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/linux/Documentation/devicetree/bindings/i2c/
H A Di2c-arb-gpio-challenge.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-arb-gpio-challenge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
10 - Doug Anderson <dianders@chromium.org>
11 - Peter Rosin <peda@axentia.se>
18 standard I2C multi-master rules. Using GPIOs is generally useful in the case
30 others can see. These are all active low with pull-ups enabled. We'll
32 * OUR_CLAIM: output from us signaling to other hosts that we want the bus
[all …]
/linux/drivers/iio/dac/
H A Dad5758.c1 // SPDX-License-Identifier: GPL-2.0
101 * struct ad5758_state - driver instance specific data
107 * @dc_dc_ilim: variable which stores the dc-to-dc converter current limit
108 * @slew_time: variable which stores the target slew time
135 * 1101: -1 mA to +22 mA current range
160 { AD5758_RANGE_PLUSMINUS_5V, -5000000, 5000000 },
161 { AD5758_RANGE_PLUSMINUS_10V, -10000000, 10000000 }
168 { AD5758_RANGE_PLUSMINUS_20mA, -20000, 20000 },
169 { AD5758_RANGE_PLUSMINUS_24mA, -24000, 24000 },
170 { AD5758_RANGE_MINUS_1mA_PLUS_22mA, -1000, 22000 },
[all …]
/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ad5758.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
19 spi-cpha: true
21 adi,dc-dc-mode:
25 Mode of operation of the dc-to-dc converter
32 In this mode, the VDPC+ voltage is user-programmable to a fixed level
37 any one time.
47 adi,range-microvolt:
[all …]
/linux/arch/arm/boot/dts/st/
H A Dstm32mp15x-mecio1-io.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
8 #include "stm32mp15-pinctrl.dtsi"
9 #include "stm32mp15xxaa-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
15 stdout-path = "serial0:1500000n8";
34 reserved-memory {
35 #address-cells = <1>;
36 #size-cells = <1>;
40 compatible = "shared-dma-pool";
[all …]
H A Dstm32mp135f-dhcor-dhsbc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
6 * DHCR-STM32MP135F-C100-R051-EE-F0409-SPI4-RTC-WBT-I-01LG
7 * DHCOR PCB number: 718-100 or newer
8 * DHSBC PCB number: 719-100 or newer
11 /dts-v1/;
13 #include <dt-bindings/regulator/st,stm32mp13-regulator.h>
16 #include "stm32mp13xx-dhcor-som.dtsi"
20 compatible = "dh,stm32mp135f-dhcor-dhsbc",
21 "dh,stm32mp135f-dhcor-som",
32 stdout-path = "serial0:115200n8";
[all …]
/linux/arch/arm/boot/dts/microchip/
H A Dat91-sama7g5ek.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama7g5ek.dts - Device Tree file for SAMA7G5-EK board
11 /dts-v1/;
12 #include "sama7g5-pinfunc.h"
14 #include <dt-bindings/mfd/atmel-flexcom.h>
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/pinctrl/at91.h>
17 #include <dt-bindings/sound/microchip,pdmc.h>
20 model = "Microchip SAMA7G5-EK";
25 stdout-path = "serial0:115200n8";
[all …]
H A Dat91-sama7g54_curiosity.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 Curiosity Board
10 /dts-v1/;
11 #include "sama7g5-pinfunc.h"
13 #include <dt-bindings/input/input.h>
14 #include <dt-bindings/leds/common.h>
15 #include <dt-bindings/mfd/atmel-flexcom.h>
16 #include <dt-bindings/pinctrl/at91.h>
20 compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
28 stdout-path = "serial0:115200n8";
[all …]
/linux/drivers/cpufreq/
H A Dpmac64-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
4 * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
30 #include <asm/time.h>
48 #define PCR_TARGET_TIME_MASK 0x00006000U /* target time */
73 * the various frequencies, retrieved from the device-tree
117 u32 slew, done = 0; in g5_vdnap_switch_volt() local
120 slew = (speed_mode == CPUFREQ_LOW) ? 1 : 0; in g5_vdnap_switch_volt()
122 args.u[0].p = &slew; in g5_vdnap_switch_volt()
350 int rc = -ENODEV; in g5_neo2_cpufreq_init()
[all …]
/linux/Documentation/scsi/
H A Daic79xx.rst1 .. SPDX-License-Identifier: GPL-2.0
28 AIC-7901A Single Channel 64-bit PCI-X 133MHz to
30 AIC-7901B Single Channel 64-bit PCI-X 133MHz to
32 AIC-7902A4 Dual Channel 64-bit PCI-X 133MHz to
34 AIC-7902B Dual Channel 64-bit PCI-X 133MHz to
41 Adaptec SCSI Card 39320 Dual Channel 64-bit PCI-X 133MHz to 7902A4/7902B
43 68-pin, two internal 68-pin)
44 Adaptec SCSI Card 39320A Dual Channel 64-bit PCI-X 133MHz to 7902B
46 68-pin, two internal 68-pin)
47 Adaptec SCSI Card 39320D Dual Channel 64-bit PCI-X 133MHz to 7902A4
[all …]
/linux/arch/arm/boot/dts/nvidia/
H A Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
27 * pre-existing /chosen node to be available to insert the
33 trusted-foundations {
[all …]
H A Dtegra30-lg-x3.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/leds/common.h>
6 #include <dt-bindings/mfd/max77620.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra30-cpu-opp.dtsi"
11 #include "tegra30-cpu-opp-microvolt.dtsi"
14 chassis-type = "handset";
30 * pre-existing /chosen node to be available to insert the
[all …]
H A Dtegra20-asus-tf101.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
16 chassis-type = "convertible";
33 * pre-existing /chosen node to be available to insert the
[all …]
H A Dtegra30-asus-transformer-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/thermal/thermal.h>
8 #include "tegra30-cpu-opp.dtsi"
9 #include "tegra30-cpu-opp-microvolt.dtsi"
12 chassis-type = "convertible";
31 * pre-existing /chosen node to be available to insert the
37 trusted-foundations {
38 compatible = "tlm,trusted-foundations";
[all …]
H A Dtegra114-asus-tf701t.dts1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
13 chassis-type = "convertible";
29 trusted-foundations {
30 compatible = "tlm,trusted-foundations";
31 tlm,version-major = <2>;
32 tlm,version-minor = <8>;
40 reserved-memory {
[all …]
H A Dtegra20-acer-a500-picasso.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
32 * pre-existing /chosen node to be available to insert the
41 reserved-memory {
[all …]
H A Dtegra30-pegatron-chagall.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
16 chassis-type = "tablet";
35 * pre-existing /chosen node to be available to insert the
[all …]
H A Dtegra30-ouya.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
26 stdout-path = "serial0:115200n8";
30 trusted-foundations {
31 compatible = "tlm,trusted-foundations";
[all …]
/linux/sound/soc/codecs/
H A Dmax98388.c1 // SPDX-License-Identifier: GPL-2.0
75 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in max98388_dac_event()
80 regmap_write(max98388->regmap, in max98388_dac_event()
85 regmap_write(max98388->regmap, in max98388_dac_event()
88 max98388->tdm_mode = false; in max98388_dac_event()
131 static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
132 static DECLARE_TLV_DB_SCALE(max98388_amp_gain_tlv, -300, 300, 0);
135 "0dBFS", "-1dBFS", "-2dBFS", "-3dBFS", "-4dBFS", "-5dBFS",
136 "-6dBFS", "-7dBFS", "-8dBFS", "-9dBFS", "-10dBFS", "-11dBFS",
137 "-12dBFS", "-13dBFS", "-14dBFS", "-15dBFS"
[all …]
/linux/Documentation/virt/kvm/x86/
H A Dtimekeeping.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
23 time introduces a new set of challenges because it introduces a multiplexed
24 division of time beyond the control of the guest CPU.
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
59 -------------- ----------------
[all …]
/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
[all …]
/linux/drivers/w1/masters/
H A Dds2490.c1 // SPDX-License-Identifier: GPL-2.0-or-later
92 #define ST_SPUA 0x01 /* Strong Pull-up is active */
101 /* 1-wire data i/o fifo size, 128 bytes */
174 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), in ds_send_control_cmd()
177 dev_err(&dev->udev->dev, in ds_send_control_cmd()
190 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), in ds_send_control_mode()
193 dev_err(&dev->udev->dev, in ds_send_control_mode()
206 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), in ds_send_control()
209 dev_err(&dev->udev->dev, in ds_send_control()
220 struct device *dev = &ds_dev->udev->dev; in ds_dump_status()
[all …]
/linux/Documentation/networking/
H A Drxrpc.rst1 .. SPDX-License-Identifier: GPL-2.0
7 The RxRPC protocol driver provides a reliable two-phase transport on top of UDP
38 RxRPC is a two-layer protocol. There is a session layer which provides
44 +-------------+
46 +-------------+
48 +-------------+
50 +-------------+
52 +-------------+
60 (2) A two-phase protocol. The client transmits a blob (the request) and then
82 to use - currently only PF_INET is supported.
[all …]
/linux/drivers/scsi/aic7xxx/
H A Daic79xx_osm.c6 * --------------------------------------------------------------------------
7 * Copyright (c) 1994-2000 Justin T. Gibbs.
8 * Copyright (c) 1997-1999 Doug Ledford
9 * Copyright (c) 2000-2003 Adaptec Inc.
23 * 3. Neither the names of the above-listed copyright holders nor the names
76 * To change the default number of tagged transactions allowed per-device,
83 * Twin adapters will use indexes 0-7 for channel 0, and indexes 8-15
103 * attempt to slowly increase the depth over time as the device recovers
110 * (0, 2-11, 13-15), disables tagged queueing for ID 12, and tells the
118 * IDs 2, 5-7, and 9-15.
[all …]
H A Daic79xx.reg4 * Copyright (c) 1994-2001, 2004 Justin T. Gibbs.
5 * Copyright (c) 2000-2002 Adaptec Inc.
19 * 3. Neither the names of the above-listed copyright holders nor the names
62 if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
69 if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
76 if ((ahd->bugs & AHD_INTCOLLISION_BUG) != 0) { \
187 * A command with a non-zero
839 * PCI-X Control
2564 * SCSI I/O Cell Power-down Control
2607 * Data Transfer Negotiation Data - Period Byte
[all …]
/linux/fs/afs/
H A Ddir.c1 // SPDX-License-Identifier: GPL-2.0-or-later
114 struct address_space *mapping = req->vnode->netfs.inode.i_mapping; in afs_dir_read_cleanup()
116 pgoff_t last = req->nr_pages - 1; in afs_dir_read_cleanup()
118 XA_STATE(xas, &mapping->i_pages, 0); in afs_dir_read_cleanup()
120 if (unlikely(!req->nr_pages)) in afs_dir_read_cleanup()
128 ASSERTCMP(folio->mapping, ==, mapping); in afs_dir_read_cleanup()
147 * we must take care because the directory may change size under us. in afs_dir_check_folio()
153 size = min_t(loff_t, folio_size(folio), i_size - pos); in afs_dir_check_folio()
156 if (block->hdr.magic != AFS_DIR_MAGIC) { in afs_dir_check_folio()
158 __func__, dvnode->netfs.inode.i_ino, in afs_dir_check_folio()
[all …]

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