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/Linux-v5.4/Documentation/devicetree/bindings/iio/adc/
Dadi,ad7780.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
13 The ad7780 is a sigma-delta analog to digital converter. This driver provides
20 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7170.pdf
22 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7171.pdf
24 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7780.pdf
26 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7781.pdf
31 - adi,ad7170
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Dadi,ad7606.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Beniamin Bia <beniamin.bia@analog.com>
11 - Stefan Popa <stefan.popa@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7606B.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7616.pdf
22 - adi,ad7605-4
23 - adi,ad7606-8
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Dadi,ad7192.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Michael Hennerich <michael.hennerich@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7192.pdf
21 - adi,ad7190
22 - adi,ad7192
23 - adi,ad7193
24 - adi,ad7195
29 spi-cpol: true
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Dadi,ad7124.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Stefan Popa <stefan.popa@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf
21 - adi,ad7124-4
22 - adi,ad7124-8
32 clock-names:
34 - const: mclk
40 '#address-cells':
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/Linux-v5.4/Documentation/devicetree/bindings/sound/
Dadi,adau1977.txt4 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
5 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
6 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
11 - compatible: Should contain one of the following:
16 - AVDD-supply: analog power supply for the device, please consult
20 - reset-gpios: the reset pin for the chip, for more details consult
23 - DVDD-supply: supply voltage for the digital core, please consult
26 - adi,micbias: configures the voltage setting for the MICBIAS pin.
33 Documentation/devicetree/bindings/spi/spi-bus.txt
37 - reg: The i2c address. Value depends on the state of ADDR0
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/Linux-v5.4/Documentation/devicetree/bindings/iio/impedance-analyzer/
Dad5933.txt3 https://www.analog.com/media/en/technical-documentation/data-sheets/AD5933.pdf
4 https://www.analog.com/media/en/technical-documentation/data-sheets/AD5934.pdf
7 - compatible : should be one of
10 - reg : the I2C address.
11 - vdd-supply : The regulator supply for DVDD, AVDD1 and AVDD2 when they
15 - clocks : external clock reference.
16 - clock-names : must be "mclk" if clocks is set.
20 impedance-analyzer@0d {
23 vdd-supply = <&vdd_supply>;
25 clock-names = "mclk";
/Linux-v5.4/Documentation/devicetree/bindings/iio/frequency/
Dadf4371.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Popa Stefan <stefan.popa@analog.com>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/adf4371.pdf
15 https://www.analog.com/media/en/technical-documentation/data-sheets/adf4372.pdf
20 - adi,adf4371
21 - adi,adf4372
28 Definition of the external clock (see clock/clock-bindings.txt)
31 clock-names:
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/Linux-v5.4/arch/mips/include/asm/
Dmc146818-time.h26 * MC146818A or Dallas DS12887 data sheet for details.
57 if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) in mc146818_set_rtc_mmss()
61 if (abs(real_minutes - cmos_minutes) < 30) { in mc146818_set_rtc_mmss()
72 retval = -1; in mc146818_set_rtc_mmss()
79 * the Dallas Semiconductor data sheets, but who believes data in mc146818_set_rtc_mmss()
80 * sheets anyway ... -- Markus Kuhn in mc146818_set_rtc_mmss()
/Linux-v5.4/arch/mips/dec/
Dtime.c1 // SPDX-License-Identifier: GPL-2.0
6 * This file contains the time handling details for PC-style clocks as
15 #include <asm/cpu-features.h>
55 year += real_year - 72 + 2000; in read_persistent_clock64()
57 ts->tv_sec = mktime64(year, mon, day, hour, min, sec); in read_persistent_clock64()
58 ts->tv_nsec = 0; in read_persistent_clock64()
66 * DS1287 data sheet for details.
96 if (((abs(real_minutes - cmos_minutes) + 15) / 30) & 1) in update_persistent_clock64()
100 if (abs(real_minutes - cmos_minutes) < 30) { in update_persistent_clock64()
111 retval = -1; in update_persistent_clock64()
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/Linux-v5.4/arch/powerpc/platforms/chrp/
Dtime.c1 // SPDX-License-Identifier: GPL-2.0
51 rtcs = of_find_compatible_node(NULL, "rtc", "ds1385-rtc"); in chrp_time_init()
86 * Set the hardware clock. -- Cort
122 * the Dallas Semiconductor data sheets, but who believes data in chrp_set_rtc_time()
123 * sheets anyway ... -- Markus Kuhn in chrp_set_rtc_time()
155 tm->tm_sec = sec; in chrp_get_rtc_time()
156 tm->tm_min = min; in chrp_get_rtc_time()
157 tm->tm_hour = hour; in chrp_get_rtc_time()
158 tm->tm_mday = day; in chrp_get_rtc_time()
159 tm->tm_mon = mon; in chrp_get_rtc_time()
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/Linux-v5.4/drivers/staging/comedi/drivers/ni_routing/tools/
Dconvert_csv_to_c.py2 # SPDX-License-Identifier: GPL-2.0+
6 # the device-global NI signal/terminal constants defined in comedi.h
32 D0 = D # (src-> dest->reg_value)
76 # data is src -> dest-list
81 # data is dest -> src-list
89 # Sort by order of device-global names (numerically)
118 MKFILE_SEGMENTS = 'device-route.mk'
125 // SPDX-License-Identifier: GPL-2.0+
131 * COMEDI - Linux Control and Measurement Device Interface
157 /* SPDX-License-Identifier: GPL-2.0+ */
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/Linux-v5.4/arch/powerpc/platforms/maple/
Dtime.c1 // SPDX-License-Identifier: GPL-2.0-or-later
55 tm->tm_sec = maple_clock_read(RTC_SECONDS); in maple_get_rtc_time()
56 tm->tm_min = maple_clock_read(RTC_MINUTES); in maple_get_rtc_time()
57 tm->tm_hour = maple_clock_read(RTC_HOURS); in maple_get_rtc_time()
58 tm->tm_mday = maple_clock_read(RTC_DAY_OF_MONTH); in maple_get_rtc_time()
59 tm->tm_mon = maple_clock_read(RTC_MONTH); in maple_get_rtc_time()
60 tm->tm_year = maple_clock_read(RTC_YEAR); in maple_get_rtc_time()
61 } while (tm->tm_sec != maple_clock_read(RTC_SECONDS)); in maple_get_rtc_time()
65 tm->tm_sec = bcd2bin(tm->tm_sec); in maple_get_rtc_time()
66 tm->tm_min = bcd2bin(tm->tm_min); in maple_get_rtc_time()
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/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-class-power-twl40307 "auto" - draw power as appropriate for detected
9 "off" - do not draw any power.
11 - activate mode described as "linear" in
12 TWL data sheets. This uses whatever
18 be taken that battery is not over-charged.
26 "auto" - draw power as appropriate for detected
28 "off" - do not draw any power.
/Linux-v5.4/Documentation/w1/masters/
Dmxc-w1.rst11 - http://www.freescale.com/files/32bit/doc/data_sheet/MCIMX31.pdf?fpsp=1
12 …- http://cache.freescale.com/files/dsp/doc/archive/MCIMX27.pdf?fsrch=1&WT_TYPE=Data%20Sheets&WT_VE…
/Linux-v5.4/Documentation/devicetree/bindings/clock/
Dsilabs,si544.txt7 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
9 https://www.silabs.com/documents/public/data-sheets/si544-datasheet.pdf
12 - compatible: One of "silabs,si514a", "silabs,si514b" "silabs,si514c" according
14 - reg: I2C device address.
15 - #clock-cells: From common clock bindings: Shall be 0.
18 - clock-output-names: From common clock bindings. Recommended to be "si544".
21 si544: clock-controller@55 {
23 #clock-cells = <0>;
Dsilabs,si570.txt6 found in the data sheets[2][3].
8 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
9 [2] Si570/571 Data Sheet
11 [3] Si598/599 Data Sheet
12 http://www.silabs.com/Support%20Documents/TechnicalDocs/si598-99.pdf
15 - compatible: Shall be one of "silabs,si570", "silabs,si571",
17 - reg: I2C device address.
18 - #clock-cells: From common clock bindings: Shall be 0.
19 - factory-fout: Factory set default frequency. This frequency is part specific.
22 details, please refer to the data sheet.
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/Linux-v5.4/Documentation/devicetree/bindings/iio/imu/
Dadi,adis16460.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dragos Bogdan <dragos.bogdan@analog.com>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADIS16460.pdf
19 - adi,adis16460
24 spi-cpha: true
26 spi-cpol: true
32 - compatible
33 - reg
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/Linux-v5.4/drivers/gpu/drm/via/
Dvia_irq.c65 * Device-specific IRQs go here. This type might need to be extended with
81 static int via_irqmap_pro_group_a[] = {0, 1, -1, 2, -1, 3};
90 static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1};
95 drm_via_private_t *dev_priv = dev->dev_private; in via_get_vblank_counter()
100 return atomic_read(&dev_priv->vbl_received); in via_get_vblank_counter()
106 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; in via_driver_irq_handler()
110 drm_via_irq_t *cur_irq = dev_priv->via_irqs; in via_driver_irq_handler()
115 atomic_inc(&dev_priv->vbl_received); in via_driver_irq_handler()
116 if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) { in via_driver_irq_handler()
118 if (dev_priv->last_vblank_valid) { in via_driver_irq_handler()
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/Linux-v5.4/Documentation/hwmon/
Dadm1275.rst10 Addresses scanned: -
12 Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf
18 Addresses scanned: -
20 Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1272.pdf
26 Addresses scanned: -
28 Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf
34 Addresses scanned: -
36 Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf
42 Addresses scanned: -
44 Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1278.pdf
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/Linux-v5.4/drivers/iio/humidity/
Dsi7020.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * si7020.c - Silicon Labs Si7013/20/21 Relative Humidity and Temp Sensors
14 * Data Sheets:
46 chan->type == IIO_TEMP ? in si7020_read_raw()
53 * Humidity values can slightly exceed the 0-100%RH in si7020_read_raw()
56 if (chan->type == IIO_HUMIDITYRELATIVE) in si7020_read_raw()
60 if (chan->type == IIO_TEMP) in si7020_read_raw()
76 if (chan->type == IIO_TEMP) in si7020_read_raw()
77 *val = -4368; /* = -46.85 * (65536 >> 2) / 175.72 */ in si7020_read_raw()
79 *val = -786; /* = -6 * (65536 >> 2) / 125 */ in si7020_read_raw()
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/Linux-v5.4/Documentation/i2c/busses/
Di2c-ali15x3.rst2 Kernel driver i2c-ali15x3
12 - Frodo Looijaard <frodol@dds.nl>,
13 - Philip Edelbrock <phil@netroedge.com>,
14 - Mark D. Studebaker <mdsxyz123@yahoo.com>
17 -----------------
24 -----
33 modprobe i2c-ali15x3 force_addr=0xe800
40 -----------
57 - Asus P5A
58 - Atrend ATC-5220
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/Linux-v5.4/drivers/iio/potentiometer/
Dad5272.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/AD5272_5274.pdf
62 static int ad5272_write(struct ad5272_data *data, int reg, int val) in ad5272_write() argument
66 data->buf[0] = (reg << 2) | ((val >> 8) & 0x3); in ad5272_write()
67 data->buf[1] = (u8)val; in ad5272_write()
69 mutex_lock(&data->lock); in ad5272_write()
70 ret = i2c_master_send(data->client, data->buf, sizeof(data->buf)); in ad5272_write()
71 mutex_unlock(&data->lock); in ad5272_write()
75 static int ad5272_read(struct ad5272_data *data, int reg, int *val) in ad5272_read() argument
79 data->buf[0] = reg << 2; in ad5272_read()
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/Linux-v5.4/drivers/media/rc/
Dfintek-cir.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7 * Special thanks to Fintek for providing hardware and spec sheets.
16 #define FINTEK_DRIVER_NAME "fintek-cir"
64 /* Config register index/data port pair */
122 * Data Port
170 #define CIR_CR_COMMAND_DATA 0x06 /* Host read or write command data */
171 #define CIR_CR_CLASS 0x07 /* 0xff = rx-only, 0x66 = rx + 2 tx,
176 #define CIR_CR_IRQ_SEL 0x70 /* bits3-0 store CIR IRQ */
211 * 7 - CIR_IRQ_EN (1 = enable CIR IRQ, 0 = disable)
212 * 3 - TX_FINISH (1 when TX finished, write 1 to clear)
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/Linux-v5.4/drivers/iio/accel/
Dadxl345_core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADXL345 3-Axis Digital Accelerometer IIO core driver
7 * Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL345.pdf
39 #define ADXL345_DATA_FORMAT_FULL_RES BIT(3) /* Up to 13-bits resolution */
48 * In full-resolution mode, scale factor is maintained at ~4 mg/LSB
51 * At +/- 16g with 13-bit resolution, scale is computed as:
52 * (16 + 16) * 9.81 / (2^13 - 1) = 0.0383
89 struct adxl345_data *data = iio_priv(indio_dev); in adxl345_read_raw() local
98 * Data is stored in adjacent registers: in adxl345_read_raw()
102 ret = regmap_bulk_read(data->regmap, in adxl345_read_raw()
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/Linux-v5.4/include/uapi/linux/
Dfdreg.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
34 #define STATUS_DMA 0x20 /* 0- DMA mode */
35 #define STATUS_DIR 0x40 /* 0- cpu->fdc */
36 #define STATUS_READY 0x80 /* Data reg ready */
49 #define ST1_ND 0x04 /* No Data - unreadable */
51 #define ST1_CRC 0x20 /* CRC error in data or addr */
60 #define ST2_CRC 0x20 /* CRC error in data field */
65 #define ST3_DS 0x08 /* drive is double-sided */
92 * which use the FDRAWCMD interface. For doc, get the 82078 spec sheets at
98 * 2 Mbps data transfer rate for tape
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