phy: ti: usb2: Add support for AM654 USB2 PHY

Add support for the USB2 PHY on the AM654 SoC.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/ti/Kconfig b/drivers/phy/ti/Kconfig
index 2388b1b..bf3d23a 100644 (file)
--- a/drivers/phy/ti/Kconfig
+++ b/drivers/phy/ti/Kconfig
@@ -33,11 +33,11 @@ config OMAP_CONTROL_PHY
 
 config OMAP_USB2
        tristate "OMAP USB2 PHY Driver"
-       depends on ARCH_OMAP2PLUS
+       depends on ARCH_OMAP2PLUS || ARCH_K3
        depends on USB_SUPPORT
        select GENERIC_PHY
        select USB_PHY
-       select OMAP_CONTROL_PHY
+       select OMAP_CONTROL_PHY if ARCH_OMAP2PLUS
        help
          Enable this to support the transceiver that is part of SOC. This
          driver takes care of all the PHY functionality apart from comparator.

diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index 418e7f1..e871f29 100644 (file)
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -36,6 +36,10 @@
 #define USB2PHY_DISCON_BYP_LATCH (1 << 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)
+
 /**
  * omap_usb2_set_comparator - links the comparator present in the sytem with
  *     this phy
@@ -245,6 +249,15 @@ static const struct usb_phy_data am437x_usb2_data = {
        .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 of_device_id omap_usb2_id_table[] = {
        {
                .compatible = "ti,omap-usb2",
@@ -266,6 +279,10 @@ static const struct of_device_id omap_usb2_id_table[] = {
                .compatible = "ti,am437x-usb2",
                .data = &am437x_usb2_data,
        },
+       {
+               .compatible = "ti,am654-usb2",
+               .data = &am654_usb2_data,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, omap_usb2_id_table);