| /Linux-v5.15/Documentation/devicetree/bindings/mfd/ |
| D | max77693.txt | 1 Maxim MAX77693 multi-function device
4 - PMIC,
5 - CHARGER,
6 - LED,
7 - MUIC,
8 - HAPTIC
14 - compatible : Must be "maxim,max77693".
15 - reg : Specifies the i2c slave address of PMIC block.
16 - interrupts : This i2c device has an IRQ line connected to the main SoC.
19 - regulators : The regulators of max77693 have to be instantiated under subnode
[all …]
|
| D | stericsson,db8500-prcmu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/stericsson,db8500-prcmu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ST-Ericsson DB8500 PRCMU - Power Reset and Control Management Unit
10 - Linus Walleij <linus.walleij@linaro.org>
13 The DB8500 Power Reset and Control Management Unit is an XP70 8-bit
14 microprocessor that is embedded in the always-on power domain of the
15 DB8500 SoCs to manage the low power states, powering up and down parts
20 pattern: '^prcmu@[0-9a-f]+$'
[all …]
|
| /Linux-v5.15/arch/x86/kvm/mmu/ |
| D | tdp_iter.c | 1 // SPDX-License-Identifier: GPL-2.0
13 iter->sptep = iter->pt_path[iter->level - 1] + in tdp_iter_refresh_sptep()
14 SHADOW_PT_INDEX(iter->gfn << PAGE_SHIFT, iter->level); in tdp_iter_refresh_sptep()
15 iter->old_spte = READ_ONCE(*rcu_dereference(iter->sptep)); in tdp_iter_refresh_sptep()
20 return gfn & -KVM_PAGES_PER_HPAGE(level); in round_gfn_for_level()
29 iter->yielded_gfn = iter->next_last_level_gfn; in tdp_iter_restart()
30 iter->level = iter->root_level; in tdp_iter_restart()
32 iter->gfn = round_gfn_for_level(iter->next_last_level_gfn, iter->level); in tdp_iter_restart()
35 iter->valid = true; in tdp_iter_restart()
39 * Sets a TDP iterator to walk a pre-order traversal of the paging structure
[all …]
|
| /Linux-v5.15/sound/soc/fsl/ |
| D | fsl_audmix.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 #define FSL_AUDMIX_ATSTPUP0 0x210 /* Attenuation step up factor */
21 #define FSL_AUDMIX_ATSTPDN0 0x214 /* Attenuation step down factor */
22 #define FSL_AUDMIX_ATSTPTGT0 0x218 /* Attenuation step target */
24 #define FSL_AUDMIX_ATSTP0 0x220 /* Attenuation step number */
28 #define FSL_AUDMIX_ATSTPUP1 0x230 /* Attenuation step up factor */
29 #define FSL_AUDMIX_ATSTPDN1 0x234 /* Attenuation step down factor */
30 #define FSL_AUDMIX_ATSTPTGT1 0x238 /* Attenuation step target */
32 #define FSL_AUDMIX_ATSTP1 0x240 /* Attenuation step number */
79 /* AUDMIX Attenuation Step Up Factor Register */
[all …]
|
| /Linux-v5.15/Documentation/devicetree/bindings/sound/ |
| D | cs35l33.txt | 5 - compatible : "cirrus,cs35l33"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
15 - reset-gpios : gpio used to reset the amplifier
17 - interrupts : IRQ line info CS35L33.
18 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - cirrus,boost-ctl : Booster voltage use to supply the amp. If the value is
23 a value of 1 and will increase at a step size of 100mV until a maximum of
26 - cirrus,ramp-rate : On power up, it affects the time from when the power
27 up sequence begins to the time the audio reaches a full-scale output.
[all …]
|
| /Linux-v5.15/drivers/regulator/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
38 managed regulators and simple non-configurable regulators.
65 They provide two I2C-controlled DC/DC step-down converters with
85 tristate "Active-semi act8865 voltage regulator"
90 This driver controls a active-semi act8865 voltage output
94 tristate "Active-semi ACT8945A voltage regulator"
97 This driver controls a active-semi ACT8945A voltage regulator
98 via I2C bus. The ACT8945A features three step-down DC/DC converters
99 and four low-dropout linear regulators, along with a ActivePath
110 tristate "Freescale i.MX on-chip ANATOP LDO regulators"
[all …]
|
| /Linux-v5.15/drivers/staging/sm750fb/ |
| D | ddk750_sii164.c | 1 // SPDX-License-Identifier: GPL-2.0
79 * edge_select - Edge Select:
84 * bus_select - Input Bus Select:
85 * 0 = Input data bus is 12-bits wide
86 * 1 = Input data bus is 24-bits wide
87 * dual_edge_clk_select - Dual Edge Clock Select
90 * hsync_enable - Horizontal Sync Enable:
93 * vsync_enable - Vertical Sync Enable:
96 * deskew_enable - De-skewing Enable:
97 * 0 = De-skew disabled
[all …]
|
| /Linux-v5.15/drivers/pinctrl/mediatek/ |
| D | pinctrl-mtk-common.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <linux/pinctrl/pinconf-generic.h>
14 #include "mtk-eint.h"
61 #define SET_ADDR(x, y) (x + (y->devdata->port_align))
62 #define CLR_ADDR(x, y) (x + (y->devdata->port_align << 1))
71 * struct mtk_drv_group_desc - Provide driving group data.
76 * @step: The step current of this group.
83 unsigned char step; member
92 .step = _step, \
96 * struct mtk_pin_drv_grp - Provide each pin driving info.
[all …]
|
| /Linux-v5.15/block/ |
| D | blk-wbt.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * - Monitor latencies in a defined window of time.
7 * - If the minimum latency in the above window exceeds some target, increment
8 * scaling step and scale down queue depth by a factor of 2x. The monitoring
9 * window is then shrunk to 100 / sqrt(scaling step + 1).
10 * - For any window where we don't have solid data on what the latencies
12 * - If latencies look good, decrement scaling step.
13 * - If we're only doing writes, allow the scaling step to go negative. This
15 * scaling step of 0 if reads show up or the heavy writers finish. Unlike
17 * scaling step retains the default step==0 window size.
[all …]
|
| /Linux-v5.15/drivers/clk/tegra/ |
| D | cvb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved.
20 mv = DIV_ROUND_CLOSEST(cvb->c2 * speedo, s_scale); in get_cvb_voltage()
21 mv = DIV_ROUND_CLOSEST((mv + cvb->c1) * speedo, s_scale) + cvb->c0; in get_cvb_voltage()
28 /* combined: apply voltage scale and round to cvb alignment step */ in round_cvb_voltage()
30 int step = (align->step_uv ? : 1000) * v_scale; in round_cvb_voltage() local
31 int offset = align->offset_uv * v_scale; in round_cvb_voltage()
33 uv = max(mv * 1000, offset) - offset; in round_cvb_voltage()
34 uv = DIV_ROUND_UP(uv, step) * align->step_uv + align->offset_uv; in round_cvb_voltage()
39 DOWN, enumerator
[all …]
|
| /Linux-v5.15/Documentation/devicetree/bindings/leds/ |
| D | leds-is31fl319x.txt | 4 - compatible : Should be any of
10 "si-en,sn3199".
11 - #address-cells: Must be 1.
12 - #size-cells: Must be 0.
13 - reg: 0x64, 0x65, 0x66, or 0x67.
16 - audio-gain-db : audio gain selection for external analog modulation input.
17 Valid values: 0 - 21, step by 3 (rounded down)
19 - shutdown-gpios : Specifier of the GPIO connected to SDB pin of the chip.
21 Each led is represented as a sub-node of the issi,is31fl319x device.
24 Required led sub-node properties:
[all …]
|
| /Linux-v5.15/Documentation/core-api/ |
| D | cpu_hotplug.rst | 26 A more novel use of CPU-hotplug support is its use today in suspend resume
27 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
73 interrupts from devices. Its cleared when a CPU is brought down using
81 from the map depending on the event is hot-add/hot-remove. There are currently
86 be read-only for most use. When setting up per-cpu resources almost always use
100 $ ls -lh /sys/devices/system/cpu
102 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
103 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
104 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
105 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu3
[all …]
|
| /Linux-v5.15/Documentation/input/devices/ |
| D | sentelic.rst | 8 :Copyright: |copy| 2002-2011 Sentelic Corporation.
10 :Last update: Dec-07-2011
28 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
30 |---------------| |---------------| |---------------| |---------------|
40 Byte 2: X Movement(9-bit 2's complement integers)
41 Byte 3: Y Movement(9-bit 2's complement integers)
43 valid values, -8 ~ +7
51 - Set bit 1 in register 0x40 to 1
60 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
62 |---------------| |---------------| |---------------| |---------------|
[all …]
|
| /Linux-v5.15/net/dccp/ |
| D | input.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
19 /* rate-limit for syncs in reply to sequence-invalid packets; RFC 4340, 7.5.4 */
24 __skb_pull(skb, dccp_hdr(skb)->dccph_doff * 4); in dccp_enqueue_skb()
25 __skb_queue_tail(&sk->sk_receive_queue, skb); in dccp_enqueue_skb()
27 sk->sk_data_ready(sk); in dccp_enqueue_skb()
38 sk->sk_shutdown = SHUTDOWN_MASK; in dccp_fin()
47 switch (sk->sk_state) { in dccp_rcv_close()
50 * - CLOSED (may be a late or duplicate packet) in dccp_rcv_close()
51 * - PASSIVE_CLOSEREQ (the peer has sent a CloseReq earlier) in dccp_rcv_close()
52 * - RESPOND (already handled by dccp_check_req) in dccp_rcv_close()
[all …]
|
| /Linux-v5.15/Documentation/userspace-api/media/v4l/ |
| D | ext-ctrls-rf-tuner.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _rf-tuner-controls:
16 called Zero-IF tuners. Older tuners were typically simple PLL tuners
28 .. _rf-tuner-control-id:
47 range and step are driver-specific.
64 range and step are driver-specific.
71 differs from the each others. The range and step are
72 driver-specific.
76 located inside mixer block, where RF signal is down-converted by the
78 The range and step are driver-specific.
[all …]
|
| /Linux-v5.15/include/linux/regulator/ |
| D | tps51632-regulator.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * tps51632-regulator.h -- TPS51632 regulator
5 * Interface for regulator driver for TPS51632 3-2-1 Phase D-Cap Step Down
17 * struct tps51632_regulator_platform_data - tps51632 regulator platform data.
21 * @dvfs_step_20mV: Step for DVFS is 20mV or 10mV.
22 * @max_voltage_uV: Maximum possible voltage in PWM-DVFS mode.
23 * @base_voltage_uV: Base voltage when PWM-DVFS enabled.
|
| /Linux-v5.15/include/uapi/sound/ |
| D | tlv.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
17 #define SNDRV_CTL_TLVT_CONTAINER 0 /* one level down - group of TLVs */
25 * channel-mapping TLV items
30 #define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 /* pair-wise swappable */
34 * unsigned int type - see SNDRV_CTL_TLVT_*
37 * block_length = (length + (sizeof(unsigned int) - 1)) &
38 * ~(sizeof(unsigned int) - 1)) ....
58 #define SNDRV_CTL_TLVD_DB_SCALE_ITEM(min, step, mute) \ argument
61 ((step) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | \
63 #define SNDRV_CTL_TLVD_DECLARE_DB_SCALE(name, min, step, mute) \ argument
[all …]
|
| /Linux-v5.15/kernel/ |
| D | cpu.c | 34 #include <linux/percpu-rwsem.h>
44 * struct cpuhp_cpu_state - Per cpu hotplug state storage
54 * @node: Remote CPU node; for multi-instance, do a
56 * @last: For multi-instance rollback, remember how far we got
59 * @done_up: Signal completion to the issuer of the task for cpu-up
60 * @done_down: Signal completion to the issuer of the task for cpu-down
92 STATIC_LOCKDEP_MAP_INIT("cpuhp_state-up", &cpuhp_state_up_map);
94 STATIC_LOCKDEP_MAP_INIT("cpuhp_state-down", &cpuhp_state_down_map);
114 * struct cpuhp_step - Hotplug state machine step
115 * @name: Name of the step
[all …]
|
| /Linux-v5.15/drivers/net/wireless/intel/iwlegacy/ |
| D | csr.h | 8 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
70 * low power states due to driver-invoked device resets
71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
86 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */
100 * 31-8: Reserved
101 * 7-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions
102 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D
103 * 1-0: "Dash" (-) value, as in A-1, etc.
[all …]
|
| /Linux-v5.15/Documentation/devicetree/bindings/regulator/ |
| D | vctrl.txt | 5 --------------------
6 - compatible : must be "vctrl-regulator".
7 - regulator-min-microvolt : smallest voltage consumers may set
8 - regulator-max-microvolt : largest voltage consumers may set
9 - ctrl-supply : The regulator supplying the control voltage.
10 - ctrl-voltage-range : an array of two integer values describing the range
13 regulator-min/max-microvolt output voltage.
16 --------------------
17 - ovp-threshold-percent : overvoltage protection (OVP) threshold of the
19 circuitry which shuts down the regulator when the
[all …]
|
| /Linux-v5.15/arch/arm/boot/dts/ |
| D | meson8b-ec100.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
22 stdout-path = "serial0:115200n8";
30 emmc_pwrseq: emmc-pwrseq {
31 compatible = "mmc-pwrseq-emmc";
32 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
35 gpio-keys {
36 compatible = "gpio-keys-polled";
[all …]
|
| /Linux-v5.15/Documentation/devicetree/bindings/mtd/ |
| D | mtk-nand.txt | 15 - compatible: Should be one of
16 "mediatek,mt2701-nfc",
17 "mediatek,mt2712-nfc",
18 "mediatek,mt7622-nfc".
19 - reg: Base physical address and size of NFI.
20 - interrupts: Interrupts of NFI.
21 - clocks: NFI required clocks.
22 - clock-names: NFI clocks internal name.
23 - ecc-engine: Required ECC Engine node.
24 - #address-cells: NAND chip index, should be 1.
[all …]
|
| /Linux-v5.15/arch/ia64/ |
| D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
10 IA-64 identity-mapped regions use a large page size called "granules".
22 bool "Print possible IA-64 dependency violations to console"
26 Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
27 or Write-after-Read (WAR) violations. This option is ignored if you
28 are compiling for an Itanium A step processor
41 bool "Turn on compare-and-exchange bug checking (slow!)"
44 Selecting this option turns on bug checking for the IA-64
45 compare-and-exchange instructions. This is slow! Itaniums
46 from step B3 or later don't have this problem. If you're unsure,
[all …]
|
| /Linux-v5.15/sound/soc/sh/rcar/ |
| D | mix.c | 1 // SPDX-License-Identifier: GPL-2.0
9 * +------+ +------+
10 * [SRC3 / SRC6] -> |CTU n0| -> [MIX n0| ->
11 * [SRC4 / SRC9] -> |CTU n1| -> [MIX n1| ->
12 * [SRC0 / SRC1] -> |CTU n2| -> [MIX n2| ->
13 * [SRC2 / SRC5] -> |CTU n3| -> [MIX n3| ->
14 * +------+ +------+
25 * amixer set "MIX Ramp Up Rate" "0.125 dB/1 step"
26 * amixer set "MIX Ramp Down Rate" "4 dB/1 step"
29 * amixer set "MIX",0 80% // DAI0 Volume Down
[all …]
|
| /Linux-v5.15/drivers/cpufreq/ |
| D | mediatek-cpufreq.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Author: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
29 * 100mV < Vsram - Vproc < 200mV
54 if (cpumask_test_cpu(cpu, &info->cpus)) in mtk_cpu_dvfs_info_lookup()
64 struct regulator *proc_reg = info->proc_reg; in mtk_cpufreq_voltage_tracking()
65 struct regulator *sram_reg = info->sram_reg; in mtk_cpufreq_voltage_tracking()
78 * When scaling up voltages, Vsram and Vproc scale up step in mtk_cpufreq_voltage_tracking()
79 * by step. At each step, set Vsram to (Vproc + 200mV) first, in mtk_cpufreq_voltage_tracking()
80 * then set Vproc to (Vsram - 100mV). in mtk_cpufreq_voltage_tracking()
110 vsram - VOLT_TOL, in mtk_cpufreq_voltage_tracking()
[all …]
|
