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spi: spi-altera-dfl: support n5010 feature revision

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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>
This commit is contained in:
Martin Hundebøll 2021-07-16 15:54:40 +02:00 committed by Moritz Fischer
parent 1604986c3e
commit 4f45f34049
1 changed files with 12 additions and 9 deletions
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21
drivers/spi/spi-altera-dfl.c
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@ -104,13 +104,6 @@ static const struct regmap_config indirect_regbus_cfg = {
.reg_read = indirect_bus_reg_read, .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) static void config_spi_master(void __iomem *base, struct spi_master *master)
{ {
u64 v; 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) 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 device *dev = &dfl_dev->dev;
struct spi_master *master; struct spi_master *master;
struct altera_spi *hw; struct altera_spi *hw;
@ -170,9 +164,18 @@ static int dfl_spi_altera_probe(struct dfl_device *dfl_dev)
goto exit; 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", dev_err(dev, "%s failed to create SPI device: %s\n",
__func__, m10_bmc_info.modalias); __func__, board_info.modalias);
} }
return 0; return 0;