ARM: tegra: Rename tegra20 clock file

Make the name consistent with other files.
s/tegra2/tegra20

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

1 files changed, 0 insertions, 1458 deletions

diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
deleted file mode 100644
index 4a32030a4d96..000000000000
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ /dev/null
@@ -1,1458 +0,0 @@
-/*
- * arch/arm/mach-tegra/tegra2_clocks.c
- *
- * 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.
- *
- */
-
-#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 <mach/iomap.h>
-#include <mach/suspend.h>
-
-#include "clock.h"
-#include "fuse.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
-
-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;
-}
-
-/* clk_m functions */
-static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c)
-{
-	u32 auto_clock_control = clk_readl(OSC_CTRL) & ~OSC_CTRL_OSC_FREQ_MASK;
-
-	c->rate = clk_measure_input_freq();
-	switch (c->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:
-		pr_err("%s: Unexpected clock rate %ld", __func__, c->rate);
-		BUG();
-	}
-	clk_writel(auto_clock_control, OSC_CTRL);
-	return c->rate;
-}
-
-static void tegra2_clk_m_init(struct clk *c)
-{
-	pr_debug("%s on clock %s\n", __func__, c->name);
-	tegra2_clk_m_autodetect_rate(c);
-}
-
-static int tegra2_clk_m_enable(struct clk *c)
-{
-	pr_debug("%s on clock %s\n", __func__, c->name);
-	return 0;
-}
-
-static void tegra2_clk_m_disable(struct clk *c)
-{
-	pr_debug("%s on clock %s\n", __func__, c->name);
-	BUG();
-}
-
-struct clk_ops tegra_clk_m_ops = {
-	.init		= tegra2_clk_m_init,
-	.enable		= tegra2_clk_m_enable,
-	.disable	= tegra2_clk_m_disable,
-};
-
-/* 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 void tegra2_super_clk_init(struct clk *c)
-{
-	u32 val;
-	int source;
-	int shift;
-	const struct clk_mux_sel *sel;
-	val = clk_readl(c->reg + SUPER_CLK_MUX);
-	c->state = ON;
-	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;
-	for (sel = c->inputs; sel->input != NULL; sel++) {
-		if (sel->value == source)
-			break;
-	}
-	BUG_ON(sel->input == NULL);
-	c->parent = sel->input;
-}
-
-static int tegra2_super_clk_enable(struct clk *c)
-{
-	clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
-	return 0;
-}
-
-static void tegra2_super_clk_disable(struct clk *c)
-{
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	/* oops - don't disable the CPU clock! */
-	BUG();
-}
-
-static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p)
-{
-	u32 val;
-	const struct clk_mux_sel *sel;
-	int shift;
-
-	val = clk_readl(c->reg + SUPER_CLK_MUX);
-	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;
-	for (sel = c->inputs; sel->input != NULL; sel++) {
-		if (sel->input == p) {
-			val &= ~(SUPER_SOURCE_MASK << shift);
-			val |= sel->value << shift;
-
-			if (c->refcnt)
-				clk_enable(p);
-
-			clk_writel(val, c->reg);
-
-			if (c->refcnt && c->parent)
-				clk_disable(c->parent);
-
-			clk_reparent(c, p);
-			return 0;
-		}
-	}
-	return -EINVAL;
-}
-
-/*
- * Super clocks have "clock skippers" instead of dividers.  Dividing using
- * a clock skipper does not allow the voltage to be scaled down, so instead
- * adjust the rate of the parent clock.  This requires that the parent of a
- * super clock have no other children, otherwise the rate will change
- * underneath the other children.
- */
-static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	return clk_set_rate(c->parent, rate);
-}
-
-struct clk_ops tegra_super_ops = {
-	.init			= tegra2_super_clk_init,
-	.enable			= tegra2_super_clk_enable,
-	.disable		= tegra2_super_clk_disable,
-	.set_parent		= tegra2_super_clk_set_parent,
-	.set_rate		= tegra2_super_clk_set_rate,
-};
-
-/* virtual cpu clock functions */
-/* some clocks can not be stopped (cpu, memory bus) while the SoC is running.
-   To change the frequency of these clocks, the parent pll may need to be
-   reprogrammed, so the clock must be moved off the pll, the pll reprogrammed,
-   and then the clock moved back to the pll.  To hide this sequence, a virtual
-   clock handles it.
- */
-static void tegra2_cpu_clk_init(struct clk *c)
-{
-}
-
-static int tegra2_cpu_clk_enable(struct clk *c)
-{
-	return 0;
-}
-
-static void tegra2_cpu_clk_disable(struct clk *c)
-{
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	/* oops - don't disable the CPU clock! */
-	BUG();
-}
-
-static int tegra2_cpu_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	int ret;
-	/*
-	 * Take an extra reference to the main pll so it doesn't turn
-	 * off when we move the cpu off of it
-	 */
-	clk_enable(c->u.cpu.main);
-
-	ret = clk_set_parent(c->parent, c->u.cpu.backup);
-	if (ret) {
-		pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.backup->name);
-		goto out;
-	}
-
-	if (rate == clk_get_rate(c->u.cpu.backup))
-		goto out;
-
-	ret = clk_set_rate(c->u.cpu.main, rate);
-	if (ret) {
-		pr_err("Failed to change cpu pll to %lu\n", rate);
-		goto out;
-	}
-
-	ret = clk_set_parent(c->parent, c->u.cpu.main);
-	if (ret) {
-		pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.main->name);
-		goto out;
-	}
-
-out:
-	clk_disable(c->u.cpu.main);
-	return ret;
-}
-
-struct clk_ops tegra_cpu_ops = {
-	.init     = tegra2_cpu_clk_init,
-	.enable   = tegra2_cpu_clk_enable,
-	.disable  = tegra2_cpu_clk_disable,
-	.set_rate = tegra2_cpu_clk_set_rate,
-};
-
-/* virtual cop clock functions. Used to acquire the fake 'cop' clock to
- * reset the COP block (i.e. AVP) */
-static void tegra2_cop_clk_reset(struct clk *c, 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);
-}
-
-struct clk_ops tegra_cop_ops = {
-	.reset    = tegra2_cop_clk_reset,
-};
-
-/* bus clock functions */
-static void tegra2_bus_clk_init(struct clk *c)
-{
-	u32 val = clk_readl(c->reg);
-	c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON;
-	c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1;
-	c->mul = 1;
-}
-
-static int tegra2_bus_clk_enable(struct clk *c)
-{
-	u32 val;
-	unsigned long flags;
-
-	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 tegra2_bus_clk_disable(struct clk *c)
-{
-	u32 val;
-	unsigned long flags;
-
-	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 int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	u32 val;
-	unsigned long parent_rate = clk_get_rate(c->parent);
-	unsigned long flags;
-	int ret = -EINVAL;
-	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;
-}
-
-struct clk_ops tegra_bus_ops = {
-	.init			= tegra2_bus_clk_init,
-	.enable			= tegra2_bus_clk_enable,
-	.disable		= tegra2_bus_clk_disable,
-	.set_rate		= tegra2_bus_clk_set_rate,
-};
-
-/* Blink output functions */
-
-static void tegra2_blink_clk_init(struct clk *c)
-{
-	u32 val;
-
-	val = pmc_readl(PMC_CTRL);
-	c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
-	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;
-	}
-}
-
-static int tegra2_blink_clk_enable(struct clk *c)
-{
-	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 tegra2_blink_clk_disable(struct clk *c)
-{
-	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 tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(c->parent);
-	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;
-}
-
-struct clk_ops tegra_blink_clk_ops = {
-	.init			= &tegra2_blink_clk_init,
-	.enable			= &tegra2_blink_clk_enable,
-	.disable		= &tegra2_blink_clk_disable,
-	.set_rate		= &tegra2_blink_clk_set_rate,
-};
-
-/* PLL Functions */
-static int tegra2_pll_clk_wait_for_lock(struct clk *c)
-{
-	udelay(c->u.pll.lock_delay);
-
-	return 0;
-}
-
-static void tegra2_pll_clk_init(struct clk *c)
-{
-	u32 val = clk_readl(c->reg + PLL_BASE);
-
-	c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
-
-	if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
-		pr_warning("Clock %s has unknown fixed frequency\n", c->name);
-		c->mul = 1;
-		c->div = 1;
-	} else if (val & PLL_BASE_BYPASS) {
-		c->mul = 1;
-		c->div = 1;
-	} else {
-		c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
-		c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
-		if (c->flags & PLLU)
-			c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2;
-		else
-			c->div *= (val & PLL_BASE_DIVP_MASK) ? 2 : 1;
-	}
-}
-
-static int tegra2_pll_clk_enable(struct clk *c)
-{
-	u32 val;
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	val = clk_readl(c->reg + PLL_BASE);
-	val &= ~PLL_BASE_BYPASS;
-	val |= PLL_BASE_ENABLE;
-	clk_writel(val, c->reg + PLL_BASE);
-
-	tegra2_pll_clk_wait_for_lock(c);
-
-	return 0;
-}
-
-static void tegra2_pll_clk_disable(struct clk *c)
-{
-	u32 val;
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	val = clk_readl(c->reg);
-	val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
-	clk_writel(val, c->reg);
-}
-
-static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	u32 val;
-	unsigned long input_rate;
-	const struct clk_pll_freq_table *sel;
-
-	pr_debug("%s: %s %lu\n", __func__, c->name, rate);
-
-	input_rate = clk_get_rate(c->parent);
-	for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
-		if (sel->input_rate == input_rate && sel->output_rate == rate) {
-			c->mul = sel->n;
-			c->div = sel->m * sel->p;
-
-			val = clk_readl(c->reg + PLL_BASE);
-			if (c->flags & PLL_FIXED)
-				val |= PLL_BASE_OVERRIDE;
-			val &= ~(PLL_BASE_DIVP_MASK | PLL_BASE_DIVN_MASK |
-				 PLL_BASE_DIVM_MASK);
-			val |= (sel->m << PLL_BASE_DIVM_SHIFT) |
-				(sel->n << PLL_BASE_DIVN_SHIFT);
-			BUG_ON(sel->p < 1 || sel->p > 2);
-			if (c->flags & PLLU) {
-				if (sel->p == 1)
-					val |= PLLU_BASE_POST_DIV;
-			} else {
-				if (sel->p == 2)
-					val |= 1 << PLL_BASE_DIVP_SHIFT;
-			}
-			clk_writel(val, c->reg + PLL_BASE);
-
-			if (c->flags & PLL_HAS_CPCON) {
-				val = clk_readl(c->reg + PLL_MISC(c));
-				val &= ~PLL_MISC_CPCON_MASK;
-				val |= sel->cpcon << PLL_MISC_CPCON_SHIFT;
-				clk_writel(val, c->reg + PLL_MISC(c));
-			}
-
-			if (c->state == ON)
-				tegra2_pll_clk_enable(c);
-
-			return 0;
-		}
-	}
-	return -EINVAL;
-}
-
-struct clk_ops tegra_pll_ops = {
-	.init			= tegra2_pll_clk_init,
-	.enable			= tegra2_pll_clk_enable,
-	.disable		= tegra2_pll_clk_disable,
-	.set_rate		= tegra2_pll_clk_set_rate,
-};
-
-static void tegra2_pllx_clk_init(struct clk *c)
-{
-	tegra2_pll_clk_init(c);
-
-	if (tegra_sku_id == 7)
-		c->max_rate = 750000000;
-}
-
-struct clk_ops tegra_pllx_ops = {
-	.init     = tegra2_pllx_clk_init,
-	.enable   = tegra2_pll_clk_enable,
-	.disable  = tegra2_pll_clk_disable,
-	.set_rate = tegra2_pll_clk_set_rate,
-};
-
-static int tegra2_plle_clk_enable(struct clk *c)
-{
-	u32 val;
-
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	mdelay(1);
-
-	val = clk_readl(c->reg + PLL_BASE);
-	if (!(val & PLLE_MISC_READY))
-		return -EBUSY;
-
-	val = clk_readl(c->reg + PLL_BASE);
-	val |= PLL_BASE_ENABLE | PLL_BASE_BYPASS;
-	clk_writel(val, c->reg + PLL_BASE);
-
-	return 0;
-}
-
-struct clk_ops tegra_plle_ops = {
-	.init       = tegra2_pll_clk_init,
-	.enable     = tegra2_plle_clk_enable,
-	.set_rate   = tegra2_pll_clk_set_rate,
-};
-
-/* Clock divider ops */
-static void tegra2_pll_div_clk_init(struct clk *c)
-{
-	u32 val = clk_readl(c->reg);
-	u32 divu71;
-	val >>= c->reg_shift;
-	c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
-	if (!(val & PLL_OUT_RESET_DISABLE))
-		c->state = OFF;
-
-	if (c->flags & DIV_U71) {
-		divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
-		c->div = (divu71 + 2);
-		c->mul = 2;
-	} else if (c->flags & DIV_2) {
-		c->div = 2;
-		c->mul = 1;
-	} else {
-		c->div = 1;
-		c->mul = 1;
-	}
-}
-
-static int tegra2_pll_div_clk_enable(struct clk *c)
-{
-	u32 val;
-	u32 new_val;
-	unsigned long flags;
-
-	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->flags & DIV_U71) {
-		spin_lock_irqsave(&clock_register_lock, flags);
-		val = clk_readl(c->reg);
-		new_val = val >> c->reg_shift;
-		new_val &= 0xFFFF;
-
-		new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
-
-		val &= ~(0xFFFF << c->reg_shift);
-		val |= new_val << c->reg_shift;
-		clk_writel(val, c->reg);
-		spin_unlock_irqrestore(&clock_register_lock, flags);
-		return 0;
-	} else if (c->flags & DIV_2) {
-		BUG_ON(!(c->flags & PLLD));
-		spin_lock_irqsave(&clock_register_lock, flags);
-		val = clk_readl(c->reg);
-		val &= ~PLLD_MISC_DIV_RST;
-		clk_writel(val, c->reg);
-		spin_unlock_irqrestore(&clock_register_lock, flags);
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static void tegra2_pll_div_clk_disable(struct clk *c)
-{
-	u32 val;
-	u32 new_val;
-	unsigned long flags;
-
-	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->flags & DIV_U71) {
-		spin_lock_irqsave(&clock_register_lock, flags);
-		val = clk_readl(c->reg);
-		new_val = val >> c->reg_shift;
-		new_val &= 0xFFFF;
-
-		new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
-
-		val &= ~(0xFFFF << c->reg_shift);
-		val |= new_val << c->reg_shift;
-		clk_writel(val, c->reg);
-		spin_unlock_irqrestore(&clock_register_lock, flags);
-	} else if (c->flags & DIV_2) {
-		BUG_ON(!(c->flags & PLLD));
-		spin_lock_irqsave(&clock_register_lock, flags);
-		val = clk_readl(c->reg);
-		val |= PLLD_MISC_DIV_RST;
-		clk_writel(val, c->reg);
-		spin_unlock_irqrestore(&clock_register_lock, flags);
-	}
-}
-
-static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	u32 val;
-	u32 new_val;
-	int divider_u71;
-	unsigned long parent_rate = clk_get_rate(c->parent);
-	unsigned long flags;
-
-	pr_debug("%s: %s %lu\n", __func__, c->name, rate);
-	if (c->flags & DIV_U71) {
-		divider_u71 = clk_div71_get_divider(parent_rate, rate);
-		if (divider_u71 >= 0) {
-			spin_lock_irqsave(&clock_register_lock, flags);
-			val = clk_readl(c->reg);
-			new_val = val >> c->reg_shift;
-			new_val &= 0xFFFF;
-			if (c->flags & DIV_U71_FIXED)
-				new_val |= PLL_OUT_OVERRIDE;
-			new_val &= ~PLL_OUT_RATIO_MASK;
-			new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
-
-			val &= ~(0xFFFF << c->reg_shift);
-			val |= new_val << c->reg_shift;
-			clk_writel(val, c->reg);
-			c->div = divider_u71 + 2;
-			c->mul = 2;
-			spin_unlock_irqrestore(&clock_register_lock, flags);
-			return 0;
-		}
-	} else if (c->flags & DIV_2) {
-		if (parent_rate == rate * 2)
-			return 0;
-	}
-	return -EINVAL;
-}
-
-static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate)
-{
-	int divider;
-	unsigned long parent_rate = clk_get_rate(c->parent);
-	pr_debug("%s: %s %lu\n", __func__, c->name, rate);
-
-	if (c->flags & DIV_U71) {
-		divider = clk_div71_get_divider(parent_rate, rate);
-		if (divider < 0)
-			return divider;
-		return DIV_ROUND_UP(parent_rate * 2, divider + 2);
-	} else if (c->flags & DIV_2) {
-		return DIV_ROUND_UP(parent_rate, 2);
-	}
-	return -EINVAL;
-}
-
-struct clk_ops tegra_pll_div_ops = {
-	.init			= tegra2_pll_div_clk_init,
-	.enable			= tegra2_pll_div_clk_enable,
-	.disable		= tegra2_pll_div_clk_disable,
-	.set_rate		= tegra2_pll_div_clk_set_rate,
-	.round_rate		= tegra2_pll_div_clk_round_rate,
-};
-
-/* Periph clk ops */
-
-static void tegra2_periph_clk_init(struct clk *c)
-{
-	u32 val = clk_readl(c->reg);
-	const struct clk_mux_sel *mux = NULL;
-	const struct clk_mux_sel *sel;
-	u32 shift;
-	u32 mask;
-
-	if (c->flags & MUX_PWM) {
-		shift = PERIPH_CLK_SOURCE_PWM_SHIFT;
-		mask = PERIPH_CLK_SOURCE_PWM_MASK;
-	} else {
-		shift = PERIPH_CLK_SOURCE_SHIFT;
-		mask = PERIPH_CLK_SOURCE_MASK;
-	}
-
-	if (c->flags & MUX) {
-		for (sel = c->inputs; sel->input != NULL; sel++) {
-			if ((val & mask) >> shift == sel->value)
-				mux = sel;
-		}
-		BUG_ON(!mux);
-
-		c->parent = mux->input;
-	} else {
-		c->parent = c->inputs[0].input;
-	}
-
-	if (c->flags & DIV_U71) {
-		u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK;
-		c->div = divu71 + 2;
-		c->mul = 2;
-	} else if (c->flags & DIV_U16) {
-		u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK;
-		c->div = divu16 + 1;
-		c->mul = 1;
-	} else {
-		c->div = 1;
-		c->mul = 1;
-	}
-
-	c->state = ON;
-
-	if (!c->u.periph.clk_num)
-		return;
-
-	if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
-			PERIPH_CLK_TO_ENB_BIT(c)))
-		c->state = OFF;
-
-	if (!(c->flags & PERIPH_NO_RESET))
-		if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) &
-				PERIPH_CLK_TO_ENB_BIT(c))
-			c->state = OFF;
-}
-
-static int tegra2_periph_clk_enable(struct clk *c)
-{
-	u32 val;
-	unsigned long flags;
-	int refcount;
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	if (!c->u.periph.clk_num)
-		return 0;
-
-	spin_lock_irqsave(&clock_register_lock, flags);
-
-	refcount = tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++;
-
-	if (refcount > 1)
-		goto out;
-
-	clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-		CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
-	if (!(c->flags & PERIPH_NO_RESET) && !(c->flags & PERIPH_MANUAL_RESET))
-		clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-			RST_DEVICES_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
-	if (c->flags & PERIPH_EMC_ENB) {
-		/* The EMC peripheral clock has 2 extra enable bits */
-		/* FIXME: Do they need to be disabled? */
-		val = clk_readl(c->reg);
-		val |= 0x3 << 24;
-		clk_writel(val, c->reg);
-	}
-
-out:
-	spin_unlock_irqrestore(&clock_register_lock, flags);
-
-	return 0;
-}
-
-static void tegra2_periph_clk_disable(struct clk *c)
-{
-	unsigned long flags;
-
-	pr_debug("%s on clock %s\n", __func__, c->name);
-
-	if (!c->u.periph.clk_num)
-		return;
-
-	spin_lock_irqsave(&clock_register_lock, flags);
-
-	if (c->refcnt)
-		tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--;
-
-	if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0)
-		clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-			CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
-
-	spin_unlock_irqrestore(&clock_register_lock, flags);
-}
-
-static void tegra2_periph_clk_reset(struct clk *c, bool assert)
-{
-	unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR;
-
-	pr_debug("%s %s on clock %s\n", __func__,
-		 assert ? "assert" : "deassert", c->name);
-
-	BUG_ON(!c->u.periph.clk_num);
-
-	if (!(c->flags & PERIPH_NO_RESET))
-		clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-			   base + PERIPH_CLK_TO_ENB_SET_REG(c));
-}
-
-static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p)
-{
-	u32 val;
-	const struct clk_mux_sel *sel;
-	u32 mask, shift;
-
-	pr_debug("%s: %s %s\n", __func__, c->name, p->name);
-
-	if (c->flags & MUX_PWM) {
-		shift = PERIPH_CLK_SOURCE_PWM_SHIFT;
-		mask = PERIPH_CLK_SOURCE_PWM_MASK;
-	} else {
-		shift = PERIPH_CLK_SOURCE_SHIFT;
-		mask = PERIPH_CLK_SOURCE_MASK;
-	}
-
-	for (sel = c->inputs; sel->input != NULL; sel++) {
-		if (sel->input == p) {
-			val = clk_readl(c->reg);
-			val &= ~mask;
-			val |= (sel->value) << shift;
-
-			if (c->refcnt)
-				clk_enable(p);
-
-			clk_writel(val, c->reg);
-
-			if (c->refcnt && c->parent)
-				clk_disable(c->parent);
-
-			clk_reparent(c, p);
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
-static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	u32 val;
-	int divider;
-	unsigned long parent_rate = clk_get_rate(c->parent);
-
-	if (c->flags & DIV_U71) {
-		divider = clk_div71_get_divider(parent_rate, rate);
-		if (divider >= 0) {
-			val = clk_readl(c->reg);
-			val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK;
-			val |= divider;
-			clk_writel(val, c->reg);
-			c->div = divider + 2;
-			c->mul = 2;
-			return 0;
-		}
-	} else if (c->flags & DIV_U16) {
-		divider = clk_div16_get_divider(parent_rate, rate);
-		if (divider >= 0) {
-			val = clk_readl(c->reg);
-			val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK;
-			val |= divider;
-			clk_writel(val, c->reg);
-			c->div = divider + 1;
-			c->mul = 1;
-			return 0;
-		}
-	} else if (parent_rate <= rate) {
-		c->div = 1;
-		c->mul = 1;
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static long tegra2_periph_clk_round_rate(struct clk *c,
-	unsigned long rate)
-{
-	int divider;
-	unsigned long parent_rate = clk_get_rate(c->parent);
-	pr_debug("%s: %s %lu\n", __func__, c->name, rate);
-
-	if (c->flags & DIV_U71) {
-		divider = clk_div71_get_divider(parent_rate, rate);
-		if (divider < 0)
-			return divider;
-
-		return DIV_ROUND_UP(parent_rate * 2, divider + 2);
-	} else if (c->flags & DIV_U16) {
-		divider = clk_div16_get_divider(parent_rate, rate);
-		if (divider < 0)
-			return divider;
-		return DIV_ROUND_UP(parent_rate, divider + 1);
-	}
-	return -EINVAL;
-}
-
-struct clk_ops tegra_periph_clk_ops = {
-	.init			= &tegra2_periph_clk_init,
-	.enable			= &tegra2_periph_clk_enable,
-	.disable		= &tegra2_periph_clk_disable,
-	.set_parent		= &tegra2_periph_clk_set_parent,
-	.set_rate		= &tegra2_periph_clk_set_rate,
-	.round_rate		= &tegra2_periph_clk_round_rate,
-	.reset			= &tegra2_periph_clk_reset,
-};
-
-/* The SDMMC controllers have extra bits in the clock source register that
- * adjust the delay between the clock and data to compenstate for delays
- * on the PCB. */
-void tegra2_sdmmc_tap_delay(struct clk *c, int delay)
-{
-	u32 reg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&c->spinlock, flags);
-
-	delay = clamp(delay, 0, 15);
-	reg = clk_readl(c->reg);
-	reg &= ~SDMMC_CLK_INT_FB_DLY_MASK;
-	reg |= SDMMC_CLK_INT_FB_SEL;
-	reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT;
-	clk_writel(reg, c->reg);
-
-	spin_unlock_irqrestore(&c->spinlock, flags);
-}
-
-/* External memory controller clock ops */
-static void tegra2_emc_clk_init(struct clk *c)
-{
-	tegra2_periph_clk_init(c);
-	c->max_rate = clk_get_rate_locked(c);
-}
-
-static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate)
-{
-	long emc_rate;
-	long clk_rate;
-
-	/*
-	 * The slowest entry in the EMC clock table that is at least as
-	 * fast as rate.
-	 */
-	emc_rate = tegra_emc_round_rate(rate);
-	if (emc_rate < 0)
-		return c->max_rate;
-
-	/*
-	 * The fastest rate the PLL will generate that is at most the
-	 * requested rate.
-	 */
-	clk_rate = tegra2_periph_clk_round_rate(c, emc_rate);
-
-	/*
-	 * If this fails, and emc_rate > clk_rate, it's because the maximum
-	 * rate in the EMC tables is larger than the maximum rate of the EMC
-	 * clock. The EMC clock's max rate is the rate it was running when the
-	 * kernel booted. Such a mismatch is probably due to using the wrong
-	 * BCT, i.e. using a Tegra20 BCT with an EMC table written for Tegra25.
-	 */
-	WARN_ONCE(emc_rate != clk_rate,
-		"emc_rate %ld != clk_rate %ld",
-		emc_rate, clk_rate);
-
-	return emc_rate;
-}
-
-static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate)
-{
-	int ret;
-	/*
-	 * The Tegra2 memory controller has an interlock with the clock
-	 * block that allows memory shadowed registers to be updated,
-	 * and then transfer them to the main registers at the same
-	 * time as the clock update without glitches.
-	 */
-	ret = tegra_emc_set_rate(rate);
-	if (ret < 0)
-		return ret;
-
-	ret = tegra2_periph_clk_set_rate(c, rate);
-	udelay(1);
-
-	return ret;
-}
-
-struct clk_ops tegra_emc_clk_ops = {
-	.init			= &tegra2_emc_clk_init,
-	.enable			= &tegra2_periph_clk_enable,
-	.disable		= &tegra2_periph_clk_disable,
-	.set_parent		= &tegra2_periph_clk_set_parent,
-	.set_rate		= &tegra2_emc_clk_set_rate,
-	.round_rate		= &tegra2_emc_clk_round_rate,
-	.reset			= &tegra2_periph_clk_reset,
-};
-
-/* Clock doubler ops */
-static void tegra2_clk_double_init(struct clk *c)
-{
-	c->mul = 2;
-	c->div = 1;
-	c->state = ON;
-
-	if (!c->u.periph.clk_num)
-		return;
-
-	if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
-			PERIPH_CLK_TO_ENB_BIT(c)))
-		c->state = OFF;
-};
-
-static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate)
-{
-	if (rate != 2 * clk_get_rate(c->parent))
-		return -EINVAL;
-	c->mul = 2;
-	c->div = 1;
-	return 0;
-}
-
-struct clk_ops tegra_clk_double_ops = {
-	.init			= &tegra2_clk_double_init,
-	.enable			= &tegra2_periph_clk_enable,
-	.disable		= &tegra2_periph_clk_disable,
-	.set_rate		= &tegra2_clk_double_set_rate,
-};
-
-/* Audio sync clock ops */
-static void tegra2_audio_sync_clk_init(struct clk *c)
-{
-	int source;
-	const struct clk_mux_sel *sel;
-	u32 val = clk_readl(c->reg);
-	c->state = (val & (1<<4)) ? OFF : ON;
-	source = val & 0xf;
-	for (sel = c->inputs; sel->input != NULL; sel++)
-		if (sel->value == source)
-			break;
-	BUG_ON(sel->input == NULL);
-	c->parent = sel->input;
-}
-
-static int tegra2_audio_sync_clk_enable(struct clk *c)
-{
-	clk_writel(0, c->reg);
-	return 0;
-}
-
-static void tegra2_audio_sync_clk_disable(struct clk *c)
-{
-	clk_writel(1, c->reg);
-}
-
-static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p)
-{
-	u32 val;
-	const struct clk_mux_sel *sel;
-	for (sel = c->inputs; sel->input != NULL; sel++) {
-		if (sel->input == p) {
-			val = clk_readl(c->reg);
-			val &= ~0xf;
-			val |= sel->value;
-
-			if (c->refcnt)
-				clk_enable(p);
-
-			clk_writel(val, c->reg);
-
-			if (c->refcnt && c->parent)
-				clk_disable(c->parent);
-
-			clk_reparent(c, p);
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
-struct clk_ops tegra_audio_sync_clk_ops = {
-	.init       = tegra2_audio_sync_clk_init,
-	.enable     = tegra2_audio_sync_clk_enable,
-	.disable    = tegra2_audio_sync_clk_disable,
-	.set_parent = tegra2_audio_sync_clk_set_parent,
-};
-
-/* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */
-
-static void tegra2_cdev_clk_init(struct clk *c)
-{
-	/* We could un-tristate the cdev1 or cdev2 pingroup here; this is
-	 * currently done in the pinmux code. */
-	c->state = ON;
-
-	BUG_ON(!c->u.periph.clk_num);
-
-	if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
-			PERIPH_CLK_TO_ENB_BIT(c)))
-		c->state = OFF;
-}
-
-static int tegra2_cdev_clk_enable(struct clk *c)
-{
-	BUG_ON(!c->u.periph.clk_num);
-
-	clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-		CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
-	return 0;
-}
-
-static void tegra2_cdev_clk_disable(struct clk *c)
-{
-	BUG_ON(!c->u.periph.clk_num);
-
-	clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
-		CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
-}
-
-struct clk_ops tegra_cdev_clk_ops = {
-	.init			= &tegra2_cdev_clk_init,
-	.enable			= &tegra2_cdev_clk_enable,
-	.disable		= &tegra2_cdev_clk_disable,
-};
-
-/* shared bus ops */
-/*
- * Some clocks may have multiple downstream users that need to request a
- * higher clock rate.  Shared bus clocks provide a unique shared_bus_user
- * clock to each user.  The frequency of the bus is set to the highest
- * enabled shared_bus_user clock, with a minimum value set by the
- * shared bus.
- */
-static int tegra_clk_shared_bus_update(struct clk *bus)
-{
-	struct clk *c;
-	unsigned long rate = bus->min_rate;
-
-	list_for_each_entry(c, &bus->shared_bus_list, u.shared_bus_user.node)
-		if (c->u.shared_bus_user.enabled)
-			rate = max(c->u.shared_bus_user.rate, rate);
-
-	if (rate == clk_get_rate_locked(bus))
-		return 0;
-
-	return clk_set_rate_locked(bus, rate);
-};
-
-static void tegra_clk_shared_bus_init(struct clk *c)
-{
-	unsigned long flags;
-
-	c->max_rate = c->parent->max_rate;
-	c->u.shared_bus_user.rate = c->parent->max_rate;
-	c->state = OFF;
-	c->set = true;
-
-	spin_lock_irqsave(&c->parent->spinlock, flags);
-
-	list_add_tail(&c->u.shared_bus_user.node,
-		&c->parent->shared_bus_list);
-
-	spin_unlock_irqrestore(&c->parent->spinlock, flags);
-}
-
-static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate)
-{
-	unsigned long flags;
-	int ret;
-	long new_rate = rate;
-
-	new_rate = clk_round_rate(c->parent, new_rate);
-	if (new_rate < 0)
-		return new_rate;
-
-	spin_lock_irqsave(&c->parent->spinlock, flags);
-
-	c->u.shared_bus_user.rate = new_rate;
-	ret = tegra_clk_shared_bus_update(c->parent);
-
-	spin_unlock_irqrestore(&c->parent->spinlock, flags);
-
-	return ret;
-}
-
-static long tegra_clk_shared_bus_round_rate(struct clk *c, unsigned long rate)
-{
-	return clk_round_rate(c->parent, rate);
-}
-
-static int tegra_clk_shared_bus_enable(struct clk *c)
-{
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&c->parent->spinlock, flags);
-
-	c->u.shared_bus_user.enabled = true;
-	ret = tegra_clk_shared_bus_update(c->parent);
-
-	spin_unlock_irqrestore(&c->parent->spinlock, flags);
-
-	return ret;
-}
-
-static void tegra_clk_shared_bus_disable(struct clk *c)
-{
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&c->parent->spinlock, flags);
-
-	c->u.shared_bus_user.enabled = false;
-	ret = tegra_clk_shared_bus_update(c->parent);
-	WARN_ON_ONCE(ret);
-
-	spin_unlock_irqrestore(&c->parent->spinlock, flags);
-}
-
-struct clk_ops tegra_clk_shared_bus_ops = {
-	.init = tegra_clk_shared_bus_init,
-	.enable = tegra_clk_shared_bus_enable,
-	.disable = tegra_clk_shared_bus_disable,
-	.set_rate = tegra_clk_shared_bus_set_rate,
-	.round_rate = tegra_clk_shared_bus_round_rate,
-};