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/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
H A Datmel,sama9260-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/atmel,sama9260-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AT91 sama9260 and similar Analog to Digital Converter (ADC)
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
15 - atmel,at91sam9260-adc
16 - atmel,at91sam9rl-adc
17 - atmel,at91sam9g45-adc
18 - atmel,at91sam9x5-adc
[all …]
H A Datmel,sama5d2-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/atmel,sama5d2-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AT91 SAMA5D2 Analog to Digital Converter (ADC)
10 - Eugen Hristev <eugen.hristev@microchip.com>
15 - atmel,sama5d2-adc
16 - microchip,sam9x60-adc
17 - microchip,sama7g5-adc
28 clock-names:
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/openbmc/linux/Documentation/sound/soc/
H A Dpops-clicks.rst7 audio module is either loaded or unloaded (at module load time the sound card is
13 click every time a component power state is changed.
22 components in a specific order. This order is different for startup and
23 shutdown and follows some basic rules:-
26 Startup Order :- DAC --> Mixers --> Output PGA --> Digital Unmute
28 Shutdown Order :- Digital Mute --> Output PGA --> Mixers --> DAC
38 ADC until all the pops have occurred. This follows similar power rules to
40 startup or shutdown.
43 Startup Order - Input PGA --> Mixers --> ADC
45 Shutdown Order - ADC --> Mixers --> Input PGA
/openbmc/linux/drivers/iio/adc/
H A Dat91_adc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for the ADC present in the Atmel AT91 evaluation boards.
37 #define AT91_ADC_TSAMOD (3 << 0) /* ADC mode */
38 #define AT91_ADC_TSAMOD_ADC_ONLY_MODE (0 << 0) /* ADC Mode */
52 #define AT91_ADC_STARTUP_9260 (0x1f << 16) /* Startup Up Time */
56 #define AT91_ADC_SHTIM (0xf << 24) /* Sample & Hold Time */
58 #define AT91_ADC_PENDBC (0x0f << 28) /* Pen Debounce time */
62 #define AT91_ADC_TSR_SHTIM (0xf << 24) /* Sample & Hold Time */
102 #define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */
112 #define AT91_ADC_TSMR_SCTIM (0x0f << 16) /* Switch closure time */
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H A Dat91-sama5d2_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Atmel ADC driver for SAMA5D2 devices and compatible.
14 #include <linux/dma-mapping.h>
31 #include <linux/nvmem-consumer.h>
36 #include <dt-bindings/iio/adc/at91-sama5d2_adc.h>
79 /* Startup Time */
82 /* Minimum startup time for temperature sensor */
86 /* Tracking Time */
90 /* Transfer Time */
110 /* Interrupt Enable Register - TS X measurement ready */
[all …]
H A Dstm32-adc.c1 // SPDX-License-Identifier: GPL-2.0
3 * This file is part of STM32 ADC driver
5 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
12 #include <linux/dma-mapping.h>
16 #include <linux/iio/timer/stm32-lptim-trigger.h>
17 #include <linux/iio/timer/stm32-timer-trigger.h>
26 #include <linux/nvmem-consumer.h>
31 #include "stm32-adc-core.h"
36 /* BOOST bit must be set on STM32H7 when ADC clock is above 20MHz */
58 /* extsel - trigger mux selection value */
[all …]
/openbmc/u-boot/drivers/adc/
H A Dstm32-adc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
6 * Originally based on the Linux kernel v4.18 drivers/iio/adc/stm32-adc.c.
10 #include <adc.h>
13 #include "stm32-adc-core.h"
15 /* STM32H7 - Registers for each ADC instance */
26 /* STM32H7_ADC_ISR - bit fields */
31 /* STM32H7_ADC_CR - bit fields */
43 /* STM32H7_ADC_SQR1 - bit fields */
46 /* BOOST bit must be set on STM32H7 when ADC clock is above 20MHz */
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/openbmc/linux/arch/arm/boot/dts/microchip/
H A Dat91sam9g20.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
23 compatible = "mmio-sram";
25 #address-cells = <1>;
26 #size-cells = <1>;
33 compatible = "atmel,at91sam9g20-i2c";
37 compatible = "atmel,at91sam9rl-ssc";
40 adc0: adc@fffe0000 {
41 atmel,adc-startup-time = <40>;
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/openbmc/u-boot/arch/arm/dts/
H A Dat91sam9g20.dtsi2 * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC
4 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
24 compatible = "mmio-sram";
31 compatible = "atmel,at91sam9g20-i2c";
35 compatible = "atmel,at91sam9rl-ssc";
38 adc0: adc@fffe0000 {
39 atmel,adc-startup-time = <40>;
44 atmel,clk-input-range = <2000000 32000000>;
45 atmel,pll-clk-output-ranges = <745000000 800000000 0 0>,
56 compatible = "atmel,at91sam9g20-clk-pllb";
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H A Dat91sam9rl.dtsi2 * at91sam9rl.dtsi - Device Tree Include file for AT91SAM9RL family SoC
4 * Copyright (C) 2014 Alexandre Belloni <alexandre.belloni@free-electrons.com>
10 #include <dt-bindings/pinctrl/at91.h>
11 #include <dt-bindings/clock/at91.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/pwm/pwm.h>
19 interrupt-parent = <&aic>;
42 compatible = "arm,arm926ej-s";
53 compatible = "fixed-clock";
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H A Dat91sam9g45.dtsi2 * at91sam9g45.dtsi - Device Tree Include file for AT91SAM9G45 family SoC
13 #include <dt-bindings/dma/at91.h>
14 #include <dt-bindings/pinctrl/at91.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/clock/at91.h>
22 interrupt-parent = <&aic>;
45 compatible = "arm,arm926ej-s";
56 compatible = "fixed-clock";
57 #clock-cells = <0>;
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H A Dsama5d3.dtsi2 * sama5d3.dtsi - Device Tree Include file for SAMA5D3 family SoC
12 #include <dt-bindings/dma/at91.h>
13 #include <dt-bindings/pinctrl/at91.h>
14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/gpio/gpio.h>
16 #include <dt-bindings/clock/at91.h>
21 interrupt-parent = <&aic>;
44 #address-cells = <1>;
45 #size-cells = <0>;
48 compatible = "arm,cortex-a5";
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/openbmc/linux/drivers/power/supply/
H A Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
269 * @recovery_sleep_timer: Time between measurements while recovering
270 * @recovery_total_time: Total recovery time
271 * @init_timer: Measurement interval during startup
272 * @init_discard_time: Time we discard voltage measurement at startup
273 * @init_total_time: Total init time during startup
274 * @high_curr_time: Time current has to be high to go to recovery
275 * @accu_charging: FG accumulation time while charging
276 * @accu_high_curr_ua: FG accumulation time in high current mode
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/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dmba6ulx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2018-2022 TQ-Systems GmbH
4 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
8 model = "TQ-Systems MBA6ULx Baseboard";
18 stdout-path = &uart1;
22 compatible = "pwm-backlight";
23 power-supply = <&reg_mba6ul_3v3>;
24 enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
29 compatible = "gpio-beeper";
33 gpio_buttons: gpio-keys {
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H A Dimx6qdl-apalis.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
3 * Copyright 2014-2022 Toradex
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/pwm/pwm.h>
22 compatible = "pwm-backlight";
23 brightness-levels = <0 45 63 88 119 158 203 255>;
24 default-brightness-level = <4>;
25 enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
26 pinctrl-names = "default";
27 pinctrl-0 = <&pinctrl_gpio_bl_on>;
[all …]
/openbmc/linux/drivers/thermal/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
37 int "Emergency poweroff delay in milli-seconds"
47 time for orderly_poweroff() to finish on regular execution.
99 startup. If in doubt, select 'step_wise'.
106 devices one step at a time.
138 devices one step at the time, taking into account the trip
144 bool "Fair-share thermal governor"
146 Enable this to manage platform thermals using fair-share governor.
240 memory-mapped reads to get the temperature. Any HW/System that
241 allows temperature reading by a single memory-mapped reading, be it
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/openbmc/linux/drivers/iio/temperature/
H A Dmlx90614.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mlx90614.c - Support for Melexis MLX90614/MLX90615 contactless IR temperature sensor
9 * Driver for the Melexis MLX90614/MLX90615 I2C 16-bit IR thermopile sensor
11 * MLX90614 - 17-bit ADC + MLX90302 DSP
12 * MLX90615 - 16-bit ADC + MLX90325 DSP
14 * (7-bit I2C slave address 0x5a, 100KHz bus speed only!)
21 * always has a pull-up so we do not need an extra GPIO to drive it high. If
57 #define MLX90614_TIMING_EEPROM 20 /* time for EEPROM write/erase to complete */
58 #define MLX90614_TIMING_WAKEUP 34 /* time to hold SDA low for wake-up */
59 #define MLX90614_TIMING_STARTUP 250 /* time before first data after wake-up */
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/openbmc/linux/sound/soc/codecs/
H A Des8316.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * es8316.c -- es8316 ALSA SoC audio driver
6 * Authors: David Yang <yangxiaohua@everest-semi.com>,
21 #include <sound/soc-dapm.h>
51 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
52 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
53 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
54 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
57 0, 10, TLV_DB_SCALE_ITEM(-1650, 150, 0),
58 11, 11, TLV_DB_SCALE_ITEM(-150, 0, 0),
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H A Dwm8988.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8988.c -- WM8988 ALSA SoC audio driver
154 "Mute ADC Output"};
167 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
168 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
169 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
170 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
171 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
180 SOC_ENUM("Treble Cut-off", treble),
184 SOC_ENUM("3D Lower Cut-off", stereo_3d_lc),
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H A Dtwl4030.c1 // SPDX-License-Identifier: GPL-2.0-only
28 #include <linux/mfd/twl4030-audio.h>
67 u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1];
79 twl4030->ctl_cache[i - TWL4030_REG_EAR_CTL] = byte; in tw4030_init_ctl_cache()
89 return -EIO; in twl4030_read()
98 value = twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL]; in twl4030_read()
116 if (twl4030->earpiece_enabled) in twl4030_can_write_to_chip()
120 if (twl4030->predrivel_enabled) in twl4030_can_write_to_chip()
124 if (twl4030->predriver_enabled) in twl4030_can_write_to_chip()
128 if (twl4030->carkitl_enabled) in twl4030_can_write_to_chip()
[all …]
H A Dnau8540.c1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <sound/soc-dapm.h>
183 static const DECLARE_TLV_DB_MINMAX(adc_vol_tlv, -12800, 3600);
184 static const DECLARE_TLV_DB_MINMAX(fepga_gain_tlv, -100, 3600);
207 "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4"
236 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in adc_power_control()
242 regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, in adc_power_control()
244 regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, in adc_power_control()
247 regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, in adc_power_control()
249 regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, in adc_power_control()
[all …]
H A Dnau8825.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Co-author: Meng-Huang Kuo <mhkuo@nuvoton.com>
35 #define NUVOTON_CODEC_DAI "nau8825-hifi"
223 * nau8825_sema_acquire - acquire the semaphore of nau88l25
233 * this function returns -ETIME. If the sleep is interrupted by a signal,
234 * this function will return -EINTR. It returns 0 if the semaphore was
246 ret = down_timeout(&nau8825->xtalk_sem, timeout); in nau8825_sema_acquire()
248 dev_warn(nau8825->dev, "Acquire semaphore timeout\n"); in nau8825_sema_acquire()
250 ret = down_trylock(&nau8825->xtalk_sem); in nau8825_sema_acquire()
252 dev_warn(nau8825->dev, "Acquire semaphore fail\n"); in nau8825_sema_acquire()
[all …]
H A Dnau8824.c1 // SPDX-License-Identifier: GPL-2.0-only
35 static int quirk_override = -1;
37 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
43 /* the ADC threshold of headset */
46 /* the ADC threshold of headset */
211 ret = down_timeout(&nau8824->jd_sem, timeout); in nau8824_sema_acquire()
213 dev_warn(nau8824->dev, "Acquire semaphore timeout\n"); in nau8824_sema_acquire()
215 ret = down_interruptible(&nau8824->jd_sem); in nau8824_sema_acquire()
217 dev_warn(nau8824->dev, "Acquire semaphore fail\n"); in nau8824_sema_acquire()
225 up(&nau8824->jd_sem); in nau8824_sema_release()
[all …]
/openbmc/linux/drivers/mfd/
H A Ducb1x00-core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/mfd/ucb1x00-core.c
8 * the ADC, interrupts, and accessing registers. It is designed
11 * to be used on other non-MCP-enabled hardware platforms.
35 * ucb1x00_io_set_dir - set IO direction
54 spin_lock_irqsave(&ucb->io_lock, flags); in ucb1x00_io_set_dir()
55 ucb->io_dir |= out; in ucb1x00_io_set_dir()
56 ucb->io_dir &= ~in; in ucb1x00_io_set_dir()
58 ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir); in ucb1x00_io_set_dir()
59 spin_unlock_irqrestore(&ucb->io_lock, flags); in ucb1x00_io_set_dir()
[all …]
/openbmc/linux/drivers/leds/
H A Dleds-lp5523.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * lp5523.c - LP5523, LP55231 LED Driver
19 #include <linux/platform_data/leds-lp55xx.h>
22 #include "leds-lp55xx-common.h"
123 led->led_current = led_current; in lp5523_set_led_current()
124 lp55xx_write(led->chip, LP5523_REG_LED_CURRENT_BASE + led->chan_nr, in lp5523_set_led_current()
137 /* Chip startup time is 500 us, 1 - 2 ms gives some margin */ in lp5523_post_init_device()
141 val |= (chip->pdata->charge_pump_mode << LP5523_CP_MODE_SHIFT) & LP5523_CP_MODE_MASK; in lp5523_post_init_device()
161 enum lp55xx_engine_index idx = chip->engine_idx; in lp5523_load_engine()
181 enum lp55xx_engine_index idx = chip->engine_idx; in lp5523_load_engine_and_select_page()
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