@@ -8,6 +8,7 @@
*/
#include <common.h>
+#include <asm-generic/io.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
@@ -111,6 +112,12 @@ U_BOOT_DRIVER(dwc3_generic_peripheral) = {
struct dwc3_glue_data {
struct clk_bulk clks;
struct reset_ctl_bulk resets;
+ fdt_addr_t regs;
+};
+
+struct dwc3_glue_ops {
+ void (*select_dr_mode)(struct udevice *dev, int index,
+ enum usb_dr_mode mode);
};
static int dwc3_glue_bind(struct udevice *parent)
@@ -206,9 +213,14 @@ static int dwc3_glue_clk_init(struct udevice *dev,
static int dwc3_glue_probe(struct udevice *dev)
{
+ struct dwc3_glue_ops *ops = (struct dwc3_glue_ops *)dev_get_driver_data(dev);
struct dwc3_glue_data *glue = dev_get_platdata(dev);
+ struct udevice *child = NULL;
+ int index = 0;
int ret;
+ glue->regs = dev_read_addr(dev);
+
ret = dwc3_glue_clk_init(dev, glue);
if (ret)
return ret;
@@ -217,6 +229,20 @@ static int dwc3_glue_probe(struct udevice *dev)
if (ret)
return ret;
+ ret = device_find_first_child(dev, &child);
+ if (ret)
+ return ret;
+
+ while (child) {
+ enum usb_dr_mode dr_mode;
+
+ dr_mode = usb_get_dr_mode(dev_of_offset(child));
+ device_find_next_child(&child);
+ if (ops && ops->select_dr_mode)
+ ops->select_dr_mode(dev, index, dr_mode);
+ index++;
+ }
+
return 0;
}
The select_dr_mode operation is executed when the glue driver is probed. The role of this optional function is to configure the operating mode of the controller at the glue level. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> --- Changes in v2: None drivers/usb/dwc3/dwc3-generic.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)