In case of DT boot, don't read default speed and mode for SPI from CONFIG_*, instead read from DT node. This will make sure that boards with multiple SPI/QSPI controllers can be probed at different bus frequencies and SPI modes.
Signed-off-by: Vignesh R vigneshr@ti.com ---
v3: Update commit message to mention SPI mode changes
v2: Initialize speed, mode to 0 instead of -1
cmd/sf.c | 2 ++ drivers/spi/spi-uclass.c | 8 ++++++-- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/cmd/sf.c b/cmd/sf.c index 42862d9d921a..286906c3a151 100644 --- a/cmd/sf.c +++ b/cmd/sf.c @@ -88,6 +88,8 @@ static int do_spi_flash_probe(int argc, char * const argv[]) #ifdef CONFIG_DM_SPI_FLASH struct udevice *new, *bus_dev; int ret; + /* In DM mode defaults will be taken from DT */ + speed = 0, mode = 0; #else struct spi_flash *new; #endif diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 5561f36762f9..5fb5630e2981 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -264,6 +264,7 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, struct udevice **busp, struct spi_slave **devp) { struct udevice *bus, *dev; + struct dm_spi_slave_platdata *plat; bool created = false; int ret;
@@ -280,8 +281,6 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, * SPI flash chip - we will bind to the correct driver. */ if (ret == -ENODEV && drv_name) { - struct dm_spi_slave_platdata *plat; - debug("%s: Binding new device '%s', busnum=%d, cs=%d, driver=%s\n", __func__, dev_name, busnum, cs, drv_name); ret = device_bind_driver(bus, drv_name, dev_name, &dev); @@ -308,6 +307,11 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, slave->dev = dev; }
+ plat = dev_get_parent_platdata(dev); + if (!speed) { + speed = plat->max_hz; + mode = plat->mode; + } ret = spi_set_speed_mode(bus, speed, mode); if (ret) goto err;