| /linux-6.12.1/Documentation/devicetree/bindings/iio/afe/ |
| D | voltage-divider.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/voltage-divider.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Voltage divider
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the midpoint of a voltage divider, the
14 interesting voltage is often the voltage over the full resistance
15 of the divider. This binding describes the voltage divider in such
18 Vin ----.
[all …]
|
| /linux-6.12.1/Documentation/devicetree/bindings/regulator/ |
| D | ltc3676.txt | 1 Linear Technology LTC3676 8-output regulators
4 - compatible: "lltc,ltc3676"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, sw4,
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between
26 regulator can not be disabled and thus should have the regulator-always-on
37 regulator-min-microvolt = <674400>;
[all …]
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| D | ltc3589.txt | 1 Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators
4 - compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,
13 nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
22 0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1
[all …]
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| D | mps,mp886x.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Monolithic Power Systems MP8867/MP8869 voltage regulator
10 - Jisheng Zhang <jszhang@kernel.org>
13 - $ref: regulator.yaml#
18 - mps,mp8867
19 - mps,mp8869
24 enable-gpios:
28 mps,fb-voltage-divider:
[all …]
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| /linux-6.12.1/drivers/cpufreq/ |
| D | armada-37xx-cpufreq.c | 1 // SPDX-License-Identifier: GPL-2.0+
7 * Gregory CLEMENT <gregory.clement@free-electrons.com>
24 #include "cpufreq-dt.h"
69 * divider, a VDD level, etc...
77 /* AVS value for the corresponding voltage (in mV) */
100 u8 divider[LOAD_LEVEL_NR]; member
109 /* {.cpu_freq_max = 1200*1000*1000, .divider = {1, 2, 4, 6} }, */
110 {.cpu_freq_max = 1000*1000*1000, .divider = {1, 2, 4, 5} },
111 {.cpu_freq_max = 800*1000*1000, .divider = {1, 2, 3, 4} },
112 {.cpu_freq_max = 600*1000*1000, .divider = {2, 4, 5, 6} },
[all …]
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| /linux-6.12.1/Documentation/devicetree/bindings/mfd/ |
| D | gateworks-gsc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/gateworks-gsc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - Watchdog Timer
15 - GPIO
16 - Pushbutton controller
17 - Hardware monitor with ADC's for temperature and voltage rails and
21 - Tim Harvey <tharvey@gateworks.com>
25 pattern: "gsc@[0-9a-f]{1,2}"
[all …]
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| /linux-6.12.1/Documentation/devicetree/bindings/hwmon/ |
| D | maxim,max20730.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Jean Delvare <jdelvare@suse.com>
12 - Guenter Roeck <linux@roeck-us.net>
17 up to 25A (max) load. This single-chip regulator provides extremely
18 compact, high efficiency power-delivery solutions with high-precision
29 - maxim,max20730
30 - maxim,max20734
31 - maxim,max20743
[all …]
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| D | adi,adm1177.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
19 - adi,adm1177
24 avcc-supply:
28 shunt-resistor-micro-ohms:
33 adi,shutdown-threshold-microamp:
37 based on shunt-resistor-micro-ohms.
[all …]
|
| /linux-6.12.1/Documentation/hwmon/ |
| D | ltc4261.rst | 10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC4261/LTC4261-2 negative voltage Hot Swap controllers allow a board
27 -----------
37 $ echo ltc4261 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
43 Voltage readings provided by this driver are reported as obtained from the ADC
44 registers. If a set of voltage divider resistors is installed, calculate the
45 real voltage by multiplying the reported value with (R1+R2)/R2, where R1 is the
[all …]
|
| D | ltc2945.rst | 10 Addresses scanned: -
14 https://www.analog.com/media/en/technical-documentation/data-sheets/2945fb.pdf
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC2945 is a rail-to-rail system monitor that measures current, voltage,
27 -----------
37 $ echo ltc2945 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
43 Voltage readings provided by this driver are reported as obtained from the ADC
44 registers. If a set of voltage divider resistors is installed, calculate the
[all …]
|
| D | ltc4260.rst | 10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
27 -----------
37 $ echo ltc4260 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
43 Voltage readings provided by this driver are reported as obtained from the ADC
44 registers. If a set of voltage divider resistors is installed, calculate the
45 real voltage by multiplying the reported value with (R1+R2)/R2, where R1 is the
46 value of the divider resistor against the measured voltage and R2 is the value
[all …]
|
| D | adm9240.rst | 10 Addresses scanned: I2C 0x2c - 0x2f
20 Addresses scanned: I2C 0x2c - 0x2f
24 http://pdfserv.maxim-ic.com/en/ds/DS1780.pdf
30 Addresses scanned: I2C 0x2c - 0x2f
37 - Frodo Looijaard <frodol@dds.nl>,
38 - Philip Edelbrock <phil@netroedge.com>,
39 - Michiel Rook <michiel@grendelproject.nl>,
40 - Grant Coady <gcoady.lk@gmail.com> with guidance
44 ---------
46 chip MSB 5-bit address. Each chip reports a unique manufacturer
[all …]
|
| D | pc87360.rst | 22 -----------------
27 - 0: None
28 - **1**: Forcibly enable internal voltage and temperature channels,
30 - 2: Forcibly enable all voltage and temperature channels, except in9
31 - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
50 but also monitoring eleven voltage inputs and two (PC87365) or up to four
56 PC87360 - 2 2 - 0xE1
57 PC87363 - 2 2 - 0xE8
58 PC87364 - 3 3 - 0xE4
[all …]
|
| D | lm78.rst | 6 * National Semiconductor LM78 / LM78-J
10 Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
20 Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
28 - Frodo Looijaard <frodol@dds.nl>
29 - Jean Delvare <jdelvare@suse.de>
32 -----------
34 This driver implements support for the National Semiconductor LM78, LM78-J
38 the LM78 and LM78-J are exactly identical. The LM79 has one more VID line,
43 seven voltage sensors, VID lines, alarms, and some miscellaneous stuff.
51 between -55 and +125 degrees, with a resolution of 1 degree.
[all …]
|
| D | lm80.rst | 10 Addresses scanned: I2C 0x28 - 0x2f
20 Addresses scanned: I2C 0x28 - 0x2f
28 - Frodo Looijaard <frodol@dds.nl>,
29 - Philip Edelbrock <phil@netroedge.com>
32 -----------
35 It is described as a 'Serial Interface ACPI-Compatible Microprocessor
41 seven voltage sensors, alarms, and some miscellaneous stuff.
48 is unclear about this). Measurements are guaranteed between -55 and
54 readings can be divided by a programmable divider (1, 2, 4 or 8) to give
56 represented, so some rounding is done. With a divider of 2, the lowest
[all …]
|
| D | gl518sm.rst | 21 - Frodo Looijaard <frodol@dds.nl>,
22 - Kyösti Mälkki <kmalkki@cc.hut.fi>
23 - Hong-Gunn Chew <hglinux@gunnet.org>
24 - Jean Delvare <jdelvare@suse.de>
27 -----------
40 sensors, and four voltage sensors. It can report alarms through the
46 situation. Measurements are guaranteed between -10 degrees and +110
47 degrees, with a accuracy of +/-3 degrees.
53 Fan readings can be divided by a programmable divider (1, 2, 4 or 8) to
55 accurately be represented, so some rounding is done. With a divider
[all …]
|
| /linux-6.12.1/arch/arm/boot/dts/nxp/imx/ |
| D | imx53-usbarmory.dts | 8 * This file is dual-licensed: you can use it either under the terms
47 /dts-v1/;
52 compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
57 stdout-path = &uart1;
66 compatible = "gpio-leds";
67 pinctrl-names = "default";
68 pinctrl-0 = <&pinctrl_led>;
70 led-user {
73 linux,default-trigger = "heartbeat";
83 operating-points = <
[all …]
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| D | imx6qdl-gw5913.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
21 stdout-path = &uart2;
24 gpio-keys {
25 compatible = "gpio-keys";
27 user-pb {
33 user-pb1x {
36 interrupt-parent = <&gsc>;
[all …]
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| D | imx6qdl-gw5910.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
19 stdout-path = &uart2;
27 gpio-keys {
28 compatible = "gpio-keys";
30 user-pb {
36 user-pb1x {
39 interrupt-parent = <&gsc>;
[all …]
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| D | imx6qdl-gw552x.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
25 gpio-keys {
26 compatible = "gpio-keys";
28 user-pb {
34 user-pb1x {
37 interrupt-parent = <&gsc>;
41 key-erased {
[all …]
|
| /linux-6.12.1/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ |
| D | ppatomctrl.h | 76 uint32_t pll_post_divider; /* post divider value */
78 pp_atomctrl_tcipll_fb_divider ul_fb_div; /* Output Parameter: PLL FB divider */
79 uint8_t uc_pll_ref_div; /* Output Parameter: PLL ref divider */
80 uint8_t uc_pll_post_div; /* Output Parameter: PLL post divider */
86 uint32_t pll_post_divider; /* post divider value */
88 pp_atomctrl_tcipll_fb_divider ul_fb_div; /*Output Parameter: PLL FB divider */
89 uint8_t uc_pll_ref_div; /*Output Parameter: PLL ref divider */
90 uint8_t uc_pll_post_div; /*Output Parameter: PLL post divider */
165 …uint16_t us_max_nb_voltage; /* high NB voltage, calculated using current VDDNB (D24F2…
166 …uint16_t us_min_nb_voltage; /* low NB voltage, calculated using current VDDNB (D24F2x…
[all …]
|
| /linux-6.12.1/drivers/hwmon/ |
| D | bt1-pvt.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Baikal-T1 Process, Voltage, Temperature sensor driver
17 /* Baikal-T1 PVT registers and their bitfields */
61 * PVT sensors-related limits and default values
65 * @PVT_VOLT_MIN: Minimal voltage in mV.
66 * @PVT_VOLT_MAX: Maximal voltage in mV.
67 * @PVT_VOLT_CHS: Number of voltage hwmon channels.
73 * when one is determined for Baikal-T1 SoC).
84 #define PVT_TEMP_MIN -48380L
105 * enum pvt_sensor_type - Baikal-T1 PVT sensor types (correspond to each PVT
[all …]
|
| /linux-6.12.1/Documentation/devicetree/bindings/iio/dac/ |
| D | dpot-dac.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/dac/dpot-dac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 It is assumed that the dpot is used as a voltage divider between the
15 divided voltage is provided by a vref regulator.
17 .------.
18 .-----------. | |
19 | vref |--' .---.
[all …]
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| /linux-6.12.1/drivers/gpu/drm/nouveau/nvkm/subdev/clk/ |
| D | gk20a.c | 2 * Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved.
48 for (pl = 0; pl < ARRAY_SIZE(_pl_to_div) - 1; pl++) { in div_to_pl()
53 return ARRAY_SIZE(_pl_to_div) - 1; in div_to_pl()
67 struct nvkm_device *device = clk->base.subdev.device; in gk20a_pllg_read_mnp()
71 pll->m = (val >> GPCPLL_COEFF_M_SHIFT) & MASK(GPCPLL_COEFF_M_WIDTH); in gk20a_pllg_read_mnp()
72 pll->n = (val >> GPCPLL_COEFF_N_SHIFT) & MASK(GPCPLL_COEFF_N_WIDTH); in gk20a_pllg_read_mnp()
73 pll->pl = (val >> GPCPLL_COEFF_P_SHIFT) & MASK(GPCPLL_COEFF_P_WIDTH); in gk20a_pllg_read_mnp()
79 struct nvkm_device *device = clk->base.subdev.device; in gk20a_pllg_write_mnp()
82 val = (pll->m & MASK(GPCPLL_COEFF_M_WIDTH)) << GPCPLL_COEFF_M_SHIFT; in gk20a_pllg_write_mnp()
83 val |= (pll->n & MASK(GPCPLL_COEFF_N_WIDTH)) << GPCPLL_COEFF_N_SHIFT; in gk20a_pllg_write_mnp()
[all …]
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| /linux-6.12.1/arch/arm64/boot/dts/freescale/ |
| D | imx8mm-venice-gw700x.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/leds/common.h>
9 #include <dt-bindings/net/ti-dp83867.h>
17 gpio-keys {
18 compatible = "gpio-keys";
20 key-user-pb {
26 key-user-pb1x {
29 interrupt-parent = <&gsc>;
[all …]
|