ARM: tegra: remove legacy clock code

Remove all legacy clock code from mach-tegra.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

10 files changed, 0 insertions, 7139 deletions

diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index f0520961bafe..6018a05e808c 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -1,7 +1,6 @@
 obj-y                                   += common.o
 obj-y                                   += io.o
 obj-y                                   += irq.o
-obj-y                                   += clock.o
 obj-y					+= fuse.o
 obj-y					+= pmc.o
 obj-y					+= flowctrl.o
@@ -12,16 +11,12 @@ obj-y					+= reset.o
 obj-y					+= reset-handler.o
 obj-y					+= sleep.o
 obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
-obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += tegra20_clocks.o
-obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += tegra20_clocks_data.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= tegra20_speedo.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= tegra2_emc.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= sleep-tegra20.o
 ifeq ($(CONFIG_CPU_IDLE),y)
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= cpuidle-tegra20.o
 endif
-obj-$(CONFIG_ARCH_TEGRA_3x_SOC)		+= tegra30_clocks.o
-obj-$(CONFIG_ARCH_TEGRA_3x_SOC)		+= tegra30_clocks_data.o
 obj-$(CONFIG_ARCH_TEGRA_3x_SOC)		+= tegra30_speedo.o
 obj-$(CONFIG_ARCH_TEGRA_3x_SOC)		+= sleep-tegra30.o
 ifeq ($(CONFIG_CPU_IDLE),y)
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
deleted file mode 100644
index baa0c5b008f1..000000000000
--- a/arch/arm/mach-tegra/clock.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2012 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/clk/tegra.h>
-
-#include "board.h"
-#include "clock.h"
-
-/*
- * Locking:
- *
- * An additional mutex, clock_list_lock, is used to protect the list of all
- * clocks.
- *
- */
-static DEFINE_MUTEX(clock_list_lock);
-static LIST_HEAD(clocks);
-
-void tegra_clk_add(struct clk *clk)
-{
-	struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk));
-
-	mutex_lock(&clock_list_lock);
-	list_add(&c->node, &clocks);
-	mutex_unlock(&clock_list_lock);
-}
-
-struct clk *tegra_get_clock_by_name(const char *name)
-{
-	struct clk_tegra *c;
-	struct clk *ret = NULL;
-	mutex_lock(&clock_list_lock);
-	list_for_each_entry(c, &clocks, node) {
-		if (strcmp(__clk_get_name(c->hw.clk), name) == 0) {
-			ret = c->hw.clk;
-			break;
-		}
-	}
-	mutex_unlock(&clock_list_lock);
-	return ret;
-}
-
-static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table)
-{
-	struct clk *c;
-	struct clk *p;
-	struct clk *parent;
-
-	int ret = 0;
-
-	c = tegra_get_clock_by_name(table->name);
-
-	if (!c) {
-		pr_warn("Unable to initialize clock %s\n",
-			table->name);
-		return -ENODEV;
-	}
-
-	parent = clk_get_parent(c);
-
-	if (table->parent) {
-		p = tegra_get_clock_by_name(table->parent);
-		if (!p) {
-			pr_warn("Unable to find parent %s of clock %s\n",
-				table->parent, table->name);
-			return -ENODEV;
-		}
-
-		if (parent != p) {
-			ret = clk_set_parent(c, p);
-			if (ret) {
-				pr_warn("Unable to set parent %s of clock %s: %d\n",
-					table->parent, table->name, ret);
-				return -EINVAL;
-			}
-		}
-	}
-
-	if (table->rate && table->rate != clk_get_rate(c)) {
-		ret = clk_set_rate(c, table->rate);
-		if (ret) {
-			pr_warn("Unable to set clock %s to rate %lu: %d\n",
-				table->name, table->rate, ret);
-			return -EINVAL;
-		}
-	}
-
-	if (table->enabled) {
-		ret = clk_prepare_enable(c);
-		if (ret) {
-			pr_warn("Unable to enable clock %s: %d\n",
-				table->name, ret);
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
-void tegra_clk_init_from_table(struct tegra_clk_init_table *table)
-{
-	for (; table->name; table++)
-		tegra_clk_init_one_from_table(table);
-}
-
-/* Several extended clock configuration bits (e.g., clock routing, clock
- * phase control) are included in PLL and peripheral clock source
- * registers. */
-int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
-{
-	int ret = 0;
-	struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c));
-
-	if (!clk->clk_cfg_ex) {
-		ret = -ENOSYS;
-		goto out;
-	}
-	ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting);
-
-out:
-	return ret;
-}
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h
deleted file mode 100644
index 2aa37f5c44c0..000000000000
--- a/arch/arm/mach-tegra/clock.h
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * arch/arm/mach-tegra/include/mach/clock.h
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2012 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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/clk-provider.h>
-#include <linux/clkdev.h>
-#include <linux/list.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_tegra;
-#define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw)
-
-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;
-};
-
-enum clk_state {
-	UNINITIALIZED = 0,
-	ON,
-	OFF,
-};
-
-struct clk_tegra {
-	/* node for master clocks list */
-	struct list_head	node;	/* node for list of all clocks */
-	struct clk_lookup	lookup;
-	struct clk_hw		hw;
-
-	bool			set;
-	unsigned long		fixed_rate;
-	unsigned long		max_rate;
-	unsigned long		min_rate;
-	u32			flags;
-	const char		*name;
-
-	enum clk_state		state;
-	u32			div;
-	u32			mul;
-
-	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;
-
-	void (*reset)(struct clk_hw *, bool);
-	int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32);
-};
-
-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 tegra_clk_add(struct clk *c);
-void tegra2_init_clocks(void);
-void tegra30_init_clocks(void);
-struct clk *tegra_get_clock_by_name(const char *name);
-void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
-
-#endif
diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
deleted file mode 100644
index 85bbf10a7d0d..000000000000
--- a/arch/arm/mach-tegra/include/mach/clk.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * arch/arm/mach-tegra/include/mach/clk.h
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- *	Erik Gilling <konkers@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_CLK_H
-#define __MACH_CLK_H
-
-struct clk;
-
-enum tegra_clk_ex_param {
-	TEGRA_CLK_VI_INP_SEL,
-	TEGRA_CLK_DTV_INVERT,
-	TEGRA_CLK_NAND_PAD_DIV2_ENB,
-	TEGRA_CLK_PLLD_CSI_OUT_ENB,
-	TEGRA_CLK_PLLD_DSI_OUT_ENB,
-	TEGRA_CLK_PLLD_MIPI_MUX_SEL,
-};
-
-#ifndef CONFIG_COMMON_CLK
-unsigned long clk_get_rate_all_locked(struct clk *c);
-#endif
-
-void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
-int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);
-
-#endif
diff --git a/arch/arm/mach-tegra/tegra20_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c
deleted file mode 100644
index 1a80ff65e5fc..000000000000
--- a/arch/arm/mach-tegra/tegra20_clocks.c
+++ /dev/null
@@ -1,1623 +0,0 @@
-/*
- * arch/arm/mach-tegra/tegra20_clocks.c
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2010-2012 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/clkdev.h>
-#include <linux/clk.h>
-#include <linux/clk/tegra.h>
-
-#include "clock.h"
-#include "fuse.h"
-#include "iomap.h"
-#include "tegra2_emc.h"
-
-#define RST_DEVICES			0x004
-#define RST_DEVICES_SET			0x300
-#define RST_DEVICES_CLR			0x304
-#define RST_DEVICES_NUM			3
-
-#define CLK_OUT_ENB			0x010
-#define CLK_OUT_ENB_SET			0x320
-#define CLK_OUT_ENB_CLR			0x324
-#define CLK_OUT_ENB_NUM			3
-
-#define CLK_MASK_ARM			0x44
-#define MISC_CLK_ENB			0x48
-
-#define OSC_CTRL			0x50
-#define OSC_CTRL_OSC_FREQ_MASK		(3<<30)
-#define OSC_CTRL_OSC_FREQ_13MHZ		(0<<30)
-#define OSC_CTRL_OSC_FREQ_19_2MHZ	(1<<30)
-#define OSC_CTRL_OSC_FREQ_12MHZ		(2<<30)
-#define OSC_CTRL_OSC_FREQ_26MHZ		(3<<30)
-#define OSC_CTRL_MASK			(0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
-
-#define OSC_FREQ_DET			0x58
-#define OSC_FREQ_DET_TRIG		(1<<31)
-
-#define OSC_FREQ_DET_STATUS		0x5C
-#define OSC_FREQ_DET_BUSY		(1<<31)
-#define OSC_FREQ_DET_CNT_MASK		0xFFFF
-
-#define PERIPH_CLK_SOURCE_I2S1		0x100
-#define PERIPH_CLK_SOURCE_EMC		0x19c
-#define PERIPH_CLK_SOURCE_OSC		0x1fc
-#define PERIPH_CLK_SOURCE_NUM \
-	((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4)
-
-#define PERIPH_CLK_SOURCE_MASK		(3<<30)
-#define PERIPH_CLK_SOURCE_SHIFT		30
-#define PERIPH_CLK_SOURCE_PWM_MASK	(7<<28)
-#define PERIPH_CLK_SOURCE_PWM_SHIFT	28
-#define PERIPH_CLK_SOURCE_ENABLE	(1<<28)
-#define PERIPH_CLK_SOURCE_DIVU71_MASK	0xFF
-#define PERIPH_CLK_SOURCE_DIVU16_MASK	0xFFFF
-#define PERIPH_CLK_SOURCE_DIV_SHIFT	0
-
-#define SDMMC_CLK_INT_FB_SEL		(1 << 23)
-#define SDMMC_CLK_INT_FB_DLY_SHIFT	16
-#define SDMMC_CLK_INT_FB_DLY_MASK	(0xF << SDMMC_CLK_INT_FB_DLY_SHIFT)
-
-#define PLL_BASE			0x0
-#define PLL_BASE_BYPASS			(1<<31)
-#define PLL_BASE_ENABLE			(1<<30)
-#define PLL_BASE_REF_ENABLE		(1<<29)
-#define PLL_BASE_OVERRIDE		(1<<28)
-#define PLL_BASE_DIVP_MASK		(0x7<<20)
-#define PLL_BASE_DIVP_SHIFT		20
-#define PLL_BASE_DIVN_MASK		(0x3FF<<8)
-#define PLL_BASE_DIVN_SHIFT		8
-#define PLL_BASE_DIVM_MASK		(0x1F)
-#define PLL_BASE_DIVM_SHIFT		0
-
-#define PLL_OUT_RATIO_MASK		(0xFF<<8)
-#define PLL_OUT_RATIO_SHIFT		8
-#define PLL_OUT_OVERRIDE		(1<<2)
-#define PLL_OUT_CLKEN			(1<<1)
-#define PLL_OUT_RESET_DISABLE		(1<<0)
-
-#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
-
-#define PLL_MISC_DCCON_SHIFT		20
-#define PLL_MISC_CPCON_SHIFT		8
-#define PLL_MISC_CPCON_MASK		(0xF<<PLL_MISC_CPCON_SHIFT)
-#define PLL_MISC_LFCON_SHIFT		4
-#define PLL_MISC_LFCON_MASK		(0xF<<PLL_MISC_LFCON_SHIFT)
-#define PLL_MISC_VCOCON_SHIFT		0
-#define PLL_MISC_VCOCON_MASK		(0xF<<PLL_MISC_VCOCON_SHIFT)
-
-#define PLLU_BASE_POST_DIV		(1<<20)
-
-#define PLLD_MISC_CLKENABLE		(1<<30)
-#define PLLD_MISC_DIV_RST		(1<<23)
-#define PLLD_MISC_DCCON_SHIFT		12
-
-#define PLLE_MISC_READY			(1 << 15)
-
-#define PERIPH_CLK_TO_ENB_REG(c)	((c->u.periph.clk_num / 32) * 4)
-#define PERIPH_CLK_TO_ENB_SET_REG(c)	((c->u.periph.clk_num / 32) * 8)
-#define PERIPH_CLK_TO_ENB_BIT(c)	(1 << (c->u.periph.clk_num % 32))
-
-#define SUPER_CLK_MUX			0x00
-#define SUPER_STATE_SHIFT		28
-#define SUPER_STATE_MASK		(0xF << SUPER_STATE_SHIFT)
-#define SUPER_STATE_STANDBY		(0x0 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IDLE		(0x1 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_RUN			(0x2 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IRQ			(0x3 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_FIQ			(0x4 << SUPER_STATE_SHIFT)
-#define SUPER_SOURCE_MASK		0xF
-#define	SUPER_FIQ_SOURCE_SHIFT		12
-#define	SUPER_IRQ_SOURCE_SHIFT		8
-#define	SUPER_RUN_SOURCE_SHIFT		4
-#define	SUPER_IDLE_SOURCE_SHIFT		0
-
-#define SUPER_CLK_DIVIDER		0x04
-
-#define BUS_CLK_DISABLE			(1<<3)
-#define BUS_CLK_DIV_MASK		0x3
-
-#define PMC_CTRL			0x0
- #define PMC_CTRL_BLINK_ENB		(1 << 7)
-
-#define PMC_DPD_PADS_ORIDE		0x1c
- #define PMC_DPD_PADS_ORIDE_BLINK_ENB	(1 << 20)
-
-#define PMC_BLINK_TIMER_DATA_ON_SHIFT	0
-#define PMC_BLINK_TIMER_DATA_ON_MASK	0x7fff
-#define PMC_BLINK_TIMER_ENB		(1 << 15)
-#define PMC_BLINK_TIMER_DATA_OFF_SHIFT	16
-#define PMC_BLINK_TIMER_DATA_OFF_MASK	0xffff
-
-/* Tegra CPU clock and reset control regs */
-#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX		0x4c
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET	0x340
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR	0x344
-
-#define CPU_CLOCK(cpu)	(0x1 << (8 + cpu))
-#define CPU_RESET(cpu)	(0x1111ul << (cpu))
-
-static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
-static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
-/*
- * Some clocks share a register with other clocks.  Any clock op that
- * non-atomically modifies a register used by another clock must lock
- * clock_register_lock first.
- */
-static DEFINE_SPINLOCK(clock_register_lock);
-
-/*
- * Some peripheral clocks share an enable bit, so refcount the enable bits
- * in registers CLK_ENABLE_L, CLK_ENABLE_H, and CLK_ENABLE_U
- */
-static int tegra_periph_clk_enable_refcount[3 * 32];
-
-#define clk_writel(value, reg) \
-	__raw_writel(value, reg_clk_base + (reg))
-#define clk_readl(reg) \
-	__raw_readl(reg_clk_base + (reg))
-#define pmc_writel(value, reg) \
-	__raw_writel(value, reg_pmc_base + (reg))
-#define pmc_readl(reg) \
-	__raw_readl(reg_pmc_base + (reg))
-
-static unsigned long clk_measure_input_freq(void)
-{
-	u32 clock_autodetect;
-	clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
-	do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
-	clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
-	if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
-		return 12000000;
-	} else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
-		return 13000000;
-	} else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
-		return 19200000;
-	} else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
-		return 26000000;
-	} else {
-		pr_err("%s: Unexpected clock autodetect value %d",
-						__func__, clock_autodetect);
-		BUG();
-		return 0;
-	}
-}
-
-static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate)
-{
-	s64 divider_u71 = parent_rate * 2;
-	divider_u71 += rate - 1;
-	do_div(divider_u71, rate);
-
-	if (divider_u71 - 2 < 0)
-		return 0;
-
-	if (divider_u71 - 2 > 255)
-		return -EINVAL;
-
-	return divider_u71 - 2;
-}
-
-static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate)
-{
-	s64 divider_u16;
-
-	divider_u16 = parent_rate;
-	divider_u16 += rate - 1;
-	do_div(divider_u16, rate);
-
-	if (divider_u16 - 1 < 0)
-		return 0;
-
-	if (divider_u16 - 1 > 0xFFFF)
-		return -EINVAL;
-
-	return divider_u16 - 1;
-}
-
-static unsigned long tegra_clk_fixed_recalc_rate(struct clk_hw *hw,
-		unsigned long parent_rate)
-{
-	return to_clk_tegra(hw)->fixed_rate;
-}
-
-struct clk_ops tegra_clk_32k_ops = {
-	.recalc_rate = tegra_clk_fixed_recalc_rate,
-};
-
-/* clk_m functions */
-static unsigned long tegra20_clk_m_recalc_rate(struct clk_hw *hw,
-			unsigned long prate)
-{
-	if (!to_clk_tegra(hw)->fixed_rate)
-		to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq();
-	return to_clk_tegra(hw)->fixed_rate;
-}
-
-static void tegra20_clk_m_init(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 osc_ctrl = clk_readl(OSC_CTRL);
-	u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK;
-
-	switch (c->fixed_rate) {
-	case 12000000:
-		auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
-		break;
-	case 13000000:
-		auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
-		break;
-	case 19200000:
-		auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
-		break;
-	case 26000000:
-		auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
-		break;
-	default:
-		BUG();
-	}
-	clk_writel(auto_clock_control, OSC_CTRL);
-}
-
-struct clk_ops tegra_clk_m_ops = {
-	.init = tegra20_clk_m_init,
-	.recalc_rate = tegra20_clk_m_recalc_rate,
-};
-
-/* super clock functions */
-/* "super clocks" on tegra have two-stage muxes and a clock skipping
- * super divider.  We will ignore the clock skipping divider, since we
- * can't lower the voltage when using the clock skip, but we can if we
- * lower the PLL frequency.
- */
-static int tegra20_super_clk_is_enabled(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val;
-
-	val = clk_readl(c->reg + SUPER_CLK_MUX);
-	BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
-		((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
-	c->state = ON;
-	return c->state;
-}
-
-static int tegra20_super_clk_enable(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
-	return 0;
-}
-
-static void tegra20_super_clk_disable(struct clk_hw *hw)
-{
-	pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
-	/* oops - don't disable the CPU clock! */
-	BUG();
-}
-
-static u8 tegra20_super_clk_get_parent(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	int val = clk_readl(c->reg + SUPER_CLK_MUX);
-	int source;
-	int shift;
-
-	BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
-		((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
-	shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
-		SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
-	source = (val >> shift) & SUPER_SOURCE_MASK;
-	return source;
-}
-
-static int tegra20_super_clk_set_parent(struct clk_hw *hw, u8 index)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val = clk_readl(c->reg + SUPER_CLK_MUX);
-	int shift;
-
-	BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
-		((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
-	shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
-		SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
-	val &= ~(SUPER_SOURCE_MASK << shift);
-	val |= index << shift;
-
-	clk_writel(val, c->reg);
-
-	return 0;
-}
-
-/* FIX ME: Need to switch parents to change the source PLL rate */
-static unsigned long tegra20_super_clk_recalc_rate(struct clk_hw *hw,
-			unsigned long prate)
-{
-	return prate;
-}
-
-static long tegra20_super_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
-{
-	return *prate;
-}
-
-static int tegra20_super_clk_set_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long parent_rate)
-{
-	return 0;
-}
-
-struct clk_ops tegra_super_ops = {
-	.is_enabled = tegra20_super_clk_is_enabled,
-	.enable = tegra20_super_clk_enable,
-	.disable = tegra20_super_clk_disable,
-	.set_parent = tegra20_super_clk_set_parent,
-	.get_parent = tegra20_super_clk_get_parent,
-	.set_rate = tegra20_super_clk_set_rate,
-	.round_rate = tegra20_super_clk_round_rate,
-	.recalc_rate = tegra20_super_clk_recalc_rate,
-};
-
-static unsigned long tegra20_twd_clk_recalc_rate(struct clk_hw *hw,
-		unsigned long parent_rate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u64 rate = parent_rate;
-
-	if (c->mul != 0 && c->div != 0) {
-		rate *= c->mul;
-		rate += c->div - 1; /* round up */
-		do_div(rate, c->div);
-	}
-
-	return rate;
-}
-
-struct clk_ops tegra_twd_ops = {
-	.recalc_rate = tegra20_twd_clk_recalc_rate,
-};
-
-static u8 tegra20_cop_clk_get_parent(struct clk_hw *hw)
-{
-	return 0;
-}
-
-struct clk_ops tegra_cop_ops = {
-	.get_parent = tegra20_cop_clk_get_parent,
-};
-
-/* virtual cop clock functions. Used to acquire the fake 'cop' clock to
- * reset the COP block (i.e. AVP) */
-void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert)
-{
-	unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR;
-
-	pr_debug("%s %s\n", __func__, assert ? "assert" : "deassert");
-	clk_writel(1 << 1, reg);
-}
-
-/* bus clock functions */
-static int tegra20_bus_clk_is_enabled(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val = clk_readl(c->reg);
-
-	c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON;
-	return c->state;
-}
-
-static int tegra20_bus_clk_enable(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	unsigned long flags;
-	u32 val;
-
-	spin_lock_irqsave(&clock_register_lock, flags);
-
-	val = clk_readl(c->reg);
-	val &= ~(BUS_CLK_DISABLE << c->reg_shift);
-	clk_writel(val, c->reg);
-
-	spin_unlock_irqrestore(&clock_register_lock, flags);
-
-	return 0;
-}
-
-static void tegra20_bus_clk_disable(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	unsigned long flags;
-	u32 val;
-
-	spin_lock_irqsave(&clock_register_lock, flags);
-
-	val = clk_readl(c->reg);
-	val |= BUS_CLK_DISABLE << c->reg_shift;
-	clk_writel(val, c->reg);
-
-	spin_unlock_irqrestore(&clock_register_lock, flags);
-}
-
-static unsigned long tegra20_bus_clk_recalc_rate(struct clk_hw *hw,
-			unsigned long prate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val = clk_readl(c->reg);
-	u64 rate = prate;
-
-	c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1;
-	c->mul = 1;
-
-	if (c->mul != 0 && c->div != 0) {
-		rate *= c->mul;
-		rate += c->div - 1; /* round up */
-		do_div(rate, c->div);
-	}
-	return rate;
-}
-
-static int tegra20_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long parent_rate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	int ret = -EINVAL;
-	unsigned long flags;
-	u32 val;
-	int i;
-
-	spin_lock_irqsave(&clock_register_lock, flags);
-
-	val = clk_readl(c->reg);
-	for (i = 1; i <= 4; i++) {
-		if (rate == parent_rate / i) {
-			val &= ~(BUS_CLK_DIV_MASK << c->reg_shift);
-			val |= (i - 1) << c->reg_shift;
-			clk_writel(val, c->reg);
-			c->div = i;
-			c->mul = 1;
-			ret = 0;
-			break;
-		}
-	}
-
-	spin_unlock_irqrestore(&clock_register_lock, flags);
-
-	return ret;
-}
-
-static long tegra20_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
-{
-	unsigned long parent_rate = *prate;
-	s64 divider;
-
-	if (rate >= parent_rate)
-		return rate;
-
-	divider = parent_rate;
-	divider += rate - 1;
-	do_div(divider, rate);
-
-	if (divider < 0)
-		return divider;
-
-	if (divider > 4)
-		divider = 4;
-	do_div(parent_rate, divider);
-
-	return parent_rate;
-}
-
-struct clk_ops tegra_bus_ops = {
-	.is_enabled = tegra20_bus_clk_is_enabled,
-	.enable = tegra20_bus_clk_enable,
-	.disable = tegra20_bus_clk_disable,
-	.set_rate = tegra20_bus_clk_set_rate,
-	.round_rate = tegra20_bus_clk_round_rate,
-	.recalc_rate = tegra20_bus_clk_recalc_rate,
-};
-
-/* Blink output functions */
-static int tegra20_blink_clk_is_enabled(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val;
-
-	val = pmc_readl(PMC_CTRL);
-	c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
-	return c->state;
-}
-
-static unsigned long tegra20_blink_clk_recalc_rate(struct clk_hw *hw,
-			unsigned long prate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u64 rate = prate;
-	u32 val;
-
-	c->mul = 1;
-	val = pmc_readl(c->reg);
-
-	if (val & PMC_BLINK_TIMER_ENB) {
-		unsigned int on_off;
-
-		on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) &
-			PMC_BLINK_TIMER_DATA_ON_MASK;
-		val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
-		val &= PMC_BLINK_TIMER_DATA_OFF_MASK;
-		on_off += val;
-		/* each tick in the blink timer is 4 32KHz clocks */
-		c->div = on_off * 4;
-	} else {
-		c->div = 1;
-	}
-
-	if (c->mul != 0 && c->div != 0) {
-		rate *= c->mul;
-		rate += c->div - 1; /* round up */
-		do_div(rate, c->div);
-	}
-	return rate;
-}
-
-static int tegra20_blink_clk_enable(struct clk_hw *hw)
-{
-	u32 val;
-
-	val = pmc_readl(PMC_DPD_PADS_ORIDE);
-	pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-
-	val = pmc_readl(PMC_CTRL);
-	pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
-	return 0;
-}
-
-static void tegra20_blink_clk_disable(struct clk_hw *hw)
-{
-	u32 val;
-
-	val = pmc_readl(PMC_CTRL);
-	pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
-	val = pmc_readl(PMC_DPD_PADS_ORIDE);
-	pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-}
-
-static int tegra20_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long parent_rate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-
-	if (rate >= parent_rate) {
-		c->div = 1;
-		pmc_writel(0, c->reg);
-	} else {
-		unsigned int on_off;
-		u32 val;
-
-		on_off = DIV_ROUND_UP(parent_rate / 8, rate);
-		c->div = on_off * 8;
-
-		val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) <<
-			PMC_BLINK_TIMER_DATA_ON_SHIFT;
-		on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK;
-		on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
-		val |= on_off;
-		val |= PMC_BLINK_TIMER_ENB;
-		pmc_writel(val, c->reg);
-	}
-
-	return 0;
-}
-
-static long tegra20_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
-{
-	int div;
-	int mul;
-	long round_rate = *prate;
-
-	mul = 1;
-
-	if (rate >= *prate) {
-		div = 1;
-	} else {
-		div = DIV_ROUND_UP(*prate / 8, rate);
-		div *= 8;
-	}
-
-	round_rate *= mul;
-	round_rate += div - 1;
-	do_div(round_rate, div);
-
-	return round_rate;
-}
-
-struct clk_ops tegra_blink_clk_ops = {
-	.is_enabled = tegra20_blink_clk_is_enabled,
-	.enable = tegra20_blink_clk_enable,
-	.disable = tegra20_blink_clk_disable,
-	.set_rate = tegra20_blink_clk_set_rate,
-	.round_rate = tegra20_blink_clk_round_rate,
-	.recalc_rate = tegra20_blink_clk_recalc_rate,
-};
-
-/* PLL Functions */
-static int tegra20_pll_clk_wait_for_lock(struct clk_tegra *c)
-{
-	udelay(c->u.pll.lock_delay);
-	return 0;
-}
-
-static int tegra20_pll_clk_is_enabled(struct clk_hw *hw)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val = clk_readl(c->reg + PLL_BASE);
-
-	c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
-	return c->state;
-}
-
-static unsigned long tegra20_pll_clk_recalc_rate(struct clk_hw *hw,
-				unsigned long prate)
-{
-	struct clk_tegra *c = to_clk_tegra(hw);
-	u32 val = clk_readl(c->reg + PLL_BASE);
-	u64 rate = prate;
-
-	if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
-		const struct clk_pll_freq_table *sel;
-		for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
-			if (sel->input_rate == prate &&
-				sel->output_rate == c->u.pll.fixed_rate) {
-				c->mul = sel->n;
-				c->div = sel->m * sel->p;
-				break;
-			}
-		}
-		pr_err("Clock %s has unknown fixed frequency\n",
-			__clk_get_name(hw->clk));
-		BUG();
-	} else if (val & PLL_BASE_BYPASS) {
-		c->mul = 1;
-		c->div = 1;
-	}