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Kinetis:SPI driver

This commit is contained in:
David Sidrane 2017-06-08 16:30:48 -10:00
parent de3695d32b
commit b2d929e40a
3 changed files with 1251 additions and 1 deletions
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4
arch/arm/src/kinetis/Make.defs
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@ -140,6 +140,10 @@ ifeq ($(CONFIG_KINETIS_SDHC),y)
CHIP_CSRCS += kinetis_sdhc.c CHIP_CSRCS += kinetis_sdhc.c
endif endif
ifeq ($(CONFIG_SPI),y)
CHIP_CSRCS += kinetis_spi.c
endif
ifeq ($(CONFIG_USBDEV),y) ifeq ($(CONFIG_USBDEV),y)
CHIP_CSRCS += kinetis_usbdev.c CHIP_CSRCS += kinetis_usbdev.c
endif endif

6
arch/arm/src/kinetis/chip/kinetis_dspi.h
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@ -140,7 +140,7 @@
#define SPI_MCR_PCSIS_SHIFT (16) /* Bits 16-21: Peripheral Chip Select x Inactive State */ #define SPI_MCR_PCSIS_SHIFT (16) /* Bits 16-21: Peripheral Chip Select x Inactive State */
#define SPI_MCR_PCSIS_MASK (0x3f << SPI_MCR_PCSIS_SHIFT) #define SPI_MCR_PCSIS_MASK (0x3f << SPI_MCR_PCSIS_SHIFT)
# define SPI_MCR_PCSIS_CS(n) ((1 << (n)) << SPI_MCR_PCSIS_SHIFT) # define SPI_MCR_PCSIS_CS(n) ((1 << (n)) << SPI_MCR_PCSIS_SHIFT)
/* Bits 22–23: Reserved */ /* Bits 22-23: Reserved */
#define SPI_MCR_ROOE (1 << 24) /* Bit 24: Receive FIFO Overflow Overwrite Enable */ #define SPI_MCR_ROOE (1 << 24) /* Bit 24: Receive FIFO Overflow Overwrite Enable */
#define SPI_MCR_PCSSE (1 << 25) /* Bit 25: Peripheral Chip Select Strobe Enable */ #define SPI_MCR_PCSSE (1 << 25) /* Bit 25: Peripheral Chip Select Strobe Enable */
#define SPI_MCR_MTFE (1 << 26) /* Bit 26: Modified Timing Format Enable */ #define SPI_MCR_MTFE (1 << 26) /* Bit 26: Modified Timing Format Enable */
@ -165,6 +165,7 @@
#define SPI_CTARM_BR_SHIFT (0) /* Bits 0-3: Baud Rate Scaler */ #define SPI_CTARM_BR_SHIFT (0) /* Bits 0-3: Baud Rate Scaler */
#define SPI_CTARM_BR_MASK (15 << SPI_CTARM_BR_SHIFT) #define SPI_CTARM_BR_MASK (15 << SPI_CTARM_BR_SHIFT)
# define SPI_CTARM_BR(n) ((((n) & 0xf)) << SPI_CTARM_BR_SHIFT)
# define SPI_CTARM_BR_2 (0 << SPI_CTARM_BR_SHIFT) # define SPI_CTARM_BR_2 (0 << SPI_CTARM_BR_SHIFT)
# define SPI_CTARM_BR_4 (1 << SPI_CTARM_BR_SHIFT) # define SPI_CTARM_BR_4 (1 << SPI_CTARM_BR_SHIFT)
# define SPI_CTARM_BR_6 (2 << SPI_CTARM_BR_SHIFT) # define SPI_CTARM_BR_6 (2 << SPI_CTARM_BR_SHIFT)
@ -205,6 +206,7 @@
# define SPI_CTARM_CSSCK_65536 (15 << SPI_CTARM_CSSCK_SHIFT) # define SPI_CTARM_CSSCK_65536 (15 << SPI_CTARM_CSSCK_SHIFT)
#define SPI_CTARM_PBR_SHIFT (16) /* Bits 16-17: Baud Rate Prescaler */ #define SPI_CTARM_PBR_SHIFT (16) /* Bits 16-17: Baud Rate Prescaler */
#define SPI_CTARM_PBR_MASK (3 << SPI_CTARM_PBR_SHIFT) #define SPI_CTARM_PBR_MASK (3 << SPI_CTARM_PBR_SHIFT)
# define SPI_CTARM_PBR(n) (((n) & 0x3) << SPI_CTARM_PBR_SHIFT)
# define SPI_CTARM_PBR_2 (0 << SPI_CTARM_PBR_SHIFT) # define SPI_CTARM_PBR_2 (0 << SPI_CTARM_PBR_SHIFT)
# define SPI_CTARM_PBR_3 (1 << SPI_CTARM_PBR_SHIFT) # define SPI_CTARM_PBR_3 (1 << SPI_CTARM_PBR_SHIFT)
# define SPI_CTARM_PBR_5 (2 << SPI_CTARM_PBR_SHIFT) # define SPI_CTARM_PBR_5 (2 << SPI_CTARM_PBR_SHIFT)
@ -231,6 +233,7 @@
/* Bits 25-26: See common bits above */ /* Bits 25-26: See common bits above */
#define SPI_CTARM_FMSZ_SHIFT (27) /* Bits 27-30: Frame Size */ #define SPI_CTARM_FMSZ_SHIFT (27) /* Bits 27-30: Frame Size */
#define SPI_CTARM_FMSZ_MASK (15 << SPI_CTARM_FMSZ_SHIFT) #define SPI_CTARM_FMSZ_MASK (15 << SPI_CTARM_FMSZ_SHIFT)
#define SPI_CTARM_FMSZ(n) ((((n) & 0xf)) << SPI_CTARM_FMSZ_SHIFT)
#define SPI_CTARM_DBR (1 << 31) /* Bit 31: Double Baud Rate */ #define SPI_CTARM_DBR (1 << 31) /* Bit 31: Double Baud Rate */
/* DSPI Clock and Transfer Attributes Register (Slave Mode) */ /* DSPI Clock and Transfer Attributes Register (Slave Mode) */
@ -281,6 +284,7 @@
#define SPI_PUSHR_TXDATA_SHIFT (0) /* Bits 0-15: Transmit Data */ #define SPI_PUSHR_TXDATA_SHIFT (0) /* Bits 0-15: Transmit Data */
#define SPI_PUSHR_TXDATA_MASK (0xffff << SPI_PUSHR_TXDATA_SHIFT) #define SPI_PUSHR_TXDATA_MASK (0xffff << SPI_PUSHR_TXDATA_SHIFT)
# define SPI_PUSHR_TXDATA(d) (((d) & 0xffff) << SPI_PUSHR_TXDATA_SHIFT)
#define SPI_PUSHR_PCS_SHIFT (16) /* Bits 16-21: Select PCS signals to assert */ #define SPI_PUSHR_PCS_SHIFT (16) /* Bits 16-21: Select PCS signals to assert */
#define SPI_PUSHR_PCS_MASK (0x3f << SPI_PUSHR_PCS_SHIFT) #define SPI_PUSHR_PCS_MASK (0x3f << SPI_PUSHR_PCS_SHIFT)
# define SPI_PUSHR_PCS(n) ((1 << (n)) << SPI_PUSHR_PCS_SHIFT) # define SPI_PUSHR_PCS(n) ((1 << (n)) << SPI_PUSHR_PCS_SHIFT)

1242
arch/arm/src/kinetis/kinetis_spi.c Normal file
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