/linux/drivers/iio/adc/ |
H A D | sd_adc_modulator.c | 31 struct regulator *vref; member 39 if (priv->vref) in iio_sd_mod_enable() 40 return regulator_enable(priv->vref); in iio_sd_mod_enable() 49 if (priv->vref) in iio_sd_mod_disable() 50 regulator_disable(priv->vref); in iio_sd_mod_disable() 106 struct regulator *vref; in iio_sd_mod_probe() local 122 vref = devm_regulator_get_optional(dev, "vref"); in iio_sd_mod_probe() 123 if (IS_ERR(vref)) { in iio_sd_mod_probe() 124 if (PTR_ERR(vref) != -ENODEV) in iio_sd_mod_probe() 125 return dev_err_probe(dev, PTR_ERR(vref), "Failed to get vref\n"); in iio_sd_mod_probe() [all …]
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H A D | max1241.c | 25 struct regulator *vref; member 94 vref_uV = regulator_get_voltage(adc->vref); in max1241_read_raw() 118 err = regulator_disable(adc->vref); in max1241_disable_vref_action() 120 dev_err(dev, "could not disable vref regulator.\n"); in max1241_disable_vref_action() 143 adc->vref = devm_regulator_get(dev, "vref"); in max1241_probe() 144 if (IS_ERR(adc->vref)) in max1241_probe() 145 return dev_err_probe(dev, PTR_ERR(adc->vref), in max1241_probe() 146 "failed to get vref regulator\n"); in max1241_probe() 148 ret = regulator_enable(adc->vref); in max1241_probe() 154 dev_err(dev, "could not set up vref regulator cleanup action\n"); in max1241_probe()
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H A D | lpc18xx_adc.c | 42 struct regulator *vref; member 104 *val = regulator_get_voltage(adc->vref) / 1000; in lpc18xx_adc_read_raw() 124 static void lpc18xx_regulator_disable(void *vref) in lpc18xx_regulator_disable() argument 126 regulator_disable(vref); in lpc18xx_regulator_disable() 154 adc->vref = devm_regulator_get(&pdev->dev, "vref"); in lpc18xx_adc_probe() 155 if (IS_ERR(adc->vref)) in lpc18xx_adc_probe() 156 return dev_err_probe(&pdev->dev, PTR_ERR(adc->vref), in lpc18xx_adc_probe() 165 ret = regulator_enable(adc->vref); in lpc18xx_adc_probe() 171 ret = devm_add_action_or_reset(&pdev->dev, lpc18xx_regulator_disable, adc->vref); in lpc18xx_adc_probe()
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H A D | max11205.c | 34 struct regulator *vref; member 53 reg_mv = regulator_get_voltage(st->vref); in max11205_read_raw() 127 st->vref = devm_regulator_get(&spi->dev, "vref"); in max11205_probe() 128 if (IS_ERR(st->vref)) in max11205_probe() 129 return dev_err_probe(&spi->dev, PTR_ERR(st->vref), in max11205_probe() 130 "Failed to get vref regulator\n"); in max11205_probe() 132 ret = regulator_enable(st->vref); in max11205_probe() 136 ret = devm_add_action_or_reset(&spi->dev, max11205_reg_disable, st->vref); in max11205_probe()
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H A D | ad7949.c | 70 * @vref: regulator generating Vref 82 struct regulator *vref; member 239 ret = regulator_get_voltage(ad7949_adc->vref); in ad7949_spi_read_raw() 368 ad7949_adc->vref = devm_regulator_get_optional(dev, "vrefin"); in ad7949_spi_probe() 369 if (IS_ERR(ad7949_adc->vref)) { in ad7949_spi_probe() 370 ret = PTR_ERR(ad7949_adc->vref); in ad7949_spi_probe() 374 ad7949_adc->vref = devm_regulator_get_optional(dev, "vref"); in ad7949_spi_probe() 375 if (IS_ERR(ad7949_adc->vref)) { in ad7949_spi_probe() 376 ret = PTR_ERR(ad7949_adc->vref); in ad7949_spi_probe() 387 ret = regulator_enable(ad7949_adc->vref); in ad7949_spi_probe() [all …]
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H A D | ad7091r-base.c | 104 if (st->vref) { in ad7091r_read_raw() 105 ret = regulator_get_voltage(st->vref); in ad7091r_read_raw() 293 regulator_disable(st->vref); in ad7091r_remove() 345 st->vref = devm_regulator_get_optional(dev, "vref"); in ad7091r_probe() 346 if (IS_ERR(st->vref)) { in ad7091r_probe() 347 if (PTR_ERR(st->vref) == -EPROBE_DEFER) in ad7091r_probe() 350 st->vref = NULL; in ad7091r_probe() 351 /* Enable internal vref */ in ad7091r_probe() 358 ret = regulator_enable(st->vref); in ad7091r_probe()
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H A D | fsl-imx25-gcq.c | 42 struct regulator *vref[4]; member 181 if (priv->vref[refp]) in mx25_gcq_ext_regulator_setup() 184 ret = snprintf(reg_name, sizeof(reg_name), "vref-%s", in mx25_gcq_ext_regulator_setup() 189 priv->vref[refp] = devm_regulator_get_optional(dev, reg_name); in mx25_gcq_ext_regulator_setup() 190 if (IS_ERR(priv->vref[refp])) in mx25_gcq_ext_regulator_setup() 191 return dev_err_probe(dev, PTR_ERR(priv->vref[refp]), in mx25_gcq_ext_regulator_setup() 242 regulator_get_voltage(priv->vref[refp]); in mx25_gcq_setup_cfgs() 328 if (!priv->vref[i]) in mx25_gcq_probe() 331 ret = regulator_enable(priv->vref[i]); in mx25_gcq_probe() 336 priv->vref[i]); in mx25_gcq_probe()
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H A D | rockchip_saradc.c | 73 struct regulator *vref; member 352 regulator_disable(info->vref); in rockchip_saradc_regulator_disable() 413 regulator_unregister_notifier(info->vref, &info->nb); in rockchip_saradc_regulator_unreg_notifier() 475 info->vref = devm_regulator_get(&pdev->dev, "vref"); in rockchip_saradc_probe() 476 if (IS_ERR(info->vref)) in rockchip_saradc_probe() 477 return dev_err_probe(&pdev->dev, PTR_ERR(info->vref), in rockchip_saradc_probe() 492 ret = regulator_enable(info->vref); in rockchip_saradc_probe() 495 "failed to enable vref regulator\n"); in rockchip_saradc_probe() 503 ret = regulator_get_voltage(info->vref); in rockchip_saradc_probe() 534 ret = regulator_register_notifier(info->vref, &info->nb); in rockchip_saradc_probe() [all …]
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/linux/Documentation/devicetree/bindings/iio/dac/ |
H A D | microchip,mcp4725.yaml | 24 For the mcp4726 it will be used as the reference voltage if vref-supply 27 vref-supply: 29 Vref pin is used as a voltage reference when this supply is specified. 31 microchip,vref-buffered: 34 Enable buffering of the external Vref pin. This boolean is not valid 35 without the vref-supply. Quoting the datasheet: This is offered in 48 vref-supply: false 62 - vref-supply 67 - vref-supply 70 microchip,vref-buffered: false
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H A D | lltc,ltc2632.yaml | 44 vref-supply: 47 only be set if there is an external reference voltage connected to the VREF 58 vref: regulator-vref { 60 regulator-name = "vref-ltc2632"; 74 vref-supply = <&vref>;
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H A D | adi,ad5064.yaml | 96 vref-supply: true 104 - # Shared external vref, no internal reference 123 vref-supply: true 129 - vref-supply 130 - # Shared external vref, internal reference available 183 vref-supply: true 206 vref-supply: false 227 vref-supply: false 242 vref-supply = <&dac_vref>;
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H A D | dpot-dac.yaml | 15 divided voltage is provided by a vref regulator. 19 | vref |--' .---. 34 vref-supply: 50 - vref-supply 60 vref-supply = <®_3v3>;
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H A D | adi,ad5449.yaml | 30 VREF-supply: true 50 VREF-supply: true 54 - VREF-supply 65 VREF-supply: false 82 VREF-supply = <&dac_ref>;
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H A D | st,stm32-dac.yaml | 39 vref-supply: 40 description: Phandle to the vref input analog reference voltage. 59 - vref-supply 97 vref-supply = <&vref>;
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/linux/Documentation/devicetree/bindings/sound/ |
H A D | nuvoton,nau8325.yaml | 22 nuvoton,vref-impedance-ohms: 24 The vref impedance to be used in ohms. Middle of voltage enables 25 Tie-Off selection options. Due to the high impedance of the VREF 30 nuvoton,dac-vref-microvolt: 32 The DAC vref to be used in voltage. DAC reference voltage setting. Can 75 nuvoton,vref-impedance-ohms = <125000>; 76 nuvoton,dac-vref-microvolt = <2880000>;
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/linux/Documentation/devicetree/bindings/iio/adc/ |
H A D | adi,ad7476.yaml | 56 datasheets. If there is no separate vref-supply, then this is needed 63 vref-supply: 102 # Devices with a vref 115 vref-supply: true 118 vref-supply: false 119 # Devices with a vref where it is not optional 131 - vref-supply 172 vref-supply = <&adc_vref>;
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H A D | ti,adc12138.yaml | 34 vref-p-supply: 37 vref-n-supply: 40 (Note that this must not go below GND or exceed vref-p) 61 - vref-p-supply 81 vref-p-supply = <&ldo4_reg>;
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H A D | adi,ad7192.yaml | 72 vref-supply: 73 description: VRef voltage supply 161 - vref-supply 214 vref-supply = <&vref>; 245 vref-supply = <&vref>;
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/linux/drivers/input/touchscreen/ |
H A D | ads7846.c | 179 #define ADS_PD10_REF_ON (2 << 0) /* vREF on + penirq */ 180 #define ADS_PD10_ALL_ON (3 << 0) /* ADC + vREF on */ 185 #define READ_12BIT_DFR(x, adc, vref) (ADS_START | ADS_A2A1A0_d_ ## x \ argument 187 (adc ? ADS_PD10_ADC_ON : 0) | (vref ? ADS_PD10_REF_ON : 0)) 189 #define READ_Y(vref) (READ_12BIT_DFR(y, 1, vref)) argument 190 #define READ_Z1(vref) (READ_12BIT_DFR(z1, 1, vref)) argument 191 #define READ_Z2(vref) (READ_12BIT_DFR(z2, 1, vref)) argument 192 #define READ_X(vref) (READ_12BIT_DFR(x, 1, vref)) argument 196 * we leave both ADC and VREF powered 204 /* Order commands in the most optimal way to reduce Vref switching and [all …]
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/linux/drivers/iio/dac/ |
H A D | ti-dac7311.c | 39 * @vref: regulator generating Vref 49 struct regulator *vref; member 179 ret = regulator_get_voltage(ti_dac->vref); in ti_dac_read_raw() 270 ti_dac->vref = devm_regulator_get(dev, "vref"); in ti_dac_probe() 271 if (IS_ERR(ti_dac->vref)) in ti_dac_probe() 272 return dev_err_probe(dev, PTR_ERR(ti_dac->vref), in ti_dac_probe() 275 ret = regulator_enable(ti_dac->vref); in ti_dac_probe() 293 regulator_disable(ti_dac->vref); in ti_dac_probe() 304 regulator_disable(ti_dac->vref); in ti_dac_remove()
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H A D | ti-dac082s085.c | 40 * @vref: regulator generating Vref 51 struct regulator *vref; member 200 ret = regulator_get_voltage(ti_dac->vref); in ti_dac_read_raw() 288 ti_dac->vref = devm_regulator_get(dev, "vref"); in ti_dac_probe() 289 if (IS_ERR(ti_dac->vref)) in ti_dac_probe() 290 return PTR_ERR(ti_dac->vref); in ti_dac_probe() 292 ret = regulator_enable(ti_dac->vref); in ti_dac_probe() 312 regulator_disable(ti_dac->vref); in ti_dac_probe() 323 regulator_disable(ti_dac->vref); in ti_dac_remove()
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H A D | ad3552r-common.c | 53 s64 vref, tmp, common, offset, gn, gp; in ad3552r_get_custom_range() local 60 vref = 2500; in ad3552r_get_custom_range() 68 *v_max = vref + tmp; in ad3552r_get_custom_range() 73 *v_min = vref - tmp; in ad3552r_get_custom_range() 117 voltage = devm_regulator_get_enable_read_voltage(dev, "vref"); in ad3552r_get_ref_voltage() 120 "Error getting vref voltage\n"); in ad3552r_get_ref_voltage() 123 if (device_property_read_bool(dev, "adi,vref-out-en")) in ad3552r_get_ref_voltage() 132 dev_warn(dev, "vref-supply must be 2.5V"); in ad3552r_get_ref_voltage()
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/linux/Documentation/devicetree/bindings/input/touchscreen/ |
H A D | ti,ads7843.yaml | 62 ti,keep-vref-on: 65 Set to keep Vref on for differential measurements as well. 105 ti,vref-delay-usecs: 108 Vref supply delay in usecs, 0 for external Vref. 110 ti,vref-mv: 113 The VREF voltage, in millivolts.
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/linux/sound/soc/codecs/ |
H A D | inno_rk3036.c | 128 SND_SOC_DAPM_SUPPLY_S("DACL VREF", 2, INNO_R04, 130 SND_SOC_DAPM_SUPPLY_S("DACR VREF", 2, INNO_R04, 132 SND_SOC_DAPM_SUPPLY_S("DACL HiLo VREF", 3, INNO_R06, 134 SND_SOC_DAPM_SUPPLY_S("DACR HiLo VREF", 3, INNO_R06, 170 {"DACL VREF", NULL, "DAC PWR"}, 171 {"DACR VREF", NULL, "DAC PWR"}, 172 {"DACL HiLo VREF", NULL, "DAC PWR"}, 173 {"DACR HiLo VREF", NULL, "DAC PWR"}, 177 {"DACL", NULL, "DACL VREF"}, 178 {"DACL", NULL, "DACL HiLo VREF"}, [all …]
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/linux/drivers/hwmon/ |
H A D | adc128d818.c | 61 int vref; /* Reference voltage in mV */ member 157 val = DIV_ROUND_CLOSEST(data->in[index][nr] * data->vref, 4095); in adc128_in_show() 409 /* If external vref is selected, configure the chip to use it */ in adc128_init_client() 435 int err, vref; in adc128_probe() local 441 /* vref is optional. If specified, is used as chip reference voltage */ in adc128_probe() 442 vref = devm_regulator_get_enable_read_voltage(dev, "vref"); in adc128_probe() 443 if (vref == -ENODEV) { in adc128_probe() 445 data->vref = 2560; /* 2.56V, in mV */ in adc128_probe() 446 } else if (vref < 0) { in adc128_probe() 447 return vref; in adc128_probe() [all …]
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