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/linux/Documentation/devicetree/bindings/hwmon/
H A Dnational,lm90.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jean Delvare <jdelvare@suse.com>
11 - Guenter Roeck <linux@roeck-us.net>
16 - adi,adm1032
17 - adi,adt7461
18 - adi,adt7461a
19 - adi,adt7481
20 - dallas,max6646
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H A Dbaikal,bt1-pvt.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/hwmon/baikal,bt1-pvt.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 PVT Sensor
11 - Serge Semin <fancer.lancer@gmail.com>
14 Baikal-T1 SoC provides an embedded process, voltage and temperature
15 sensor to monitor an internal SoC environment (chip temperature, supply
17 which may cause the system instability and even damages. The IP-block
19 control wrapper, which provides a MMIO registers-based access to the
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/linux/Documentation/devicetree/bindings/iio/afe/
H A Dtemperature-transducer.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/temperature-transducer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Temperature Transducer
10 - Liam Beguin <liambeguin@gmail.com>
13 A temperature transducer is a device that converts a thermal quantity
14 into any other physical quantity. This binding applies to temperature to
15 voltage (like the LTC2997), and temperature to current (like the AD590)
19 When an io-channel measures the output voltage of a temperature analog front
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/linux/Documentation/devicetree/bindings/thermal/
H A Dthermal-zones.yaml1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-zones.yaml#
6 $schema: http://devicetree.org/meta-schemas/base.yaml#
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
25 This binding describes the thermal-zones.
27 The polling-delay properties of a thermal-zone are bound to the maximum dT/dt
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos4210.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
20 #include "exynos4-cpu-thermal.dtsi"
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
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/linux/arch/arm64/boot/dts/rockchip/
H A Drk3368.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/rk3368-cru.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
11 #include <dt-bindings/power/rk3368-power.h>
12 #include <dt-bindings/soc/rockchip,boot-mode.h>
13 #include <dt-bindings/thermal/thermal.h>
17 interrupt-parent = <&gic>;
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/linux/arch/arm/boot/dts/rockchip/
H A Drk3288.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/interrupt-controller/irq.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/pinctrl/rockchip.h>
7 #include <dt-bindings/clock/rk3288-cru.h>
8 #include <dt-bindings/power/rk3288-power.h>
9 #include <dt-bindings/thermal/thermal.h>
10 #include <dt-bindings/soc/rockchip,boot-mode.h>
13 #address-cells = <2>;
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/linux/drivers/iio/afe/
H A Diio-rescale.c1 // SPDX-License-Identifier: GPL-2.0
33 *val *= rescale->numerator; in rescale_process_scale()
34 if (rescale->denominator == 1) in rescale_process_scale()
36 *val2 = rescale->denominator; in rescale_process_scale()
44 if (!check_mul_overflow(*val, rescale->numerator, &_val) && in rescale_process_scale()
45 !check_mul_overflow(*val2, rescale->denominator, &_val2)) { in rescale_process_scale()
53 tmp = div_s64(tmp, rescale->denominator); in rescale_process_scale()
54 tmp *= rescale->numerator; in rescale_process_scale()
82 * *val = 1 and *val2 = -0.5 yields -1.5 not -0.5. in rescale_process_scale()
86 tmp = (s64)abs(*val) * abs(rescale->numerator); in rescale_process_scale()
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/linux/drivers/iio/pressure/
H A Ddps310.c1 // SPDX-License-Identifier: GPL-2.0+
4 * The DPS310 is a barometric pressure and temperature sensor.
5 * Currently only reading a single temperature is supported by
10 * Temperature calculation:
14 * - Optionally support the FIFO
119 rc = regmap_bulk_read(data->regmap, DPS310_COEF_BASE, coef, in dps310_get_coefs()
125 * Calculate temperature calibration coefficients c0 and c1. The in dps310_get_coefs()
126 * numbers are 12-bit 2's complement numbers. in dps310_get_coefs()
129 data->c0 = sign_extend32(c0, 11); in dps310_get_coefs()
132 data->c1 = sign_extend32(c1, 11); in dps310_get_coefs()
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/linux/arch/arm64/boot/dts/qcom/
H A Dsm8150.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
7 #include <dt-bindings/dma/qcom-gpi.h>
8 #include <dt-bindings/firmware/qcom,scm.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/phy/phy-qcom-qmp.h>
11 #include <dt-bindings/power/qcom-rpmpd.h>
12 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
13 #include <dt-bindings/clock/qcom,rpmh.h>
14 #include <dt-bindings/clock/qcom,dispcc-sm8150.h>
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/linux/drivers/hwmon/
H A Dlm90.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
5 * Copyright (C) 2003-2010 Jean Delvare <jdelvare@suse.de>
10 * temperature) and a 3-4 deg accuracy.
14 * temperature measurement accuracy (1 degree), and the LM99
18 * When device is auto-detected, the driver will assume an LM99.
36 * These chips lack the remote temperature offset feature.
40 * to MAX6657/MAX6658/MAX6659, but does not support critical temperature
50 * but they use unsigned temperature values and can report temperatures
60 * chips, but support three temperature sensors instead of two. MAX6695
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H A Dbt1-pvt.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * Baikal-T1 Process, Voltage, Temperature sensor driver
18 #include <linux/hwmon-sysfs.h>
34 #include "bt1-pvt.h"
42 PVT_SENSOR_INFO(0, "CPU Core Temperature", hwmon_temp, TEMP, TTHRES),
44 PVT_SENSOR_INFO(1, "CPU Core Low-Vt", hwmon_in, LVT, LTHRES),
45 PVT_SENSOR_INFO(2, "CPU Core High-Vt", hwmon_in, HVT, HTHRES),
46 PVT_SENSOR_INFO(3, "CPU Core Standard-Vt", hwmon_in, SVT, STHRES),
50 * The original translation formulae of the temperature (in degrees of Celsius)
51 * to PVT data and vice-versa are following:
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/linux/include/soc/tegra/
H A Dbpmp-abi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved.
66 * A well-defined subset of the MRQ messages that the CPU sends to the
130 * -BPMP_EBADMSG and ignore the request.
144 …* | -------------------- | ------------------------------------ | --------------------------------…
223 * calculated by BPMP, -BPMP_EBADMSG will be returned and the request will
402 * @defgroup CC3 Auto-CC3
457 * mrq_ping_request challenge left shifted by 1 with the carry-bit
548 * The BPMP firmware implements a pseudo-filesystem called
637 * |-------------------|-------|
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