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/linux-6.12.1/Documentation/devicetree/bindings/iio/afe/
Dvoltage-divider.yaml1 # 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 …]
Dcurrent-sense-amplifier.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/current-sense-amplifier.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the output voltage from a current sense
15 through the sense resistor, not the voltage output. This binding
20 const: current-sense-amplifier
22 io-channels:
25 Channel node of a voltage io-channel.
[all …]
/linux-6.12.1/Documentation/devicetree/bindings/hwmon/
Dadi,adm1177.yaml1 # 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/arch/arm/boot/dts/nxp/imx/
Dimx6qdl-gw5913.dtsi1 // 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 …]
Dimx6qdl-gw5910.dtsi1 // 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 …]
Dimx6dl-victgo.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
9 #include "imx6qdl-vicut1.dtsi"
15 gpio-keys {
16 compatible = "gpio-keys";
17 pinctrl-names = "default";
18 pinctrl-0 = <&pinctrl_gpiokeys>;
21 key-power {
25 wakeup-source;
28 key-enter {
[all …]
Dimx6dl-plym2m.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/leds/common.h>
17 stdout-path = &uart4;
21 compatible = "pwm-backlight";
23 brightness-levels = <0 1000>;
24 num-interpolated-steps = <20>;
25 default-brightness-level = <19>;
26 power-supply = <&reg_12v0>;
[all …]
Dimx6dl-prtvt7.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/display/sdtv-standards.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
23 backlight_lcd: backlight-lcd {
24 compatible = "pwm-backlight";
26 brightness-levels = <0 20 81 248 1000>;
[all …]
/linux-6.12.1/Documentation/devicetree/bindings/mfd/
Dgateworks-gsc.yaml1 # 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 …]
/linux-6.12.1/arch/arm64/boot/dts/freescale/
Dimx8mm-venice-gw700x.dtsi1 // 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 …]
Dimx8mp-venice-gw702x.dtsi1 // 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>
21 gpio-keys {
22 compatible = "gpio-keys";
24 key-user-pb {
30 key-user-pb1x {
33 interrupt-parent = <&gsc>;
[all …]
Dimx8mn-venice-gw7902.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/net/ti-dp83867.h>
17 compatible = "gw,imx8mn-gw7902", "fsl,imx8mn";
24 stdout-path = &uart2;
33 compatible = "fixed-clock";
34 #clock-cells = <0>;
[all …]
Dimx8mm-venice-gw7902.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/net/ti-dp83867.h>
12 #include <dt-bindings/phy/phy-imx8-pcie.h>
18 compatible = "gw,imx8mm-gw7902", "fsl,imx8mm";
27 stdout-path = &uart2;
36 compatible = "fixed-clock";
[all …]
Dimx8mm-venice-gw7901.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/phy/phy-imx8-pcie.h>
17 compatible = "gw,imx8mm-gw7901", "fsl,imx8mm";
30 stdout-path = &uart2;
38 gpio-keys {
39 compatible = "gpio-keys";
[all …]
Dimx8mp-venice-gw74xx.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/phy/phy-imx8-pcie.h>
12 #include <dt-bindings/net/ti-dp83867.h>
18 compatible = "gateworks,imx8mp-gw74xx", "fsl,imx8mp";
31 stdout-path = &uart2;
40 pinctrl-names = "default";
[all …]
Dimx8mm-venice-gw7904.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/phy/phy-imx8-pcie.h>
17 compatible = "gateworks,imx8mm-gw7904", "fsl,imx8mm";
20 stdout-path = &uart2;
28 gpio-keys {
29 compatible = "gpio-keys";
[all …]
Dimx8mm-venice-gw7903.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/phy/phy-imx8-pcie.h>
17 compatible = "gw,imx8mm-gw7903", "fsl,imx8mm";
25 stdout-path = &uart2;
33 gpio-keys {
34 compatible = "gpio-keys";
[all …]
/linux-6.12.1/Documentation/devicetree/bindings/regulator/
Dmps,mp886x.yaml1 # 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 …]
Dltc3676.txt1 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 …]
Dltc3589.txt1 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 …]
/linux-6.12.1/arch/arm/boot/dts/aspeed/
Daspeed-bmc-ibm-system1.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /dts-v1/;
5 #include "aspeed-g6.dtsi"
6 #include <dt-bindings/gpio/aspeed-gpio.h>
7 #include <dt-bindings/i2c/i2c.h>
8 #include <dt-bindings/leds/leds-pca955x.h>
12 compatible = "ibm,system1-bmc", "aspeed,ast2600";
74 stdout-path = "uart5:115200n8";
82 reserved-memory {
83 #address-cells = <1>;
[all …]
/linux-6.12.1/include/linux/platform_data/
Dgsc_hwmon.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 * struct gsc_hwmon_channel - configuration parameters
19 * @mvoffset: voltage offset
20 * @vdiv: voltage divider array (2 resistor values in milli-ohms)
31 * struct gsc_hwmon_platform_data - platform data for gsc_hwmon driver
33 * @vreference: voltage reference (mV)
/linux-6.12.1/drivers/hwmon/
Dgsc-hwmon.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/hwmon-sysfs.h>
59 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_show()
63 ret = regmap_bulk_read(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_show()
77 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_store()
83 return -EINVAL; in pwm_auto_point_temp_store()
90 err = regmap_bulk_write(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_store()
103 return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10))); in pwm_auto_point_pwm_show()
157 ch = hwmon->in_ch[channel]; in gsc_hwmon_read()
160 ch = hwmon->temp_ch[channel]; in gsc_hwmon_read()
[all …]
Dadm1177.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 2015-2019 Analog Devices Inc.
27 * struct adm1177_state - driver instance specific data
31 * @vrange_high: internal voltage divider
42 return i2c_master_recv(st->client, data, num); in adm1177_read_raw()
47 return i2c_smbus_write_byte(st->client, cmd); in adm1177_write_cmd()
56 val = 0xFFULL * alert_threshold_ua * st->r_sense_uohm; in adm1177_write_alert_thr()
62 ret = i2c_smbus_write_byte_data(st->client, ADM1177_REG_ALERT_TH, in adm1177_write_alert_thr()
67 st->alert_threshold_ua = alert_threshold_ua; in adm1177_write_alert_thr()
92 4096 * st->r_sense_uohm); in adm1177_read()
[all …]
/linux-6.12.1/drivers/iio/afe/
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()
[all …]

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