Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2022 STMicroelectronics
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_FLASH_CONTROLLER_OSPI_H_
       7              : #define ZEPHYR_INCLUDE_DT_BINDINGS_FLASH_CONTROLLER_OSPI_H_
       8              : 
       9              : /**
      10              :  * @name OSPI definition for the OctoSPI peripherals
      11              :  * Note that the possible combination is
      12              :  *  SPI mode in STR transfer rate
      13              :  *  OPI mode in STR transfer rate
      14              :  *  OPI mode in DTR transfer rate
      15              :  */
      16              : 
      17              : /* OSPI mode operating on 1 line, 2 lines, 4 lines or 8 lines */
      18              : /* 1 Cmd Line, 1 Address Line and 1 Data Line    */
      19            0 : #define OSPI_SPI_MODE                     1
      20              : /* 2 Cmd Lines, 2 Address Lines and 2 Data Lines */
      21            0 : #define OSPI_DUAL_MODE                    2
      22              : /* 4 Cmd Lines, 4 Address Lines and 4 Data Lines */
      23            0 : #define OSPI_QUAD_MODE                    4
      24              : /* 8 Cmd Lines, 8 Address Lines and 8 Data Lines */
      25            0 : #define OSPI_OPI_MODE                     8
      26              : 
      27              : /* OSPI mode operating on Single or Double Transfer Rate */
      28              : /* Single Transfer Rate */
      29            0 : #define OSPI_STR_TRANSFER                 1
      30              : /* Double Transfer Rate */
      31            0 : #define OSPI_DTR_TRANSFER                 2
      32              : 
      33              : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_FLASH_CONTROLLER_OSPI_H_ */