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authorTuomas Tynkkynen <ttynkkynen@nvidia.com>2013-07-25 18:38:09 (GMT)
committerFelipe Balbi <balbi@ti.com>2013-07-29 10:58:27 (GMT)
commit6558d7edbe069df1220b525362d4aa854a65a8bc (patch)
treec21dfcbc13fddab0897284f159f7765d862c7ad6
parent9fdb07f72088ab5fc7bd6fd6f070fac53d636bd9 (diff)
usb: phy: tegra: Use DT helpers for dr_mode
Use the new of_usb_get_dr_mode helper function for parsing dr_mode from the device tree. Also replace the usage of the custom tegra_usb_phy_mode enum with the standard enum. Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
-rw-r--r--drivers/usb/phy/phy-tegra-usb.c24
-rw-r--r--include/linux/usb/tegra_usb_phy.h8
2 files changed, 13 insertions, 19 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index fb469f1..01c30ff 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -377,7 +377,7 @@ static int utmi_phy_power_on(struct tegra_usb_phy *phy)
UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
writel(val, base + UTMIP_PLL_CFG1);
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
+ if (phy->mode == USB_DR_MODE_PERIPHERAL) {
val = readl(base + USB_SUSP_CTRL);
val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV);
writel(val, base + USB_SUSP_CTRL);
@@ -412,7 +412,7 @@ static int utmi_phy_power_on(struct tegra_usb_phy *phy)
if (phy->is_legacy_phy) {
val = readl(base + UTMIP_SPARE_CFG0);
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE)
+ if (phy->mode == USB_DR_MODE_PERIPHERAL)
val &= ~FUSE_SETUP_SEL;
else
val |= FUSE_SETUP_SEL;
@@ -453,7 +453,7 @@ static int utmi_phy_power_off(struct tegra_usb_phy *phy)
utmi_phy_clk_disable(phy);
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
+ if (phy->mode == USB_DR_MODE_PERIPHERAL) {
val = readl(base + USB_SUSP_CTRL);
val &= ~USB_WAKEUP_DEBOUNCE_COUNT(~0);
val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5);
@@ -907,15 +907,15 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
return -EINVAL;
}
- err = of_property_match_string(np, "dr_mode", "otg");
- if (err < 0) {
- err = of_property_match_string(np, "dr_mode", "peripheral");
- if (err < 0)
- tegra_phy->mode = TEGRA_USB_PHY_MODE_HOST;
- else
- tegra_phy->mode = TEGRA_USB_PHY_MODE_DEVICE;
- } else
- tegra_phy->mode = TEGRA_USB_PHY_MODE_OTG;
+ if (of_find_property(np, "dr_mode", NULL))
+ tegra_phy->mode = of_usb_get_dr_mode(np);
+ else
+ tegra_phy->mode = USB_DR_MODE_HOST;
+
+ if (tegra_phy->mode == USB_DR_MODE_UNKNOWN) {
+ dev_err(&pdev->dev, "dr_mode is invalid\n");
+ return -EINVAL;
+ }
/* On some boards, the VBUS regulator doesn't need to be controlled */
if (of_find_property(np, "vbus-supply", NULL)) {
diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h
index a095c98..d3db274 100644
--- a/include/linux/usb/tegra_usb_phy.h
+++ b/include/linux/usb/tegra_usb_phy.h
@@ -34,12 +34,6 @@ enum tegra_usb_phy_port_speed {
TEGRA_USB_PHY_PORT_SPEED_HIGH,
};
-enum tegra_usb_phy_mode {
- TEGRA_USB_PHY_MODE_DEVICE,
- TEGRA_USB_PHY_MODE_HOST,
- TEGRA_USB_PHY_MODE_OTG,
-};
-
struct tegra_xtal_freq;
struct tegra_usb_phy {
@@ -51,7 +45,7 @@ struct tegra_usb_phy {
struct clk *pll_u;
struct clk *pad_clk;
struct regulator *vbus;
- enum tegra_usb_phy_mode mode;
+ enum usb_dr_mode mode;
void *config;
struct usb_phy *ulpi;
struct usb_phy u_phy;

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