| /linux/drivers/hwmon/pmbus/ |
| H A D | ltc4286.c | 39 * The rsense value used in MBR formula in LTC4286 datasheet should be ohm unit.
40 * However, the rsense value that user input is micro ohm.
41 * Thus, the MBR setting which involves rsense should be shifted by 6 digits.
47 * The rsense value used in MBR formula in LTC4286 datasheet should be ohm unit.
48 * However, the rsense value that user input is micro ohm.
49 * Thus, the MBR setting which involves rsense should be shifted by 6 digits.
73 u32 rsense; in ltc4286_probe() local
107 "shunt-resistor-micro-ohms", &rsense)) in ltc4286_probe()
108 rsense = 300; /* 0.3 mOhm if not set via DT */ in ltc4286_probe()
110 if (rsense == 0) in ltc4286_probe()
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| H A D | xdp710.c | 64 int rsense; in xdp710_probe() local
93 rsense = micro_ohm_rsense[ret]; in xdp710_probe()
99 info->m[PSC_CURRENT_OUT] = DIV_ROUND_CLOSEST(m * rsense >> cs_rng, 1000); in xdp710_probe()
102 info->m[PSC_POWER] = DIV_ROUND_CLOSEST(m * rsense >> cs_rng, 1000); in xdp710_probe()
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| /linux/drivers/power/supply/ |
| H A D | max1721x_battery.c | 32 #define MAX1721X_REG_NRSENSE 0x1CF /* RSense in 10^-5 Ohm */
65 unsigned int rsense; /* in tenths uOhm */ member
108 * RSense stored in 10^-5 Ohm, so measurement voltage must be
174 /* We need signed current, so must cast info->rsense to signed type */ in max1721x_battery_get_property()
178 max172xx_current_to_voltage(reg) / (int)info->rsense; in max1721x_battery_get_property()
183 max172xx_current_to_voltage(reg) / (int)info->rsense; in max1721x_battery_get_property()
367 /* rsense init */ in devm_w1_max1721x_add_device()
368 info->rsense = 0; in devm_w1_max1721x_add_device()
369 if (regmap_read(info->regmap, MAX1721X_REG_NRSENSE, &info->rsense)) { in devm_w1_max1721x_add_device()
370 dev_err(info->w1_dev, "Can't read RSense. Hardware error.\n"); in devm_w1_max1721x_add_device()
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| H A D | max1720x_battery.c | 26 #define MAX1720X_NRSENSE 0xCF /* RSense in 10^-5 Ohm */
65 int rsense; member
294 return reg * (500000 / info->rsense); /* in uAh */ in max172xx_capacity_to_ps()
312 * RSense stored in 10^-5 Ohm, so measurement voltage must be
418 val->intval = max172xx_current_to_voltage(reg_val) / info->rsense; in max1720x_battery_get_property()
422 val->intval = max172xx_current_to_voltage(reg_val) / info->rsense; in max1720x_battery_get_property()
560 info->rsense = val; in max1720x_probe_nvmem()
561 if (!info->rsense) { in max1720x_probe_nvmem()
562 dev_warn(dev, "RSense not calibrated, set 10 mOhms!\n"); in max1720x_probe_nvmem()
563 info->rsense = 1000; /* in regs in 10^-5 */ in max1720x_probe_nvmem()
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| /linux/Documentation/devicetree/bindings/iio/temperature/ |
| H A D | adi,ltc2983.yaml | 219 adi,rsense-handle:
231 adi,rsense-share:
267 - adi,rsense-handle
283 adi,current-rotate: [ "adi,rsense-share" ]
314 adi,rsense-handle:
322 adi,rsense-share:
364 - adi,rsense-handle
367 adi,current-rotate: [ "adi,rsense-share" ]
440 "^rsense@":
455 adi,rsense-val-milli-ohms:
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| /linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | maxim,max34408.yaml | 73 maxim,rsense-val-micro-ohms:
75 Adjust the Rsense value to monitor higher or lower current levels for
82 - maxim,rsense-val-micro-ohms
131 maxim,rsense-val-micro-ohms = <5000>;
136 maxim,rsense-val-micro-ohms = <10000>;
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| /linux/Documentation/devicetree/bindings/iio/afe/ |
| H A D | temperature-transducer.yaml | 25 V(T) = Rsense * Isense(T)
27 T = 1 / (Rsense * alpha) * (V + offset * Rsense * alpha)
29 When using a temperature to voltage transducer, Rsense is set to 1.
46 | Rsense | |
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| /linux/drivers/hwmon/ |
| H A D | ltc4282.c | 146 u32 rsense; member
446 *val = DIV_ROUND_CLOSEST(in * MILLI, st->rsense); in ltc4282_read_current_word()
461 *val = DIV_ROUND_CLOSEST(in * MILLI, st->rsense); in ltc4282_read_current_byte()
511 * P = CODE(16b) * 0.040 * Vfs(out) * 2^16 / ((2^16 - 1)^2 * Rsense) in ltc4282_read_power_word()
516 U16_MAX * (u64)st->rsense); in ltc4282_read_power_word()
521 st->rsense * int_pow(U16_MAX, 2)); in ltc4282_read_power_word()
539 int_pow(U8_MAX, 2) * st->rsense); in ltc4282_read_power_byte()
558 * ((2^16 - 1)^2 * Rsense) in ltc4282_read_energy()
562 * E = CODE(48b) * 40 * Vfs(out) * 256 / (U16_MAX * Rsense) in ltc4282_read_energy()
564 * As Rsense can have tenths of micro-ohm resolution, we need to in ltc4282_read_energy()
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| /linux/drivers/iio/adc/ |
| H A D | qcom-spmi-iadc.c | 98 * @rsense: Values of the internal and external sense resister in micro Ohms.
110 u32 rsense[2]; member
331 isense_ua = vsense_uv / iadc->rsense[chan->channel]; in iadc_read_raw()
435 &iadc->rsense[IADC_EXT_RSENSE]); in iadc_rsense_read()
437 iadc->rsense[IADC_EXT_RSENSE] = IADC_INT_RSENSE_IDEAL_VALUE; in iadc_rsense_read()
439 if (!iadc->rsense[IADC_EXT_RSENSE]) { in iadc_rsense_read()
461 iadc->rsense[IADC_INT_RSENSE] = int_sense; in iadc_rsense_read()
522 iadc->rsense[IADC_INT_RSENSE], in iadc_probe()
523 iadc->rsense[IADC_EXT_RSENSE]); in iadc_probe()
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| H A D | max34408.c | 72 * @input_rsense: Rsense values in uOhm, will be overwritten by
165 * calculate current for 8bit ADC with Rsense in max34408_read_raw()
167 * 10 mV * 1000 / Rsense uOhm = max current in max34408_read_raw()
225 fwnode_property_read_u32(node, "maxim,rsense-val-micro-ohms", in max34408_probe()
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| /linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | adi,ltc4282.yaml | 33 adi,rsense-nano-ohms:
140 - adi,rsense-nano-ohms
153 adi,rsense-nano-ohms = <500>;
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | rohm,bd71815-pmic.yaml | 58 resistor (RSENSE in data sheet) should be used. If something other
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| H A D | rohm,bd71828-pmic.yaml | 64 External sense resistor (RSENSE in data sheet) should be used. If some
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| /linux/arch/arm/boot/dts/nuvoton/ |
| H A D | nuvoton-npcm750-runbmc-olympus.dts | 401 Rsense = <500>;
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| /linux/sound/soc/codecs/ |
| H A D | rt1305.c | 65 { RT1305_ADC_SET_1, 0x170f }, /* 0.2 ohm RSense*/
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