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/openbmc/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:
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/openbmc/linux/include/linux/mfd/wm8994/
H A Dpdata.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
39 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
49 * rate and set of values to write (the enable bits will be ignored).
52 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
56 unsigned int rate; member
64 * WISCE - see http://www.wolfsonmicro.com/wisce/
78 * multiband compressor configuration panel in WISCE - see
89 * multiband compressor configuration panel in WISCE - see
100 * the multiband compressor configuration panel in WISCE - see
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/openbmc/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: 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>;
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/openbmc/u-boot/cmd/aspeed/
H A Dplltest.c9 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <clk-uclass.h>
30 #include <dt-bindings/clock/ast2600-clock.h>
33 #include <dt-bindings/clock/ast2600-clock.h>
37 /* ------------------------------------------------------------------------- */
63 // printf("pll rate : %ld \n", pll_rate); in cal_ast2600_28nm_pll_rate()
65 ulCounter = (pll_rate/1000) * 512 / 25000 - 1; in cal_ast2600_28nm_pll_rate()
66 ulLowLimit = ulCounter * (100 - ulErrRate) / 100; in cal_ast2600_28nm_pll_rate()
81 printf("Fre Count Eng No idle %x\n", ulData); in cal_ast2600_28nm_pll_rate()
86 //4. Delay 1ms in cal_ast2600_28nm_pll_rate()
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/openbmc/linux/include/sound/sof/
H A Ddai-intel.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
49 /* bclk idle */
61 /* SSP Configuration Request - SOF_IPC_DAI_SSP_CONFIG */
88 uint32_t bclk_delay; /* guaranteed time (ms) for which BCLK
93 /* HDA Configuration Request - SOF_IPC_DAI_HDA_CONFIG */
97 uint32_t rate; member
101 /* ALH Configuration Request - SOF_IPC_DAI_ALH_CONFIG */
105 uint32_t rate; member
112 /* DMIC Configuration Request - SOF_IPC_DAI_DMIC_CONFIG */
155 * range 1.0 - 3.2 MHz is usually supported microphones. Some microphones are
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/openbmc/linux/Documentation/accounting/
H A Dpsi.rst4 PSI - Pressure Stall Information
14 either play it safe and under-utilize their hardware resources, or
23 scarcity aids users in sizing workloads to hardware--or provisioning
38 respective file in /proc/pressure/ -- cpu, memory, and io.
48 The "full" line indicates the share of time in which all non-idle
74 time window, e.g. 100ms of total stall time within any 500ms window to
86 would add 150ms threshold for partial memory stall measured within
88 would add 50ms threshold for full io stall measured within 1sec time window.
99 in the stall state psi signal growth is monitored at a rate of 10 times per
102 The kernel accepts window sizes ranging from 500ms to 10s, therefore min
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/openbmc/linux/tools/include/uapi/linux/
H A Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
12 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
39 __u32 bps; /* Current flow byte rate */
40 __u32 pps; /* Current flow packet rate */
51 ---------
96 __u32 rate; member
119 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
130 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
149 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
173 * command is received (just act as a pass-thru queue).
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/openbmc/linux/drivers/scsi/
H A Dmesh.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * SCSI low-level driver for the MESH (Macintosh Enhanced SCSI Hardware)
5 * We assume the MESH is connected to a DBDMA (descriptor-based DMA)
11 * Apr. 21 2002 - BenH Rework bus reset code for new error handler
15 * Sep. 27 2003 - BenH Move to new driver model, fix some write posting
18 * - handle aborts correctly
19 * - retry arbitration if lost (unless higher levels do this for us)
20 * - power down the chip when no device is detected
68 MODULE_PARM_DESC(sync_rate, "Synchronous rate (0..10, 0=async)");
85 #define DEBUG_TARGET(cmd) ((cmd) && ALLOW_DEBUG((cmd)->device->id))
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/openbmc/linux/Documentation/RCU/
H A Dstallwarn.rst1 .. SPDX-License-Identifier: GPL-2.0
9 options that can be used to fine-tune the detector's operation. Finally,
20 - A CPU looping in an RCU read-side critical section.
22 - A CPU looping with interrupts disabled.
24 - A CPU looping with preemption disabled.
26 - A CPU looping with bottom halves disabled.
28 - For !CONFIG_PREEMPTION kernels, a CPU looping anywhere in the
33 - Booting Linux using a console connection that is too slow to
34 keep up with the boot-time console-message rate. For example,
36 with boot-time message rates, and will frequently result in
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/openbmc/linux/Documentation/leds/
H A Dleds-qcom-lpg.rst1 .. SPDX-License-Identifier: GPL-2.0
8 -----------
23 deeper idle states the LPG provides pattern support. This consists of a shared
25 range within the table to use, the rate and if the pattern should repeat.
31 --------------------------------
35 The pattern is a series of brightness and hold-time pairs, with the hold-time
39 transitions expected by the leds-trigger-pattern format, each entry in the
40 pattern must be followed a zero-length entry of the same brightness.
48 255 +----+ +----+
50 0 | +----+ +----
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/openbmc/linux/include/uapi/linux/
H A Dpkt_sched.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
13 with obsolete IPv6 values is not occasional :-). New IPv6 drafts
40 __u32 bps; /* Current flow byte rate */
41 __u32 pps; /* Current flow packet rate */
52 ---------
97 __u32 rate; member
120 #define TCA_STAB_MAX (__TCA_STAB_MAX - 1)
131 * Priorities go from zero to (SKBPRIO_MAX_PRIORITY - 1).
150 __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
174 * command is received (just act as a pass-thru queue).
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/openbmc/linux/drivers/clocksource/
H A Dtimer-ti-dm-systimer.c1 // SPDX-License-Identifier: GPL-2.0+
15 #include <linux/clk/clk-conf.h>
17 #include <clocksource/timer-ti-dm.h>
18 #include <dt-bindings/bus/ti-sysc.h>
20 /* For type1, set SYSC_OMAP2_CLOCKACTIVITY for fck off on idle, l4 clock on */
50 unsigned long rate; member
68 u32 tidr = readl_relaxed(t->base); in dmtimer_systimer_revision1()
82 writel_relaxed(val, t->base + t->sysc); in dmtimer_systimer_enable()
90 writel_relaxed(DMTIMER_TYPE1_DISABLE, t->base + t->sysc); in dmtimer_systimer_disable()
95 void __iomem *syss = t->base + OMAP_TIMER_V1_SYS_STAT_OFFSET; in dmtimer_systimer_type1_reset()
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/openbmc/linux/drivers/input/touchscreen/
H A Diqs7211.c1 // SPDX-License-Identifier: GPL-2.0-or-later
52 * The following delay is used during instances that must wait for the open-
124 .name = "event-prox",
131 .name = "event-touch",
138 .name = "event-tap",
145 .name = "event-hold",
152 .name = "event-swipe-x-neg",
159 .name = "event-swipe-x-pos",
166 .name = "event-swipe-y-pos",
173 .name = "event-swipe-y-neg",
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/openbmc/linux/drivers/gpu/drm/panel/
H A Dpanel-novatek-nt35510.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * per-panel, e.g. for physical size.
128 * struct nt35510_config - the display-specific NT35510 configuration
131 * A = normal / idle off mode
132 * B = idle on mode
133 * C = partial / idle off mode
154 * +------------------------------------------->
180 * @bt1ctr: setting for boost power control for the AVDD step-up
183 * frequency for the step-up circuit:
193 * amplification for the step-up circuit:
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/openbmc/linux/net/ipv4/
H A Dtcp_bbr.c3 * BBR congestion control computes the sending rate based on the delivery
4 * rate (throughput) estimated from ACKs. In a nutshell:
14 * observed, or adjust the sending rate if it estimates there is a
15 * traffic policer, in order to keep the drop rate reasonable.
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.
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H A Dtcp_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * "CUBIC: A New TCP-Friendly High-Speed TCP Variant"
45 #define HYSTART_DELAY_MIN (4000U) /* 4 ms */
46 #define HYSTART_DELAY_MAX (16000U) /* 16 ms */
64 /* Note parameters that are used for precomputing scale factors are read-only */
79 " 1: packet-train 2: delay 3: both packet-train and delay");
110 ca->found = 0; in bictcp_reset()
115 return tcp_sk(sk)->tcp_mstamp; in bictcp_clock_us()
123 ca->round_start = ca->last_ack = bictcp_clock_us(sk); in bictcp_hystart_reset()
124 ca->end_seq = tp->snd_nxt; in bictcp_hystart_reset()
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/openbmc/linux/drivers/cpufreq/
H A Dcpufreq_governor.c1 // SPDX-License-Identifier: GPL-2.0-only
30 * sampling_rate_store - update sampling rate effective immediately if needed.
32 * If new rate is smaller than the old, simply updating
34 * original sampling_rate was 1 second and the requested new sampling rate is 10
35 * ms because the user needs immediate reaction from ondemand governor, but not
37 * change the sampling rate too late; up to 1 second later. Thus, if we are
38 * reducing the sampling rate, we need to make the new value effective
41 * This must be called with dbs_data->mutex held, otherwise traversing
54 return -EINVAL; in sampling_rate_store()
56 dbs_data->sampling_rate = sampling_interval; in sampling_rate_store()
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/openbmc/linux/drivers/net/wireless/ti/wlcore/
H A Dconf.h1 /* SPDX-License-Identifier: GPL-2.0-only */
117 * Range: 0 - 0xFFFFFFFF
130 * after a PS-poll has been transmitted.
132 * Range: 0 - 200000
139 * Range: 0 - 200000
147 * Range: 0 - 4096
161 * Occupied Rx mem-blocks number which requires interrupting the host
177 * Max time in msec the FW may delay RX-Complete interrupt.
179 * Range: 1 - 100
203 * of the 22Mbps rate. There is a FW limitation on 12 rates so we must drop
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/openbmc/linux/drivers/input/mouse/
H A Dcyapa.c9 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
10 * Copyright (C) 2011-2012 Google, Inc.
46 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL) in cyapa_is_pip_bl_mode()
49 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL) in cyapa_is_pip_bl_mode()
57 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_APP) in cyapa_is_pip_app_mode()
60 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP) in cyapa_is_pip_app_mode()
71 if (cyapa->gen == CYAPA_GEN3 && in cyapa_is_bootloader_mode()
72 cyapa->state >= CYAPA_STATE_BL_BUSY && in cyapa_is_bootloader_mode()
73 cyapa->state <= CYAPA_STATE_BL_ACTIVE) in cyapa_is_bootloader_mode()
84 if (cyapa->gen == CYAPA_GEN3 && cyapa->state == CYAPA_STATE_OP) in cyapa_is_operational_mode()
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H A Dcyapa_gen3.c9 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
10 * Copyright (C) 2011-2012 Google, Inc.
60 * Used in register 0x00, bit1-0, DeviceStatus field.
88 * bit 7 - 4: high 4 bits of x position value
89 * bit 3 - 0: high 4 bits of y position value
95 /* id range is 1 - 15. It is incremented with every new touch. */
101 * bit 0 - 1: device status
102 * bit 3 - 2: power mode
103 * bit 6 - 4: reserved
108 * bit 7 - 4: number of fingers currently touching pad
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/openbmc/linux/arch/arm/mach-omap2/
H A Dvc.c1 // SPDX-License-Identifier: GPL-2.0-only
19 #include "prm-regbits-34xx.h"
20 #include "prm-regbits-44xx.h"
52 * struct omap_vc_channel_cfg - describe the cfg_channel bitfield
101 * omap_vc_config_channel - configure VC channel to PMIC mappings
106 * - i2c slave address (SA)
107 * - voltage configuration address (RAV)
108 * - command configuration address (RAC) and enable bit (RACEN)
109 * - command values for ON, ONLP, RET and OFF (CMD)
112 * non-default channel. Starting with OMAP4, there are more than 2
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/openbmc/linux/drivers/peci/controller/
H A Dpeci-aspeed.c1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2012-2017 ASPEED Technology Inc.
3 // Copyright (c) 2018-2021 Intel Corporation
10 #include <linux/clk-provider.h>
144 u32 val = readl(priv->base + ASPEED_PECI_CTRL); in aspeed_peci_controller_enable()
149 writel(val, priv->base + ASPEED_PECI_CTRL); in aspeed_peci_controller_enable()
157 writel(ASPEED_PECI_INT_MASK, priv->base + ASPEED_PECI_INT_STS); in aspeed_peci_init_regs()
162 writel(val, priv->base + ASPEED_PECI_INT_CTRL); in aspeed_peci_init_regs()
165 writel(val, priv->base + ASPEED_PECI_CTRL); in aspeed_peci_init_regs()
170 u32 cmd_sts = readl(priv->base + ASPEED_PECI_CMD); in aspeed_peci_check_idle()
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/openbmc/linux/Documentation/scheduler/
H A Dschedutil.rst15 individual tasks to task-group slices to CPU runqueues. As the basis for this
17 is decayed such that y^32 = 0.5. That is, the most recent 32ms contribute
31 Note that blocked tasks still contribute to the aggregates (task-group slices
57 r_dvfs := -----
61 hardware counters (Intel APERF/MPERF, ARMv8.4-AMU) to provide us this ratio.
65 f_cur := ----- * P0
68 4C-turbo; if available and turbo enabled
69 f_max := { 1C-turbo; if turbo enabled
73 r_dvfs := min( 1, ----- )
88 - kernel/sched/pelt.h:update_rq_clock_pelt()
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/openbmc/linux/drivers/net/wireless/ath/ath9k/
H A Dar9003_phy.c2 * Copyright (c) 2010-2011 Atheros Communications Inc.
39 { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */
43 { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */
125 * ar9003_hw_set_channel - set channel on single-chip device
129 * This is the function to change channel on single-chip devices, that is
163 if (ah->is_clk_25mhz) in ar9003_hw_set_channel()
172 if (ah->is_clk_25mhz) { in ar9003_hw_set_channel()
187 ah->is_clk_25mhz) { in ar9003_hw_set_channel()
223 ah->curchan = chan; in ar9003_hw_set_channel()
229 * ar9003_hw_spur_mitigate_mrc_cck - convert baseband spur frequency
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/openbmc/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * "while (ca->ack_cnt > delta)" loop is changed to the equivalent
14 * "ca->ack_cnt / delta" operation.
37 #define HYSTART_DELAY_MIN (4000U) /* 4ms */
38 #define HYSTART_DELAY_MAX (16000U) /* 16 ms */
54 / (BICTCP_BETA_SCALE - beta);
55 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
56 * so K = cubic_root( (wmax-cwnd)*rtt/c )
60 * rtt = 100ms
65 * HZ < 1,000,00 (corresponding to 10 nano-second)
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