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/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dst,stm32-fmc2-ebi-props.yaml86 defined in nanoseconds from NBLx low to Chip Select NEx low.
90 phase in nanoseconds used for asynchronous read/write transactions.
94 phase in nanoseconds used for asynchronous multiplexed read/write
99 in nanoseconds used for asynchronous read/write transactions.
102 description: This property defines the delay in nanoseconds between the
107 in nanoseconds used for asynchronous read/write transactions.
111 nanoseconds.
115 writing the first data in nanoseconds.
119 phase in nanoseconds used for asynchronous write transactions.
123 phase in nanoseconds used for asynchronous multiplexed write
[all …]
H A Dingenic,nemc-peripherals.yaml24 description: Address setup time in nanoseconds.
28 description: Address hold time in nanoseconds.
32 description: Burst pitch time in nanoseconds.
36 description: Address wait time in nanoseconds.
40 description: Static memory recovery time in nanoseconds.
H A Drockchip,rk3399-dmc.yaml287 Configure the PD_IDLE value in nanoseconds. Defines the power-down idle
289 for PD_IDLE nanoseconds.
293 Configure the SR_IDLE value in nanoseconds. Defines the self-refresh idle
295 for SR_IDLE nanoseconds.
300 Defines the memory self-refresh and controller clock gating idle period in nanoseconds.
302 arg gating started if bus is idle for sr_mc_gate_idle nanoseconds.
308 srpd_lite_idle nanoseconds. This parameter is for LPDDR4 only.
314 if bus is idle for standby_idle nanoseconds.
/linux/include/linux/
H A Dtimecounter.h38 * struct timecounter - layer above a &struct cyclecounter which counts nanoseconds
53 * @frac: accumulated fractional nanoseconds
64 * cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds
68 * @frac: pointer to storage for the fractional nanoseconds.
70 * Returns: cycle counter cycles converted to nanoseconds
85 * @delta: Desired change in nanoseconds.
100 * the time stamp counter by the number of elapsed nanoseconds.
107 * timecounter_read - return nanoseconds elapsed since timecounter_init()
114 * Returns: nanoseconds since the initial time stamp
132 * Returns: cycle counter converted to nanoseconds since the initial time stamp
H A Dtimekeeping.h168 * ktime_get_ns - Get the current time in nanoseconds
170 * Returns: current time converted to nanoseconds
178 * ktime_get_real_ns - Get the current real/wall time in nanoseconds
180 * Returns: current real time converted to nanoseconds
188 * ktime_get_boottime_ns - Get the monotonic time since boot in nanoseconds
190 * Returns: current boottime converted to nanoseconds
198 * ktime_get_clocktai_ns - Get the current TAI time of day in nanoseconds
200 * Returns: current TAI time converted to nanoseconds
208 * ktime_get_raw_ns - Get the raw monotonic time in nanoseconds
210 * Returns: current raw monotonic time converted to nanoseconds
[all …]
H A Dclockchips.h80 * @shift: nanoseconds to cycles divisor (power of two)
162 * nanoseconds based values to clock ticks:
164 * clock_ticks = (nanoseconds * factor) >> shift.
167 * ticks / nanoseconds ratio:
169 * factor = (clock_ticks << shift) / nanoseconds
H A Dpwm.h69 * The unit for all three members is nanoseconds.
79 * @period: PWM period (in nanoseconds)
80 * @duty_cycle: PWM duty cycle (in nanoseconds)
241 * in nanoseconds), and puts the result in state->duty_cycle.
268 * @period: period of the PWM signal (in nanoseconds)
269 * @duty_cycle: duty cycle of the PWM signal (in nanoseconds)
398 * @duty_ns: "on" time (in nanoseconds)
399 * @period_ns: duration (in nanoseconds) of one cycle
/linux/Documentation/ABI/testing/
H A Ddebugfs-pcie-ptm5 (RO) PTM local clock in nanoseconds. Applicable for both Root
12 (RO) PTM master clock in nanoseconds. Applicable only for
19 (RO) PTM T1 timestamp in nanoseconds. Applicable only for
26 (RO) PTM T2 timestamp in nanoseconds. Applicable only for
33 (RO) PTM T3 timestamp in nanoseconds. Applicable only for
40 (RO) PTM T4 timestamp in nanoseconds. Applicable only for
H A Dsysfs-firmware-acpi12 of firmware image execution. In nanoseconds.
15 In nanoseconds.
18 image. In nanoseconds.
22 firmware. In nanoseconds.
26 UEFI compatible firmware. In nanoseconds.
30 nanoseconds.
33 hardware entry to S3. In nanoseconds.
39 including the most recent resume. In nanoseconds.
42 handoff to the OS waking vector. In nanoseconds.
H A Dsysfs-ptp122 and nanoseconds.
131 seconds, start time nanoseconds, period seconds, and
132 period nanoseconds. To disable a periodic output, set
133 all the seconds and nanoseconds values to zero.
H A Dsysfs-class-scsi_tape21 closed. This item is measured in nanoseconds.
64 Shows the total amount of time in nanoseconds waiting for
95 Shows the total amount of time in nanoseconds waiting for
/linux/include/net/tc_act/
H A Dtc_police.h76 * "rate" bytes "burst" nanoseconds in tcf_police_burst()
81 * NSEC_PER_SEC nanoseconds in tcf_police_burst()
85 * "rate" bytes "burst" nanoseconds 2^6 ticks in tcf_police_burst()
87 * 1 second 2^6 ticks NSEC_PER_SEC nanoseconds in tcf_police_burst()
124 * "rate" pkts "burst" nanoseconds in tcf_police_burst_pkt()
129 * NSEC_PER_SEC nanoseconds in tcf_police_burst_pkt()
133 * "rate" pkts "burst" nanoseconds 2^6 ticks in tcf_police_burst_pkt()
135 * 1 second 2^6 ticks NSEC_PER_SEC nanoseconds in tcf_police_burst_pkt()
/linux/Documentation/devicetree/bindings/spi/
H A Dcdns,qspi-nor-peripheral-props.yaml24 Delay in nanoseconds for the length that the master mode chip select
29 Delay in nanoseconds between one chip select being de-activated
34 Delay in nanoseconds between last bit of current transaction and
39 Delay in nanoseconds between setting qspi_n_ss_out low and
H A Dspi-peripheral-props.yaml50 Delay in nanoseconds to be introduced by the controller after CS is
55 Delay in nanoseconds to be introduced by the controller before CS is
60 Delay in nanoseconds to be introduced by the controller after CS is
76 description: SPI Rx sample delay offset, unit is nanoseconds.
120 delay in nanoseconds inserted between two consecutive data frames.
H A Dfsl,dspi-peripheral-props.yaml19 Delay in nanoseconds between activating chip select and the start of
26 Delay in nanoseconds between stopping the clock signal and
/linux/include/linux/sched/
H A Dtypes.h9 * @stime: time spent in kernel mode, in nanoseconds
10 * @utime: time spent in user mode, in nanoseconds
11 * @sum_exec_runtime: total time spent on the CPU, in nanoseconds
/linux/drivers/net/ethernet/intel/iavf/
H A Diavf_ptp.c261 * nanoseconds. Timestamp extension allows calculating the corrected 64bit
430 * iavf_ptp_extend_32b_timestamp - Convert a 32b nanoseconds timestamp to 64b
431 * nanoseconds
433 * @in_tstamp: Ingress/egress 32b nanoseconds timestamp value
436 * nanoseconds, as opposed to the 64bit timestamps that the stack expects.
442 * 2) assume that the in_tstamp was captured 2^31 nanoseconds (~2.1
445 * 4) if the delta is smaller than 2^31 nanoseconds, then the timestamp was
448 * 5) otherwise, if the delta is larger than 2^31 nanoseconds, then the
458 * date. If the timestamp was captured more than 2^31 nanoseconds after the
/linux/arch/powerpc/boot/
H A Dutil.S22 * timebase in nanoseconds. This used to be hardcoded to be 60ns
40 mulli r4,r3,1000 /* nanoseconds */
42 * (nanoseconds + (timebase_period_ns - 1 )) / timebase_period_ns
/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_ptp.c19 * nanoseconds the cyclecounter and timecounter structures are
84 * which contain measurements of seconds and nanoseconds respectively. This
89 * represents units of 2^-32 nanoseconds, and uses 31 bits for this, with the
92 * of 12 to 13 nanoseconds adjustment. Unlike the 82599 and X540 devices, the
103 * seconds, 32 bits for nanoseconds (largest value is 0d999999999 or just under
129 * 12.5 nanoseconds. This means that the Max ppb is 39999999
131 * register can only hold slightly under 0.5 nanoseconds.
140 * proper mult and shift to convert the cycles into nanoseconds of time.
207 /* Figure out how many nanoseconds to add to round the clock edge up in ixgbe_ptp_setup_sdp_X540()
290 /* Figure out how many nanoseconds to add to round the clock edge up in ixgbe_ptp_setup_sdp_X550()
[all …]
/linux/kernel/time/
H A Dtimecounter.c21 * timecounter_read_delta - get nanoseconds since last call of this function
42 /* convert to nanoseconds: */ in timecounter_read_delta()
56 /* increment time by nanoseconds since last call */ in timecounter_read()
/linux/include/asm-generic/
H A Ddelay.h19 * constant microseconds/nanoseconds value to a value which can be used by the
69 * ndelay - Inserting a delay based on nanoseconds with busy waiting
70 * @nsec: requested delay in nanoseconds
/linux/Documentation/block/
H A Dkyber-iosched.rst11 Target latency for reads (in nanoseconds).
15 Target latency for synchronous writes (in nanoseconds).
/linux/Documentation/virt/kvm/x86/
H A Dmsr.rst48 number of nanoseconds for wallclock at time of boot.
100 nanoseconds.
104 tsc-related quantity to nanoseconds
108 quantity to nanoseconds. This shift will ensure that
113 The conversion from tsc to nanoseconds involves an additional
297 nanoseconds. Time during which the vcpu is idle, will not be
/linux/Documentation/devicetree/bindings/i2c/
H A Di2c-rk3x.yaml88 Number of nanoseconds the SCL signal takes to rise
96 Number of nanoseconds the SCL signal takes to fall
104 Number of nanoseconds the SDA signal takes to fall
/linux/rust/kernel/
H A Dtime.rs29 /// The number of nanoseconds per microsecond.
32 /// The number of nanoseconds per millisecond.
35 /// The number of nanoseconds per second.
162 /// This struct represents a span of time, with its value stored as nanoseconds.
222 /// Return the number of nanoseconds in the [`Delta`].

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