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Searched full:dpot (Results 1 – 10 of 10) sorted by relevance

/linux/drivers/misc/
H A Dad525x_dpot.c96 static inline int dpot_read_d8(struct dpot_data *dpot) in dpot_read_d8() argument
98 return dpot->bdata.bops->read_d8(dpot->bdata.client); in dpot_read_d8()
101 static inline int dpot_read_r8d8(struct dpot_data *dpot, u8 reg) in dpot_read_r8d8() argument
103 return dpot->bdata.bops->read_r8d8(dpot->bdata.client, reg); in dpot_read_r8d8()
106 static inline int dpot_read_r8d16(struct dpot_data *dpot, u8 reg) in dpot_read_r8d16() argument
108 return dpot->bdata.bops->read_r8d16(dpot->bdata.client, reg); in dpot_read_r8d16()
111 static inline int dpot_write_d8(struct dpot_data *dpot, u argument
116 dpot_write_r8d8(struct dpot_data * dpot,u8 reg,u16 val) dpot_write_r8d8() argument
121 dpot_write_r8d16(struct dpot_data * dpot,u8 reg,u16 val) dpot_write_r8d16() argument
126 dpot_read_spi(struct dpot_data * dpot,u8 reg) dpot_read_spi() argument
177 dpot_read_i2c(struct dpot_data * dpot,u8 reg) dpot_read_i2c() argument
231 dpot_read(struct dpot_data * dpot,u8 reg) dpot_read() argument
239 dpot_write_spi(struct dpot_data * dpot,u8 reg,u16 value) dpot_write_spi() argument
328 dpot_write_i2c(struct dpot_data * dpot,u8 reg,u16 value) dpot_write_i2c() argument
403 dpot_write(struct dpot_data * dpot,u8 reg,u16 value) dpot_write() argument
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/linux/drivers/iio/dac/
H A Ddpot-dac.c11 * It is assumed that the dpot is used as a voltage divider between the
12 * current dpot wiper setting and the maximum resistance of the dpot. The
39 struct iio_channel *dpot; member
62 return iio_read_channel_raw(dac->dpot, val); in dpot_dac_read_raw()
65 ret = iio_read_channel_scale(dac->dpot, val, val2); in dpot_dac_read_raw()
105 return iio_read_avail_channel_raw(dac->dpot, vals, length); in dpot_dac_read_avail()
119 return iio_write_channel_raw(dac->dpot, val); in dpot_dac_write_raw()
141 ret = iio_read_max_channel_raw(dac->dpot, &max); in dpot_dac_channel_max_ohms()
143 dev_err(dev, "dpot doe in dpot_dac_channel_max_ohms()
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H A DMakefile40 obj-$(CONFIG_DPOT_DAC) += dpot-dac.o
H A DKconfig385 tristate "DAC emulation using a DPOT"
391 called dpot-dac.
/linux/Documentation/devicetree/bindings/iio/dac/
H A Ddpot-dac.yaml4 $id: http://devicetree.org/schemas/iio/dac/dpot-dac.yaml#
13 It is assumed that the dpot is used as a voltage divider between the
14 current dpot wiper setting and the maximum resistance of the dpot. The
32 const: dpot-dac
40 Channel node of the dpot to be used for the voltage division.
43 const: dpot
59 compatible = "dpot-dac";
61 io-channels = <&dpot 0>;
62 io-channel-names = "dpot";
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/linux/Documentation/devicetree/bindings/iio/adc/
H A Denvelope-detector.yaml62 dpot: dpot@28 {
70 compatible = "dpot-dac";
72 io-channels = <&dpot 0>;
73 io-channel-names = "dpot";
/linux/arch/arm/boot/dts/microchip/
H A Dat91-tse850-3.dts61 dac: dpot-dac {
62 compatible = "dpot-dac";
64 io-channels = <&dpot 0>;
65 io-channel-names = "dpot";
207 dpot: mcp4651-104@28 { label
/linux/Documentation/devicetree/bindings/iio/potentiometer/
H A Dmicrochip,mcp4531.yaml110 dpot: dpot@28 {
/linux/Documentation/misc-devices/
H A Dad525x_dpot.rst16 Each dpot device will have a set of eeprom, rdac, and tolerance files. How
/linux/
H A DMAINTAINERS11860 F: Documentation/ABI/testing/sysfs-bus-iio-dac-dpot-dac
11861 F: Documentation/devicetree/bindings/iio/dac/dpot-dac.yaml
11862 F: drivers/iio/dac/dpot-dac.c