Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / phy / phy-samsung-usb2.h

diff --git a/kernel/drivers/phy/phy-samsung-usb2.h b/kernel/drivers/phy/phy-samsung-usb2.h
new file mode 100644 (file)
index 0000000..44bead9
--- /dev/null
+++ b/kernel/drivers/phy/phy-samsung-usb2.h
@@ -0,0 +1,71 @@
+/*
+ * Samsung SoC USB 1.1/2.0 PHY driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ * Author: Kamil Debski <k.debski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _PHY_EXYNOS_USB2_H
+#define _PHY_EXYNOS_USB2_H
+
+#include <linux/clk.h>
+#include <linux/phy/phy.h>
+#include <linux/device.h>
+#include <linux/regmap.h>
+#include <linux/spinlock.h>
+
+#define KHZ 1000
+#define MHZ (KHZ * KHZ)
+
+struct samsung_usb2_phy_driver;
+struct samsung_usb2_phy_instance;
+struct samsung_usb2_phy_config;
+
+struct samsung_usb2_phy_instance {
+       const struct samsung_usb2_common_phy *cfg;
+       struct phy *phy;
+       struct samsung_usb2_phy_driver *drv;
+       int int_cnt;
+       int ext_cnt;
+};
+
+struct samsung_usb2_phy_driver {
+       const struct samsung_usb2_phy_config *cfg;
+       struct clk *clk;
+       struct clk *ref_clk;
+       unsigned long ref_rate;
+       u32 ref_reg_val;
+       struct device *dev;
+       void __iomem *reg_phy;
+       struct regmap *reg_pmu;
+       struct regmap *reg_sys;
+       spinlock_t lock;
+       struct samsung_usb2_phy_instance instances[0];
+};
+
+struct samsung_usb2_common_phy {
+       int (*power_on)(struct samsung_usb2_phy_instance *);
+       int (*power_off)(struct samsung_usb2_phy_instance *);
+       unsigned int id;
+       char *label;
+};
+
+
+struct samsung_usb2_phy_config {
+       const struct samsung_usb2_common_phy *phys;
+       int (*rate_to_clk)(unsigned long, u32 *);
+       unsigned int num_phys;
+       bool has_mode_switch;
+       bool has_refclk_sel;
+};
+
+extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config;
+extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
+extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
+extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
+extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config;
+#endif