Lines Matching +full:stm32 +full:- +full:xspi +full:- +full:nor

1 # Copyright (c) 2021 - 2024 STMicroelectronics
2 # SPDX-License-Identifier: Apache-2.0
5     STM32 XSPI Flash controller supporting the JEDEC CFI interface
7     Representation of a serial flash on a xspi bus:
9         mx25lm51245: xspi-nor-flash@70000000 {
10                 compatible = "st,stm32-xspi-nor";
12                 data-mode = <XSPI_OCTO_MODE>; /* access on 8 data lines */
13                 data-rate = <XSPI_DTR_TRANSFER>; /* access in DTR */
14                 ospi-max-frequency = <DT_FREQ_M(50)>;
18 compatible: "st,stm32-xspi-nor"
21   - name: st,stm32-ospi-nor.yaml
22     property-blocklist:
23       - spi-bus-width
24       - data-rate
26   spi-bus-width:
30      The width of XSPI bus to which flash memory is connected.
33       - XSPI_SPI_MODE  <1> = SPI mode on 1 data line
34       - XSPI_DUAL_MODE <2> = Dual mode on 2 data lines
35       - XSPI_QUAD_MODE <4> = Quad mode on 4 data lines
36       - XSPI_OCTO_MODE <8> = Octo mode on 8 data lines
38       - 1
39       - 2
40       - 4
41       - 8
42   data-rate:
49       - XSPI_STR_TRANSFER <1> = Single Rate Transfer
50       - XSPI_DTR_TRANSFER <2> = Dual Rate Transfer (only with XSPI_OCTO_MODE)
52       - 1
53       - 2
55   ncs-line:
59       - 1
60       - 2
62       Specifies which nCS line of the XSPI IO Manager is connected to the Flash.