zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-tegra/clock.h b/ap/os/linux/linux-3.4.x/arch/arm/mach-tegra/clock.h
new file mode 100644
index 0000000..bc30065
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-tegra/clock.h
@@ -0,0 +1,171 @@
+/*
+ * arch/arm/mach-tegra/include/mach/clock.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * 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 __MACH_TEGRA_CLOCK_H
+#define __MACH_TEGRA_CLOCK_H
+
+#include <linux/clkdev.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+
+#include <mach/clk.h>
+
+#define DIV_BUS (1 << 0)
+#define DIV_U71 (1 << 1)
+#define DIV_U71_FIXED (1 << 2)
+#define DIV_2 (1 << 3)
+#define DIV_U16 (1 << 4)
+#define PLL_FIXED (1 << 5)
+#define PLL_HAS_CPCON (1 << 6)
+#define MUX (1 << 7)
+#define PLLD (1 << 8)
+#define PERIPH_NO_RESET (1 << 9)
+#define PERIPH_NO_ENB (1 << 10)
+#define PERIPH_EMC_ENB (1 << 11)
+#define PERIPH_MANUAL_RESET (1 << 12)
+#define PLL_ALT_MISC_REG (1 << 13)
+#define PLLU (1 << 14)
+#define PLLX (1 << 15)
+#define MUX_PWM (1 << 16)
+#define MUX8 (1 << 17)
+#define DIV_U71_UART (1 << 18)
+#define MUX_CLK_OUT (1 << 19)
+#define PLLM (1 << 20)
+#define DIV_U71_INT (1 << 21)
+#define DIV_U71_IDLE (1 << 22)
+#define ENABLE_ON_INIT (1 << 28)
+#define PERIPH_ON_APB (1 << 29)
+
+struct clk;
+
+struct clk_mux_sel {
+ struct clk *input;
+ u32 value;
+};
+
+struct clk_pll_freq_table {
+ unsigned long input_rate;
+ unsigned long output_rate;
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+struct clk_ops {
+ void (*init)(struct clk *);
+ int (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+ int (*set_parent)(struct clk *, struct clk *);
+ int (*set_rate)(struct clk *, unsigned long);
+ long (*round_rate)(struct clk *, unsigned long);
+ void (*reset)(struct clk *, bool);
+ int (*clk_cfg_ex)(struct clk *,
+ enum tegra_clk_ex_param, u32);
+};
+
+enum clk_state {
+ UNINITIALIZED = 0,
+ ON,
+ OFF,
+};
+
+struct clk {
+ /* node for master clocks list */
+ struct list_head node; /* node for list of all clocks */
+ struct clk_lookup lookup;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dent;
+#endif
+ bool set;
+ struct clk_ops *ops;
+ unsigned long rate;
+ unsigned long max_rate;
+ unsigned long min_rate;
+ u32 flags;
+ const char *name;
+
+ u32 refcnt;
+ enum clk_state state;
+ struct clk *parent;
+ u32 div;
+ u32 mul;
+
+ const struct clk_mux_sel *inputs;
+ u32 reg;
+ u32 reg_shift;
+
+ struct list_head shared_bus_list;
+
+ union {
+ struct {
+ unsigned int clk_num;
+ } periph;
+ struct {
+ unsigned long input_min;
+ unsigned long input_max;
+ unsigned long cf_min;
+ unsigned long cf_max;
+ unsigned long vco_min;
+ unsigned long vco_max;
+ const struct clk_pll_freq_table *freq_table;
+ int lock_delay;
+ unsigned long fixed_rate;
+ } pll;
+ struct {
+ u32 sel;
+ u32 reg_mask;
+ } mux;
+ struct {
+ struct clk *main;
+ struct clk *backup;
+ } cpu;
+ struct {
+ struct list_head node;
+ bool enabled;
+ unsigned long rate;
+ } shared_bus_user;
+ } u;
+
+ spinlock_t spinlock;
+};
+
+struct clk_duplicate {
+ const char *name;
+ struct clk_lookup lookup;
+};
+
+struct tegra_clk_init_table {
+ const char *name;
+ const char *parent;
+ unsigned long rate;
+ bool enabled;
+};
+
+void tegra2_init_clocks(void);
+void tegra30_init_clocks(void);
+void clk_init(struct clk *clk);
+struct clk *tegra_get_clock_by_name(const char *name);
+int clk_reparent(struct clk *c, struct clk *parent);
+void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
+unsigned long clk_get_rate_locked(struct clk *c);
+int clk_set_rate_locked(struct clk *c, unsigned long rate);
+
+#endif