diff options
Diffstat (limited to 'drivers/phy/tegra')
| -rw-r--r-- | drivers/phy/tegra/xusb-tegra186.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c index 6f3afaf9398f..84c27394c181 100644 --- a/drivers/phy/tegra/xusb-tegra186.c +++ b/drivers/phy/tegra/xusb-tegra186.c @@ -857,9 +857,32 @@ static void tegra186_xusb_padctl_remove(struct tegra_xusb_padctl *padctl) { } +static int tegra186_xusb_padctl_vbus_override(struct tegra_xusb_padctl *padctl, + bool status) +{ + u32 value; + + dev_dbg(padctl->dev, "%s vbus override\n", status ? "set" : "clear"); + + value = padctl_readl(padctl, USB2_VBUS_ID); + + if (status) { + value |= VBUS_OVERRIDE; + value &= ~ID_OVERRIDE(~0); + value |= ID_OVERRIDE_FLOATING; + } else { + value &= ~VBUS_OVERRIDE; + } + + padctl_writel(padctl, value, USB2_VBUS_ID); + + return 0; +} + static const struct tegra_xusb_padctl_ops tegra186_xusb_padctl_ops = { .probe = tegra186_xusb_padctl_probe, .remove = tegra186_xusb_padctl_remove, + .vbus_override = tegra186_xusb_padctl_vbus_override, }; static const char * const tegra186_xusb_padctl_supply_names[] = { |