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-rw-r--r--drivers/phy/ti/phy-omap-usb2.c60
1 files changed, 56 insertions, 4 deletions
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index 3d74629d7423..cb2dd3230fa7 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * omap-usb2.c - USB PHY, talking to musb controller in OMAP.
+ * omap-usb2.c - USB PHY, talking to USB controller on TI SoCs.
*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C) 2012-2020 Texas Instruments Incorporated - http://www.ti.com
* Author: Kishon Vijay Abraham I <kishon@ti.com>
*/
@@ -23,13 +23,65 @@
#include <linux/regmap.h>
#include <linux/of_platform.h>
-#define USB2PHY_DISCON_BYP_LATCH (1 << 31)
-#define USB2PHY_ANA_CONFIG1 0x4c
+#define USB2PHY_ANA_CONFIG1 0x4c
+#define USB2PHY_DISCON_BYP_LATCH BIT(31)
+/* SoC Specific USB2_OTG register definitions */
#define AM654_USB2_OTG_PD BIT(8)
#define AM654_USB2_VBUS_DET_EN BIT(5)
#define AM654_USB2_VBUSVALID_DET_EN BIT(4)
+#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)
+
+/* Driver Flags */
+#define OMAP_USB2_HAS_START_SRP BIT(0)
+#define OMAP_USB2_HAS_SET_VBUS BIT(1)
+#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(2)
+
+struct omap_usb {
+ struct usb_phy phy;
+ struct phy_companion *comparator;
+ void __iomem *pll_ctrl_base;
+ void __iomem *phy_base;
+ struct device *dev;
+ struct device *control_dev;
+ struct clk *wkupclk;
+ struct clk *optclk;
+ u8 flags;
+ struct regmap *syscon_phy_power; /* ctrl. reg. acces */
+ unsigned int power_reg; /* power reg. index within syscon */
+ u32 mask;
+ u32 power_on;
+ u32 power_off;
+};
+
+#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
+
+struct usb_phy_data {
+ const char *label;
+ u8 flags;
+ u32 mask;
+ u32 power_on;
+ u32 power_off;
+};
+
+static inline u32 omap_usb_readl(void __iomem *addr, unsigned int offset)
+{
+ return __raw_readl(addr + offset);
+}
+
+static inline void omap_usb_writel(void __iomem *addr, unsigned int offset,
+ u32 data)
+{
+ __raw_writel(data, addr + offset);
+}
+
/**
* omap_usb2_set_comparator - links the comparator present in the sytem with
* this phy