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/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dst,stm32-fmc2-ebi-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/st,stm32-fmc2-ebi-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Christophe Kerello <christophe.kerello@foss.st.com>
11 - Marek Vasut <marex@denx.de>
14 st,fmc2-ebi-cs-transaction-type:
33 st,fmc2-ebi-cs-cclk-enable:
34 description: Continuous clock enable (first bank must be configured
40 st,fmc2-ebi-cs-mux-enable:
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/linux/Documentation/devicetree/bindings/gpio/
H A Dgpio-latch.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-latch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sascha Hauer <s.hauer@pengutronix.de>
16 CLK0 ----------------------. ,--------.
17 CLK1 -------------------. `--------|> #0 |
19 OUT0 ----------------+--|-----------|D0 Q0|-----|<
20 OUT1 --------------+-|--|-----------|D1 Q1|-----|<
21 OUT2 ------------+-|-|--|-----------|D2 Q2|-----|<
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/linux/Documentation/trace/
H A Dtimerlat-tracer.rst6 find sources of wakeup latencies of real-time threads. Like cyclictest,
13 -----
28 # _-----=> irqs-off
29 # / _----=> need-resched
30 # | / _---=> hardirq/softirq
31 # || / _--=> preempt-depth
34 # TASK-PID CPU# |||| TIMESTAMP ID CONTEXT LATENCY
36 <idle>-0 [000] d.h1 54.029328: #1 context irq timer_latency 932 ns
37 <...>-867 [000] .... 54.029339: #1 context thread timer_latency 11700 ns
38 <idle>-0 [001] dNh1 54.029346: #1 context irq timer_latency 2833 ns
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/linux/drivers/gpio/
H A Dgpio-latch.c1 // SPDX-License-Identifier: GPL-2.0
10 * CLK0 ----------------------. ,--------.
11 * CLK1 -------------------. `--------|> #0 |
13 * OUT0 ----------------+--|-----------|D0 Q0|-----|<
14 * OUT1 --------------+-|--|-----------|D1 Q1|-----|<
15 * OUT2 ------------+-|-|--|-----------|D2 Q2|-----|<
16 * OUT3 ----------+-|-|-|--|-----------|D3 Q3|-----|<
17 * OUT4 --------+-|-|-|-|--|-----------|D4 Q4|-----|<
18 * OUT5 ------+-|-|-|-|-|--|-----------|D5 Q5|-----|<
19 * OUT6 ----+-|-|-|-|-|-|--|-----------|D6 Q6|-----|<
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/linux/arch/arm/boot/dts/ti/omap/
H A Domap3-n950-n9.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * omap3-n950-n9.dtsi - Device Tree file for Nokia N950 & N9 (common stuff)
13 cpu0-supply = <&vcc>;
23 compatible = "regulator-fixed";
24 regulator-name = "VEMMC";
25 regulator-min-microvolt = <2900000>;
26 regulator-max-microvolt = <2900000>;
28 startup-delay-us = <150>;
29 enable-active-high;
33 compatible = "regulator-fixed";
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/linux/kernel/time/
H A Dsched_clock.c1 // SPDX-License-Identifier: GPL-2.0
4 * counters to full 64-bit ns values.
14 #include <linux/sched/clock.h>
24 * struct clock_data - all data needed for sched_clock() (including
25 * registration of a new clock source)
30 * @wrap_kt: Duration for which clock can run before wrapping.
31 * @rate: Tick rate of the registered clock.
32 * @actual_read_sched_clock: Registered hardware level clock read function.
36 * into a single 64-byte cache line.
48 static int irqtime = -1;
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H A Dntp.c1 // SPDX-License-Identifier: GPL-2.0
27 * struct ntp_data - Structure holding all NTP related state
31 * @time_state: State of the clock synchronization
32 * @time_status: Clock status bits
41 * @ntp_tick_adj: Constant boot-param configurable NTP tick adjustment (upscaled)
48 * @pps_shift: PPS current interval duration in seconds (shift value)
50 * @pps_freq: PPS frequency offset in scaled ns/s
51 * @pps_stabil: PPS current stability in scaled ns/s
91 [ 0 ... TIMEKEEPERS_MAX - 1 ] = {
111 * The following variables are used when a pulse-per-second (PPS) signal
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/linux/drivers/media/i2c/cx25840/
H A Dcx25840-ir.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <media/drv-intf/cx25840.h>
14 #include <media/rc-core.h>
16 #include "cx25840-core.h"
117 return state ? state->ir_state : NULL; in to_ir_state()
122 * Rx and Tx Clock Divider register computations
124 * Note the largest clock divider value of 0xffff corresponds to:
125 * (0xffff + 1) * 1000 / 108/2 MHz = 1,213,629.629... ns
135 d--; in count_to_clock_divider()
161 * 0xffff * 1000 / 108/2 MHz = 1,213,611.11... ns
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/linux/drivers/media/pci/cx23885/
H A Dcx23888-ir.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include "cx23888-ir.h"
16 #include <media/v4l2-device.h>
17 #include <media/rc-core.h>
161 * Rx and Tx Clock Divider register computations
163 * Note the largest clock divider value of 0xffff corresponds to:
164 * (0xffff + 1) * 1000 / 108/2 MHz = 1,213,629.629... ns
174 d--; in count_to_clock_divider()
200 * 0xffff * 1000 / 108/2 MHz = 1,213,611.11... ns
212 static inline u16 ns_to_lpf_count(unsigned int ns) in ns_to_lpf_count() argument
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/linux/drivers/cpufreq/
H A Dsa1110-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-sa1100/cpu-sa1110.c
8 * 7 - SDRAM auto-power-up failure (rev A0)
9 * 13 - Corruption of internal register reads/writes following
25 #include <asm/mach-types.h>
36 u_char tck; /* clock cycle time (ns) */
37 u_char trcd; /* activate to r/w (ns) */
38 u_char trp; /* precharge to activate (ns) */
39 u_char twr; /* write recovery time (ns) */
51 .name = "TC59SM716-CL2",
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/linux/drivers/net/fddi/skfp/
H A Dhwt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
20 * 28-Jun-1994 sw Edit v1.6.
21 * MCA: Added support for the SK-NET FDDI-FM2 adapter. The
33 /* 28-Jun-1994 sw - Note: hwt_restart() is also used in module 'drvfbi.c'. */
40 * Start hardware timer (clock ticks are 16us).
46 * smc - A pointer to the SMT Context structure.
48 * time - The time in units of 16us to load the timer with.
62 smc->hw.t_start = time ; in hwt_start()
63 smc->hw.t_stop = 0L ; in hwt_start()
76 smc->hw.timer_activ = TRUE ; in hwt_start()
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/linux/include/uapi/linux/
H A Dtimex.h28 * Added defines for hybrid phase/frequency-lock loop.
32 * defines for PPS phase-lock loop.
35 * Revised status codes and structures for external clock and PPS
46 * 1995-08-13 Torsten Duwe
47 * kernel PLL updated to 1994-12-13 specs (rfc-1589)
48 * 1997-08-30 Ulrich Windl
50 * 2004-08-12 Christoph Lameter
62 * syscall interface - used (mainly by NTP daemon)
63 * to discipline kernel clock oscillator
71 int status; /* clock command/status */
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/linux/tools/tracing/rtla/src/
H A Dtimerlat_aa.c1 // SPDX-License-Identifier: GPL-2.0
23 * Per-cpu data statistics and data.
64 * If now - timestamp is <= latency, it might have influenced
135 * timerlat_aa_get_data - Get the per-cpu data from the timerlat context
140 return &taa_ctx->taa_data[cpu]; in timerlat_aa_get_data()
144 * timerlat_aa_irq_latency - Handles timerlat IRQ event
154 taa_data->curr_state = TIMERLAT_WAITING_THREAD; in timerlat_aa_irq_latency()
155 taa_data->tlat_irq_timstamp = record->ts; in timerlat_aa_irq_latency()
160 taa_data->thread_nmi_sum = 0; in timerlat_aa_irq_latency()
161 taa_data->thread_irq_sum = 0; in timerlat_aa_irq_latency()
[all …]
/linux/tools/perf/trace/beauty/include/uapi/sound/
H A Dasound.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Advanced Linux Sound Architecture - ALSA - Driver
4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
5 * Abramo Bagnara <abramo@alsa-project.org>
54 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
63 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
68 * Section for driver hardware dependent interface - /dev/snd/hw? *
91 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
118 unsigned int version; /* R: driver-specific version */
119 unsigned char id[32]; /* R: driver-specific ID string */
[all …]
/linux/tools/include/uapi/sound/
H A Dasound.h
/linux/drivers/net/ethernet/mellanox/mlx5/core/lib/
H A Dclock.c14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
37 #include <rdma/mlx5-abi.h>
40 #include "clock.h"
78 MLX5_MTUTC_OPERATION_ADJUST_TIME_EXTENDED_MIN = -200000,
90 struct mlx5_clock clock; member
96 static struct mlx5_clock_priv *clock_priv(struct mlx5_clock *clock) in clock_priv() argument
98 return container_of(clock, struct mlx5_clock_priv, clock); in clock_priv()
101 static void mlx5_clock_lockdep_assert(struct mlx5_clock *clock) in mlx5_clock_lockdep_assert() argument
103 if (!clock->shared) in mlx5_clock_lockdep_assert()
[all …]
/linux/drivers/i2c/busses/
H A Di2c-keba.c1 // SPDX-License-Identifier: GPL-2.0
14 #define KI2C "i2c-keba"
77 ret = readb_poll_timeout(ki2c->base + KI2C_STATUS_REG, in ki2c_inuse_lock()
81 dev_err(&ki2c->auxdev->auxdev.dev, "%s err!\n", __func__); in ki2c_inuse_lock()
89 iowrite8(KI2C_STATUS_IN_USE, ki2c->base + KI2C_STATUS_REG); in ki2c_inuse_unlock()
102 return ki2c_wait_for_bit(ki2c->base + KI2C_STATUS_REG, KI2C_STATUS_MCF, in ki2c_wait_for_mcf()
103 ki2c->adapter.timeout); in ki2c_wait_for_mcf()
114 return ki2c_wait_for_bit(ki2c->base + KI2C_STATUS_REG, in ki2c_wait_for_data()
116 ki2c->adapter.timeout); in ki2c_wait_for_data()
129 reg = ioread8(ki2c->base + KI2C_STATUS_REG); in ki2c_wait_for_data_ack()
[all …]
/linux/Documentation/devicetree/bindings/opp/
H A Dopp-v2-base.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-base.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
25 pattern: '^opp-table(-[a-z0-9]+)?$'
27 opp-shared:
30 their DVFS state together, i.e. they share clock/voltage/current lines.
31 Missing property means devices have independent clock/voltage/current
[all …]
/linux/drivers/net/dsa/sja1105/
H A Dsja1105_tas.c1 // SPDX-License-Identifier: GPL-2.0
10 #define SJA1105_GATE_MASK GENMASK_ULL(SJA1105_NUM_TC - 1, 0)
19 struct sja1105_tas_data *tas_data = &priv->tas_data; in sja1105_tas_set_runtime_params()
20 struct sja1105_gating_config *gating_cfg = &tas_data->gating_cfg; in sja1105_tas_set_runtime_params()
21 struct dsa_switch *ds = priv->ds; in sja1105_tas_set_runtime_params()
28 tas_data->enabled = false; in sja1105_tas_set_runtime_params()
30 for (port = 0; port < ds->num_ports; port++) { in sja1105_tas_set_runtime_params()
33 offload = tas_data->offload[port]; in sja1105_tas_set_runtime_params()
37 tas_data->enabled = true; in sja1105_tas_set_runtime_params()
39 if (max_cycle_time < offload->cycle_time) in sja1105_tas_set_runtime_params()
[all …]
/linux/tools/testing/selftests/net/forwarding/
H A Dtc_taprio.sh2 # SPDX-License-Identifier: GPL-2.0
131 # Set up TC 5, 6, 7 for SO_TXTIME. tc-mqprio queues count from 1.
159 sched-entry S $(printf "%x" $ALL_GATES) $GATE_DURATION_NS \
160 sched-entry S $(printf "%x" $((ALL_GATES & ~(1 << STREAM_PRIO_2)))) $GATE_DURATION_NS \
161 base-time 0 flags 0x2 $extra_args
190 isochron report --input-file "$isochron_dat" \
191 --printf-format "pdelay[%u] = %d - %d\n" \
192 --printf-args "qRT" \
194 cat <<-'EOF' > isochron_postprocess.py
205 log_info "Path delay from $h1 to $h2 estimated at $path_delay ns"
[all …]
/linux/kernel/rcu/
H A Drefscale.c1 // SPDX-License-Identifier: GPL-2.0+
39 #include <linux/sched/clock.h>
43 #define SCALE_FLAG "-ref-scale: "
79 // Number of seconds to extend warm-up and cool-down for multiple guest OSes
81 "Number of seconds to extend warm-up/cool-dow
892 s64 duration; ref_scale_reader() local
[all...]
/linux/kernel/
H A Dwatchdog.c1 // SPDX-License-Identifier: GPL-2.0
9 * Some chunks also taken from the old x86-specific nmi watchdog code, thanks
29 #include <linux/sched/clock.h>
63 * Should we panic when a soft-lockup or hard-lockup occurs:
205 * Prevent multiple hard-lockup reports if one cpu is already in watchdog_hardlockup_check()
270 * Watchdog-detector specific API.
278 return -ENODEV; in watchdog_hardlockup_probe()
282 * watchdog_hardlockup_stop - Stop the watchdog for reconfiguration
292 * watchdog_hardlockup_start - Start the watchdog after reconfiguration
298 * - watchdog_enabled
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/linux/drivers/net/wireless/ath/ath5k/
H A Dreg.h2 * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
3 * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
4 * Copyright (c) 2007-2008 Michael Taylor <mike.taylor@apprion.com>
28 * 5210 - http://nova.stanford.edu/~bbaas/ps/isscc2002_slides.pdf
30 * 5211 - http://www.hotchips.org/archives/hc14/3_Tue/16_mcfarland.pdf
33 * Atheros's ART program (Atheros Radio Test), on ath9k, on legacy-hal
42 * AR5210-Specific TXDP registers
46 #define AR5K_NOQCU_TXDP0 0x0000 /* Queue 0 - data */
47 #define AR5K_NOQCU_TXDP1 0x0004 /* Queue 1 - beacons */
70 #define AR5K_CFG_SWTD 0x00000001 /* Byte-swap TX descriptor (for big endian archs) */
[all …]
/linux/drivers/mtd/nand/raw/
H A Dmarvell_nand.c1 // SPDX-License-Identifier: GPL-2.0
6 * Author: Miquel RAYNAL <miquel.raynal@free-electrons.com>
17 * The ECC layouts are depicted in details in Marvell AN-379, but here
28 * +-------------------------------------------------------------+
30 * +-------------------------------------------------------------+
39 * +-----------------------------------------
41 * +-----------------------------------------
43 * -------------------------------------------
45 * -------------------------------------------
47 * --------------------------------------------+
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/linux/include/uapi/scsi/fc/
H A Dfc_els.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 * Maintained at www.Open-FCoE.org
21 * Fibre Channel Switch - Enhanced Link Services definitions.
22 * From T11 FC-LS Rev 1.2 June 7, 2005.
26 * ELS Command codes - byte 0 of the frame payload
34 ELS_ABTX = 0x06, /* Abort exchange - obsolet
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