl_relaxed(fuse->base + FUSE_BEGIN + offset); in tegra30_fuse_read()
61 pm_runtime_put(fuse->dev); in tegra30_fuse_read()
90 fuse->read_early = tegra30_fuse_read_early; in tegra30_fuse_init()
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/openbmc/linux/Documentation/devicetree/bindings/thermal/
H A Dallwinner,sun8i-a83t-ths.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/thermal/allwinner,sun8i-a83t-ths.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner SUN8I Thermal Controller
10 - Vasily Khoruzhick <anarsoul@gmail.com>
11 - Yangtao Li <tiny.windzz@gmail.com>
16 - allwinner,sun8i-a83t-ths
17 - allwinner,sun8i-h3-ths
18 - allwinner,sun8i-r40-ths
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H A Dmediatek-thermal.txt1 * Mediatek Thermal
3 This describes the device tree binding for the Mediatek thermal controller
4 which measures the on-SoC temperatures. This device does not have its own ADC,
11 - compatible:
12 - "mediatek,mt8173-thermal" : For MT8173 family of SoCs
13 - "mediatek,mt2701-thermal" : For MT2701 family of SoCs
14 - "mediatek,mt2712-thermal" : For MT2712 family of SoCs
15 - "mediatek,mt7622-thermal" : For MT7622 SoC
16 - "mediatek,mt7981-thermal", "mediatek,mt7986-thermal" : For MT7981 SoC
17 - "mediatek,mt7986-thermal" : For MT7986 SoC
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H A Dqoriq-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qoriq-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
10 - Anson Huang <Anson.Huang@nxp.com>
19 ---------- -----
22 - fsl,qoriq-tmu
23 - fsl,imx8mq-tmu
31 fsl,tmu-range:
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H A Dsprd-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/sprd-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Spreadtrum thermal sensor controller
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
16 const: sprd,ums512-thermal
24 clock-names:
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H A Dqcom-spmi-adc-tm-hc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm-hc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm's SPMI PMIC ADC HC Thermal Monitoring
9 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
13 const: qcom,spmi-adc-tm-hc
21 "#thermal-sensor-cells":
24 Number of cells required to uniquely identify the thermal sensors. Since
27 "#address-cells":
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H A Dmediatek,lvts-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/mediatek,lvts-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek SoC Low Voltage Thermal Sensor (LVTS)
10 - Balsam CHIHI <bchihi@baylibre.com>
13 LVTS is a thermal management architecture composed of three subsystems,
14 a Sensing device - Thermal Sensing Micro Circuit Unit (TSMCU),
15 a Converter - Low Voltage Thermal Sensor converter (LVTS), and
21 - mediatek,mt8192-lvts-ap
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H A Dqcom-tsens.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 ---
5 $id: http://devicetree.org/schemas/thermal/qcom-tsens.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Amit Kucheria <amitk@kernel.org>
22 - description: msm8960 TSENS based
24 - enum:
25 - qcom,ipq8064-tsens
26 - qcom,msm8960-tsens
28 - description: v0.1 of TSENS
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H A Dimx-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/imx-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX Thermal
10 - Shawn Guo <shawnguo@kernel.org>
11 - Anson Huang <Anson.Huang@nxp.com>
16 - enum:
17 - fsl,imx6q-tempmon
18 - fsl,imx6sx-tempmon
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H A Dqcom-spmi-adc-tm5.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm's SPMI PMIC ADC Thermal Monitoring
9 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
14 - qcom,spmi-adc-tm5
15 - qcom,spmi-adc-tm5-gen2
16 - qcom,adc-tm7 # Incomplete / subject to change
24 "#thermal-sensor-cells":
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H A Dsocionext,uniphier-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/socionext,uniphier-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Socionext UniPhier thermal monitor
10 This describes the devicetree bindings for thermal monitor supported by
15 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
20 - socionext,uniphier-pxs2-thermal
21 - socionext,uniphier-ld20-thermal
22 - socionext,uniphier-pxs3-thermal
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H A Dimx8mm-thermal.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/thermal/imx8mm-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX8M Mini Thermal
10 - Anson Huang <Anson.Huang@nxp.com>
22 - enum:
23 - fsl,imx8mm-tmu
24 - fsl,imx8mp-tmu
25 - items:
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/openbmc/linux/drivers/thermal/
H A Damlogic_thermal.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Amlogic Thermal Sensor Driver
10 * U = ---------, Uptat = ---------
13 * Temperature = A * ( Uptat + u_efuse / 2^16 )- B
15 * A B m n : calibration parameters
16 * u_efuse : fused calibration value, it's a signed 16 bits value
27 #include <linux/thermal.h>
68 * @A: calibration parameters
69 * @B: calibration parameters
70 * @m: calibration parameters
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H A Ddove_thermal.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Dove thermal sensor driver
14 #include <linux/thermal.h>
19 /* Dove Thermal Manager Control and Status Register */
32 /* Dove Thermal Diode Control 1 Register */
36 /* Dove Thermal Sensor Dev Structure */
48 reg = readl_relaxed(priv->control); in dove_init_sensor()
54 /* Reference calibration value */ in dove_init_sensor()
58 /* Set the high level reference for calibration */ in dove_init_sensor()
61 writel(reg, priv->control); in dove_init_sensor()
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H A Dsun8i_thermal.c1 // SPDX-License-Identifier: GPL-2.0
3 * Thermal sensor driver for Allwinner SOC
16 #include <linux/nvmem-consumer.h>
22 #include <linux/thermal.h>
95 return tmdev->chip->offset - (reg * tmdev->chip->scale / 10); in sun8i_ths_calc_temp()
102 return -1191 * reg / 10 + 223000; in sun50i_h5_calc_temp()
104 return -1452 * reg / 10 + 259000; in sun50i_h5_calc_temp()
106 return -1590 * reg / 10 + 276000; in sun50i_h5_calc_temp()
112 struct ths_device *tmdev = s->tmdev; in sun8i_ths_get_temp()
115 regmap_read(tmdev->regmap, tmdev->chip->temp_data_base + in sun8i_ths_get_temp()
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H A Dqoriq_thermal.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <linux/thermal.h>
69 * Thermal zone data
85 return container_of(s, struct qoriq_tmu_data, sensor[s->id]); in qoriq_sensor_to_data()
113 regmap_read(qdata->regmap, REGS_TMR, &val); in tmu_get_temp()
115 return -EAGAIN; in tmu_get_temp()
117 if (regmap_read_poll_timeout(qdata->regmap, in tmu_get_temp()
118 REGS_TRITSR(qsensor->id), in tmu_get_temp()
123 return -ENODATA; in tmu_get_temp()
125 if (qdata->ver == TMU_VER1) { in tmu_get_temp()
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H A Drzg2l_thermal.c1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas RZ/G2L TSU Thermal Sensor Driver
17 #include <linux/thermal.h>
24 /* default calibration values, if FUSE values are missing */
67 return ioread32(priv->base + reg); in rzg2l_thermal_read()
73 iowrite32(data, priv->base + reg); in rzg2l_thermal_write()
107 * where calib0 and calib1 are the calibration values. in rzg2l_thermal_get_temp()
109 val = ((dsensor - priv->calib1) * (MCELSIUS(165) / in rzg2l_thermal_get_temp()
110 (priv->calib0 - priv->calib1))) - MCELSIUS(40); in rzg2l_thermal_get_temp()
139 return readl_poll_timeout(priv->base + TSU_SS, reg_val, in rzg2l_thermal_init()
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H A Dsprd_thermal.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/nvmem-consumer.h>
12 #include <linux/thermal.h>
57 /* thermal sensor calibration parameters */
58 #define SPRD_THM_TEMP_LOW -40000
139 return -EINVAL; in sprd_thm_cal_read()
154 * According to thermal datasheet, the default calibration offset is 64, in sprd_thm_sensor_calibration()
163 ratio += thm->ratio_sign * thm->ratio_off; in sprd_thm_sensor_calibration()
167 * calibration value of thermal from efuse, then calibrate the real in sprd_thm_sensor_calibration()
170 * b_cal = b + (dt_offset - 64) * 500. in sprd_thm_sensor_calibration()
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/openbmc/linux/drivers/thermal/mediatek/
H A Dauxadc_thermal.c1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/nvmem-consumer.h>
21 #include <linux/thermal.h>
36 /* Thermal Controller Registers */
93 /* MT8173 thermal sensors */
115 /* The calibration coefficient of sensor */
119 #define MT8173_TEMP_MIN -20000
123 * Layout of the fuses providing the calibration data
125 * MT8183 has 6 sensors and needs 6 VTS calibration data.
126 * MT8173 has 5 sensors and needs 5 VTS calibration data.
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H A Dlvts_thermal.c1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
15 #include <linux/nvmem-consumer.h>
19 #include <linux/thermal.h>
20 #include <dt-bindings/thermal/mediatek,lvts-thermal.h>
83 #define LVTS_COEFF_A -250460
129 u32 calibration[LVTS_SENSOR_MAX]; member
206 lvts_td->dom_dentry = debugfs_create_dir(dev_name(dev), NULL); in lvts_debugfs_init()
207 if (IS_ERR(lvts_td->dom_dentry)) in lvts_debugfs_init()
210 for (i = 0; i < lvts_td->num_lvts_ctrl; i++) { in lvts_debugfs_init()
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/openbmc/linux/Documentation/devicetree/bindings/nvmem/
H A Dsunplus,sp7021-ocotp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/nvmem/sunplus,sp7021-ocotp.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: On-Chip OTP Memory for Sunplus SP7021
11 - Vincent Shih <vincent.sunplus@gmail.com>
14 - $ref: nvmem.yaml#
18 const: sunplus,sp7021-ocotp
23 reg-names:
25 - const: hb_gpio
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/openbmc/linux/drivers/thermal/st/
H A Dst_thermal.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ST Thermal Sensor Driver core routines
6 * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited
16 /* The Thermal Framework expects millidegrees */
25 struct device *dev = sensor->dev; in st_thermal_alloc_regfields()
26 struct regmap *regmap = sensor->regmap; in st_thermal_alloc_regfields()
27 const struct reg_field *reg_fields = sensor->cdata->reg_fields; in st_thermal_alloc_regfields()
29 sensor->dcorrect = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
32 sensor->overflow = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
35 sensor->temp_data = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
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/openbmc/linux/Documentation/admin-guide/thermal/
H A Dintel_powerclamp.rst6 - Arjan van de Ven <arjan@linux.intel.com>
7 - Jacob Pan <jacob.jun.pan@linux.intel.com>
12 - Goals and Objectives
15 - Idle Injection
16 - Calibration
19 - Effectiveness and Limitations
20 - Power vs Performance
21 - Scalability
22 - Calibration
23 - Comparison with Alternative Techniques
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/openbmc/u-boot/drivers/power/
H A Dexynos-tmu.c6 * EXYNOS - Thermal Management Unit
17 * MA 02111-1307 USA
50 /* Tmeperature threshold values for various thermal events */
64 /* Pre-defined values and thresholds for calibration of current temperature */
66 /* pre-defined temperature thresholds */
68 /* pre-defined efuse range minimum value */
70 /* pre-defined efuse value for temperature calibration */
72 /* pre-defined efuse range maximum value */
84 /* pre-defined values for calibration and thresholds */
86 /* value required for triminfo_25 calibration */
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/openbmc/linux/Documentation/devicetree/bindings/soc/mediatek/
H A Dmtk-svs.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/mediatek/mtk-svs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Roger Lu <roger.lu@mediatek.com>
11 - Matthias Brugger <matthias.bgg@gmail.com>
12 - Kevin Hilman <khilman@kernel.org>
24 - mediatek,mt8183-svs
25 - mediatek,mt8192-svs
38 clock-names:
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