usb: move phy driver from mach-tegra to drivers/usb
As part of this patch:
1. Moved existing tegra phy driver to drivers/USB directory.
2. Added standard USB phy driver APIs to tegra phy driver.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h
new file mode 100644
index 0000000..176b1ca
--- /dev/null
+++ b/include/linux/usb/tegra_usb_phy.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __TEGRA_USB_PHY_H
+#define __TEGRA_USB_PHY_H
+
+#include <linux/clk.h>
+#include <linux/usb/otg.h>
+
+struct tegra_utmip_config {
+ u8 hssync_start_delay;
+ u8 elastic_limit;
+ u8 idle_wait_delay;
+ u8 term_range_adj;
+ u8 xcvr_setup;
+ u8 xcvr_lsfslew;
+ u8 xcvr_lsrslew;
+};
+
+struct tegra_ulpi_config {
+ int reset_gpio;
+ const char *clk;
+};
+
+enum tegra_usb_phy_port_speed {
+ TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
+ TEGRA_USB_PHY_PORT_SPEED_LOW,
+ TEGRA_USB_PHY_PORT_SPEED_HIGH,
+};
+
+enum tegra_usb_phy_mode {
+ TEGRA_USB_PHY_MODE_DEVICE,
+ TEGRA_USB_PHY_MODE_HOST,
+};
+
+struct tegra_xtal_freq;
+
+struct tegra_usb_phy {
+ int instance;
+ const struct tegra_xtal_freq *freq;
+ void __iomem *regs;
+ void __iomem *pad_regs;
+ struct clk *clk;
+ struct clk *pll_u;
+ struct clk *pad_clk;
+ enum tegra_usb_phy_mode mode;
+ void *config;
+ struct usb_phy *ulpi;
+ struct usb_phy u_phy;
+ struct device *dev;
+};
+
+struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance,
+ void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode);
+
+void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);
+
+void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);
+
+void tegra_usb_phy_preresume(struct tegra_usb_phy *phy);
+
+void tegra_usb_phy_postresume(struct tegra_usb_phy *phy);
+
+void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
+ enum tegra_usb_phy_port_speed port_speed);
+
+void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);
+
+#endif /* __TEGRA_USB_PHY_H */