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/linux/Documentation/devicetree/bindings/iio/adc/
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#
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/Documentation/devicetree/bindings/input/
H A Dsyna,rmi4.yaml1 # 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':
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/linux/tools/power/pm-graph/
H A 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/Documentation/devicetree/bindings/iio/proximity/
H A 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/sound/ppc/
H A 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/net/ipv4/
H A 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/Documentation/sound/designs/
H A 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/drivers/iio/adc/
H A 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))
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/linux/Documentation/devicetree/bindings/extcon/
H A 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/drivers/leds/
H A Dleds-lp5523.c1 // 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 …]
H A Dleds-lp8501.c1 // 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()
/linux/tools/perf/Documentation/
H A 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.
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/linux/drivers/net/ethernet/dec/tulip/
H A 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()
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/linux/arch/arm64/boot/dts/rockchip/
H A 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: 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 …]
H A 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: 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 …]
/linux/sound/soc/codecs/
H A 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/arch/arm64/boot/dts/qcom/
H A 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 = <&div_clk1>;
25 pinctrl-names = "default";
27 #clock-cells = <0>;
[all …]
/linux/drivers/watchdog/
H A 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/Documentation/devicetree/bindings/input/touchscreen/
H A Dazoteq,iqs7211.yaml1 # 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 …]
/linux/arch/x86/kernel/
H A Dsmpboot.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 * Pentium Pro and Pentium-II/Xeon MP machines.
19 * Alan Cox : By repeated request 8) - Total BogoMIPS report.
32 * Martin J. Bligh : Added support for multi-quad systems
86 #include <asm/intel-family.h>
88 #include <asm/spec-ctrl.h>
92 #include <asm/spec-ctrl.h>
164 if (!--smpboot_warm_reset_vector_count) { in smpboot_restore_warm_reset_vector()
242 * 32-bit specific. 64-bit reaches this code with the correct page in start_secondary()
273 * synchronization state to ALIVE and spin-waits for the control CPU to in start_secondary()
[all …]
/linux/arch/m68k/bvme6000/
H A Dconfig.c1 // 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 …]
/linux/drivers/usb/musb/
H A Dmusb_virthub.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2005-2006 by Texas Instruments
7 * Copyright (C) 2006-2007 Nokia Corporation
14 #include <linux/time.h>
29 spin_lock_irqsave(&musb->lock, flags); in musb_host_finish_resume()
31 power = musb_readb(musb->mregs, MUSB_POWER); in musb_host_finish_resume()
34 musb_writeb(musb->mregs, MUSB_POWER, power); in musb_host_finish_resume()
41 musb->is_active = 1; in musb_host_finish_resume()
42 musb->port1_status &= ~(USB_PORT_STAT_SUSPEND | MUSB_PORT_STAT_RESUME); in musb_host_finish_resume()
43 musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16; in musb_host_finish_resume()
[all …]
/linux/drivers/net/wireless/ti/wl1251/
H A Dboot.c1 // 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 …]
/linux/drivers/net/wireless/ti/wlcore/
H A Dwlcore_i.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
6 * Copyright (C) 2008-2009 Nokia Corporation
68 * When in AP-mode, we allow (at least) this number of packets
69 * to be transmitted to FW for a STA in PS-mode. Only when packets are
135 /* Cumulative counter of total released mem blocks since FW-reset */
150 * (length of the array is wl->num_links)
154 /* PN16 of last TKIP/AES seq-num per HLID */
259 /* AP-mode - TX queue per AC in link */
282 * total freed FW packets on the link - used for tracking the
[all …]
/linux/arch/arm/boot/dts/st/
H A Dste-ux500-samsung-skomer.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8505.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
[all …]

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