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/linux/drivers/mtd/maps/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 depends on MTD!=n
4 depends on HAS_IOMEM
7 bool "Support non-linear mappings of flash chips"
10 paged mappings of flash chips.
13 tristate "Flash device in physical memory map"
14 depends on MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_RAM || MTD_LPDDR
16 This provides a 'mapping' driver which allows the NOR Flash and
19 the physical address and size of the flash chips on your
21 with config options or at run-time.
[all …]
/linux/include/linux/
H A Dled-class-flash.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * LED Flash class interface
17 * Supported led fault bits - must be kept in synch
34 /* set flash brightness */
37 /* get flash brightness */
40 /* set flash strobe state */
42 /* get flash strobe state */
44 /* set flash timeout */
46 /* get the flash LED fault */
48 /* set flash duration */
[all …]
/linux/drivers/leds/flash/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
7 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
8 depends on GPIOLIB || COMPILE_TEST
9 depends on OF
10 depends on PINCTRL
12 This option enables support for the LEDs on the AAT1290.
15 tristate "AS3645A and LM3555 LED flash controllers support"
16 depends on I2C
17 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
19 Enable LED flash class support for AS3645A LED flash
[all …]
H A Dleds-as3645a.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/leds/leds-as3645a.c - AS3645A and LM3555 flash controllers driver
5 * Copyright (C) 2008-2011 Nokia Corporation
8 * Based on drivers/media/i2c/as3645a.c.
16 #include <linux/led-class-flash.h>
23 #include <media/v4l2-flash-led-class.h>
25 #define AS_TIMER_US_TO_CODE(t) (((t) / 1000 - 100) / 50)
30 /* Read-only Design info register: Reset state: xxxx 0001 */
35 /* Read-only Version control register: Reset state: 0000 0000
105 ((min_t(u32, AS_PEAK_mA_MAX, a) - 1250) / 250)
[all …]
/linux/drivers/mtd/chips/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "RAM/ROM/Flash chip drivers"
3 depends on MTD!=n
6 tristate "Detect flash chips by Common Flash Interface (CFI) probe"
10 The Common Flash Interface specification was developed by Intel,
11 AMD and other flash manufactures that provides a universal method
12 for probing the capabilities of flash devices. If you wish to
13 support any device that is CFI-compliant, you need to enable this
15 for more information on CFI.
18 tristate "Detect non-CFI AMD/JEDEC-compatible flash chips"
[all …]
/linux/drivers/media/i2c/
H A Dadp1653.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2008--2011 Nokia Corporation
15 * - fault interrupt handling
16 * - hardware strobe
17 * - power doesn't need to be ON if all lights are off
27 #include <media/v4l2-device.h>
31 #define TIMEOUT_MIN (TIMEOUT_MAX - ADP1653_REG_CONFIG_TMR_SET_MAX \
33 #define TIMEOUT_US_TO_CODE(t) ((TIMEOUT_MAX + (TIMEOUT_STEP / 2) - (t)) \
35 #define TIMEOUT_CODE_TO_US(c) (TIMEOUT_MAX - (c) * TIMEOUT_STEP)
38 static int adp1653_update_hw(struct adp1653_flash *flash) in adp1653_update_hw() argument
[all …]
H A Dlm3560.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * General device driver for TI lm3559, lm3560, FLASH LED Driver
9 * Ldd-Mlp <ldd-mlp@list.ti.com>
20 #include <media/v4l2-ctrls.h>
21 #include <media/v4l2-device.h>
65 container_of(_ctrl->handler, struct lm3560_flash, ctrls_led[_no])
68 static int lm3560_mode_ctrl(struct lm3560_flash *flash) in lm3560_mode_ctrl() argument
70 int rval = -EINVAL; in lm3560_mode_ctrl()
72 switch (flash->led_mode) { in lm3560_mode_ctrl()
74 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
[all …]
/linux/drivers/mtd/
H A DKconfig5 Memory Technology Devices are flash, RAM and similar chips, often
6 used for solid state file systems on embedded devices. This option
9 to enumerate the devices which are present and obtain a handle on
17 depends on m
40 depends on BLOCK
43 Although most flash chips have an erase size too large to be useful
45 on RAM chips in this manner. This block device is a user of MTD
49 It's possible to mount a rootfs using the MTD device on the "root="
53 on flash chips to emulate a smaller block size. Needless to say,
62 depends on MTD_BLOCK!=y && BLOCK
[all …]
/linux/drivers/mtd/parsers/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 depends on BCM47XX || ARCH_BCM_5301X
6 This provides partitions parser for devices based on BCM47xx
11 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
19 tristate "Broadcom's U-Boot partition parser"
20 depends on ARCH_BCMBCA || COMPILE_TEST
22 Broadcom uses a custom way of storing U-Boot environment variables.
23 They are placed inside U-Boot partition itself at unspecified offset.
30 depends on MTD
33 command line. Multiple flash resources are supported for hardware where
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-class-led-flash6 Set the brightness of this LED in the flash strobe mode, in
7 microamperes. The file is created only for the flash LED devices
8 that support setting flash brightness.
18 Maximum brightness level for this LED in the flash strobe mode,
26 Hardware timeout for flash, in microseconds. The flash strobe
28 of the strobe. The file is created only for the flash LED
29 devices that support setting flash timeout.
36 Maximum flash timeout for this LED, in microseconds.
43 Flash strobe state. When written with 1 it triggers flash strobe
44 and when written with 0 it turns the flash off.
[all …]
/linux/drivers/mtd/nand/onenand/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 depends on HAS_IOMEM
6 This enables support for accessing all type of OneNAND flash
14 This adds an extra check when data is written to the flash. The
15 OneNAND flash device internally checks only bits transitioning
21 tristate "OneNAND Flash device via platform device driver"
23 Support for OneNAND flash via platform device driver.
26 tristate "OneNAND on OMAP2/OMAP3 support"
27 depends on ARCH_OMAP2 || ARCH_OMAP3 || (COMPILE_TEST && ARM)
28 depends on OF
[all …]
/linux/drivers/mtd/devices/
H A Dspear_smi.c2 * SMI (Serial Memory Controller) device driver for Serial NOR Flash on
4 * The serial nor interface is largely based on m25p80.c, however the SPI
90 /* flash opcodes */
93 /* Flash Device Ids maintenance section */
95 /* data structure to maintain flash ids from different vendors */
157 * struct spear_smi - Structure for SMI Device
165 * @cmd_complete: queue to wait for command completion of NOR-flash.
166 * @num_flashes: number of flashes actually present on board.
167 * @flash: separate structure for each Serial NOR-flash attached to SMI.
178 struct spear_snor_flash *flash[MAX_NUM_FLASH_CHIP]; member
[all …]
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "Self-contained MTD device drivers"
3 depends on MTD!=n
4 depends on HAS_IOMEM
8 depends on PCI
12 These devices come in memory configurations from 32M - 1G. If you
21 particularly useful on the 2.2 kernels on PPC architectures as there
26 depends on MTD_PMC551
34 depends on MTD_PMC551
37 is only really useful if you are developing on this driver or
[all …]
/linux/Documentation/arch/arm/sa1100/
H A Dassabet.rst2 The Intel Assabet (SA-1110 evaluation) board
13 -------------------
25 -----------------------
27 A couple of bootloaders able to boot Linux on Assabet are available:
39 John Dorsey has produced add-on patches to add support for Assabet and
44 RedBoot is a bootloader developed by Red Hat based on the eCos RTOS
51 Brief examples on how to boot Linux with RedBoot are shown below. But first
52 you need to have RedBoot installed in your flash memory. A known to work
55 - ftp://ftp.netwinder.org/users/n/nico/
56 - ftp://ftp.arm.linux.org.uk/pub/linux/arm/people/nico/
[all …]
/linux/Documentation/networking/devlink/
H A Ddevlink-flash.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
6 Devlink Flash
9 The ``devlink-flash`` API allows updating device firmware. It replaces the
10 older ``ethtool-flash`` mechanism, and doesn't require taking any
11 networking locks in the kernel to perform the flash update. Example use::
13 $ devlink dev flash pci/0000:05:00.0 file flash-boot.bin
22 The ``devlink-flash`` command allows optionally specifying a mask indicating
23 how the device should handle subsections of flash components when updating.
26 .. list-table:: List of overwrite mask bits
29 * - Name
[all …]
/linux/include/media/
H A Dv4l2-flash-led-class.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * V4L2 flash LED sub-device registration helpers.
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-subdev.h>
21 * struct v4l2_flash_ctrl_data - flash control initialization data, filled
22 * basing on the features declared by the LED flash
25 * @cid: contains v4l2 flash control id if the config
34 * struct v4l2_flash_ops - V4L2 flash operations
36 * @external_strobe_set: Setup strobing the flash by hardware pin state
53 * struct v4l2_flash_config - V4L2 Flash sub-device initialization data
[all …]
/linux/Documentation/devicetree/bindings/mtd/partitions/
H A Dredboot-fis.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/partitions/redboot-fis.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RedBoot FLASH Image System (FIS) Partitions
9 description: The FLASH Image System (FIS) directory is a flash description
11 It uses one single flash eraseblock in the flash to store an index of
12 all images in the flash.
13 This block size will vary depending on flash but is typically
17 - Linus Walleij <linus.walleij@linaro.org>
[all …]
/linux/drivers/mtd/spi-nor/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 depends on MTD
5 depends on MTD && SPI_MASTER
17 Many flash memories support erasing small (4096 B) sectors. Depending
18 on the usage this feature may provide performance gain in comparison
20 Changing a small part of the flash's contents is usually faster with
21 small sectors. On the other hand erasing should be faster when using
32 bool "Disable SWP on any flashes (legacy behavior)"
34 This option disables the software write protection on any SPI
35 flashes at boot-up.
[all …]
/linux/Documentation/userspace-api/media/v4l/
H A Dext-ctrls-flash.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _flash-controls:
6 Flash Control Reference
9 The V4L2 flash controls are intended to provide generic access to flash
10 controller devices. Flash controller devices are typically used in
13 The interface can support both LED and xenon flash devices. As of
14 writing this, there is no xenon flash driver using this interface.
17 .. _flash-controls-use-cases:
23 Unsynchronised LED flash (software strobe)
24 ------------------------------------------
[all …]
/linux/drivers/mtd/spi-nor/controllers/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Hisilicon FMC SPI NOR Flash Controller(SFC)"
4 depends on ARCH_HISI || COMPILE_TEST
5 depends on HAS_IOMEM
7 This enables support for HiSilicon FMC SPI NOR flash controller.
10 tristate "NXP SPI Flash Interface (SPIFI)"
11 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
12 depends on HAS_IOMEM
14 Enable support for the NXP LPC SPI Flash Interface controller.
17 Flash. Enable this option if you have a device with a SPIFI
[all …]
/linux/arch/powerpc/kernel/
H A Drtas_flash.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 * firmware image and flash it as it reboots (see rtas.c).
31 #define RTAS_RC_HW_ERR -1
32 #define RTAS_RC_BUSY -2
34 /* Flash image status values */
35 #define FLASH_AUTH -9002 /* RTAS Not Service Authority Partition */
36 #define FLASH_NO_OP -1099 /* No operation initiated by user */
37 #define FLASH_IMG_SHORT -1005 /* Flash image shorter than expected */
38 #define FLASH_IMG_BAD_LEN -1004 /* Bad length value in flash list block */
39 #define FLASH_IMG_NULL_DATA -1003 /* Bad data value in flash list block */
[all …]
/linux/Documentation/filesystems/
H A Dubifs.rst1 .. SPDX-License-Identifier: GPL-2.0
10 UBIFS file-system stands for UBI File System. UBI stands for "Unsorted
11 Block Images". UBIFS is a flash file system, which means it is designed
12 to work with flash devices. It is important to understand, that UBIFS
13 is completely different to any traditional file-system in Linux, like
14 Ext2, XFS, JFS, etc. UBIFS represents a separate class of file-systems
16 file-system of this class is JFFS2.
21 1 MTD devices represent flash devices and they consist of eraseblocks of
24 2 MTD devices support 3 main operations - read from some offset within an
26 eraseblock. Block devices support 2 main operations - read a whole
[all …]
/linux/Documentation/driver-api/mtd/
H A Dspi-nor.rst5 How to propose a new flash addition
6 -----------------------------------
9 Serial Flash Discoverable Parameter (SFDP) standard. SFDP describes
10 the functional and feature capabilities of serial flash devices in a
11 standard set of internal read-only parameter tables.
14 flash's parameters and settings. If the flash defines the SFDP tables
15 it's likely that you won't need a flash entry at all, and instead
16 rely on the generic flash driver which probes the flash solely based
17 on its SFDP data. All one has to do is to specify the "jedec,spi-nor"
20 There are cases however where you need to define an explicit flash
[all …]
/linux/drivers/net/ethernet/intel/ice/
H A Dice_fw_update.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2018-2019, Intel Corporation. */
22 * flash update.
24 * 0 - ICE_AQC_NVM_POR_FLAG - A full power on is required
25 * 1 - ICE_AQC_NVM_PERST_FLAG - A cold PCIe reset is required
26 * 2 - ICE_AQC_NVM_EMPR_FLAG - An EMP reset is required
35 * ice_send_package_data - Send record package data to firmware
46 * Returns: zero on success, or a negative error code on failure.
52 struct netlink_ext_ack *extack = priv->extack; in ice_send_package_data()
53 struct device *dev = context->dev; in ice_send_package_data()
[all …]
/linux/include/linux/mtd/
H A Dspear_smi.h19 /* max possible slots for serial-nor flash chip in the SMI controller */
22 /* macro to define partitions for flash devices */
31 * struct spear_smi_flash_info - platform structure for passing flash
34 * name: name of the serial nor flash for identification
35 * mem_base: the memory base on which the flash is mapped
36 * size: size of the flash in bytes
39 * fast_mode: whether flash supports fast mode
52 * struct spear_smi_plat_data - platform structure for configuring smi
55 * num_flashes: number of flashes present on board
56 * board_flash_info: specific details of each flash present on board

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