Commit 3cde1ef6 authored by Haotien Hsu's avatar Haotien Hsu Committed by Vinod Koul
Browse files

phy: tegra: xusb: Support USB role default mode 



Support role-switch-default-mode property when usb-role-switch is
enabled.

Signed-off-by: default avatarHaotien Hsu <haotienh@nvidia.com>
Link: https://lore.kernel.org/r/20221216042146.99307-1-haotienh@nvidia.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 724dbe3c

drivers/phy/tegra/xusb.c

+17 −0
Original line number Diff line number Diff line
@@ -718,6 +718,22 @@ static int tegra_xusb_setup_usb_role_switch(struct tegra_xusb_port *port) 
	return err;

}



static void tegra_xusb_parse_usb_role_default_mode(struct tegra_xusb_port *port)

{

	enum usb_role role = USB_ROLE_NONE;

	enum usb_dr_mode mode = usb_get_role_switch_default_mode(&port->dev);



	if (mode == USB_DR_MODE_HOST)

		role = USB_ROLE_HOST;

	else if (mode == USB_DR_MODE_PERIPHERAL)

		role = USB_ROLE_DEVICE;



	if (role != USB_ROLE_NONE) {

		usb_role_switch_set_role(port->usb_role_sw, role);

		dev_dbg(&port->dev, "usb role default mode is %s", modes[mode]);

	}

}



static int tegra_xusb_usb2_port_parse_dt(struct tegra_xusb_usb2_port *usb2)

{

	struct tegra_xusb_port *port = &usb2->base;
@@ -747,6 +763,7 @@ static int tegra_xusb_usb2_port_parse_dt(struct tegra_xusb_usb2_port *usb2) 
			err = tegra_xusb_setup_usb_role_switch(port);

			if (err < 0)

				return err;

			tegra_xusb_parse_usb_role_default_mode(port);

		} else {

			dev_err(&port->dev, "usb-role-switch not found for %s mode",

				modes[usb2->mode]);