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path: root/drivers/phy/omap-usb2-phy.c
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Diffstat (limited to 'drivers/phy/omap-usb2-phy.c')
-rw-r--r--drivers/phy/omap-usb2-phy.c45
1 files changed, 34 insertions, 11 deletions
diff --git a/drivers/phy/omap-usb2-phy.c b/drivers/phy/omap-usb2-phy.c
index fd20e8c168..be3bb0d367 100644
--- a/drivers/phy/omap-usb2-phy.c
+++ b/drivers/phy/omap-usb2-phy.c
@@ -19,6 +19,11 @@
#define OMAP_DEV_PHY_PD BIT(0)
#define OMAP_USB2_PHY_PD BIT(28)
+#define AM437X_USB2_PHY_PD BIT(0)
+#define AM437X_USB2_OTG_PD BIT(1)
+#define AM437X_USB2_OTGVDET_EN BIT(19)
+#define AM437X_USB2_OTGSESSEND_EN BIT(20)
+
#define USB2PHY_DISCON_BYP_LATCH BIT(31)
#define USB2PHY_ANA_CONFIG1 (0x4c)
@@ -60,6 +65,15 @@ static const struct usb_phy_data dra7x_usb2_phy2_data = {
.power_off = OMAP_USB2_PHY_PD,
};
+static const struct usb_phy_data am437x_usb2_data = {
+ .label = "am437x_usb2",
+ .flags = 0,
+ .mask = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD |
+ AM437X_USB2_OTGVDET_EN | AM437X_USB2_OTGSESSEND_EN,
+ .power_on = AM437X_USB2_OTGVDET_EN | AM437X_USB2_OTGSESSEND_EN,
+ .power_off = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD,
+};
+
static const struct udevice_id omap_usb2_id_table[] = {
{
.compatible = "ti,omap5-usb2",
@@ -73,6 +87,10 @@ static const struct udevice_id omap_usb2_id_table[] = {
.compatible = "ti,dra7x-usb2-phy2",
.data = (ulong)&dra7x_usb2_phy2_data,
},
+ {
+ .compatible = "ti,am437x-usb2",
+ .data = (ulong)&am437x_usb2_data,
+ },
{},
};
@@ -170,20 +188,25 @@ int omap_usb2_phy_probe(struct udevice *dev)
}
regmap = syscon_regmap_lookup_by_phandle(dev, "syscon-phy-power");
- if (IS_ERR(regmap)) {
- printf("can't get regmap (err %ld)\n", PTR_ERR(regmap));
- return PTR_ERR(regmap);
+ if (!IS_ERR(regmap)) {
+ priv->pwr_regmap = regmap;
+ rc = dev_read_u32_array(dev, "syscon-phy-power", tmp, 2);
+ if (rc) {
+ printf("couldn't get power reg. offset (err %d)\n", rc);
+ return rc;
+ }
+ priv->pwr_reg_offset = tmp[1];
+ return 0;
}
- priv->pwr_regmap = regmap;
-
- rc = dev_read_u32_array(dev, "syscon-phy-power", tmp, 2);
- if (rc) {
- printf("couldn't get power reg. offset (err %d)\n", rc);
- return rc;
+ regmap = syscon_regmap_lookup_by_phandle(dev, "ctrl-module");
+ if (!IS_ERR(regmap)) {
+ priv->pwr_regmap = regmap;
+ priv->pwr_reg_offset = 0;
+ return 0;
}
- priv->pwr_reg_offset = tmp[1];
- return 0;
+ printf("can't get regmap (err %ld)\n", PTR_ERR(regmap));
+ return PTR_ERR(regmap);
}
U_BOOT_DRIVER(omap_usb2_phy) = {