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/Linux-v6.1/Documentation/devicetree/bindings/iio/adc/
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#
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 …]
/Linux-v6.1/Documentation/devicetree/bindings/mfd/
Drohm,bd9576-pmic.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd9576-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
14 powering the R-Car series processors.
21 - rohm,bd9576
22 - rohm,bd9573
32 rohm,vout1-en-low:
35 controlled by a GPIO. This is dictated by state of vout1-en pin during
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/iio/proximity/
Ddevantech-srf04.yaml1 # 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 …]
/Linux-v6.1/tools/power/pm-graph/
Dbootgraph.83 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 …]
/Linux-v6.1/drivers/iio/proximity/
Dsrf04.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2017 Andreas Klinger <ak@it-klinger.de>
8 * https://www.robot-electronics.co.uk/htm/srf04tech.htm
12 * +---+
14 * trig: --+ +------------------------------------------------------
16 * |<->|
19 * ultra +-+ +-+ +-+
21 * burst: ---------+ +-+ +-+ +-----------------------------------------
23 * ultra . +-+ +-+ +-+
25 * echo: ----------------------------------+ +-+ +-+ +----------------
[all …]
/Linux-v6.1/sound/ppc/
DKconfig1 # 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"
/Linux-v6.1/Documentation/sound/designs/
Dtimestamping.rst7 - 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 …]
/Linux-v6.1/net/ipv4/
Dtcp_bbr.c21 * +---> 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 …]
/Linux-v6.1/drivers/iio/temperature/
Dmlx90614.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mlx90614.c - Support for Melexis MLX90614 contactless IR temperature sensor
9 * Driver for the Melexis MLX90614 I2C 16-bit IR thermopile sensor
11 * (7-bit I2C slave address 0x5a, 100KHz bus speed only!)
14 * for at least 33ms. This is achieved with an extra GPIO that can be connected
18 * always has a pull-up so we do not need an extra GPIO to drive it high. If
37 /* RAM offsets with 16-bit data, MSB first */
44 /* EEPROM offsets with 16-bit data, MSB first */
58 /* Timings (in ms) */
59 #define MLX90614_TIMING_EEPROM 20 /* time for EEPROM write/erase to complete */
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/extcon/
Dwlf,arizona.yaml1 # 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 …]
/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dmsm8998-sony-xperia-yoshino.dtsi1 // 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 = <&audio_mclk_pin>;
25 pinctrl-names = "default";
27 #clock-cells = <0>;
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/Linux-v6.1/drivers/iio/adc/
Dat91_adc.c1 // 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 …]
Dat91-sama5d2_adc.c1 // 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 …]
/Linux-v6.1/tools/perf/Documentation/
Dperf-trace.txt1 perf-trace(1)
5 ----
6 perf-trace - strace inspired tool
9 --------
15 -----------
22 but the session needs to include the raw_syscalls events (-e 'raw_syscalls:*').
30 -------
32 -a::
33 --all-cpus::
34 System-wide collection from all CPUs.
[all …]
/Linux-v6.1/sound/soc/codecs/
Dssm2518.c1 // 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 …]
/Linux-v6.1/arch/arm64/boot/dts/rockchip/
Drk3399-gru-chromebook.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Google Gru-Chromebook shared properties
8 #include "rk3399-gru.dtsi"
11 pp900_ap: 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 …]
Drk3568-bpi-r2-pro.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Author: Frank Wunderlich <frank-w@public-files.de>
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
11 #include <dt-bindings/soc/rockchip,vop2.h>
15 model = "Bananapi-R2 Pro (RK3568) DDR4 Board";
16 compatible = "rockchip,rk3568-bpi-r2pro", "rockchip,rk3568";
26 stdout-path = "serial2:1500000n8";
[all …]
Drk3399-gru-scarlet.dtsi1 // 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: 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 …]
/Linux-v6.1/drivers/net/ethernet/dec/tulip/
Dmedia.c5 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 …]
/Linux-v6.1/drivers/watchdog/
Dsc520_wdt.c1 // 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 …]
/Linux-v6.1/arch/m68k/mvme147/
Dconfig.c29 #include <asm/bootinfo-vme.h>
50 uint16_t tag = be16_to_cpu(bi->tag); in mvme147_parse_bootinfo()
60 m147_pcc->watchdog = 0x0a; /* Clear timer */ in mvme147_reset()
61 m147_pcc->watchdog = 0xa5; /* Enable watchdog - 100ms to reset */ in mvme147_reset()
72 * This function is called during kernel startup to initialize
108 #define PCC_TIMER_PRELOAD (0x10000 - PCC_TIMER_CYCLES)
117 m147_pcc->t1_cntrl = PCC_TIMER_CLR_OVF | PCC_TIMER_COC_EN | in mvme147_timer_int()
119 m147_pcc->t1_int_cntrl = PCC_INT_ENAB | PCC_TIMER_INT_CLR | in mvme147_timer_int()
137 m147_pcc->t1_preload = PCC_TIMER_PRELOAD; in mvme147_sched_init()
138 m147_pcc->t1_cntrl = PCC_TIMER_CLR_OVF | PCC_TIMER_COC_EN | in mvme147_sched_init()
[all …]
/Linux-v6.1/arch/m68k/bvme6000/
Dconfig.c31 #include <asm/bootinfo-vme.h>
49 if (be16_to_cpu(bi->tag) == BI_VME_TYPE) in bvme6000_parse_bootinfo()
65 pit->pcddr |= 0x10; /* WDOG enable */ in bvme6000_reset()
77 * This function is called during kernel startup to initialize
115 pit->pgcr = 0x00; /* Unidirectional 8 bit, no handshake for now */ in config_bvme6000()
116 pit->psrr = 0x18; /* PIACK and PIRQ functions enabled */ in config_bvme6000()
117 pit->pacr = 0x00; /* Sub Mode 00, H2 i/p, no DMA */ in config_bvme6000()
118 pit->padr = 0x00; /* Just to be tidy! */ in config_bvme6000()
119 pit->paddr = 0x00; /* All inputs for now (safest) */ in config_bvme6000()
120 pit->pbcr = 0x80; /* Sub Mode 1x, H4 i/p, no DMA */ in config_bvme6000()
[all …]
/Linux-v6.1/drivers/staging/media/atomisp/i2c/
Datomisp-ov2722.c1 // SPDX-License-Identifier: GPL-2.0
31 #include <media/v4l2-device.h>
46 if (!client->adapter) { in ov2722_read_reg()
47 dev_err(&client->dev, "%s error, no client->adapter\n", in ov2722_read_reg()
49 return -ENODEV; in ov2722_read_reg()
54 dev_err(&client->dev, "%s error, invalid data length\n", in ov2722_read_reg()
56 return -EINVAL; in ov2722_read_reg()
61 msg[0].addr = client->addr; in ov2722_read_reg()
70 msg[1].addr = client->addr; in ov2722_read_reg()
75 err = i2c_transfer(client->adapter, msg, 2); in ov2722_read_reg()
[all …]
/Linux-v6.1/Documentation/driver-api/
Dpps.rst1 .. SPDX-License-Identifier: GPL-2.0
4 PPS - Pulse Per Second
22 --------
29 can use it to adjust system clock time.
32 Carrier Detect pin) or to a parallel port (ACK-pin) or to a special
38 GPS receiver as PPS source, to obtain a wallclock-time with
39 sub-millisecond synchronisation to UTC.
43 ------------------
46 CPU GPIO-Pin as physical link to the signal, I encountered a deeper
49 At startup it needs a file descriptor as argument for the function
[all …]
/Linux-v6.1/arch/arm/boot/dts/
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 {
[all …]

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