1 /* 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 #define OSPI_SPI_MODE 1 20 /* 2 Cmd Lines, 2 Address Lines and 2 Data Lines */ 21 #define OSPI_DUAL_MODE 2 22 /* 4 Cmd Lines, 4 Address Lines and 4 Data Lines */ 23 #define OSPI_QUAD_MODE 4 24 /* 8 Cmd Lines, 8 Address Lines and 8 Data Lines */ 25 #define OSPI_OPI_MODE 8 26 27 /* OSPI mode operating on Single or Double Transfer Rate */ 28 /* Single Transfer Rate */ 29 #define OSPI_STR_TRANSFER 1 30 /* Double Transfer Rate */ 31 #define OSPI_DTR_TRANSFER 2 32 33 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_OSPI_H_ */ 34
