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| author | Alistair Delva <adelva@google.com> | 2021-02-16 21:01:22 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2021-02-16 21:01:22 +0000 |
| commit | efb2826bb8160e2d8e0fcec85133a7468484f9fd (patch) | |
| tree | 37a21c69306801ee7cdda5167a30896c8740155b /include/drivers/brcm/spi.h | |
| parent | b00a71fc312c9781fa6f404dccfb55b062b2ccac (diff) | |
| parent | faa476c0caaa598afa5a6109d17102db5fe35ec6 (diff) | |
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Merge branch 'aosp/upstream-master' into HEAD am: faa476c0caHEADandroid-s-beta-5android-s-beta-4android-s-beta-3android-s-beta-2android-s-beta-1mastermain-cg-testing-releaseandroid-s-beta-5android-s-beta-4
Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611
MUST ONLY BE SUBMITTED BY AUTOMERGER
Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'include/drivers/brcm/spi.h')
| -rw-r--r-- | include/drivers/brcm/spi.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/drivers/brcm/spi.h b/include/drivers/brcm/spi.h new file mode 100644 index 000000000..9d92d8cfc --- /dev/null +++ b/include/drivers/brcm/spi.h @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2017 - 2020, Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SPI_H +#define SPI_H + +#include <stdint.h> + +#define SPI_XFER_BEGIN (1 << 0) /* Assert CS before transfer */ +#define SPI_XFER_END (1 << 1) /* De-assert CS after transfer */ +#define SPI_XFER_QUAD (1 << 2) + +int spi_init(void); +int spi_claim_bus(void); +void spi_release_bus(void); +int spi_xfer(uint32_t bitlen, const void *dout, void *din, uint32_t flags); + +#endif /* _SPI_H_ */ |