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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>
This commit is contained in:
Prashant Gaikwad 2013-01-11 13:16:27 +05:30 committed by Stephen Warren
parent 61fd290d21
commit 52dec4c9ea
11 changed files with 0 additions and 7141 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-tegra/Makefile
View File

@ -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)

147
arch/arm/mach-tegra/clock.c
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@ -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;
}

153
arch/arm/mach-tegra/clock.h
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@ -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

41
arch/arm/mach-tegra/include/mach/clk.h
View File

@ -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

1623
arch/arm/mach-tegra/tegra20_clocks.c
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File diff suppressed because it is too large Load Diff

42
arch/arm/mach-tegra/tegra20_clocks.h
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@ -1,42 +0,0 @@
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MACH_TEGRA20_CLOCK_H
#define __MACH_TEGRA20_CLOCK_H
extern struct clk_ops tegra_clk_32k_ops;
extern struct clk_ops tegra_pll_ops;
extern struct clk_ops tegra_clk_m_ops;
extern struct clk_ops tegra_pll_div_ops;
extern struct clk_ops tegra_pllx_ops;
extern struct clk_ops tegra_plle_ops;
extern struct clk_ops tegra_clk_double_ops;
extern struct clk_ops tegra_cdev_clk_ops;
extern struct clk_ops tegra_audio_sync_clk_ops;
extern struct clk_ops tegra_super_ops;
extern struct clk_ops tegra_cpu_ops;
extern struct clk_ops tegra_twd_ops;
extern struct clk_ops tegra_cop_ops;
extern struct clk_ops tegra_bus_ops;
extern struct clk_ops tegra_blink_clk_ops;
extern struct clk_ops tegra_emc_clk_ops;
extern struct clk_ops tegra_periph_clk_ops;
extern struct clk_ops tegra_clk_shared_bus_ops;
void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert);
void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert);
#endif

1143
arch/arm/mach-tegra/tegra20_clocks_data.c
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File diff suppressed because it is too large Load Diff

2506
arch/arm/mach-tegra/tegra30_clocks.c
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File diff suppressed because it is too large Load Diff

54
arch/arm/mach-tegra/tegra30_clocks.h
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@ -1,54 +0,0 @@
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MACH_TEGRA30_CLOCK_H
#define __MACH_TEGRA30_CLOCK_H
extern struct clk_ops tegra30_clk_32k_ops;
extern struct clk_ops tegra30_clk_m_ops;
extern struct clk_ops tegra_clk_m_div_ops;
extern struct clk_ops tegra_pll_ref_ops;
extern struct clk_ops tegra30_pll_ops;
extern struct clk_ops tegra30_pll_div_ops;
extern struct clk_ops tegra_plld_ops;
extern struct clk_ops tegra30_plle_ops;
extern struct clk_ops tegra_cml_clk_ops;
extern struct clk_ops tegra_pciex_clk_ops;
extern struct clk_ops tegra_sync_source_ops;
extern struct clk_ops tegra30_audio_sync_clk_ops;
extern struct clk_ops tegra30_clk_double_ops;
extern struct clk_ops tegra_clk_out_ops;
extern struct clk_ops tegra30_super_ops;
extern struct clk_ops tegra30_blink_clk_ops;
extern struct clk_ops tegra30_twd_ops;
extern struct clk_ops tegra30_bus_ops;
extern struct clk_ops tegra30_periph_clk_ops;
extern struct clk_ops tegra30_dsib_clk_ops;
extern struct clk_ops tegra_nand_clk_ops;
extern struct clk_ops tegra_vi_clk_ops;
extern struct clk_ops tegra_dtv_clk_ops;
extern struct clk_ops tegra_clk_shared_bus_ops;
int tegra30_plld_clk_cfg_ex(struct clk_hw *hw,
enum tegra_clk_ex_param p, u32 setting);
void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert);
int tegra30_vi_clk_cfg_ex(struct clk_hw *hw,
enum tegra_clk_ex_param p, u32 setting);
int tegra30_nand_clk_cfg_ex(struct clk_hw *hw,
enum tegra_clk_ex_param p, u32 setting);
int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw,
enum tegra_clk_ex_param p, u32 setting);
#endif

1425
arch/arm/mach-tegra/tegra30_clocks_data.c
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File diff suppressed because it is too large Load Diff

2
include/linux/clk/tegra.h
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@ -120,8 +120,6 @@ static inline void tegra_cpu_clock_resume(void)
}
#endif
void tegra20_cpu_car_ops_init(void);
void tegra30_cpu_car_ops_init(void);
void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
void tegra_clocks_init(void);