diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 3e9dd645ee54..ba83ff4512c9 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -119,6 +119,9 @@ #define SPI_FRAME_BITS_16 SPI_CTAR_FMSZ(0xf) #define SPI_FRAME_BITS_8 SPI_CTAR_FMSZ(0x7) +#define SPI_FRAME_EBITS(bits) SPI_CTARE_FMSZE(((bits) - 1) >> 4) +#define SPI_FRAME_EBITS_MASK SPI_CTARE_FMSZE(1) + /* Register offsets for regmap_pushr */ #define PUSHR_CMD 0x0 #define PUSHR_TX 0x2 @@ -662,6 +665,10 @@ static int dspi_transfer_one_message(struct spi_master *master, regmap_write(dspi->regmap, SPI_CTAR(0), dspi->cur_chip->ctar_val | SPI_FRAME_BITS(transfer->bits_per_word)); + if (dspi->devtype_data->xspi_mode) + regmap_write(dspi->regmap, SPI_CTARE(0), + SPI_FRAME_EBITS(transfer->bits_per_word) + | SPI_CTARE_DTCP(1)); trans_mode = dspi->devtype_data->trans_mode; switch (trans_mode) { @@ -922,6 +929,9 @@ static void dspi_init(struct fsl_dspi *dspi) { regmap_write(dspi->regmap, SPI_MCR, SPI_MCR_MASTER | SPI_MCR_PCSIS); regmap_write(dspi->regmap, SPI_SR, SPI_SR_CLEAR); + if (dspi->devtype_data->xspi_mode) + regmap_write(dspi->regmap, SPI_CTARE(0), + SPI_CTARE_FMSZE(0) | SPI_CTARE_DTCP(1)); } static int dspi_probe(struct platform_device *pdev) |