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authorMartin Hundebøll <mhu@silicom.dk>2021-07-16 16:54:40 +0300
committerMoritz Fischer <mdf@kernel.org>2021-07-29 23:02:28 +0300
commit4f45f3404960109843eaa92c8a4a850d6bdd9981 (patch)
tree8ebb5fd40e665636902521eb7752ef452dddd630 /drivers/spi
parent1604986c3e6bd84f3f3fd709c1a619c6fc9d79a9 (diff)
downloadlinux-4f45f3404960109843eaa92c8a4a850d6bdd9981.tar.xz
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.c21
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;