tee_spi.h File Reference

TEE SPI public API. More...

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Data Structures
struct	TEES_SPIConfig
	Configuration of SPI device. More...
struct	TEES_SPITransfer
	Descriptor to transfer data over SPI. More...

Typedefs
typedef struct __TEES_SPIHandlerImpl *	TEES_SPIHandler

Functions
TEE_Result	TEES_SPIDMAInit (uintptr_t address)
	Initialize DMA for working with SPI device. More...
TEE_Result	TEES_SPIInit (uint32_t port, const TEES_SPIConfig *cfg, TEES_SPIHandler *handler)
	Initialize handler fields. More...
TEE_Result	TEES_SPIExit (TEES_SPIHandler handler)
	Free handler resource. More...
TEE_Result	TEES_SPISetConfig (TEES_SPIHandler handler, const TEES_SPIConfig *cfg)
	Initialize handler with configuration values. More...
TEE_Result	TEES_SPISetClockSpeed (TEES_SPIHandler handler, uint32_t speedHz)
	Set clock frequency rate. More...
TEE_Result	TEES_SPISetBitsPerWord (TEES_SPIHandler handler, uint8_t bitsPerWord)
	Set the number of bits that will be transferred per SPI rate. More...
TEE_Result	TEES_SPISetDMAMode (TEES_SPIHandler handler, bool isEnabled)
	Enable or disable DMA mode. More...
TEE_Result	TEES_SPISetCPOL (TEES_SPIHandler handler, uint8_t cpol)
	Set SPI clock polarity bit. More...
TEE_Result	TEES_SPISetCPHA (TEES_SPIHandler handler, uint8_t cpha)
	Set SPI clock phase bit. More...
TEE_Result	TEES_SPIClockEnable (TEES_SPIHandler handler)
	Not implemented. More...
TEE_Result	TEES_SPIClockDisable (TEES_SPIHandler handler)
	Not implemented. More...
TEE_Result	TEES_SPIWrite (TEES_SPIHandler handler, TEES_SPITransfer *tx)
	Transfer data from buffer bus to SPI. More...
TEE_Result	TEES_SPIRead (TEES_SPIHandler handler, TEES_SPITransfer *rx)
	Transfer data from SPI bus to buffer. More...
TEE_Result	TEES_SPIWriteRead (TEES_SPIHandler handler, TEES_SPITransfer *tx, TEES_SPITransfer *rx)
	Transfer data from buffer to SPI bus. More...

Detailed Description

TEE SPI public API.

Copyright

(C) 2012-2019, Samsung Electronics Co., Ltd.