diff options
| author |   Martin Hundebøll <mhu@silicom.dk> | 2021-07-16 15:54:40 +0200 |
|---|---|---|
| committer |   Moritz Fischer <mdf@kernel.org> | 2021-07-29 13:02:28 -0700 |
| commit | 4f45f3404960109843eaa92c8a4a850d6bdd9981 (patch) | |
| tree | 8ebb5fd40e665636902521eb7752ef452dddd630 /drivers/spi | |
| parent | fpga: dfl: expose feature revision from struct dfl_device (diff) | |
| download | linux-dev-4f45f3404960109843eaa92c8a4a850d6bdd9981.tar.xz linux-dev-4f45f3404960109843eaa92c8a4a850d6bdd9981.zip | |
spi: spi-altera-dfl: support n5010 feature revision
The Max10 BMC on the Silicom n5010 PAC is slightly different than the
existing BMCs, so use a dedicated feature revision detect it.
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-altera-dfl.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/spi/spi-altera-dfl.c b/drivers/spi/spi-altera-dfl.c index 39a3e1a032e0..44fc9ee13fc7 100644 --- a/drivers/spi/spi-altera-dfl.c +++ b/drivers/spi/spi-altera-dfl.c @@ -104,13 +104,6 @@ static const struct regmap_config indirect_regbus_cfg = { .reg_read = indirect_bus_reg_read, }; -static struct spi_board_info m10_bmc_info = { - .modalias = "m10-d5005", - .max_speed_hz = 12500000, - .bus_num = 0, - .chip_select = 0, -}; - static void config_spi_master(void __iomem *base, struct spi_master *master) { u64 v; @@ -130,6 +123,7 @@ static void config_spi_master(void __iomem *base, struct spi_master *master) static int dfl_spi_altera_probe(struct dfl_device *dfl_dev) { + struct spi_board_info board_info = { 0 }; struct device *dev = &dfl_dev->dev; struct spi_master *master; struct altera_spi *hw; @@ -170,9 +164,18 @@ static int dfl_spi_altera_probe(struct dfl_device *dfl_dev) goto exit; } - if (!spi_new_device(master, &m10_bmc_info)) { + if (dfl_dev->revision == FME_FEATURE_REV_MAX10_SPI_N5010) + strscpy(board_info.modalias, "m10-n5010", SPI_NAME_SIZE); + else + strscpy(board_info.modalias, "m10-d5005", SPI_NAME_SIZE); + + board_info.max_speed_hz = 12500000; + board_info.bus_num = 0; + board_info.chip_select = 0; + + if (!spi_new_device(master, &board_info)) { dev_err(dev, "%s failed to create SPI device: %s\n", - __func__, m10_bmc_info.modalias); + __func__, board_info.modalias); } return 0; |