phy: omap_usb2: Add support for am437x

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/drivers/phy/omap-usb2-phy.c b/drivers/phy/omap-usb2-phy.c
index fd20e8c168839104e01b1400e447eee799b439e7..be3bb0d3676ee25b71dc27b2232e4d2dd050fb87 100644 (file)
--- 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) = {