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authorPaul Cercueil <paul@crapouillou.net>2022-10-26 21:26:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-09 14:39:13 +0300
commit0afddf1e49d1172a87c7a73002e62aa66b6af677 (patch)
tree234514efaf9f2cc35bf8be9b99c74f8afa1395b0
parenta6d45ea063f0a9272f62925c8150439af5640e74 (diff)
downloadlinux-0afddf1e49d1172a87c7a73002e62aa66b6af677.tar.xz
usb: musb: Support setting OTG mode using generic PHY
When musb->xceiv is not provided but musb->phy is, support setting the OTG mode (host, peripheral) using the generic PHY framework. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20221026182657.146630-5-paul@crapouillou.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/musb/musb_gadget.c4
-rw-r--r--drivers/usb/musb/musb_host.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 66c8b32b16bb..6cb9514ef340 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1854,6 +1854,8 @@ static int musb_gadget_start(struct usb_gadget *g,
if (musb->xceiv)
otg_set_peripheral(musb->xceiv->otg, &musb->g);
+ else
+ phy_set_mode(musb->phy, PHY_MODE_USB_DEVICE);
musb_set_state(musb, OTG_STATE_B_IDLE);
spin_unlock_irqrestore(&musb->lock, flags);
@@ -1905,6 +1907,8 @@ static int musb_gadget_stop(struct usb_gadget *g)
if (musb->xceiv)
otg_set_peripheral(musb->xceiv->otg, NULL);
+ else
+ phy_set_mode(musb->phy, PHY_MODE_INVALID);
musb->is_active = 0;
musb->gadget_driver = NULL;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 8ad39ecd3b6f..a02c29216955 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2726,6 +2726,8 @@ int musb_host_setup(struct musb *musb, int power_budget)
if (musb->xceiv) {
otg_set_host(musb->xceiv->otg, &hcd->self);
musb->xceiv->otg->host = &hcd->self;
+ } else {
+ phy_set_mode(musb->phy, PHY_MODE_USB_HOST);
}
/* don't support otg protocols */