When not using OTG, the PHY will need to know if it should function as
host or peripheral by checking dr_mode in the PHY node (not the parent
controller node).
Signed-off-by: Chris Brandt <chris.brandt@xxxxxxxxxxx>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
v4:
* added reviewed-by
v3:
* changed 'if' to 'switch'
* use rcar_gen3_set_host_mode() instead of writel()
v2:
* added braces to else statement
* check if dr_mode is "host"
---
drivers/phy/renesas/phy-rcar-gen3-usb2.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 06e0fc804226..29da9c46ad9b 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -412,6 +412,18 @@ static int rcar_gen3_phy_usb2_init(struct phy *p)
if (rcar_gen3_needs_init_otg(channel))
rcar_gen3_init_otg(channel);
rphy->otg_initialized = true;
+ } else {
+ /* Not OTG, so dr_mode should be set in PHY node */
+ switch (usb_get_dr_mode(channel->dev)) {
+ case USB_DR_MODE_HOST:
+ rcar_gen3_set_host_mode(channel, 1);
+ break;
+ case USB_DR_MODE_PERIPHERAL:
+ rcar_gen3_set_host_mode(channel, 0);
+ break;
+ default:
+ break;
+ }
}
rphy->initialized = true;
--
2.16.1
