diff options
Diffstat (limited to 'drivers/spi/omap3_spi.c')
| -rw-r--r-- | drivers/spi/omap3_spi.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index 02aacfff21..5c8cc8882a 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -357,16 +357,24 @@ static int omap3_spi_probe(struct device_d *dev) * McSPI3 has 2 CS (bus 3, cs 0 - 1) * McSPI4 has 1 CS (bus 4, cs 0) * + * AM335x McSPI has 2 busses with 2 chip selects: + * McSPI0 has 2 CS (bus 0, cs 0 - 1) + * McSPI1 has 2 CS (bus 1, cs 0 - 1) + * * The board code has to make sure that it does not use * invalid buses or chip selects. */ master->bus_num = dev->id; - master->num_chipselect = 4; + + if (IS_ENABLED(CONFIG_ARCH_OMAP3)) + master->num_chipselect = 4; + else + master->num_chipselect = 2; master->setup = omap3_spi_setup; master->transfer = omap3_spi_transfer; - omap3_master->regs = dev_request_mem_region(dev, 0);; + omap3_master->regs = dev_request_mem_region(dev, 0); spi_reset(master); |