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/linux/Documentation/devicetree/bindings/mtd/
H A Dmtd.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
21 User-defined MTD device name. Can be used to assign user friendly
26 '#address-cells':
29 '#size-cells':
36 - compatible
39 "@[0-9a-f]+$":
[all …]
H A Dnand-macronix.txt2 -----------------------------------
4 Macronix NANDs support randomizer operation for scrambling user data,
11 For more high-reliability concern, if subpage write is not available
17 - randomizer enable: should be "mxic,enable-randomizer-otp"
21 nand: nand-controller@unit-address {
25 mxic,enable-randomizer-otp;
/linux/include/uapi/mtd/
H A Dmtd-abi.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
55 * @MTD_OPS_RAW: data are transferred as-is, with no error correction;
69 * struct mtd_write_req - data structure for requesting a write operation
74 * @usr_data: user-provided data buffer
75 * @usr_oob: user-provided OOB buffer
80 * writes in various modes. To write to OOB-only, set @usr_data == NULL, and to
81 * write data-only, set @usr_oob == NULL. However, setting both @usr_data and
95 * struct mtd_read_req_ecc_stats - ECC statistics for a read operation
[all …]
/linux/include/linux/mtd/
H A Dspinand.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2016-2017 Micron Technology, Inc.
17 #include <linux/spi/spi-mem.h>
280 * struct spinand_id - SPI NAND id structure
297 * struct spinand_devid - SPI NAND device id structure
305 * read_id opcode + 1-byte address.
316 * struct manufacurer_ops - SPI NAND manufacturer specific operations
329 * struct spinand_manufacturer - SPI NAND manufacturer instance
360 * struct spinand_op_variants - SPI NAND operation variants
364 * Some operations like read-from-cache/write-to-cache have several variants
[all …]
/linux/Documentation/devicetree/bindings/nvmem/
H A Dmicrochip,lan9662-otpc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/microchip,lan9662-otpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip LAN9662 OTP Controller (OTPC)
10 - Horatiu Vultur <horatiu.vultur@microchip.com>
13 OTP controller drives a NVMEM memory where system specific data
15 user specific data could be stored.
18 - $ref: nvmem.yaml#
23 - items:
[all …]
H A Dmicrochip,sama7g5-otpc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/microchip,sama7g5-otpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip SAMA7G5 OTP Controller (OTPC)
10 - Claudiu Beznea <claudiu.beznea@microchip.com>
13 OTP controller drives a NVMEM memory where system specific data
15 settings, chip identifiers) or user specific data could be stored.
18 - $ref: nvmem.yaml#
19 - $ref: nvmem-deprecated-cells.yaml#
[all …]
/linux/drivers/nvmem/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 calibration data required for the PCIe or the USB-C PHY.
41 be called nvmem-apple-efuses.
50 and RTC-related settings on a SPMI-attached PMIC present on Apple
54 will be called apple-nvmem-spmi.
57 tristate "Broadcom On-Chip OTP Controller support"
62 Say y here to enable read/write access to the Broadcom OTP
66 will be called nvmem-bcm-ocotp.
86 will be called nvmem-imx-iim.
89 tristate "i.MX 6/7/8 On-Chip OTP Controller support"
[all …]
/linux/drivers/mtd/chips/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 support any device that is CFI-compliant, you need to enable this
18 tristate "Detect non-CFI AMD/JEDEC-compatible flash chips"
22 This option enables JEDEC-style probing of flash chips which are not
24 CFI-targeted flash drivers for any chips which are identified which
26 covers most AMD/Fujitsu-compatible chips and also non-CFI
53 are expected to be wired to the CPU in 'host-endian' form.
85 bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY
92 bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY
99 bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY
[all …]
H A Dcfi_cmdset_0001.c1 // SPDX-License-Identifier: GPL-2.0
10 * - completely revamped method functions so they are aware and
12 * - scalability vs code size is completely set at compile-time
14 * - optimized write buffer method
16 * - reworked lock/unlock/erase support for var size flash
18 * - auto unlock sectors on resume for auto locking flash on power up
124 printk(" Extended Query version %c.%c\n", extp->MajorVersion, extp->MinorVersion); in cfi_tell_features()
125 printk(" Feature/Command Support: %4.4X\n", extp->FeatureSupport); in cfi_tell_features()
126 printk(" - Chip Erase: %s\n", extp->FeatureSupport&1?"supported":"unsupported"); in cfi_tell_features()
127 printk(" - Suspend Erase: %s\n", extp->FeatureSupport&2?"supported":"unsupported"); in cfi_tell_features()
[all …]
/linux/Documentation/devicetree/bindings/nvmem/layouts/
H A Dkontron,sl28-vpd.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/layouts/kontron,sl28-vpd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVMEM layout of the Kontron SMARC-sAL28 vital product data
10 - Michael Walle <michael@walle.cc>
15 on-board ethernet devices are derived from this base MAC address by
22 const: kontron,sl28-vpd
24 serial-number:
30 base-mac-address:
[all …]
H A Donie,tlv-layout.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/layouts/onie,tlv-layout.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
14 infrastructure shall provide a non-volatile memory with a table whose the
26 const: onie,tlv-layout
28 product-name:
32 part-number:
36 serial-number:
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/linux/Documentation/security/keys/
H A Dtrusted-encrypted.rst7 and in both cases all keys are created in the kernel, and user space sees,
10 system. All user level blobs, are displayed and loaded in hex ASCII for
33 (2) TEE (Trusted Execution Environment: OP-TEE based on Arm TrustZone)
35 Rooted to Hardware Unique Key (HUK) which is generally burnt in on-chip
41 mode, trust is rooted to the OTPMK, a never-disclosed 256-bit key
45 (4) DCP (Data Co-Processor: crypto accelerator of various i.MX SoCs)
47 Rooted to a one-time programmable key (OTP) that is generally burnt
48 in the on-chip fuses and is accessible to the DCP encryption engine only.
49 DCP provides two keys that can be used as root of trust: the OTP key
51 the OTP key can be done via a module parameter (dcp_use_otp_key).
[all …]
/linux/Documentation/ABI/stable/
H A Dsysfs-bus-nvmem6 This read/write attribute allows users to set read-write
7 devices as read-only and back to read-write from userspace.
8 This can be used to unlock and relock write-protection of
11 Read returns '0' or '1' for read-write or read-only modes
23 This file allows user to read/write the raw NVMEM contents.
46 This read-only attribute allows user to read the NVMEM
48 "OTP", "Battery backed", "FRAM".
/linux/Documentation/ABI/testing/
H A Dsysfs-platform-silicom1 What: /sys/devices/platform/silicom-platform/uc_version
4 Contact: Henry Shi <henrys@silicom-usa.com>
9 What: /sys/devices/platform/silicom-platform/power_cycle
12 Contact: Henry Shi <henrys@silicom-usa.com>
14 This file allow user to power cycle the platform.
19 0 - default value.
21 What: /sys/devices/platform/silicom-platform/efuse_status
24 Contact: Henry Shi <henrys@silicom-usa.com>
27 OTP status:
29 0 - not programmed.
[all …]
/linux/drivers/mtd/
H A Dmtdcore.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
24 #include <linux/backing-dev.h>
31 #include <linux/nvmem-provider.h>
33 #include <linux/error-injection.h>
95 dev_t index = MTD_DEVT(mtd->index); in mtd_release()
97 idr_remove(&mtd_idr, mtd->index); in mtd_release()
112 debugfs_remove_recursive(mtd->dbg.dfs_dir); in mtd_device_release()
115 nvmem_unregister(mtd->nvmem); in mtd_device_release()
117 device_unregister(&mtd->dev); in mtd_device_release()
[all …]
/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1028a-kontron-sl28.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * Device Tree file for the Kontron SMARC-sAL28 board.
9 /dts-v1/;
10 #include "fsl-ls1028a.dtsi"
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/input/input.h>
16 model = "Kontron SMARC-sAL28";
33 compatible = "gpio-keys";
35 power-button {
[all …]
/linux/drivers/iio/gyro/
H A Dmpu3050-core.c1 // SPDX-License-Identifier: GPL-2.0-only
39 * Register map: anything suffixed *_H is a big-endian high byte and always
76 /* Bits 8-11 select memory bank */
163 * Fullscale precision is (for finest precision) +/- 250 deg/s, so the full
184 if (mpu3050->lpf == MPU3050_DLPF_CFG_256HZ_NOLPF2) in mpu3050_get_freq()
188 freq /= (mpu3050->divisor + 1); in mpu3050_get_freq()
200 ret = regmap_set_bits(mpu3050->map, MPU3050_PWR_MGM, in mpu3050_start_sampling()
205 /* Turn on the Z-axis PLL */ in mpu3050_start_sampling()
206 ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, in mpu3050_start_sampling()
214 raw_val[i] = cpu_to_be16(mpu3050->calibration[i]); in mpu3050_start_sampling()
[all …]
/linux/drivers/mtd/devices/
H A Dmtd_dataflash.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2003-2005 SAN People (Pty) Ltd
28 * Sometimes DataFlash is packaged in MMC-format cards, although the
57 #define OP_MWRITE_BUFFER1 0x88 /* sector must be pre-erased */
58 #define OP_MWRITE_BUFFER2 0x89 /* sector must be pre-erased */
60 /* write to buffer, then write-erase to flash */
68 /* read flash to buffer, then write-erase to flash */
73 * serial number and OTP bits; and per-sector writeprotect.
129 * This usually takes 5-20 msec or so; more for sector erase.
138 dev_dbg(&spi->dev, "status %d?\n", status); in dataflash_waitready()
[all …]
/linux/drivers/input/mouse/
H A Dalps.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com>
94 #define ALPS_PASS 0x04 /* device has a pass-through port */
100 #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with
101 6-byte ALPS packet */
117 { { 0x33, 0x02, 0x0a }, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } }, /* UMAX-530T */
119 ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */
128 …{ { 0x63, 0x02, 0x3c }, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-…
132 …{ { 0x73, 0x00, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG…
180 /* Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> */
[all …]
/linux/fs/xfs/
H A Dxfs_trans_dquot.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002 Silicon Graphics, Inc.
35 ASSERT(dqp->q_logitem.qli_dquot == dqp); in xfs_trans_dqjoin()
40 xfs_trans_add_item(tp, &dqp->q_logitem.qli_item); in xfs_trans_dqjoin()
61 if (dqp->q_id != 0 && in xfs_trans_log_dquot()
62 xfs_has_bigtime(tp->t_mountp) && in xfs_trans_log_dquot()
63 !(dqp->q_type & XFS_DQTYPE_BIGTIME)) in xfs_trans_log_dquot()
64 dqp->q_type |= XFS_DQTYPE_BIGTIME; in xfs_trans_log_dquot()
66 tp->t_flags |= XFS_TRANS_DIRTY; in xfs_trans_log_dquot()
67 set_bit(XFS_LI_DIRTY, &dqp->q_logitem.qli_item.li_flags); in xfs_trans_log_dquot()
[all …]
/linux/drivers/power/supply/
H A Dab8500-bm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
108 * OTP register offsets
267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
283 * @user_cap_limit Capacity reported from user must be within this
317 * struct ab8500_charger_maximization - struct used by the board config.
331 * struct ab8500_bm_capacity_levels - ab8500 capacity level data
347 * struct ab8500_bm_charger_parameters - Charger specific parameters
361 * struct ab8500_bm_data - ab8500 battery management data
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dst,stm32-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 STM32 ADC is a successive approximation analog-to-digital converter.
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
27 - st,stm32f4-adc-core
28 - st,stm32h7-adc-core
[all …]
/linux/drivers/media/i2c/
H A Dhi846.c1 // SPDX-License-Identifier: GPL-2.0
14 #include <media/v4l2-ctrls.h>
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-fwnode.h>
147 #define HI846_REG_TEST_PATTERN 0x020a /* 1-9 */
783 /* for OTP */
786 /* for OTP */
858 /* For OTP */
908 /* For OTP */
978 /* For OTP */
[all …]
/linux/drivers/mfd/
H A Dwm831x-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm831x-core.c -- Device access for Wolfson WM831x PMICs
24 #include <linux/mfd/wm831x/otp.h>
28 /* Current settings - values are 2*2^(reg_val/4) microamps. These are
93 if (!wm831x->locked) in wm831x_reg_locked()
111 * wm831x_reg_lock: Unlock user keyed registers
113 * The WM831x has a user key preventing writes to particularly
125 dev_vdbg(wm831x->dev, "Registers locked\n"); in wm831x_reg_lock()
127 mutex_lock(&wm831x->io_lock); in wm831x_reg_lock()
128 WARN_ON(wm831x->locked); in wm831x_reg_lock()
[all …]
/linux/drivers/net/wireless/ath/wil6210/
H A Dwmi.c1 // SPDX-License-Identifier: ISC
3 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
24 " 0 - use default; < 0 - don't auto-establish");
29 " 60G device led enablement. Set the led ID (0-2) to enable");
35 * DOC: WMI event receiving - theory of operations
42 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
47 * if WMI event handling involves another WMI command flow, this 2-nd flow
52 * DOC: Addressing - theory of operations
57 * - MAC CPU (ucode)
[all …]

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