nxp,s32-qspi

Vendor: NXP Semiconductors

Note

An implementation of a driver matching this compatible is available in drivers/memc/memc_nxp_s32_qspi.c.

Description

These nodes are “qspi” bus nodes.

NXP S32 Quad Serial Peripheral Interface (QSPI) Controller.

QSPI acts as an interface to up to two serial flash memory devices, each with
up to eight bidirectional bidirectional data lines, depending on the platform.

Properties

Top level properties

These property descriptions apply to “nxp,s32-qspi” nodes themselves. This page also describes child node properties in the following sections.

Properties not inherited from the base binding file.

Name

Type

Details

data-rate

string

 
Selects the read mode:
- Single Data Rate (SDR): sampling of incoming data occurs on single edges.
- Double Data Rate (DDR): sampling of incoming data occurs on both edges.

Legal values: 'SDR', 'DDR'

hold-time-2x

boolean

 
Set to align incoming data with 2x serial flash half clock, when in DDR
mode. Otherwise, data will be aligned to the posedge of the controller's
internal reference clock.

sample-delay-half-cycle

boolean

 
Set to use half-cycle early DQS delay when sampling received data.

sample-phase-inverted

boolean

 
Set to sample received data at inverted clock.

cs-setup-time

int

 
Chip select setup time, in serial clock cycles. A bigger value will pull
the CS signal earlier before the transaction starts.
The default corresponds to the reset value of the register field.

Default value: 3

cs-hold-time

int

 
Chip select hold time, in serial clock cycles. A bigger value will release
the CS signal later after the transaction ends.
The default corresponds to the reset value of the register field.

Default value: 3

column-space

int

 
Column Address Space bit width. For example, if the column address is
[2:0] of QSPI_SFAR/AHB address, then the column address space bit width
must be 3. If there is no column address separation in any serial flash
device connected to this controller, this value must be programmed to 0.
The default corresponds to the reset value of the register field.

word-addressable

boolean

 
Set if the serial flash device connected to this controller is word
(2 bytes) addressable.

byte-swapping

boolean

 
In case of Octal DDR mode, specifies whether a word unit composed of two
bytes from posedge and negedge of a single DQS cycle needs to be swapped.

ahb-buffers-masters

array

 
Masters ID's for the AHB receive buffers. The master ID of every incoming
request is checked and the data is returned or fetched into the
corresponding associated buffer. The maximum number of buffers is SoC
specific.

ahb-buffers-sizes

array

 
Sizes (in bytes) of the AHB receive buffers. The maximum buffer size and
maximum number of buffers is SoC specific.

ahb-buffers-all-masters

boolean

 
Any access from a master not associated with any other buffer is routed to
the last buffer.

a-rx-clock-source

string

 
Selects DQS clock source for sampling read data at side A:
- LOOPBACK: use loopback clock from dummy internal PAD as strobe signal.
- LOOPBACK DQS: use loopback clock from PAD as strobe signal.
- INTERNAL DQS: use internally generated strobe signal.
- EXTERNAL DQS: use external strobe signal.

Legal values: 'LOOPBACK', 'LOOPBACK DQS', 'INTERNAL DQS', 'EXTERNAL DQS'

a-io2-idle-high

boolean

 
Set if the logic level of IO2 signal output of this controller must be
driven high in the inactive state.
This property applies to side A of the controller.

a-io3-idle-high

boolean

 
Set if the logic level of IO3 signal output of this controller must be
driven high in the inactive state.
This property applies to side A of the controller.

a-dll-mode

string

 
DLL mode. The supported modes depends on the SoC.
This property applies to side A of the controller.

Default value: BYPASSED

Legal values: 'BYPASSED', 'MANUAL UPDATE', 'AUTO UPDATE'

a-dll-freq-enable

boolean

 
Selects delay-chain for high frequency of operation.
This property applies to side A of the controller.

a-dll-ref-counter

int

 
Select the "n+1" interval of DLL phase detection and reference delay
updating interval.
Minimum recommended value is 1 (reset value).
This property applies to side A of the controller.

Default value: 1

Legal values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

a-dll-resolution

int

 
Minimum resolution for DLL phase detector to remain locked/unlocked based
on flash memory clock jitter.
The minimum value is 2 (reset value).
This property applies to side A of the controller.

Default value: 2

Legal values: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

a-dll-coarse-delay

int

 
This field sets the number of delay elements in each delay tap. The field
is used to overwrite DLL-generated delay values.
Default to 0 (reset value).
This property applies to side A of the controller.

Legal values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

a-dll-fine-delay

int

 
This field sets the number of fine offset delay elements up to 16 in
incoming DQS.
Default to 0 (reset value).
This property applies to side A of the controller.

Legal values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

a-dll-tap-select

int

 
Selects the Nth tap provided by the slave delay-chain.
Default to 0 (reset value).
This property applies to side A of the controller.

Legal values: 0, 1, 2, 3, 4, 5, 6, 7

pinctrl-0

phandles

 
Pin configuration/s for the first state. Content is specific to the
selected pin controller driver implementation.

pinctrl-1

phandles

 
Pin configuration/s for the second state. See pinctrl-0.

pinctrl-2

phandles

 
Pin configuration/s for the third state. See pinctrl-0.

pinctrl-3

phandles

 
Pin configuration/s for the fourth state. See pinctrl-0.

pinctrl-4

phandles

 
Pin configuration/s for the fifth state. See pinctrl-0.

pinctrl-names

string-array

 
Names for the provided states. The number of names needs to match the
number of states.

Child node properties

Name

Type

Details

reg

array

 
register space

This property is required.

See Important properties for more information.

memory-alignment

int

 
Memory alignment in bytes, used to calculate padding when performing
unaligned accesses.
If not provided, 1 byte alignment will be selected.

status

string

 
indicates the operational status of a device

Legal values: 'ok', 'okay', 'disabled', 'reserved', 'fail', 'fail-sss'

See Important properties for more information.

compatible

string-array

 
compatible strings

This property is required.

See Important properties for more information.

reg-names

string-array

 
name of each register space

interrupts

array

 
interrupts for device

See Important properties for more information.

interrupts-extended

compound

 
extended interrupt specifier for device

interrupt-names

string-array

 
name of each interrupt

interrupt-parent

phandle

 
phandle to interrupt controller node

label

string

 
Human readable string describing the device (used as device_get_binding() argument)

See Important properties for more information.

This property is deprecated.

clocks

phandle-array

 
Clock gate information

clock-names

string-array

 
name of each clock

#address-cells

int

 
number of address cells in reg property

#size-cells

int

 
number of size cells in reg property

dmas

phandle-array

 
DMA channels specifiers

dma-names

string-array

 
Provided names of DMA channel specifiers

io-channels

phandle-array

 
IO channels specifiers

io-channel-names

string-array

 
Provided names of IO channel specifiers

mboxes

phandle-array

 
mailbox / IPM channels specifiers

mbox-names

string-array

 
Provided names of mailbox / IPM channel specifiers

power-domains

phandle-array

 
Power domain specifiers

power-domain-names

string-array

 
Provided names of power domain specifiers

#power-domain-cells

int

 
Number of cells in power-domains property

zephyr,deferred-init

boolean

 
Do not initialize device automatically on boot. Device should be manually
initialized using device_init().

wakeup-source

boolean

 
Property to identify that a device can be used as wake up source.

When this property is provided a specific flag is set into the
device that tells the system that the device is capable of
wake up the system.

Wake up capable devices are disabled (interruptions will not wake up
the system) by default but they can be enabled at runtime if necessary.

zephyr,pm-device-runtime-auto

boolean

 
Automatically configure the device for runtime power management after the
init function runs.

zephyr,disabling-power-states

phandles

 
List of power states that will disable this device power.

jedec-id

uint8-array

 
JEDEC ID as manufacturer ID, memory type, memory density

size

int

 
flash capacity in bits

sfdp-bfp

uint8-array

 
Contains the 32-bit words in little-endian byte order from the
JESD216 Serial Flash Discoverable Parameters Basic Flash
Parameters table.  This provides flash-specific configuration
information in cases were runtime retrieval of SFDP data
is not desired.

quad-enable-requirements

string

 
Quad Enable Requirements value from JESD216 BFP DW15.

Use NONE if the device detects 1-1-4 and 1-4-4 modes by the
instruction.  Use S1B6 if QE is bit 6 of the first status register
byte, and can be configured by reading then writing one byte with
RDSR and WRSR.  For other fields see the specification.

Legal values: 'NONE', 'S2B1v1', 'S1B6', 'S2B7', 'S2B1v4', 'S2B1v5', 'S2B1v6'

enter-4byte-addr

int

 
Enter 4-Byte Addressing value from JESD216 BFP DW16

This property is ignored if the device is configured to use SFDP data
from the sfdp-bfp property (CONFIG_SPI_NOR_SFDP_DEVICETREE) or to read
SFDP properties at runtime (CONFIG_SPI_NOR_SFDP_RUNTIME).

For CONFIG_SPI_NOR_SFDP_MINIMAL this is the 8-bit value from bits 31:24
of DW16 identifying ways a device can be placed into 4-byte addressing
mode.  If provided as a non-zero value the driver assumes that 4-byte
addressing is require to access the full address range, and
automatically puts the device into 4-byte address mode when the device
is initialized.

page-size

int

 
Number of bytes in a page from JESD216 BFP DW11

This property is only used in the CONFIG_SPI_NOR_SFDP_MINIMAL configuration.
It is ignored if the device is configured to use SFDP data
from the sfdp-bfp property (CONFIG_SPI_NOR_SFDP_DEVICETREE) or
if the SFDP parameters are read from the device at
runtime (CONFIG_SPI_NOR_SFDP_RUNTIME).

The default value is 256 bytes if the value is not specified.