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If present, honor the USB port mode (host or peripheral) set on DTS, if not,

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keep the beaglebone defaults: USB0 -> peripheral/gadget, USB1 -> host.

This is only a workaround as in fact fact this hardware is capable of detect
the USB port mode based on type of cable and act according with the detected
mode.  Unfortunately the driver does not handle that at moment.

MFC after:	3 days
Sponsored by:	Rubicon Communications, LLC (Netgate)
This commit is contained in:
Luiz Otavio O Souza 2016-09-20 19:06:58 +00:00
parent 887a63246c
commit 33fe8378ba
1 changed files with 14 additions and 4 deletions
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18
sys/arm/ti/am335x/am335x_musb.c
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@ -237,6 +237,7 @@ static int
musbotg_attach(device_t dev)
{
struct musbotg_super_softc *sc = device_get_softc(dev);
char mode[16];
int err;
uint32_t reg;
@ -308,10 +309,19 @@ musbotg_attach(device_t dev)
}
sc->sc_otg.sc_platform_data = sc;
if (sc->sc_otg.sc_id == 0)
sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE;
else
sc->sc_otg.sc_mode = MUSB2_HOST_MODE;
if (OF_getprop(ofw_bus_get_node(dev), "dr_mode", mode,
sizeof(mode)) > 0) {
if (strcasecmp(mode, "host") == 0)
sc->sc_otg.sc_mode = MUSB2_HOST_MODE;
else
sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE;
} else {
/* Beaglebone defaults: USB0 device, USB1 HOST. */
if (sc->sc_otg.sc_id == 0)
sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE;
else
sc->sc_otg.sc_mode = MUSB2_HOST_MODE;
}
/*
* software-controlled function