#include <generic-phy.h>
#include <regmap.h>
#include <syscon.h>
+#include <linux/err.h>
#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(0)
#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)
+#define AM654_USB2_OTG_PD BIT(8)
+#define AM654_USB2_VBUS_DET_EN BIT(5)
+#define AM654_USB2_VBUSVALID_DET_EN BIT(4)
+
DECLARE_GLOBAL_DATA_PTR;
struct omap_usb2_phy {
.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 usb_phy_data am654_usb2_data = {
+ .label = "am654_usb2",
+ .flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
+ .mask = AM654_USB2_OTG_PD | AM654_USB2_VBUS_DET_EN |
+ AM654_USB2_VBUSVALID_DET_EN,
+ .power_on = AM654_USB2_VBUS_DET_EN | AM654_USB2_VBUSVALID_DET_EN,
+ .power_off = AM654_USB2_OTG_PD,
+};
+
static const struct udevice_id omap_usb2_id_table[] = {
{
.compatible = "ti,omap5-usb2",
.compatible = "ti,dra7x-usb2-phy2",
.data = (ulong)&dra7x_usb2_phy2_data,
},
+ {
+ .compatible = "ti,am437x-usb2",
+ .data = (ulong)&am437x_usb2_data,
+ },
+ {
+ .compatible = "ti,am654-usb2",
+ .data = (ulong)&am654_usb2_data,
+ },
{},
};
return -EINVAL;
if (data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {
- u32 base = dev_read_addr(dev);
+ priv->phy_base = dev_read_addr_ptr(dev);
- if (base == FDT_ADDR_T_NONE)
+ if (!priv->phy_base)
return -EINVAL;
- priv->phy_base = (void *)base;
priv->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT;
}
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) = {