dm: spi: Read default speed and mode values from DT
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>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 80aff7b..8003f9b 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -278,6 +278,7 @@
struct udevice **busp, struct spi_slave **devp)
{
struct udevice *bus, *dev;
+ struct dm_spi_slave_platdata *plat;
bool created = false;
int ret;
@@ -294,8 +295,6 @@
* 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);
@@ -322,6 +321,11 @@
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;