| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/iio/adc/ |
| D | ti-adc12138.txt | 4 - compatible: Should be one of
8 - reg: SPI chip select number for the device
9 - interrupts: Should contain interrupt for EOC (end of conversion)
10 - clocks: phandle to conversion clock input
11 - spi-max-frequency: Definision as per
12 Documentation/devicetree/bindings/spi/spi-bus.txt
13 - vref-p-supply: The regulator supply for positive analog voltage reference
16 - vref-n-supply: The regulator supply for negative analog voltage reference
17 (Note that this must not go below GND or exceed vref-p)
19 - ti,acquisition-time: The number of conversion clock periods for the S/H's
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| D | vf610-adc.txt | 7 - compatible: Should contain "fsl,vf610-adc"
8 - reg: Offset and length of the register set for the device
9 - interrupts: Should contain the interrupt for the device
10 - clocks: The clock is needed by the ADC controller, ADC clock source is ipg clock.
11 - clock-names: Must contain "adc", matching entry in the clocks property.
12 - vref-supply: The regulator supply ADC reference voltage.
15 - fsl,adck-max-frequency: Maximum frequencies according to datasheets operating
17 - Frequency in normal mode (ADLPC=0, ADHSC=0)
18 - Frequency in high-speed mode (ADLPC=0, ADHSC=1)
19 - Frequency in low-power mode (ADLPC=1, ADHSC=0)
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| D | st,stm32-adc.txt | 3 STM32 ADC is a successive approximation analog-to-digital converter.
6 stored in a left-aligned or right-aligned 32-bit data register.
10 voltage goes beyond the user-defined, higher or lower thresholds.
16 - regular conversion can be done in sequence, running in background
17 - injected conversions have higher priority, and so have the ability to
22 -----------------------------------
24 - compatible: Should be one of:
25 "st,stm32f4-adc-core"
26 "st,stm32h7-adc-core"
27 "st,stm32mp1-adc-core"
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/input/touchscreen/ |
| D | ads7846.txt | 7 Documentation/devicetree/bindings/spi/spi-bus.txt
23 vcc-supply A regulator node for the supply voltage.
28 ti,vref-delay-usecs vref supply delay in usecs, 0 for
29 external vref (u16).
30 ti,vref-mv The VREF voltage, in millivolts (u16).
33 ti,keep-vref-on set to keep vref on for differential
35 ti,swap-xy swap x and y axis
36 ti,settle-delay-usec Settling time of the analog signals;
38 on the X/Y drivers. If set to non-zero,
42 ti,penirq-recheck-delay-usecs If set to non-zero, after samples are
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/iio/adc/ |
| D | ti,adc12138.yaml | 1 # 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:
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| D | fsl,vf610-adc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/fsl,vf610-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Fugang Duan <fugang.duan@nxp.com>
17 const: fsl,vf610-adc
26 description: ADC source clock (ipg clock)
29 clock-names:
32 vref-supply:
35 fsl,adck-max-frequency:
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| D | st,stm32-adc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
10 STM32 ADC is a successive approximation analog-to-digital converter.
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@st.com>
27 - st,stm32f4-adc-core
28 - st,stm32h7-adc-core
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/touchscreen/ |
| D | ads7846.txt | 7 Documentation/devicetree/bindings/spi/spi-bus.txt
23 vcc-supply A regulator node for the supply voltage.
28 ti,vref-delay-usecs vref supply delay in usecs, 0 for
29 external vref (u16).
30 ti,vref-mv The VREF voltage, in millivolts (u16).
33 ti,keep-vref-on set to keep vref on for differential
35 ti,settle-delay-usec Settling time of the analog signals;
37 on the X/Y drivers. If set to non-zero,
41 ti,penirq-recheck-delay-usecs If set to non-zero, after samples are
47 ti,x-plate-ohms Resistance of the X-plate,
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | tlv320adcx140.yaml | 1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Texas Instruments TLV320ADCX140 Quad Channel Analog-to-Digital Converter
11 - Dan Murphy <dmurphy@ti.com>
14 The TLV320ADCX140 are multichannel (4-ch analog recording or 8-ch digital
15 PDM microphones recording), high-performance audio, analog-to-digital
28 - const: ti,tlv320adc3140
29 - const: ti,tlv320adc5140
30 - const: ti,tlv320adc6140
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/freescale/ |
| D | imx8mq-nitrogen.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/input/input.h>
13 compatible = "boundary,imx8mq-nitrogen8m", "fsl,imx8mq";
16 stdout-path = "serial0:115200n8";
24 gpio-keys {
25 compatible = "gpio-keys";
26 pinctrl-names = "default";
27 pinctrl-0 = <&pinctrl_gpio_keys>;
33 wakeup-source;
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| /kernel/linux/linux-4.19/drivers/iio/adc/ |
| D | stm32-adc-core.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
8 * Inspired from: fsl-imx25-tsadc
22 #include "stm32-adc-core.h"
25 * stm32_adc_common_regs - stm32 common registers, compatible dependent data
45 * stm32_adc_priv_cfg - stm32 core compatible configuration data
57 * struct stm32_adc_priv - stm32 ADC core private data
62 * @vref: regulator reference
71 struct regulator *vref; member
85 * stm32f4_adc_clk_sel() - Select stm32f4 ADC common clock prescaler
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| D | vf610_adc.c | 44 #define DRIVER_NAME "vf610-adc"
175 struct regulator *vref; member
191 struct vf610_adc_feature *adc_feature = &info->adc_feature; in vf610_adc_calculate_rates()
192 unsigned long adck_rate, ipg_rate = clk_get_rate(info->clk); in vf610_adc_calculate_rates()
196 adck_rate = info->max_adck_rate[adc_feature->conv_mode]; in vf610_adc_calculate_rates()
201 adc_feature->clk_div = 1 << fls(divisor + 1); in vf610_adc_calculate_rates()
203 /* fall-back value using a safe divisor */ in vf610_adc_calculate_rates()
204 adc_feature->clk_div = 8; in vf610_adc_calculate_rates()
207 adck_rate = ipg_rate / adc_feature->clk_div; in vf610_adc_calculate_rates()
214 lst_addr_min = adc_feature->default_sample_time / adck_period; in vf610_adc_calculate_rates()
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| /kernel/linux/linux-5.10/sound/soc/codecs/ |
| D | adau1977.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
156 static const DECLARE_TLV_DB_MINMAX_MUTE(adau1977_adc_gain, -3562, 6000);
164 SND_SOC_DAPM_SUPPLY("Vref", ADAU1977_REG_BLOCK_POWER_SAI,
177 SND_SOC_DAPM_OUTPUT("VREF"),
186 { "ADC1", NULL, "Vref" },
187 { "ADC2", NULL, "Vref" },
188 { "ADC3", NULL, "Vref" },
189 { "ADC4", NULL, "Vref" },
191 { "VREF", NULL, "Vref" },
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| D | rt1305.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt1305.c -- RT1305 ALSA SoC amplifier component driver
25 #include <sound/soc-dapm.h>
249 regmap_multi_reg_write(rt1305->regmap, init_list, RT1305_INIT_REG_LEN); in rt1305_reg_init()
381 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9435, 37, 0);
406 static int rt1305_is_rc_clk_from_pll(struct snd_soc_dapm_widget *source, in rt1305_is_rc_clk_from_pll() argument
410 snd_soc_dapm_to_component(source->dapm); in rt1305_is_rc_clk_from_pll()
416 if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1 && in rt1305_is_rc_clk_from_pll()
423 static int rt1305_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, in rt1305_is_sys_clk_from_pll() argument
427 snd_soc_dapm_to_component(source->dapm); in rt1305_is_sys_clk_from_pll()
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| /kernel/linux/linux-4.19/sound/soc/codecs/ |
| D | adau1977.c | 5 * Author: Lars-Peter Clausen <lars@metafoo.de>
7 * Licensed under the GPL-2.
157 static const DECLARE_TLV_DB_MINMAX_MUTE(adau1977_adc_gain, -3562, 6000);
165 SND_SOC_DAPM_SUPPLY("Vref", ADAU1977_REG_BLOCK_POWER_SAI,
178 SND_SOC_DAPM_OUTPUT("VREF"),
187 { "ADC1", NULL, "Vref" },
188 { "ADC2", NULL, "Vref" },
189 { "ADC3", NULL, "Vref" },
190 { "ADC4", NULL, "Vref" },
192 { "VREF", NULL, "Vref" },
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| D | rt1305.c | 2 * rt1305.c -- RT1305 ALSA SoC amplifier component driver
28 #include <sound/soc-dapm.h>
252 regmap_multi_reg_write(rt1305->regmap, init_list, RT1305_INIT_REG_LEN); in rt1305_reg_init()
384 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9435, 37, 0);
409 static int rt1305_is_rc_clk_from_pll(struct snd_soc_dapm_widget *source, in rt1305_is_rc_clk_from_pll() argument
413 snd_soc_dapm_to_component(source->dapm); in rt1305_is_rc_clk_from_pll()
419 if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1 && in rt1305_is_rc_clk_from_pll()
426 static int rt1305_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, in rt1305_is_sys_clk_from_pll() argument
430 snd_soc_dapm_to_component(source->dapm); in rt1305_is_sys_clk_from_pll()
433 if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1) in rt1305_is_sys_clk_from_pll()
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| D | es8316.c | 2 * es8316.c -- es8316 ALSA SoC audio driver
5 * Authors: David Yang <yangxiaohua@everest-semi.com>,
22 #include <sound/soc-dapm.h>
44 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
45 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
46 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
47 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
48 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
50 0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
51 8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/iio/dac/ |
| D | adi,ad5770r.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Mircea Caprioru <mircea.caprioru@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD5770R.pdf
21 - adi,ad5770r
26 avdd-supply:
31 iovdd-supply:
35 vref-supply:
41 adi,external-resistor:
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| /kernel/linux/linux-5.10/drivers/iio/adc/ |
| D | stm32-adc-core.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
8 * Inspired from: fsl-imx25-tsadc
25 #include "stm32-adc-core.h"
41 * struct stm32_adc_common_regs - stm32 common registers
61 * struct stm32_adc_priv_cfg - stm32 core compatible configuration data
77 * struct stm32_adc_priv - stm32 ADC core private data
86 * @vref: regulator reference
103 struct regulator *vref; member
121 * stm32f4_adc_clk_sel() - Select stm32f4 ADC common clock prescaler
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| D | vf610_adc.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
31 #define DRIVER_NAME "vf610-adc"
162 struct regulator *vref; member
182 struct vf610_adc_feature *adc_feature = &info->adc_feature; in vf610_adc_calculate_rates()
183 unsigned long adck_rate, ipg_rate = clk_get_rate(info->clk); in vf610_adc_calculate_rates()
187 adck_rate = info->max_adck_rate[adc_feature->conv_mode]; in vf610_adc_calculate_rates()
192 adc_feature->clk_div = 1 << fls(divisor + 1); in vf610_adc_calculate_rates()
194 /* fall-back value using a safe divisor */ in vf610_adc_calculate_rates()
195 adc_feature->clk_div = 8; in vf610_adc_calculate_rates()
198 adck_rate = ipg_rate / adc_feature->clk_div; in vf610_adc_calculate_rates()
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | stm32429i-eval.dts | 2 * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
4 * This file is dual-licensed: you can use it either under the terms
22 * MA 02110-1301 USA
48 /dts-v1/;
50 #include "stm32f429-pinctrl.dtsi"
51 #include <dt-bindings/input/input.h>
52 #include <dt-bindings/gpio/gpio.h>
55 model = "STMicroelectronics STM32429i-EVAL board";
56 compatible = "st,stm32429i-eval", "st,stm32f429";
60 stdout-path = "serial0:115200n8";
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| D | imx6ul-kontron-n6x1x-s.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
11 gpio-leds {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
17 label = "debug-led1";
19 default-state = "off";
20 linux,default-trigger = "heartbeat";
24 label = "debug-led2";
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | imx7d-sdb.dts | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 /dts-v1/;
11 compatible = "fsl,imx7d-sdb", "fsl,imx7d";
14 stdout-path = &uart1;
22 gpio-keys {
23 compatible = "gpio-keys";
24 pinctrl-names = "default";
25 pinctrl-0 = <&pinctrl_gpio_keys>;
27 volume-up {
33 volume-down {
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| /kernel/linux/linux-5.10/drivers/input/touchscreen/ |
| D | ads7846.c | 1 // 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 */
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| /kernel/linux/linux-4.19/drivers/input/touchscreen/ |
| D | ads7846.c | 9 * - corgi_ts.c
10 * Copyright (C) 2004-2005 Richard Purdie
11 * - omap_ts.[hc], ads7846.h, ts_osk.c
43 * Support for ads7843 tested on Atmel at91sam926x-EK.
57 * note. The strength of filtering can be set in the board-* specific
71 * with msbs zeroed). Instead, we read them as two 8-bit values,
84 * driver is used with DMA-based SPI controllers (like atmel_spi) on
85 * systems where main memory is not DMA-coherent (most non-x86 boards).
91 /* for ads7845 with mpc5121 psc spi we use 3-byte buffers */
149 /* leave chip selected when we're done, for quicker re-select? */
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