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> --- drivers/phy/renesas/phy-rcar-gen3-usb2.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 218b32e458cb..4eaa228ebd30 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -408,7 +408,12 @@ 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 */ + if (usb_get_dr_mode(channel->dev) == USB_DR_MODE_PERIPHERAL) + writel(0x80000000, usb2_base + USB2_COMMCTRL); + else + writel(0x00000000, usb2_base + USB2_COMMCTRL); rphy->initialized = true; @@ -638,6 +643,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) if (of_property_read_bool(dev->of_node, "renesas,uses_usb_x1")) channel->uses_usb_x1 = true; + /* * devm_phy_create() will call pm_runtime_enable(&phy->dev); * And then, phy-core will manage runtime pm for this device. -- 2.16.1