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_OSPI_H_
       7             : #define ZEPHYR_INCLUDE_DT_BINDINGS_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_OSPI_H_ */