diff options
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 39b3c6f4f5c3..d83d3496d538 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -857,11 +857,23 @@ static int dspi_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(dspi_pm, dspi_suspend, dspi_resume); +static const struct regmap_range dspi_volatile_ranges[] = { + regmap_reg_range(SPI_MCR, SPI_TCR), + regmap_reg_range(SPI_SR, SPI_SR), + regmap_reg_range(SPI_PUSHR, SPI_RXFR3), +}; + +static const struct regmap_access_table dspi_volatile_table = { + .yes_ranges = dspi_volatile_ranges, + .n_yes_ranges = ARRAY_SIZE(dspi_volatile_ranges), +}; + static const struct regmap_config dspi_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, .max_register = 0x88, + .volatile_table = &dspi_volatile_table, }; static void dspi_init(struct fsl_dspi *dspi) |