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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/iio/adc/
H A Dti,adc12138.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments ADC12138 and similar self-calibrating ADCs
10 - Akinobu Mita <akinobu.mita@gmail.com>
19 - ti,adc12130
20 - ti,adc12132
21 - ti,adc12138
34 spi-max-frequency: true
36 vref-p-supply:
[all …]
/OK3568_Linux_fs/kernel/drivers/iio/adc/
H A Dti-tlc4541.c1 // SPDX-License-Identifier: GPL-2.0-only
91 static irqreturn_t tlc4541_trigger_handler(int irq, void *p) in tlc4541_trigger_handler() argument
93 struct iio_poll_func *pf = p; in tlc4541_trigger_handler()
94 struct iio_dev *indio_dev = pf->indio_dev; in tlc4541_trigger_handler()
98 ret = spi_sync(st->spi, &st->scan_single_msg); in tlc4541_trigger_handler()
102 iio_push_to_buffers_with_timestamp(indio_dev, st->rx_buf, in tlc4541_trigger_handler()
106 iio_trigger_notify_done(indio_dev->trig); in tlc4541_trigger_handler()
112 int vref; in tlc4541_get_range() local
114 vref = regulator_get_voltage(st->reg); in tlc4541_get_range()
115 if (vref < 0) in tlc4541_get_range()
[all …]
H A Dad7923.c1 // SPDX-License-Identifier: GPL-2.0-only
46 #define EXTRACT(val, dec, bits) (((val) >> (dec)) & ((1 << (bits)) - 1))
96 .shift = 12 - (bits), \
171 for_each_set_bit(i, active_scan_mask, indio_dev->num_channels - 1) { in ad7923_update_scan_mode()
174 st->settings; in ad7923_update_scan_mode()
176 st->tx_buf[len++] = cpu_to_be16(cmd); in ad7923_update_scan_mode()
179 st->ring_xfer[0].tx_buf = &st->tx_buf[0]; in ad7923_update_scan_mode()
180 st->ring_xfer[0].len = len; in ad7923_update_scan_mode()
181 st->ring_xfer[0].cs_change = 1; in ad7923_update_scan_mode()
183 spi_message_init(&st->ring_msg); in ad7923_update_scan_mode()
[all …]
H A Dad7298.c1 // SPDX-License-Identifier: GPL-2.0-only
30 #define AD7298_CH(x) BIT(13 - (x)) /* channel select */
83 .scan_index = -1,
113 scan_count = bitmap_weight(active_scan_mask, indio_dev->masklength); in ad7298_update_scan_mode()
115 command = AD7298_WRITE | st->ext_ref; in ad7298_update_scan_mode()
121 st->tx_buf[0] = cpu_to_be16(command); in ad7298_update_scan_mode()
124 st->ring_xfer[0].tx_buf = &st->tx_buf[0]; in ad7298_update_scan_mode()
125 st->ring_xfer[0].len = 2; in ad7298_update_scan_mode()
126 st->ring_xfer[0].cs_change = 1; in ad7298_update_scan_mode()
127 st->ring_xfer[1].tx_buf = &st->tx_buf[1]; in ad7298_update_scan_mode()
[all …]
H A Dti-ads8688.c1 // SPDX-License-Identifier: GPL-2.0-only
44 * enum ads8688_range - ADS8688 reference voltage range
45 * @ADS8688_PLUSMINUS25VREF: Device is configured for input range ±2.5 * VREF
46 * @ADS8688_PLUSMINUS125VREF: Device is configured for input range ±1.25 * VREF
47 * @ADS8688_PLUSMINUS0625VREF: Device is configured for input range ±0.625 * VREF
48 * @ADS8688_PLUS25VREF: Device is configured for input range 0 - 2.5 * VREF
49 * @ADS8688_PLUS125VREF: Device is configured for input range 0 - 1.25 * VREF
93 .offset = -(1 << (ADS8688_REALBITS - 1)),
98 .offset = -(1 << (ADS8688_REALBITS - 1)),
103 .offset = -(1 << (ADS8688_REALBITS - 1)),
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H A Dti-ads7950.c1 // SPDX-License-Identifier: GPL-2.0
12 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
36 * Device tree users encode that via the vref-supply regulator.
54 (((val) >> (dec)) & ((1 << (bits)) - 1))
61 (TI_ADS7950_MAN_CMD(TI_ADS7950_CR_WRITE | st->cmd_settings_bitmask))
64 (TI_ADS7950_GPIO_CMD(st->gpio_cmd_settings_bitmask))
84 * [0-3] GPIO signal
87 * [6] Sets Vref range1(2.5v) or range2(5v)
95 * [0-3] GPIO direction
96 * [4-6] Different GPIO alarm mode configurations
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H A Dad7768-1.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices AD7768-1 SPI ADC driver
156 struct regulator *vref; member
184 shift = 32 - (8 * len); in ad7768_spi_reg_read()
185 st->data.d8[0] = AD7768_RD_FLAG_MSK(addr); in ad7768_spi_reg_read()
187 ret = spi_write_then_read(st->spi, st->data.d8, 1, in ad7768_spi_reg_read()
188 &st->data.d32, len); in ad7768_spi_reg_read()
192 return (be32_to_cpu(st->data.d32) >> shift); in ad7768_spi_reg_read()
199 st->data.d8[0] = AD7768_WR_FLAG_MSK(addr); in ad7768_spi_reg_write()
200 st->data.d8[1] = val & 0xFF; in ad7768_spi_reg_write()
[all …]
H A Drockchip_saradc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
70 struct regulator *vref; member
93 writel_relaxed(8, info->regs + SARADC_DLY_PU_SOC); in rockchip_saradc_start_v1()
96 SARADC_CTRL_IRQ_ENABLE, info->regs + SARADC_CTRL); in rockchip_saradc_start_v1()
107 if (info->reset) in rockchip_saradc_start_v2()
108 rockchip_saradc_reset_controller(info->reset); in rockchip_saradc_start_v2()
110 writel_relaxed(0xc, info->regs + SARADC_T_DAS_SOC); in rockchip_saradc_start_v2()
111 writel_relaxed(0x20, info->regs + SARADC_T_PD_SOC); in rockchip_saradc_start_v2()
113 writel_relaxed(val, info->regs + SARADC2_END_INT_EN); in rockchip_saradc_start_v2()
115 writel(val << 16 | val, info->regs + SARADC2_CONV_CON); in rockchip_saradc_start_v2()
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H A Dad799x.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2010-2011 Michael Hennerich, Analog Devices Inc.
7 * Copyright (C) 2008-2010 Jonathan Cameron
10 * Copyright (C) 2002-2004 Stefan Eletzhofer
100 * struct ad799x_chip_config - chip specific information
112 * struct ad799x_chip_info - chip specific information
127 struct regulator *vref; member
137 switch (st->id) { in ad799x_write_config()
140 return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG, in ad799x_write_config()
145 return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG, in ad799x_write_config()
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H A Dti-adc108s102.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2013-2015 Intel Corporation.
29 * In case of ACPI, we use the hard-wired 5000 mV of the Galileo and IOT2000
31 * via the vref-supply regulator.
38 * chips. The ADC108S102 effectively returns a 12-bit result with the 2
39 * least-significant bits unset.
45 * 16-bit SPI command format:
47 * [13:11] 3-bit channel address
53 * 16-bit SPI response format:
55 * [11:0] 12-bit ADC sample (for ADC108S102, [1:0] will always be 0).
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H A Dad7766.c1 // SPDX-License-Identifier: GPL-2.0-or-later
67 static irqreturn_t ad7766_trigger_handler(int irq, void *p) in ad7766_trigger_handler() argument
69 struct iio_poll_func *pf = p; in ad7766_trigger_handler()
70 struct iio_dev *indio_dev = pf->indio_dev; in ad7766_trigger_handler()
74 ret = spi_sync(ad7766->spi, &ad7766->msg); in ad7766_trigger_handler()
78 iio_push_to_buffers_with_timestamp(indio_dev, ad7766->data, in ad7766_trigger_handler()
79 pf->timestamp); in ad7766_trigger_handler()
81 iio_trigger_notify_done(indio_dev->trig); in ad7766_trigger_handler()
91 ret = regulator_bulk_enable(ARRAY_SIZE(ad7766->reg), ad7766->reg); in ad7766_preenable()
93 dev_err(&ad7766->spi->dev, "Failed to enable supplies: %d\n", in ad7766_preenable()
[all …]
H A Dmax1118.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * MAX1117/MAX1118/MAX1119 8-bit, dual-channel ADCs driver
7 * Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX1117-MAX1119.pdf
13 * ------ --------- -----------
14 * nCS --> CNVST
15 * SCK --> SCLK
16 * MISO <-- DOUT
17 * ------ --------- -----------
99 .rx_buf = &adc->data, in max1118_read()
113 return adc->data; in max1118_read()
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H A Dmax1363.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2008-2010 Jonathan Cameron
7 * Copyright (C) 2002-2004 Stefan Eletzhofer
52 /* think about including max11600 etc - more settings */
59 /* max1363 only - though don't care on others.
80 /* max123{6-9} only */
83 /* max1363 only - merely part of channel selects or don't care for others */
88 /* max1363 strictly 0x06 - but doesn't matter */
95 * struct max1363_mode - scan mode information
123 * struct max1363_chip_info - chip specifc information
[all …]
H A Dti-adc12138.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADC12130/ADC12132/ADC12138 12-bit plus sign ADC driver
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()
171 u8 mode = (ch_to_mux[channel->channel] << 4) | in __adc12138_start_conv()
172 (channel->differential ? 0 : 0x80); in __adc12138_start_conv()
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H A Dat91-sama5d2_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/dma-mapping.h>
98 /* Interrupt Enable Register - TS X measurement ready */
100 /* Interrupt Enable Register - TS Y measurement ready */
102 /* Interrupt Enable Register - TS pressure measurement ready */
104 /* Interrupt Enable Register - Data ready */
106 /* Interrupt Enable Register - general overrun error */
108 /* Interrupt Enable Register - Pen detect */
110 /* Interrupt Enable Register - No pen detect */
118 /* Interrupt Status Register - Pen touching sense status */
[all …]
H A Dti-adc081c.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TI ADC081C/ADC101C/ADC121C 8/10/12-bit ADC driver
14 * bits handled. For the 8-bit and 10-bit models the least-significant 4 or 2
55 err = i2c_smbus_read_word_swapped(adc->i2c, REG_CONV_RES); in adc081c_read_raw()
59 *value = (err & 0xFFF) >> (12 - adc->bits); in adc081c_read_raw()
63 err = regulator_get_voltage(adc->ref); in adc081c_read_raw()
68 *shift = adc->bits; in adc081c_read_raw()
76 return -EINVAL; in adc081c_read_raw()
87 .shift = 12 - (_bits), \
132 static irqreturn_t adc081c_trigger_handler(int irq, void *p) in adc081c_trigger_handler() argument
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/OK3568_Linux_fs/kernel/drivers/iio/dac/
H A Ddpot-dac.c1 // SPDX-License-Identifier: GPL-2.0
13 * divided voltage is provided by a vref regulator.
15 * .------.
16 * .-----------. | |
17 * | vref |--' .---.
18 * | regulator |--. | |
19 * '-----------' | | d |
20 * | | p |
22 * | | t |<---------+
24 * | '---' dac output voltage
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/iio/dac/
H A Ddpot-dac.txt5 divided voltage is provided by a vref regulator.
7 .------.
8 .-----------. | |
9 | vref |--' .---.
10 | regulator |--. | |
11 '-----------' | | d |
12 | | p |
14 | | t |<---------+
16 | '---' dac output voltage
18 '------+------------+
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/OK3568_Linux_fs/kernel/drivers/input/touchscreen/
H A Dads7846.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * - corgi_ts.c
11 * Copyright (C) 2004-2005 Richard Purdie
12 * - omap_ts.[hc], ads7846.h, ts_osk.c
42 * Support for ads7843 tested on Atmel at91sam926x-EK.
56 * note. The strength of filtering can be set in the board-* specific
70 * with msbs zeroed). Instead, we read them as two 8-bit values,
83 * driver is used with DMA-based SPI controllers (like atmel_spi) on
84 * systems where main memory is not DMA-coherent (most non-x86 boards).
90 /* for ads7845 with mpc5121 psc spi we use 3-byte buffers */
[all …]
/OK3568_Linux_fs/kernel/drivers/hwmon/
H A Dsmm665.c1 // SPDX-License-Identifier: GPL-2.0-only
22 #include <linux/hwmon-sysfs.h>
26 /* Internal reference voltage (VREF, x 1000 */
30 static int vref = SMM665_VREF_ADC_X1000; variable
31 module_param(vref, int, 0);
32 MODULE_PARM_DESC(vref, "Reference voltage in mV");
111 * vref = Reference voltage on VREF_ADC pin (module parameter)
115 /* Voltage A-F and VDD */
116 #define SMM665_VMON_ADC_TO_VOLTS(adc) ((adc) * vref / 256)
119 #define SMM665_12VIN_ADC_TO_VOLTS(adc) ((adc) * vref * 3 / 256)
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/OK3568_Linux_fs/u-boot/drivers/ram/rockchip/
H A Ddmc_fsp.c1 // SPDX-License-Identifier: GPL-2.0+
125 /* lp4 vref info when odt enable */
129 /* lp4 vref info when odt disable */
138 "ddr3a1_ddr4a9_de-skew",
139 "ddr3a0_ddr4a10_de-skew",
140 "ddr3a3_ddr4a6_de-skew",
141 "ddr3a2_ddr4a4_de-skew",
142 "ddr3a5_ddr4a8_de-skew",
143 "ddr3a4_ddr4a5_de-skew",
144 "ddr3a7_ddr4a11_de-skew",
[all …]
/OK3568_Linux_fs/u-boot/arch/arm/dts/
H A Dstm32mp157a-dk1-u-boot.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/clock/stm32mp1-clksrc.h>
7 #include "stm32mp157-u-boot.dtsi"
8 #include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi"
17 u-boot,boot-led = "heartbeat";
18 u-boot,error-led = "error";
25 default-state = "off";
30 default-state = "on";
36 pinctrl-names = "default";
37 pinctrl-0 = <&adc12_usb_pwr_pins_a>;
[all …]
/OK3568_Linux_fs/u-boot/drivers/ddr/marvell/a38x/
H A Dddr3_training_static.c4 * SPDX-License-Identifier: GPL-2.0
16 u32 g_zpri_data = 123; /* controller data - P drive strength */
17 u32 g_znri_data = 123; /* controller data - N drive strength */
18 u32 g_zpri_ctrl = 74; /* controller C/A - P drive strength */
19 u32 g_znri_ctrl = 74; /* controller C/A - N drive strength */
20 u32 g_zpodt_data = 45; /* controller data - P ODT */
21 u32 g_znodt_data = 45; /* controller data - N ODT */
22 u32 g_zpodt_ctrl = 45; /* controller data - P ODT */
23 u32 g_znodt_ctrl = 45; /* controller data - N ODT */
81 static_config_info->board_trace_arr; in ddr3_tip_init_static_config_db()
[all …]
/OK3568_Linux_fs/kernel/sound/soc/codecs/
H A Drt298.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt298.c -- RT298 ALSA SoC audio codec driver
23 #include <sound/soc-dapm.h>
200 snd_soc_component_write(component, rt298->index_cache[i].reg, in rt298_index_sync()
201 rt298->index_cache[i].def); in rt298_index_sync()
227 if (!rt298->component) in rt298_jack_detect()
228 return -EINVAL; in rt298_jack_detect()
230 dapm = snd_soc_component_get_dapm(rt298->component); in rt298_jack_detect()
232 if (rt298->pdata.cbj_en) { in rt298_jack_detect()
233 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf); in rt298_jack_detect()
[all …]
/OK3568_Linux_fs/kernel/sound/pci/hda/
H A Dhda_codec.c1 // SPDX-License-Identifier: GPL-2.0-or-later
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
41 struct hda_bus *bus = codec->bus; in codec_exec_verb()
45 return -1; in codec_exec_verb()
49 mutex_lock(&bus->core.cmd_mutex); in codec_exec_verb()
51 bus->no_response_fallback = 1; in codec_exec_verb()
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