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imx6_usbphy: Add regulator (vbus-supply).

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Update #3869.
This commit is contained in:
Christian Mauderer 2020-03-05 14:33:30 +01:00
parent 9dfb3bdef2
commit c0f6606d47
1 changed files with 31 additions and 0 deletions
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31
freebsd/sys/arm/freescale/imx/imx6_usbphy.c
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@ -52,6 +52,9 @@ __FBSDID("$FreeBSD$");
#include <arm/freescale/imx/imx_ccmvar.h>
#include <arm/freescale/imx/imx6_anatopreg.h>
#include <arm/freescale/imx/imx6_anatopvar.h>
#ifdef __rtems__
#include <dev/extres/regulator/regulator.h>
#endif /* __rtems__ */
/*
* Hardware register defines.
@ -70,6 +73,9 @@ struct usbphy_softc {
device_t dev;
struct resource *mem_res;
u_int phy_num;
#ifdef __rtems__
regulator_t supply_vbus;
#endif /* __rtems__ */
};
static struct ofw_compat_data compat_data[] = {
@ -107,6 +113,10 @@ usbphy_attach(device_t dev)
{
struct usbphy_softc *sc;
int err, regoff, rid;
#ifdef __rtems__
int rv;
phandle_t node;
#endif /* __rtems__ */
sc = device_get_softc(dev);
err = 0;
@ -121,6 +131,27 @@ usbphy_attach(device_t dev)
goto out;
}
#ifdef __rtems__
node = ofw_bus_get_node(dev);
if (OF_hasprop(node, "vbus-supply")) {
rv = regulator_get_by_ofw_property(sc->dev, 0, "vbus-supply",
&sc->supply_vbus);
if (rv != 0) {
device_printf(sc->dev,
"Cannot get \"vbus\" regulator\n");
err = ENXIO;
goto out;
}
rv = regulator_enable(sc->supply_vbus);
if (rv != 0) {
device_printf(sc->dev,
"Cannot enable \"vbus\" regulator\n");
err = ENXIO;
goto out;
}
}
#endif /* __rtems__ */
/*
* XXX Totally lame way to get the unit number (but not quite as lame as
* adding an ad-hoc property to the fdt data). This works as long as