spi: spi-fsl-dspi: LS2080A and LX2160A support XSPI mode

XSPI allows for 2 extra features:
- Command cycling (use a single TX command with more than 1 word in the
  TX FIFO).
- Increased word size (from 16 bits to 32 bits)

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Message-Id: <20200302001958.11105-5-olteanv@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 55ccb3d..d21cc5c 100644 (file)
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -179,6 +179,7 @@ static const struct fsl_dspi_devtype_data devtype_data[] = {
                .trans_mode             = DSPI_TCFQ_MODE,
                .max_clock_factor       = 8,
                .ptp_sts_supported      = true,
+               .xspi_mode              = true,
                .fifo_size              = 4,
        },
        [LS2085A] = {
@@ -191,6 +192,7 @@ static const struct fsl_dspi_devtype_data devtype_data[] = {
                .trans_mode             = DSPI_TCFQ_MODE,
                .max_clock_factor       = 8,
                .ptp_sts_supported      = true,
+               .xspi_mode              = true,
                .fifo_size              = 4,
        },
        [MCF5441X] = {