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Enable Vbus regulator if there is one

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Needed on the Banana Pi F3 to power USB devices.

ok jsing@
This commit is contained in:
kettenis
2026-04-09 15:13:45 +00:00
parent 566debf87d
commit cdb0e82ceb
1 changed files with 10 additions and 3 deletions
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13
sys/dev/fdt/xhci_fdt.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: xhci_fdt.c,v 1.28 2026/04/08 13:43:32 kettenis Exp $ */
/* $OpenBSD: xhci_fdt.c,v 1.29 2026/04/09 15:13:45 kettenis Exp $ */
/*
* Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
*
@@ -89,6 +89,7 @@ xhci_fdt_attach(struct device *parent, struct device *self, void *aux)
{
struct xhci_fdt_softc *sc = (struct xhci_fdt_softc *)self;
struct fdt_attach_args *faa = aux;
uint32_t vbus_supply;
int error = 0;
int idx;
@@ -157,6 +158,10 @@ xhci_fdt_attach(struct device *parent, struct device *self, void *aux)
goto disestablish_ret;
}
vbus_supply = OF_getpropint(sc->sc_node, "vbus-supply", 0);
if (vbus_supply)
regulator_enable(vbus_supply);
xhci_init_phys(sc);
xhci_init_hubs(sc);
@@ -593,7 +598,8 @@ void
imx8mp_usb_init(struct xhci_fdt_softc *sc, uint32_t *cells)
{
uint32_t phy_reg[2], reg;
int node, vbus_supply;
uint32_t vbus_supply;
int node;
node = OF_getnodebyphandle(cells[0]);
KASSERT(node != 0);
@@ -649,7 +655,8 @@ void
imx8mq_usb_init(struct xhci_fdt_softc *sc, uint32_t *cells)
{
uint32_t phy_reg[2], reg;
int node, vbus_supply;
uint32_t vbus_supply;
int node;
node = OF_getnodebyphandle(cells[0]);
KASSERT(node != 0);