| /linux-6.15/Documentation/devicetree/bindings/arm/ |
| D | arm,vexpress-juno.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/arm,vexpress-juno.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sudeep Holla <sudeep.holla@arm.com>
11 - Linus Walleij <linus.walleij@linaro.org>
15 multicore Cortex-A class systems. The Versatile Express family contains both
37 further subvariants are released of the core tile, even more fine-granular
45 - description: CoreTile Express A9x4 (V2P-CA9) has 4 Cortex A9 CPU cores
46 in MPCore configuration in a test chip on the core tile. See ARM
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| /linux-6.15/Documentation/hwmon/ |
| D | sis5595.rst | 10 Addresses scanned: ISA in PCI-space encoded address
18 - Kyösti Mälkki <kmalkki@cc.hut.fi>,
19 - Mark D. Studebaker <mdsxyz123@yahoo.com>,
20 - Aurelien Jarno <aurelien@aurel32.net> 2.6 port
22 SiS southbridge has a LM78-like chip integrated on the same IC.
28 Version PCI ID PCI Revision
36 "blacklist" PCI ID and refuse to load.
39 NOT SUPPORTED PCI ID BLACKLIST PCI ID
55 -----------------
69 -----------
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| /linux-6.15/drivers/mtd/nand/raw/ |
| D | nand_micron.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
14 * Special Micron status bit 3 indicates that the block has been
15 * corrected by on-die ECC and should be rewritten.
20 * On chips with 8-bit ECC and additional bit can be used to distinguish
24 * ----- ----- ----- -----------
27 * 0 1 0 4 - 6 errors corrected, recommend rewrite
29 * 1 0 0 1 - 3 errors corrected
31 * 1 1 0 7 - 8 errors corrected, recommend rewrite
69 static int micron_nand_setup_read_retry(struct nand_chip *chip, int retry_mode) in micron_nand_setup_read_retry() argument
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| /linux-6.15/sound/isa/ |
| D | es18xx.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) by Christian Fischbach <fishbach@pool.informatik.rwth-aachen.de>
5 * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org>
10 * - There are pops (we can't delay in trigger function, cause midlevel
13 * - Support for 16 bit DMA seems to be broken. I've no hardware to tune it.
18 * - The chip has one half duplex pcm (with very limited full duplex support).
20 * - Duplex stereophonic sound is impossible.
21 * - Record and playback must share the same frequency rate.
23 * - The driver use dma2 for playback and dma1 for capture.
29 * - there are a first full duplex pcm and a second playback only pcm
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| /linux-6.15/sound/isa/sb/ |
| D | sb16.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ variable
44 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
55 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
60 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
65 module_param_array(id, charp, NULL, 0444);
66 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
76 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
86 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
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| /linux-6.15/include/uapi/linux/ |
| D | gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
3 * <linux/gpio.h> - userspace ABI for the GPIO character devices
21 * Must be a multiple of 8 to ensure 32/64-bit alignment of structs.
26 * struct gpiochip_info - Information about a certain GPIO chip
27 * @name: the Linux kernel name of this GPIO chip
28 * @label: a functional name for this GPIO chip, such as a product
30 * @lines: number of GPIO lines on this chip
41 * Must be no greater than 64, as bitmaps are restricted here to 64-bits
42 * for simplicity, and a multiple of 2 to ensure 32/64-bit alignment of
54 * enum gpio_v2_line_flag - &struct gpio_v2_line_attribute.flags values
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| /linux-6.15/drivers/hwmon/pmbus/ |
| D | fsp-3y.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Hardware monitoring driver for FSP 3Y-Power PSUs
8 * David Brownell (and later adopted by Jan Kundrát). The device has some sort of a timing issue
38 int chip; member
46 static int page_log_to_page_real(int page_log, enum chips chip) in page_log_to_page_real() argument
48 switch (chip) { in page_log_to_page_real()
56 return -EINVAL; in page_log_to_page_real()
66 return -EINVAL; in page_log_to_page_real()
69 return -EINVAL; in page_log_to_page_real()
82 page_real = page_log_to_page_real(page_log, data->chip); in set_page()
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| /linux-6.15/drivers/gpio/ |
| D | gpio-max732x.c | 1 // SPDX-License-Identifier: GPL-2.0-only
26 * - Push Pull Output
27 * - Input
28 * - Open Drain I/O
37 * - Group A : by I2C address 0b'110xxxx
38 * - Group B : by I2C address 0b'101xxxx
52 * NOTE: MAX7328/MAX7329 are drop-in replacements for PCF8574/a, so
57 #define PORT_OUTPUT 0x1 /* 'O' Push-Pull, Output Only */
59 #define PORT_OPENDRAIN 0x3 /* 'P' Open-Drain, I/O */
71 #define INT_NO_MASK 0x1 /* Has interrupts, no mask */
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| D | gpio-mxs.c | 1 // SPDX-License-Identifier: GPL-2.0+
7 // Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
25 #define PINCTRL_DOUT(p) ((is_imx23_gpio(p) ? 0x0500 : 0x0700) + (p->id) * 0x10)
26 #define PINCTRL_DIN(p) ((is_imx23_gpio(p) ? 0x0600 : 0x0900) + (p->id) * 0x10)
27 #define PINCTRL_DOE(p) ((is_imx23_gpio(p) ? 0x0700 : 0x0b00) + (p->id) * 0x10)
28 #define PINCTRL_PIN2IRQ(p) ((is_imx23_gpio(p) ? 0x0800 : 0x1000) + (p->id) * 0x10)
29 #define PINCTRL_IRQEN(p) ((is_imx23_gpio(p) ? 0x0900 : 0x1100) + (p->id) * 0x10)
30 #define PINCTRL_IRQLEV(p) ((is_imx23_gpio(p) ? 0x0a00 : 0x1200) + (p->id) * 0x10)
31 #define PINCTRL_IRQPOL(p) ((is_imx23_gpio(p) ? 0x0b00 : 0x1300) + (p->id) * 0x10)
32 #define PINCTRL_IRQSTAT(p) ((is_imx23_gpio(p) ? 0x0c00 : 0x1400) + (p->id) * 0x10)
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| D | gpiolib.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
26 * struct gpio_device - internal state container for GPIO devices
29 * @id: numerical ID number for the GPIO chip
33 * @chip: pointer to the corresponding gpiochip, holding static
37 * used from the chip.
41 * @can_sleep: indicate whether the GPIO chip driver's callbacks can sleep
46 * or name of the IP component in a System on Chip.
47 * @data: per-instance data assigned by the driver
51 * @line_state_lock: RW-spinlock protecting the line state notifier
56 * @srcu: protects the pointer to the underlying GPIO chip
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| D | gpiolib-acpi.c | 1 // SPDX-License-Identifier: GPL-2.0
24 #include "gpiolib-acpi.h"
26 static int run_edge_events_on_boot = -1;
29 "Run edge _AEI event-handlers at boot: 0=no, 1=yes, -1=auto");
50 * struct acpi_gpio_event - ACPI GPIO event handler data
52 * @node: list-entry of the events list of the struct acpi_gpio_chip
59 * @irq_requested:True if request_irq() has been done
89 struct gpio_chip *chip; member
95 * struct acpi_gpio_info - ACPI GPIO specific information
123 * for which the acpi_gpiochip_request_irqs() call has been deferred.
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| /linux-6.15/drivers/mux/ |
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
10 #define pr_fmt(fmt) "mux-core: " fmt
25 * The idle-as-is "state" is not an actual state that may be selected, it
32 * struct mux_state - Represents a mux controller state specific to a given
37 * This structure is specific to the consumer that acquires it and has
67 ida_free(&mux_ida, mux_chip->id); in mux_chip_release()
72 .name = "mux-chip",
77 * mux_chip_alloc() - Allocate a mux-chip.
79 * @controllers: The number of mux controllers to allocate for this chip.
82 * After allocating the mux-chip with the desired number of mux controllers
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| /linux-6.15/sound/usb/6fire/ |
| D | chip.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include "chip.h"
30 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
31 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for card */ variable
38 module_param_array(id, charp, NULL, 0444);
39 MODULE_PARM_DESC(id, "ID string for the 6fire sound device.");
45 static void usb6fire_chip_abort(struct sfire_chip *chip) in usb6fire_chip_abort() argument
47 if (chip) { in usb6fire_chip_abort()
48 if (chip->pcm) in usb6fire_chip_abort()
49 usb6fire_pcm_abort(chip); in usb6fire_chip_abort()
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| /linux-6.15/Documentation/devicetree/bindings/timestamp/ |
| D | nvidia,tegra194-hte.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timestamp/nvidia,tegra194-hte.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra on chip generic hardware timestamping engine (HTE) provider
10 - Dipen Patel <dipenp@nvidia.com>
13 Tegra SoC has two instances of generic hardware timestamping engines (GTE)
14 known as GTE GPIO and GTE IRQ, which can monitor subset of GPIO and on chip
16 timestamp (taken from system counter) in its internal hardware FIFO. It has
24 - nvidia,tegra194-gte-aon
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| /linux-6.15/drivers/cpufreq/ |
| D | powernv-cpufreq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #define pr_fmt(fmt) "powernv-cpufreq: " fmt
44 * On an idle system we want the global pstate to ramp-down from max value to
45 * min over a span of ~5 secs. Also we want it to initially ramp-down slowly and
46 * then ramp-down rapidly later on.
61 * struct global_pstate_info - Per policy data structure to maintain history of
94 * indexed by a function of pstate id.
96 * @pstate_id: pstate id for this entry.
132 static struct chip { struct
133 unsigned int id; member
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| /linux-6.15/Documentation/devicetree/bindings/spi/ |
| D | sprd,spi-adi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/sprd,spi-adi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
15 ADI is the abbreviation of Anolog-Digital interface, which is used to access
16 analog chip (such as PMIC) from digital chip. ADI controller follows the SPI
20 ADI controller has 50 channels including 2 software read/write channels and
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| /linux-6.15/Documentation/devicetree/bindings/mips/ |
| D | mscc.txt | 7 - compatible: "mscc,ocelot", "mscc,luton", "mscc,serval" or "mscc,jr2"
12 o CPU chip regs:
14 The SoC has a few registers (DEVCPU_GCB:CHIP_REGS) handling miscellaneous
15 functionalities: chip ID, general purpose register for software use, reset
19 - compatible: Should be "mscc,ocelot-chip-regs", "simple-mfd", "syscon"
20 - reg : Should contain registers location and length
24 compatible = "mscc,ocelot-chip-regs", "simple-mfd", "syscon";
30 The SoC has a few registers (HSIO) handling miscellaneous functionalities:
35 - compatible: Should be "mscc,ocelot-hsio", "syscon", "simple-mfd"
36 - reg : Should contain registers location and length
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| /linux-6.15/drivers/char/tpm/ |
| D | tpm_infineon.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 * Sirrix AG - security technologies <tpmdd@sirrix.com> and
10 * Applied Data Security Group, Ruhr-University Bochum, Germany
11 * Project-Homepage: http://www.trust.rub.de/projects/linux-device-driver-infineon-tpm/
19 /* maximum number of WTX-packages */
21 /* msleep-Time for WTX-packages */
23 /* msleep-Time --> Interval to check status register */
25 /* gives number of max. msleep()-calls before throwing timeout */
150 static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo) in empty_fifo() argument
169 this has nothing to say, since the TPM will give its answer in empty_fifo()
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| /linux-6.15/Documentation/devicetree/bindings/arm/amlogic/ |
| D | amlogic,meson-gx-ao-secure.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Neil Armstrong <neil.armstrong@linaro.org>
22 const: amlogic,meson-gx-ao-secure
24 - compatible
29 - items:
30 - const: amlogic,meson-gx-ao-secure
31 - const: syscon
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| /linux-6.15/Documentation/devicetree/bindings/mailbox/ |
| D | mediatek,gce-props.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/mediatek,gce-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Houlong Wei <houlong.wei@mediatek.com>
13 The Global Command Engine (GCE) is an instruction based, multi-threaded,
14 single-core command dispatcher for MediaTek hardware. The Command Queue
18 We use mediatek,gce-mailbox.yaml to define the properties for CMDQ mailbox
28 mediatek,gce-events:
30 GCE has an event table in SRAM, consisting of 1024 event IDs (0~1023).
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| /linux-6.15/sound/mips/ |
| D | sgio2audio.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2003 Vivien Chappelier <vivien.chappelier@linux-mips.org>
15 #include <linux/dma-mapping.h>
32 MODULE_AUTHOR("Vivien Chappelier <vivien.chappelier@linux-mips.org>");
36 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
37 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ variable
41 module_param(id, charp, 0444);
42 MODULE_PARM_DESC(id, "ID string for SGI O2 soundcard.");
65 #define CHANNEL_RING_MASK (CHANNEL_RING_SIZE - 1)
78 /* definition of the chip-specific record */
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| /linux-6.15/Documentation/devicetree/bindings/devfreq/event/ |
| D | samsung,exynos-nocp.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/devfreq/event/samsung,exynos-nocp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung Exynos NoC (Network on Chip) Probe
10 - Chanwoo Choi <cw00.choi@samsung.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 The Samsung Exynos542x SoC has a NoC (Network on Chip) Probe for NoC bus.
16 that the Network on Chip (NoC) probes detects are transported over the
19 traffic debug or statistic collectors. Exynos542x bus has multiple NoC probes
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| /linux-6.15/drivers/input/keyboard/ |
| D | tca6416-keypad.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 { "tca6416-keys", 16, },
30 { "tca6408-keys", 8, },
48 static int tca6416_write_reg(struct tca6416_keypad_chip *chip, int reg, u16 val) in tca6416_write_reg() argument
52 error = chip->io_size > 8 ? in tca6416_write_reg()
53 i2c_smbus_write_word_data(chip->client, reg << 1, val) : in tca6416_write_reg()
54 i2c_smbus_write_byte_data(chip->client, reg, val); in tca6416_write_reg()
56 dev_err(&chip->client->dev, in tca6416_write_reg()
65 static int tca6416_read_reg(struct tca6416_keypad_chip *chip, int reg, u16 *val) in tca6416_read_reg() argument
69 retval = chip->io_size > 8 ? in tca6416_read_reg()
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| /linux-6.15/Documentation/driver-api/ |
| D | edac.rst | 5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
38 DIMMs. Each channel has its own independent control (command) and data
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
52 * Single-channel
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
60 * Double-channel
63 dimms, accessed at the same time. E. g. if the DIMM is 64 bits-wide (72
67 * Chip-select row
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| /linux-6.15/sound/pci/ |
| D | bt87x.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * bt87x.c - Brooktree Bt878/Bt879 driver for ALSA
27 static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */
28 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ variable
35 module_param_array(id, charp, NULL, 0444);
36 MODULE_PARM_DESC(id, "ID string for Bt87x soundcard");
70 #define CTL_PKTP_4 (0 << 2) /* packet mode FIFO trigger point - 4 DWORDs */
93 #define CTL_A_PWRDN (1 << 26) /* analog audio power-down */
131 #define MAX_RISC_SIZE ((1 + 255 + (PAGE_ALIGN(255 * 4092) / PAGE_SIZE - 1) + 1 + 1) * 8)
201 static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg) in snd_bt87x_readl() argument
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