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Commit 9cd9384c authored by Venu Byravarasu's avatar Venu Byravarasu Committed by Felipe Balbi
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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: default avatarVenu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 9e69fae1
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+0 −1
Original line number Diff line number Diff line
@@ -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)) {
+11 −2
Original line number Diff line number Diff line
@@ -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__);
+2 −1
Original line number Diff line number Diff line
@@ -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));