/linux/Documentation/devicetree/bindings/iio/adc/ |
H A D | atmel,sama5d2-adc.yaml | 1 # 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# 10 - Eugen Hristev <eugen.hristev@microchip.com> 15 - atmel,sama5d2-adc 16 - microchip,sam9x60-adc 17 - microchip,sama7g5-adc 28 clock-names: 31 vref-supply: true [all …]
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/linux/Documentation/devicetree/bindings/input/ |
H A D | syna,rmi4.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Jason A. Donenfeld <Jason@zx2c4.com> 11 - Matthias Schiffer <matthias.schiffer@ew.tq-group.com 12 - Vincent Huang <vincent.huang@tw.synaptics.com> 22 - syna,rmi4-i2c 23 - syna,rmi4-spi 28 '#address-cells': 31 '#size-cells': [all …]
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/linux/tools/power/pm-graph/ |
H A D | bootgraph.8 | 3 bootgraph \- Kernel boot timing analysis 24 Generates output files in subdirectory: boot-yymmdd-HHMMSS 30 \fB-h\fR 33 \fB-v\fR 36 \fB-addlogs\fR 40 \fB-result \fIfile\fR 43 \fB-o \fIname\fR 45 Use {date}, {time}, {hostname} for current values. 47 e.g. boot-{hostname}-{date}-{time} 50 \fB-f or -callgraph\fR [all …]
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/linux/Documentation/devicetree/bindings/iio/proximity/ |
H A D | devantech-srf04.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/iio/proximity/devantech-srf04.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Andreas Klinger <ak@it-klinger.de> 13 Bit-banging driver using two GPIOs: 14 - trigger-gpio is raised by the driver to start sending out an ultrasonic 16 - echo-gpio is held high by the sensor after sending ultrasonic burst 20 https://www.robot-electronics.co.uk/htm/srf04tech.htm 22 https://www.maxbotix.com/documents/LV-MaxSonar-EZ_Datasheet.pdf [all …]
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/linux/sound/ppc/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 22 will be called snd-powermac. 25 bool "Toggle DRC automatically at headphone/line plug-in" 49 int "Startup delay time in ms"
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/linux/net/ipv4/ |
H A D | tcp_bbr.c | 21 * +---> STARTUP ----+ 24 * | DRAIN ----+ 27 * +---> PROBE_BW ----+ 30 * | +----+ | 32 * +---- PROBE_RTT <--+ 34 * A BBR flow starts in STARTUP, and ramps up its sending rate quickly. 37 * A long-lived BBR flow spends the vast majority of its time remaining 42 * it briefly enters PROBE_RTT to cut inflight to a minimum value to re-probe 43 * the path's two-way propagation delay (min_rtt). When exiting PROBE_RTT, if 45 * otherwise we enter STARTUP to try to fill the pipe. [all …]
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/linux/Documentation/sound/designs/ |
H A D | timestamping.rst | 7 - Trigger_tstamp is the system time snapshot taken when the .trigger 11 estimate with a delay. In the latter two cases, the low-level driver 17 - tstamp is the current system timestamp updated during the last 19 The difference (tstamp - trigger_tstamp) defines the elapsed time. 26 The use of these different pointers and time information depends on 29 - ``avail`` reports how much can be written in the ring buffer 30 - ``delay`` reports the time it will take to hear a new sample after all 34 along with a snapshot of system time. Applications can select from 42 of time as measured by different components of audio hardware. In 43 ascii-art, this could be represented as follows (for the playback [all …]
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/linux/drivers/iio/adc/ |
H A D | at91_adc.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 53 #define AT91_ADC_STARTUP_9260 (0x1f << 16) /* Startup Up Time */ 57 #define AT91_ADC_SHTIM (0xf << 24) /* Sample & Hold Time */ 59 #define AT91_ADC_PENDBC (0x0f << 28) /* Pen Debounce time */ 63 #define AT91_ADC_TSR_SHTIM (0xf << 24) /* Sample & Hold Time */ 103 #define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */ 113 #define AT91_ADC_TSMR_SCTIM (0x0f << 16) /* Switch closure time */ 115 #define AT91_ADC_TSMR_PENDBC (0x0f << 28) /* Pen Debounce time */ 137 (st->registers->channel_base + (ch * 4)) 139 (readl_relaxed(st->reg_base + reg)) [all …]
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H A D | at91-sama5d2_adc.c | 1 // SPDX-License-Identifier: GPL-2.0-only 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 */ 112 /* Interrupt Enable Register - TS Y measurement ready */ [all …]
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/linux/Documentation/devicetree/bindings/extcon/ |
H A D | wlf,arizona.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - patches@opensource.cirrus.com 20 wlf,hpdet-channel: 30 wlf,use-jd2: 35 wlf,use-jd2-nopull: 40 wlf,jd-invert: 45 wlf,micd-software-compare: 50 wlf,micd-detect-debounce: [all …]
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/linux/drivers/iio/temperature/ |
H A D | mlx90614.c | 1 // 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!) 17 * for at least 33ms. This is achieved with an extra GPIO that can be connected 21 * always has a pull-up so we do not need an extra GPIO to drive it high. If 56 /* Timings (in ms) */ 57 #define MLX90614_TIMING_EEPROM 20 /* time for EEPROM write/erase to complete */ [all …]
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/linux/tools/perf/Documentation/ |
H A D | perf-trace.txt | 1 perf-trace(1) 5 ---- 6 perf-trace - strace inspired tool 9 --- [all...] |
/linux/drivers/leds/ |
H A D | leds-lp5523.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * lp5523.c - LP5523, LP55231 LED Driver 20 #include <linux/platform_data/leds-lp55xx.h> 23 #include "leds-lp55xx-common.h" 88 /* Chip startup time is 500 us, 1 - 2 ms gives some margin */ in lp5523_post_init_device() 92 val |= (chip->pdata->charge_pump_mode << LP5523_CP_MODE_SHIFT) & LP5523_CP_MODE_MASK; in lp5523_post_init_device() 150 chip->engine_idx = i; in lp5523_init_program_engine() 155 pattern[i - 1][j]); in lp5523_init_program_engine() 163 /* Let the programs run for couple of ms and check the engine status */ in lp5523_init_program_engine() 171 dev_err(&chip->cl->dev, in lp5523_init_program_engine() [all …]
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H A D | leds-lp8501.c | 1 // SPDX-License-Identifier: GPL-2.0-only 18 #include <linux/platform_data/leds-lp55xx.h> 21 #include "leds-lp55xx-common.h" 65 /* Chip startup time is 500 us, 1 - 2 ms gives some margin */ in lp8501_post_init_device() 68 if (chip->pdata->clock_mode != LP55XX_CLOCK_EXT) in lp8501_post_init_device() 71 val |= (chip->pdata->charge_pump_mode << LP8501_CP_MODE_SHIFT) & LP8501_CP_MODE_MASK; in lp8501_post_init_device() 79 LP8501_PWR_CONFIG_M, chip->pdata->pwr_sel); in lp8501_post_init_device()
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/linux/arch/arm64/boot/dts/rockchip/ |
H A D | rk3399-gru-chromebook.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Google Gru-Chromebook shared properties 8 #include "rk3399-gru.dtsi" 11 pp900_ap: regulator-pp900-ap { 12 compatible = "regulator-fixed"; 13 regulator-name = "pp900_ap"; 16 regulator-always-on; 17 regulator-boot-on; 18 regulator-min-microvolt = <900000>; 19 regulator-max-microvolt = <900000>; [all …]
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H A D | rk3399-gru-scarlet.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Google Gru-scarlet board device tree source 8 #include "rk3399-gru.dtsi" 11 chassis-type = "tablet"; 16 pp1250_s3: regulator-pp1250-s3 { 17 compatible = "regulator-fixed"; 18 regulator-name = "pp1250_s3"; 21 regulator-always-on; 22 regulator-boot-on; 23 regulator-min-microvolt = <1250000>; [all …]
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/linux/sound/soc/codecs/ |
H A D | ssm2518.c | 1 // SPDX-License-Identifier: GPL-2.0-only 6 * Author: Lars-Peter Clausen <lars@metafoo.de> 141 static const DECLARE_TLV_DB_MINMAX_MUTE(ssm2518_vol_tlv, -7125, 2400); 142 static const DECLARE_TLV_DB_SCALE(ssm2518_compressor_tlv, -3400, 200, 0); 143 static const DECLARE_TLV_DB_SCALE(ssm2518_expander_tlv, -8100, 300, 0); 144 static const DECLARE_TLV_DB_SCALE(ssm2518_noise_gate_tlv, -9600, 300, 0); 145 static const DECLARE_TLV_DB_SCALE(ssm2518_post_drc_tlv, -2400, 300, 0); 148 0, 7, TLV_DB_SCALE_ITEM(-2200, 200, 0), 149 7, 15, TLV_DB_SCALE_ITEM(-800, 100, 0), 153 "0 ms", "0.1 ms", "0.19 ms", "0.37 ms", "0.75 ms", "1.5 ms", "3 ms", [all …]
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/linux/drivers/net/ethernet/dec/tulip/ |
H A D | media.c | 5 Written/copyright 1994-2001 by Donald Becker. 21 met by back-to-back PCI I/O cycles, but we insert a delay to avoid 25 /* Read and write the MII registers using software-generated serial 41 Read and write the MII registers using software-generated serial 43 See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management functions") 53 void __iomem *ioaddr = tp->base_addr; in tulip_mdio_read() 60 if (tp->chip_id == COMET && phy_id == 30) { in tulip_mdio_read() 66 spin_lock_irqsave(&tp->mii_lock, flags); in tulip_mdio_read() 67 if (tp->chip_id == LC82C168) { in tulip_mdio_read() 71 for (i = 1000; i >= 0; --i) { in tulip_mdio_read() [all …]
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/linux/arch/arm64/boot/dts/qcom/ |
H A D | msm8998-sony-xperia-yoshino.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause 8 #include <dt-bindings/input/input.h> 9 #include <dt-bindings/leds/common.h> 10 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h> 18 qcom,msm-id = <0x124 0x20000>, <0x124 0x20001>; /* 8998v2, v2.1 */ 19 qcom,board-id = <8 0>; 23 compatible = "gpio-gate-clock"; 24 pinctrl-0 = <&div_clk1>; 25 pinctrl-names = "default"; 27 #clock-cells = <0>; [all …]
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/linux/drivers/watchdog/ |
H A D | sc520_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 9 * any of this software. This material is provided "AS-IS" in 13 * 9/27 - 2001 [Initial release] 16 * - Fixed formatting 17 * - Removed debug printks 18 * - Fixed SMP built kernel deadlock 19 * - Switched to private locks not lock_kernel 20 * - Used ioremap/writew/readw 21 * - Added NOWAYOUT support 22 * 4/12 - 2002 Changes by Rob Radez <rob@osinvestor.com> [all …]
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/linux/Documentation/devicetree/bindings/input/touchscreen/ |
H A D | azoteq,iqs7211.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Jeff LaBundy <jeff@labundy.com> 13 The Azoteq IQS7210A, IQS7211A and IQS7211E trackpad and touchscreen control- 14 lers employ projected-capacitance sensing and can track two contacts. 21 - azoteq,iqs7210a 22 - azoteq,iqs7211a 23 - azoteq,iqs7211e 28 irq-gpios: [all …]
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/linux/arch/m68k/bvme6000/ |
H A D | config.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 28 #include <asm/bootinfo-vme.h> 46 if (be16_to_cpu(bi->tag) == BI_VME_TYPE) in bvme6000_parse_bootinfo() 62 pit->pcddr |= 0x10; /* WDOG enable */ in bvme6000_reset() 74 * This function is called during kernel startup to initialize 112 pit->pgcr = 0x00; /* Unidirectional 8 bit, no handshake for now */ in config_bvme6000() 113 pit->psrr = 0x18; /* PIACK and PIRQ functions enabled */ in config_bvme6000() 114 pit->pacr = 0x00; /* Sub Mode 00, H2 i/p, no DMA */ in config_bvme6000() 115 pit->padr = 0x00; /* Just to be tidy! */ in config_bvme6000() 116 pit->paddr = 0x00; /* All inputs for now (safest) */ in config_bvme6000() [all …]
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/linux/Documentation/driver-api/ |
H A D | pps.rst | 1 .. SPDX-License-Identifier: GPL-2.0 4 PPS - Pulse Per Second 22 ------ [all...] |
/linux/arch/arm/boot/dts/nxp/imx/ |
H A D | mba6ulx.dtsi | 1 // 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 = <®_mba6ul_3v3>; 24 enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>; 29 compatible = "gpio-beeper"; 33 gpio_buttons: gpio-keys { [all …]
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/linux/drivers/net/wireless/ti/wl1251/ |
H A D | boot.c | 1 // SPDX-License-Identifier: GPL-2.0-only 19 wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); in wl1251_boot_target_enable_interrupts() 40 /* 1.2 check pWhalBus->uSelfClearTime if the in wl1251_boot_soft_reset() 43 return -1; in wl1251_boot_soft_reset() 87 /* set the BB calibration time to be 300 usec (PLL_CAL_TIME) */ in wl1251_boot_init_seq() 94 * PG 1.2: set the clock buffer time to be 210 usec (CLK_BUF_TIME) in wl1251_boot_init_seq() 110 /* PG 1.2: Set the BB PLL stable time to be 1000usec in wl1251_boot_init_seq() 114 /* PG 1.2: read clock request time */ in wl1251_boot_init_seq() 118 * PG 1.2: set the clock request time to be ref_clk_settling_time - in wl1251_boot_init_seq() 119 * 1ms = 4ms in wl1251_boot_init_seq() [all …]
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