1 /*
2  * Copyright (c) 2024 STMicroelectronics
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_XSPI_H_
7 #define ZEPHYR_INCLUDE_DT_BINDINGS_XSPI_H_
8 
9 /**
10  * @name XSPI definition for the xSPI peripherals
11  * Note that
12  *  SPI mode impossible in STR transfer rate only
13  */
14 
15 /* XSPI mode operating on 1 line, 2 lines, 4 lines or 8 lines */
16 /* 1 Cmd Line, 1 Address Line and 1 Data Line    */
17 #define XSPI_SPI_MODE                     1
18 /* 2 Cmd Lines, 2 Address Lines and 2 Data Lines */
19 #define XSPI_DUAL_MODE                    2
20 /* 4 Cmd Lines, 4 Address Lines and 4 Data Lines */
21 #define XSPI_QUAD_MODE                    4
22 /* 8 Cmd Lines, 8 Address Lines and 8 Data Lines */
23 #define XSPI_OCTO_MODE                    8
24 
25 /* XSPI mode operating on Single or Double Transfer Rate */
26 /* Single Transfer Rate */
27 #define XSPI_STR_TRANSFER                 1
28 /* Double Transfer Rate */
29 #define XSPI_DTR_TRANSFER                 2
30 
31 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_XSPI_H_ */
32