| Sheetal Tigadoli | 3bb1b4c | 2020-01-05 21:19:02 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 - 2020, Broadcom |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef SPI_H |
| 8 | #define SPI_H |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | #define SPI_XFER_BEGIN (1 << 0) /* Assert CS before transfer */ |
| 13 | #define SPI_XFER_END (1 << 1) /* De-assert CS after transfer */ |
| 14 | #define SPI_XFER_QUAD (1 << 2) |
| 15 | |
| 16 | int spi_init(void); |
| 17 | int spi_claim_bus(void); |
| 18 | void spi_release_bus(void); |
| 19 | int spi_xfer(uint32_t bitlen, const void *dout, void *din, uint32_t flags); |
| 20 | |
| 21 | #endif /* _SPI_H_ */ |