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| author | Venu Byravarasu <vbyravarasu@nvidia.com> | 2013-05-16 19:42:59 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-05-30 02:46:46 +0300 |
| commit | 9cd9384c73395f6ce78e1b9d529bc9f294fd5223 (patch) | |
| tree | 8e521b70da4a9db260c8f72b1624df884694730c /drivers/usb/phy/phy-tegra-usb.c | |
| parent | 9e69fae1a89e543949fe81603f7229463b8061de (diff) | |
| download | linux-9cd9384c73395f6ce78e1b9d529bc9f294fd5223.tar.gz linux-9cd9384c73395f6ce78e1b9d529bc9f294fd5223.tar.bz2 linux-9cd9384c73395f6ce78e1b9d529bc9f294fd5223.zip | |
usb: phy: tegra: Get PHY mode using DT
Added a new PHY mode to support OTG.
Obtained Tegra USB PHY mode using DT property.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/phy/phy-tegra-usb.c')
| -rw-r--r-- | drivers/usb/phy/phy-tegra-usb.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index 8bcc12f6804a..0ff1f3e03b1e 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -687,7 +687,7 @@ static int tegra_usb_phy_suspend(struct usb_phy *x, int suspend) } struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, - void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode, + void __iomem *regs, void *config, void (*set_pts)(struct usb_phy *x, u8 pts_val), void (*set_phcd)(struct usb_phy *x, bool enable)) @@ -705,7 +705,6 @@ struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, phy->instance = instance; phy->regs = regs; phy->config = config; - phy->mode = phy_mode; phy->dev = dev; phy->is_legacy_phy = of_property_read_bool(np, "nvidia,has-legacy-mode"); @@ -717,6 +716,16 @@ struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, else phy->is_ulpi_phy = true; + err = of_property_match_string(np, "dr_mode", "otg"); + if (err < 0) { + err = of_property_match_string(np, "dr_mode", "peripheral"); + if (err < 0) + phy->mode = TEGRA_USB_PHY_MODE_HOST; + else + phy->mode = TEGRA_USB_PHY_MODE_DEVICE; + } else + phy->mode = TEGRA_USB_PHY_MODE_OTG; + if (!phy->config) { if (phy->is_ulpi_phy) { pr_err("%s: ulpi phy configuration missing", __func__); |