diff options
| author | Venu Byravarasu <vbyravarasu@nvidia.com> | 2013-05-16 14:12:59 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-05-29 23:46:46 (GMT) |
| commit | 9cd9384c73395f6ce78e1b9d529bc9f294fd5223 (patch) | |
| tree | 8e521b70da4a9db260c8f72b1624df884694730c | |
| parent | 9e69fae1a89e543949fe81603f7229463b8061de (diff) | |
| download | linux-9cd9384c73395f6ce78e1b9d529bc9f294fd5223.tar.xz | |
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>
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 1 | ||||
| -rw-r--r-- | drivers/usb/phy/phy-tegra-usb.c | 13 | ||||
| -rw-r--r-- | include/linux/usb/tegra_usb_phy.h | 3 |
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 59d111b..d641990 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -736,7 +736,6 @@ static int tegra_ehci_probe(struct platform_device *pdev) tegra->phy = tegra_usb_phy_open(&pdev->dev, instance, hcd->regs, pdata->phy_config, - TEGRA_USB_PHY_MODE_HOST, tegra_ehci_set_pts, tegra_ehci_set_phcd); if (IS_ERR(tegra->phy)) { diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index 8bcc12f..0ff1f3e 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__); diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h index 1b7519a..ff2d959 100644 --- a/include/linux/usb/tegra_usb_phy.h +++ b/include/linux/usb/tegra_usb_phy.h @@ -42,6 +42,7 @@ enum tegra_usb_phy_port_speed { enum tegra_usb_phy_mode { TEGRA_USB_PHY_MODE_DEVICE, TEGRA_USB_PHY_MODE_HOST, + TEGRA_USB_PHY_MODE_OTG, }; struct tegra_xtal_freq; @@ -66,7 +67,7 @@ struct tegra_usb_phy { }; 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)); |