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/Linux-v5.15/drivers/iio/adc/
Dpalmas_gpadc.c3 * palmas-adc.c -- TI PALMAS GPADC.
146 static int palmas_disable_auto_conversion(struct palmas_gpadc *adc) in palmas_disable_auto_conversion() argument
150 ret = palmas_update_bits(adc->palmas, PALMAS_GPADC_BASE, in palmas_disable_auto_conversion()
155 dev_err(adc->dev, "GPADC_CTRL1 update failed: %d\n", ret); in palmas_disable_auto_conversion()
159 ret = palmas_update_bits(adc->palmas, PALMAS_GPADC_BASE, in palmas_disable_auto_conversion()
165 dev_err(adc->dev, "AUTO_CTRL update failed: %d\n", ret); in palmas_disable_auto_conversion()
171 ret = palmas_update_bits(adc->palmas, PALMAS_GPADC_BASE, in palmas_disable_auto_conversion()
175 dev_err(adc->dev, "GPADC_CTRL1 update failed: %d\n", ret); in palmas_disable_auto_conversion()
182 struct palmas_gpadc *adc = data; in palmas_gpadc_irq() local
184 complete(&adc->conv_completion); in palmas_gpadc_irq()
[all …]
Dstm32-adc.c3 * This file is part of STM32 ADC driver
29 #include "stm32-adc-core.h"
34 /* BOOST bit must be set on STM32H7 when ADC clock is above 20MHz */
81 * struct stm32_adc_trig_info - ADC trigger info
91 * struct stm32_adc_calib - optional adc calibration data
105 * struct stm32_adc_regs - stm32 ADC misc registers & bitfield desc
158 * @smp_cycles: programmable sampling time (ADC clock cycles)
175 * struct stm32_adc - private data of each ADC IIO instance
176 * @common: reference to ADC block common data
177 * @offset: ADC instance register offset in ADC block
[all …]
Dmcp3911.c57 static int mcp3911_read(struct mcp3911 *adc, u8 reg, u32 *val, u8 len) in mcp3911_read() argument
61 reg = MCP3911_REG_READ(reg, adc->dev_addr); in mcp3911_read()
62 ret = spi_write_then_read(adc->spi, &reg, 1, val, len); in mcp3911_read()
68 dev_dbg(&adc->spi->dev, "reading 0x%x from register 0x%x\n", *val, in mcp3911_read()
73 static int mcp3911_write(struct mcp3911 *adc, u8 reg, u32 val, u8 len) in mcp3911_write() argument
75 dev_dbg(&adc->spi->dev, "writing 0x%x to register 0x%x\n", val, reg); in mcp3911_write()
79 val |= MCP3911_REG_WRITE(reg, adc->dev_addr); in mcp3911_write()
81 return spi_write(adc->spi, &val, len + 1); in mcp3911_write()
84 static int mcp3911_update(struct mcp3911 *adc, u8 reg, u32 mask, in mcp3911_update() argument
90 ret = mcp3911_read(adc, reg, &tmp, len); in mcp3911_update()
[all …]
Dti-adc12138.c3 * ADC12130/ADC12132/ADC12138 12-bit plus sign ADC driver
51 * Maximum size needed: 16x 2 bytes ADC data + 8 bytes timestamp.
127 static int adc12138_mode_programming(struct adc12138 *adc, u8 mode, in adc12138_mode_programming() argument
131 .tx_buf = adc->tx_buf, in adc12138_mode_programming()
132 .rx_buf = adc->rx_buf, in adc12138_mode_programming()
138 if (adc->id != adc12138) in adc12138_mode_programming()
141 adc->tx_buf[0] = mode; in adc12138_mode_programming()
143 ret = spi_sync_transfer(adc->spi, &xfer, 1); in adc12138_mode_programming()
147 memcpy(rx_buf, adc->rx_buf, len); in adc12138_mode_programming()
152 static int adc12138_read_status(struct adc12138 *adc) in adc12138_read_status() argument
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Drzg2l_adc.c23 #define DRIVER_NAME "rzg2l-adc"
92 static unsigned int rzg2l_adc_readl(struct rzg2l_adc *adc, u32 reg) in rzg2l_adc_readl() argument
94 return readl(adc->base + reg); in rzg2l_adc_readl()
97 static void rzg2l_adc_writel(struct rzg2l_adc *adc, unsigned int reg, u32 val) in rzg2l_adc_writel() argument
99 writel(val, adc->base + reg); in rzg2l_adc_writel()
102 static void rzg2l_adc_pwr(struct rzg2l_adc *adc, bool on) in rzg2l_adc_pwr() argument
106 reg = rzg2l_adc_readl(adc, RZG2L_ADM(0)); in rzg2l_adc_pwr()
111 rzg2l_adc_writel(adc, RZG2L_ADM(0), reg); in rzg2l_adc_pwr()
115 static void rzg2l_adc_start_stop(struct rzg2l_adc *adc, bool start) in rzg2l_adc_start_stop() argument
120 reg = rzg2l_adc_readl(adc, RZG2L_ADM(0)); in rzg2l_adc_start_stop()
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Dstm32-dfsdm-adc.c3 * This file is the ADC part of the STM32 DFSDM driver
11 #include <linux/iio/adc/stm32-dfsdm-adc.h>
77 /* ADC specific */
315 struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); in stm32_dfsdm_compute_all_osrs() local
316 struct stm32_dfsdm_filter *fl = &adc->dfsdm->fl_list[adc->fl_id]; in stm32_dfsdm_compute_all_osrs()
336 struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); in stm32_dfsdm_start_channel() local
337 struct regmap *regmap = adc->dfsdm->regmap; in stm32_dfsdm_start_channel()
342 for_each_set_bit(bit, &adc->smask, sizeof(adc->smask) * BITS_PER_BYTE) { in stm32_dfsdm_start_channel()
356 struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); in stm32_dfsdm_stop_channel() local
357 struct regmap *regmap = adc->dfsdm->regmap; in stm32_dfsdm_stop_channel()
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DKconfig3 # ADC drivers
25 tristate "Analog Devices AD7091R5 ADC Driver"
29 Say yes here to build support for Analog Devices AD7091R-5 ADC.
37 SPI analog to digital converters (ADC).
43 tristate "Analog Devices AD7190 AD7192 AD7193 AD7195 ADC driver"
48 AD7192, AD7193 or AD7195 SPI analog to digital converters (ADC).
55 tristate "Analog Devices AD7265/AD7266 ADC driver"
68 tristate "Analog Devices AD7291 ADC driver"
72 8 Channel ADC with temperature sensor.
78 tristate "Analog Devices AD7292 ADC driver"
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Dingenic-adc.c3 * ADC driver for the Ingenic JZ47xx SoCs
6 * based on drivers/mfd/jz4740-adc.c
9 #include <dt-bindings/iio/adc/ingenic,adc.h>
100 int (*init_clk_div)(struct device *dev, struct ingenic_adc *adc);
114 struct ingenic_adc *adc = iio_priv(iio_dev); in ingenic_adc_set_adcmd() local
116 mutex_lock(&adc->lock); in ingenic_adc_set_adcmd()
119 readl(adc->base + JZ_ADC_REG_ADCMD); in ingenic_adc_set_adcmd()
126 adc->base + JZ_ADC_REG_ADCMD); in ingenic_adc_set_adcmd()
132 adc->base + JZ_ADC_REG_ADCMD); in ingenic_adc_set_adcmd()
140 adc->base + JZ_ADC_REG_ADCMD); in ingenic_adc_set_adcmd()
[all …]
Dlpc18xx_adc.c3 * IIO ADC driver for NXP LPC18xx ADC
27 /* LPC18XX ADC registers and bits */
70 static int lpc18xx_adc_read_chan(struct lpc18xx_adc *adc, unsigned int ch) in lpc18xx_adc_read_chan() argument
75 reg = adc->cr_reg | BIT(ch) | LPC18XX_ADC_CR_START_NOW; in lpc18xx_adc_read_chan()
76 writel(reg, adc->base + LPC18XX_ADC_CR); in lpc18xx_adc_read_chan()
78 ret = readl_poll_timeout(adc->base + LPC18XX_ADC_GDR, reg, in lpc18xx_adc_read_chan()
81 dev_warn(adc->dev, "adc read timed out\n"); in lpc18xx_adc_read_chan()
92 struct lpc18xx_adc *adc = iio_priv(indio_dev); in lpc18xx_adc_read_raw() local
96 mutex_lock(&adc->lock); in lpc18xx_adc_read_raw()
97 *val = lpc18xx_adc_read_chan(adc, chan->channel); in lpc18xx_adc_read_raw()
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Dmax1241.c3 * MAX1241 low-power, 12-bit serial ADC
42 static int max1241_read(struct max1241 *adc) in max1241_read() argument
58 .rx_buf = &adc->data, in max1241_read()
63 return spi_sync_transfer(adc->spi, xfers, ARRAY_SIZE(xfers)); in max1241_read()
71 struct max1241 *adc = iio_priv(indio_dev); in max1241_read_raw() local
75 mutex_lock(&adc->lock); in max1241_read_raw()
77 if (adc->shutdown) { in max1241_read_raw()
78 gpiod_set_value(adc->shutdown, 0); in max1241_read_raw()
80 ret = max1241_read(adc); in max1241_read_raw()
81 gpiod_set_value(adc->shutdown, 1); in max1241_read_raw()
[all …]
Dqcom-spmi-adc5.c10 #include <linux/iio/adc/qcom-vadc-common.h>
104 * struct adc5_channel_prop - ADC channel property.
113 * @avg_samples: ability to provide single result from the ADC
133 * struct adc5_chip - ADC private structure.
136 * @base: base address for the ADC peripheral.
137 * @nchannels: number of ADC channels.
138 * @chan_props: array of ADC channel properties.
141 * @complete: ADC result notification after interrupt is received.
142 * @lock: ADC lock for access to the peripheral.
158 static int adc5_read(struct adc5_chip *adc, u16 offset, u8 *data, int len) in adc5_read() argument
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Dti-adc084s021.c5 * Driver for Texas Instruments' ADC084S021 ADC chip.
68 * adc084s021_adc_conversion() - Read an ADC channel and return its value.
70 * @adc: The ADC SPI data.
73 static int adc084s021_adc_conversion(struct adc084s021 *adc, __be16 *data) in adc084s021_adc_conversion() argument
75 int n_words = (adc->spi_trans.len >> 1) - 1; /* Discard first word */ in adc084s021_adc_conversion()
79 ret = spi_sync(adc->spi, &adc->message); in adc084s021_adc_conversion()
84 *(data + i) = adc->rx_buf[i + 1]; in adc084s021_adc_conversion()
93 struct adc084s021 *adc = iio_priv(indio_dev); in adc084s021_read_raw() local
103 ret = regulator_enable(adc->reg); in adc084s021_read_raw()
109 adc->tx_buf[0] = channel->channel << 3; in adc084s021_read_raw()
[all …]
Dti-adc0832.c3 * ADC0831/ADC0832/ADC0834/ADC0838 8-bit ADC driver
33 * Max size needed: 16x 1 byte ADC data + 8 bytes timestamp
120 static int adc0831_adc_conversion(struct adc0832 *adc) in adc0831_adc_conversion() argument
122 struct spi_device *spi = adc->spi; in adc0831_adc_conversion()
125 ret = spi_read(spi, &adc->rx_buf, 2); in adc0831_adc_conversion()
132 return (adc->rx_buf[0] << 2 & 0xff) | (adc->rx_buf[1] >> 6); in adc0831_adc_conversion()
135 static int adc0832_adc_conversion(struct adc0832 *adc, int channel, in adc0832_adc_conversion() argument
138 struct spi_device *spi = adc->spi; in adc0832_adc_conversion()
140 .tx_buf = adc->tx_buf, in adc0832_adc_conversion()
141 .rx_buf = adc->rx_buf, in adc0832_adc_conversion()
[all …]
Dmxs-lradc-adc.c3 * Freescale MXS LRADC ADC driver
134 struct mxs_lradc_adc *adc = iio_priv(iio_dev); in mxs_lradc_adc_read_single() local
135 struct mxs_lradc *lradc = adc->lradc; in mxs_lradc_adc_read_single()
148 reinit_completion(&adc->completion); in mxs_lradc_adc_read_single()
157 adc->base + LRADC_CTRL1 + STMP_OFFSET_REG_CLR); in mxs_lradc_adc_read_single()
158 writel(0x1, adc->base + LRADC_CTRL0 + STMP_OFFSET_REG_CLR); in mxs_lradc_adc_read_single()
161 if (test_bit(chan, &adc->is_divided)) in mxs_lradc_adc_read_single()
163 adc->base + LRADC_CTRL2 + STMP_OFFSET_REG_SET); in mxs_lradc_adc_read_single()
166 adc->base + LRADC_CTRL2 + STMP_OFFSET_REG_CLR); in mxs_lradc_adc_read_single()
170 adc->base + LRADC_CTRL4 + STMP_OFFSET_REG_CLR); in mxs_lradc_adc_read_single()
[all …]
Dmcp320x.c8 * Driver for following ADC chips from Microchip Technology's:
72 * struct mcp320x - Microchip SPI ADC instance
74 * @msg: SPI message to select a channel and receive a value from the ADC
80 * @chip_info: ADC properties
120 static int mcp320x_adc_conversion(struct mcp320x *adc, u8 channel, in mcp320x_adc_conversion() argument
125 if (adc->chip_info->conv_time) { in mcp320x_adc_conversion()
126 ret = spi_sync(adc->spi, &adc->start_conv_msg); in mcp320x_adc_conversion()
130 usleep_range(adc->chip_info->conv_time, in mcp320x_adc_conversion()
131 adc->chip_info->conv_time + 100); in mcp320x_adc_conversion()
134 memset(&adc->rx_buf, 0, sizeof(adc->rx_buf)); in mcp320x_adc_conversion()
[all …]
Dti-ads8344.c3 * ADS8344 16-bit 8-Channel ADC driver
26 * Lock protecting access to adc->tx_buff and rx_buff,
76 static int ads8344_adc_conversion(struct ads8344 *adc, int channel, in ads8344_adc_conversion() argument
79 struct spi_device *spi = adc->spi; in ads8344_adc_conversion()
82 adc->tx_buf = ADS8344_START; in ads8344_adc_conversion()
84 adc->tx_buf |= ADS8344_SINGLE_END; in ads8344_adc_conversion()
85 adc->tx_buf |= ADS8344_CHANNEL(channel); in ads8344_adc_conversion()
86 adc->tx_buf |= ADS8344_CLOCK_INTERNAL; in ads8344_adc_conversion()
88 ret = spi_write(spi, &adc->tx_buf, 1); in ads8344_adc_conversion()
94 ret = spi_read(spi, adc->rx_buf, sizeof(adc->rx_buf)); in ads8344_adc_conversion()
[all …]
Drn5t618-adc.c3 * ADC driver for the RICOH RN5T618 power management chip family
88 struct rn5t618_adc_data *adc = data; in rn5t618_adc_irq() local
93 regmap_write(adc->rn5t618->regmap, RN5T618_IR_ADC1, 0); in rn5t618_adc_irq()
94 regmap_write(adc->rn5t618->regmap, RN5T618_IR_ADC2, 0); in rn5t618_adc_irq()
96 ret = regmap_read(adc->rn5t618->regmap, RN5T618_IR_ADC3, &r); in rn5t618_adc_irq()
98 dev_err(adc->dev, "failed to read IRQ status: %d\n", ret); in rn5t618_adc_irq()
100 regmap_write(adc->rn5t618->regmap, RN5T618_IR_ADC3, 0); in rn5t618_adc_irq()
103 complete(&adc->conv_completion); in rn5t618_adc_irq()
112 struct rn5t618_adc_data *adc = iio_priv(iio_dev); in rn5t618_adc_read() local
125 ret = regmap_update_bits(adc->rn5t618->regmap, RN5T618_ADCCNT3, in rn5t618_adc_read()
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Dqcom-pm8xxx-xoadc.c7 * specific-purpose and general purpose ADC converters and channels.
13 #include <linux/iio/adc/qcom-vadc-common.h>
27 * Qualcomm tree. Their kernel has two out-of-tree drivers for the ADC:
29 * drivers/hwmon/pm8xxx-adc.c
57 /* Proper ADC registers */
99 * On a later ADC the decimation factors are defined as
167 * ADC code to the value that IIO expects, in uV or millicelsius
307 * include/linux/mfd/pm8xxx/pm8xxx-adc.h
369 * struct pm8xxx_chan_info - ADC channel information
417 struct pm8xxx_xoadc *adc = iio_priv(indio_dev); in pm8xxx_eoc_irq() local
[all …]
/Linux-v5.15/arch/arm/mach-s3c/
Dadc.c7 // Samsung ADC device core
22 #include "regs-adc.h"
23 #include <linux/soc/samsung/s3c-adc.h>
25 /* This driver is designed to control the usage of the ADC block between
83 static inline void s3c_adc_convert(struct adc_device *adc) in s3c_adc_convert() argument
85 unsigned con = readl(adc->regs + S3C2410_ADCCON); in s3c_adc_convert()
88 writel(con, adc->regs + S3C2410_ADCCON); in s3c_adc_convert()
91 static inline void s3c_adc_select(struct adc_device *adc, in s3c_adc_select() argument
94 unsigned con = readl(adc->regs + S3C2410_ADCCON); in s3c_adc_select()
95 enum s3c_cpu_type cpu = platform_get_device_id(adc->pdev)->driver_data; in s3c_adc_select()
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/Linux-v5.15/drivers/mfd/
Dpcf50633-adc.c2 /* NXP PCF50633 ADC Driver
11 * NOTE: This driver does not yet support subtractive ADC mode, which means
23 #include <linux/mfd/pcf50633/adc.h>
62 /* start ADC conversion on selected channel */ in adc_setup()
69 struct pcf50633_adc *adc = __to_adc(pcf); in trigger_next_adc_job_if_any() local
72 head = adc->queue_head; in trigger_next_adc_job_if_any()
74 if (!adc->queue[head]) in trigger_next_adc_job_if_any()
77 adc_setup(pcf, adc->queue[head]->mux, adc->queue[head]->avg); in trigger_next_adc_job_if_any()
83 struct pcf50633_adc *adc = __to_adc(pcf); in adc_enqueue_request() local
86 mutex_lock(&adc->queue_mutex); in adc_enqueue_request()
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/Linux-v5.15/Documentation/devicetree/bindings/iio/adc/
Dst,stm32-adc.yaml4 $id: "http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#"
7 title: STMicroelectronics STM32 ADC bindings
10 STM32 ADC is a successive approximation analog-to-digital converter.
12 in single, continuous, scan or discontinuous mode. Result of the ADC is
19 Each STM32 ADC block can have up to 3 ADC instances.
27 - st,stm32f4-adc-core
28 - st,stm32h7-adc-core
29 - st,stm32mp1-adc-core
36 One or more interrupts for ADC block, depending on part used:
37 - stm32f4 and stm32h7 share a common ADC interrupt line.
[all …]
Datmel,sama9260-adc.yaml4 $id: http://devicetree.org/schemas/iio/adc/atmel,sama9260-adc.yaml#
7 title: AT91 sama9260 and similar Analog to Digital Converter (ADC)
15 - atmel,at91sam9260-adc
16 - atmel,at91sam9rl-adc
17 - atmel,at91sam9g45-adc
18 - atmel,at91sam9x5-adc
19 - atmel,at91sama5d3-adc
36 atmel,adc-channels-used:
40 atmel,adc-startup-time:
43 Startup Time of the ADC in microseconds as defined in the datasheet
[all …]
Dsamsung,exynos-adc.yaml4 $id: http://devicetree.org/schemas/iio/adc/samsung,exynos-adc.yaml#
7 title: Samsung Exynos Analog to Digital Converter (ADC)
15 - samsung,exynos-adc-v1 # Exynos5250
16 - samsung,exynos-adc-v2
17 - samsung,exynos3250-adc
18 - samsung,exynos4212-adc # Exynos4212 and Exynos4412
19 - samsung,exynos7-adc
20 - samsung,s3c2410-adc
21 - samsung,s3c2416-adc
22 - samsung,s3c2440-adc
[all …]
Dqcom,pm8018-adc.yaml4 $id: http://devicetree.org/schemas/iio/adc/qcom,pm8018-adc.yaml#
13 The Qualcomm PM8xxx PMICs contain a HK/XO ADC (Housekeeping/Crystal
14 oscillator ADC) encompassing PM8018, PM8038, PM8058 and PM8921.
19 - qcom,pm8018-adc
20 - qcom,pm8038-adc
21 - qcom,pm8058-adc
22 - qcom,pm8921-adc
27 ADC base address in the PMIC, typically 0x197.
62 - adc-channel@c
63 - adc-channel@d
[all …]
/Linux-v5.15/drivers/hwmon/
Dadcxx.c11 * ADC<bb><c>S<sss>, where
18 * http://www.national.com/ds/DC/ADC<bb><c>S<sss>.pdf
52 struct adcxx *adc = spi_get_drvdata(spi); in adcxx_show() local
58 if (mutex_lock_interruptible(&adc->lock)) in adcxx_show()
61 if (adc->channels == 1) { in adcxx_show()
77 value = value * adc->reference >> 12; in adcxx_show()
80 mutex_unlock(&adc->lock); in adcxx_show()
95 struct adcxx *adc = spi_get_drvdata(spi); in adcxx_max_show() local
98 if (mutex_lock_interruptible(&adc->lock)) in adcxx_max_show()
101 reference = adc->reference; in adcxx_max_show()
[all …]

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