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/openbmc/linux/include/linux/platform_data/
H A Dad7793.h54 * enum ad7793_current_source_direction - AD7793 excitation current direction
72 * enum ad7793_excitation_current - AD7793 excitation current selection
73 * @AD7793_IX_DISABLED: Excitation current Disabled.
74 * @AD7793_IX_10uA: Enable 10 micro-ampere excitation current.
75 * @AD7793_IX_210uA: Enable 210 micro-ampere excitation current.
76 * @AD7793_IX_1mA: Enable 1 milli-Ampere excitation current.
95 * @exitation_current: Excitation current selection
96 * @current_source_direction: Excitation current direction selection
/openbmc/linux/Documentation/devicetree/bindings/iio/cdc/
H A Dadi,ad7746.yaml28 adi,excitation-vdd-permille:
30 Set VDD per mille to be used as the excitation voltage.
35 description: Enables the EXCA pin as the excitation output.
40 Inverts the excitation output in the EXCA pin.
47 description: Enables the EXCB pin as the excitation output.
51 description: Inverts the excitation output in the EXCB pin.
69 adi,excitation-vdd-permille = <125>;
/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad4130.yaml143 adi,excitation-pin-0:
145 Analog input to apply excitation current to while the channel
152 adi,excitation-pin-1:
154 Analog input to apply excitation current to while this channel
161 adi,excitation-current-0-nanoamp:
163 Excitation current in nanoamps to be applied to pin specified in
164 adi,excitation-pin-0 while this channel is active.
168 adi,excitation-current-1-nanoamp:
170 Excitation current in nanoamps to be applied to pin specified in
171 adi,excitation-pin-1 while this channel is active.
/openbmc/linux/Documentation/devicetree/bindings/iio/temperature/
H A Dadi,ltc2983.yaml64 excitation values.
177 adi,excitation-current-microamp:
179 Magnitude of the 1l excitation current applied to the diode.
180 4l excitation current will be 4 times this value, and 8l
181 excitation current will be 8 times value.
235 adi,excitation-current-microamp:
236 description: Excitation current applied to the RTD.
276 Whether to enable excitation current rotation to automatically
328 Whether to enable excitation current rotation to automatically
332 adi,excitation-current-nanoamp:
[all …]
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-ad71926 excitation mode found on some converters. In ac excitation mode,
7 the polarity of the excitation voltage is reversed on
H A Dsysfs-bus-iio-impedance-analyzer-ad593332 Number of output excitation cycles (settling time cycles)
/openbmc/linux/Documentation/devicetree/bindings/iio/afe/
H A Dtemperature-sense-rtd.yaml59 excitation-current-microamp:
86 - excitation-current-microamp
97 excitation-current-microamp = <1000>; /* i = U/R = 5 / 5000 */
/openbmc/linux/Documentation/devicetree/bindings/iio/addac/
H A Dadi,ad74115.yaml206 adi,3-wire-rtd-excitation-swap:
208 description: Whether to swap the excitation for 3-wire RTD.
210 adi,rtd-excitation-current-microamp:
211 description: Excitation current to apply to RTD.
/openbmc/linux/drivers/iio/adc/
H A Dad7793.c114 /* IO (Excitation Current Sources) Register Bit Designations (AD7793_REG_IO) */
124 #define AD7793_IO_IXCEN_10uA (1 << 0) /* Excitation Current 10uA */
125 #define AD7793_IO_IXCEN_210uA (2 << 0) /* Excitation Current 210uA */
126 #define AD7793_IO_IXCEN_1mA (3 << 0) /* Excitation Current 1mA */
H A Dad4130.c1432 fwnode_property_read_u32(child, "adi,excitation-current-0-nanoamp", &tmp); in ad4130_parse_fw_setup()
1436 "Invalid excitation current %unA\n", tmp); in ad4130_parse_fw_setup()
1440 fwnode_property_read_u32(child, "adi,excitation-current-1-nanoamp", &tmp); in ad4130_parse_fw_setup()
1444 "Invalid excitation current %unA\n", tmp); in ad4130_parse_fw_setup()
1519 "Invalid excitation pin %u\n", pin); in ad4130_validate_excitation_pin()
1607 fwnode_property_read_u32(child, "adi,excitation-pin-0", in ad4130_parse_fw_channel()
1615 fwnode_property_read_u32(child, "adi,excitation-pin-1", in ad4130_parse_fw_channel()
H A Dad7192.c95 #define AD7192_CONF_ACX BIT(22) /* AC excitation enable(AD7195 only) */
/openbmc/linux/drivers/iio/temperature/
H A Dltc2983.c869 ret = fwnode_property_read_u32(child, "adi,excitation-current-microamp", in ltc2983_rtd_new()
902 "Invalid value for excitation current(%u)", in ltc2983_rtd_new()
990 ret = fwnode_property_read_u32(child, "adi,excitation-current-nanoamp", in ltc2983_thermistor_new()
1048 "Invalid value for excitation current(%u)", in ltc2983_thermistor_new()
1095 ret = fwnode_property_read_u32(child, "adi,excitation-current-microamp", in ltc2983_diode_new()
1113 "Invalid value for excitation current(%u)", in ltc2983_diode_new()
/openbmc/linux/drivers/iio/afe/
H A Diio-rescale.c419 ret = device_property_read_u32(dev, "excitation-current-microamp", in rescale_temp_sense_rtd_props()
422 dev_err(dev, "failed to read excitation-current-microamp: %d\n", in rescale_temp_sense_rtd_props()
/openbmc/linux/drivers/iio/cdc/
H A Dad7746.c62 /* Excitation Setup Register Bit Designations (AD7746_REG_EXC_SETUP) */
762 ret = device_property_read_u32(dev, "adi,excitation-vdd-permille", in ad7746_probe()
/openbmc/linux/Documentation/devicetree/bindings/input/
H A Diqs269a.yaml172 Specifies the inductive sensing excitation frequency as follows (paren-
H A Diqs626a.yaml394 Specifies the inductive sensing excitation frequency as follows
/openbmc/linux/drivers/staging/iio/resolver/
H A Dad2s1210.c261 "ad2s1210: excitation frequency out of range\n"); in ad2s1210_store_fexcit()
/openbmc/linux/drivers/iio/addac/
H A Dad74115.c1455 AD74115_FW_PROP_BOOL("adi,3-wire-rtd-excitation-swap",
1457 AD74115_FW_PROP_TBL("adi,rtd-excitation-current-microamp",
/openbmc/linux/drivers/comedi/drivers/
H A Djr3_pci.h40 * channels. Channel 0 shows the excitation voltage at the sensor. It
/openbmc/linux/drivers/input/misc/
H A Diqs626a.c1180 "Invalid %s channel excitation frequency: %u\n", in iqs626_parse_channel()
H A Diqs269a.c904 "Invalid excitation frequency: %u\n", val); in iqs269_parse_prop()