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-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c26
-rw-r--r--arch/sh/boards/mach-highlander/setup.c12
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c20
-rw-r--r--arch/sh/include/asm/clock.h153
-rw-r--r--arch/sh/kernel/cpu/Makefile2
-rw-r--r--arch/sh/kernel/cpu/clock-cpg.c307
-rw-r--r--arch/sh/kernel/cpu/clock.c576
-rw-r--r--arch/sh/kernel/cpu/sh4/clock-sh4-202.c17
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7343.c213
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7366.c192
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7722.c47
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7723.c47
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7724.c38
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7757.c11
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7763.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7780.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7785.c149
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7786.c181
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-shx3.c13
-rw-r--r--drivers/sh/Makefile2
-rw-r--r--drivers/sh/clk-cpg.c298
-rw-r--r--drivers/sh/clk.c545
-rw-r--r--include/linux/sh_clk.h151
23 files changed, 1698 insertions, 1326 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 6c13b92..62123885 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -710,8 +710,6 @@ static struct clk_ops fsimck_clk_ops = {
};
static struct clk fsimckb_clk = {
- .name = "fsimckb_clk",
- .id = -1,
.ops = &fsimck_clk_ops,
.enable_reg = (void __iomem *)FCLKBCR,
.rate = 0, /* unknown */
@@ -1138,16 +1136,20 @@ static int __init arch_setup(void)
/* set SPU2 clock to 83.4 MHz */
clk = clk_get(NULL, "spu_clk");
- clk_set_rate(clk, clk_round_rate(clk, 83333333));
- clk_put(clk);
+ if (clk) {
+ clk_set_rate(clk, clk_round_rate(clk, 83333333));
+ clk_put(clk);
+ }
/* change parent of FSI B */
clk = clk_get(NULL, "fsib_clk");
- clk_register(&fsimckb_clk);
- clk_set_parent(clk, &fsimckb_clk);
- clk_set_rate(clk, 11000);
- clk_set_rate(&fsimckb_clk, 11000);
- clk_put(clk);
+ if (clk) {
+ clk_register(&fsimckb_clk);
+ clk_set_parent(clk, &fsimckb_clk);
+ clk_set_rate(clk, 11000);
+ clk_set_rate(&fsimckb_clk, 11000);
+ clk_put(clk);
+ }
gpio_request(GPIO_PTU0, NULL);
gpio_direction_output(GPIO_PTU0, 0);
@@ -1159,8 +1161,10 @@ static int __init arch_setup(void)
/* set VPU clock to 166 MHz */
clk = clk_get(NULL, "vpu_clk");
- clk_set_rate(clk, clk_round_rate(clk, 166000000));
- clk_put(clk);
+ if (clk) {
+ clk_set_rate(clk, clk_round_rate(clk, 166000000));
+ clk_put(clk);
+ }
/* enable IrDA */
gpio_request(GPIO_FN_IRDA_OUT, NULL);
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index affd667..a5ecfba 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -14,6 +14,7 @@
* for more details.
*/
#include <linux/init.h>
+#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/types.h>
@@ -26,6 +27,7 @@
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <mach/highlander.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/heartbeat.h>
#include <asm/io.h>
@@ -326,7 +328,6 @@ static struct clk_ops ivdr_clk_ops = {
};
static struct clk ivdr_clk = {
- .name = "ivdr_clk",
.ops = &ivdr_clk_ops,
};
@@ -334,6 +335,13 @@ static struct clk *r7780rp_clocks[] = {
&ivdr_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("ivdr_clk", &ivdr_clk),
+};
+
static void r7780rp_power_off(void)
{
if (mach_is_r7780mp() || mach_is_r7785rp())
@@ -370,6 +378,8 @@ static void __init highlander_setup(char **cmdline_p)
clk_enable(clk);
}
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
__raw_writew(0x0000, PA_OBLED); /* Clear LED. */
if (mach_is_r7780rp())
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index ccaa290..e74ae7b 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -276,8 +276,6 @@ static struct clk_ops fsimck_clk_ops = {
};
static struct clk fsimcka_clk = {
- .name = "fsimcka_clk",
- .id = -1,
.ops = &fsimck_clk_ops,
.enable_reg = (void __iomem *)FCLKACR,
.rate = 0, /* unknown */
@@ -771,16 +769,20 @@ static int __init devices_setup(void)
/* set SPU2 clock to 83.4 MHz */
clk = clk_get(NULL, "spu_clk");
- clk_set_rate(clk, clk_round_rate(clk, 83333333));
- clk_put(clk);
+ if (clk) {
+ clk_set_rate(clk, clk_round_rate(clk, 83333333));
+ clk_put(clk);
+ }
/* change parent of FSI A */
clk = clk_get(NULL, "fsia_clk");
- clk_register(&fsimcka_clk);
- clk_set_parent(clk, &fsimcka_clk);
- clk_set_rate(clk, 11000);
- clk_set_rate(&fsimcka_clk, 11000);
- clk_put(clk);
+ if (clk) {
+ clk_register(&fsimcka_clk);
+ clk_set_parent(clk, &fsimcka_clk);
+ clk_set_rate(clk, 11000);
+ clk_set_rate(&fsimcka_clk, 11000);
+ clk_put(clk);
+ }
/* SDHI0 connected to cn7 */
gpio_request(GPIO_FN_SDHI0CD, NULL);
diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index 405a12c..803d4c7 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -1,163 +1,16 @@
#ifndef __ASM_SH_CLOCK_H
#define __ASM_SH_CLOCK_H
-#include <linux/list.h>
-#include <linux/seq_file.h>
-#include <linux/cpufreq.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-
-struct clk;
-
-struct clk_ops {
- void (*init)(struct clk *clk);
- int (*enable)(struct clk *clk);
- void (*disable)(struct clk *clk);
- unsigned long (*recalc)(struct clk *clk);
- int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
- int (*set_parent)(struct clk *clk, struct clk *parent);
- long (*round_rate)(struct clk *clk, unsigned long rate);
-};
-
-struct clk {
- struct list_head node;
- const char *name;
- int id;
- struct module *owner;
-
- struct clk *parent;
- struct clk_ops *ops;
-
- struct list_head children;
- struct list_head sibling; /* node for children */
-
- int usecount;
-
- unsigned long rate;
- unsigned long flags;
-
- void __iomem *enable_reg;
- unsigned int enable_bit;
-
- unsigned long arch_flags;
- void *priv;
- struct dentry *dentry;
- struct cpufreq_frequency_table *freq_table;
-};
-
-#define CLK_ENABLE_ON_INIT (1 << 0)
+#include <linux/sh_clk.h>
/* Should be defined by processor-specific code */
void __deprecated arch_init_clk_ops(struct clk_ops **, int type);
int __init arch_clk_init(void);
-/* arch/sh/kernel/cpu/clock.c */
-int clk_init(void);
-unsigned long followparent_recalc(struct clk *);
-void recalculate_root_clocks(void);
-void propagate_rate(struct clk *);
-int clk_reparent(struct clk *child, struct clk *parent);
-int clk_register(struct clk *);
-void clk_unregister(struct clk *);
-
/* arch/sh/kernel/cpu/clock-cpg.c */
int __init __deprecated cpg_clk_init(void);
-/* the exported API, in addition to clk_set_rate */
-/**
- * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
- * @clk: clock source
- * @rate: desired clock rate in Hz
- * @algo_id: algorithm id to be passed down to ops->set_rate
- *
- * Returns success (0) or negative errno.
- */
-int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
-
-enum clk_sh_algo_id {
- NO_CHANGE = 0,
-
- IUS_N1_N1,
- IUS_322,
- IUS_522,
- IUS_N11,
-
- SB_N1,
-
- SB3_N1,
- SB3_32,
- SB3_43,
- SB3_54,
-
- BP_N1,
-
- IP_N1,
-};
-
-struct clk_div_mult_table {
- unsigned int *divisors;
- unsigned int nr_divisors;
- unsigned int *multipliers;
- unsigned int nr_multipliers;
-};
-
-struct cpufreq_frequency_table;
-void clk_rate_table_build(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- int nr_freqs,
- struct clk_div_mult_table *src_table,
- unsigned long *bitmap);
-
-long clk_rate_table_round(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- unsigned long rate);
-
-int clk_rate_table_find(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- unsigned long rate);
-
-#define SH_CLK_MSTP32(_name, _id, _parent, _enable_reg, \
- _enable_bit, _flags) \
-{ \
- .name = _name, \
- .id = _id, \
- .parent = _parent, \
- .enable_reg = (void __iomem *)_enable_reg, \
- .enable_bit = _enable_bit, \
- .flags = _flags, \
-}
-
-int sh_clk_mstp32_register(struct clk *clks, int nr);
-
-#define SH_CLK_DIV4(_name, _parent, _reg, _shift, _div_bitmap, _flags) \
-{ \
- .name = _name, \
- .parent = _parent, \
- .enable_reg = (void __iomem *)_reg, \
- .enable_bit = _shift, \
- .arch_flags = _div_bitmap, \
- .flags = _flags, \
-}
-
-struct clk_div4_table {
- struct clk_div_mult_table *div_mult_table;
- void (*kick)(struct clk *clk);
-};
-
-int sh_clk_div4_register(struct clk *clks, int nr,
- struct clk_div4_table *table);
-int sh_clk_div4_enable_register(struct clk *clks, int nr,
- struct clk_div4_table *table);
-int sh_clk_div4_reparent_register(struct clk *clks, int nr,
- struct clk_div4_table *table);
-
-#define SH_CLK_DIV6(_parent, _reg, _flags) \
-{ \
- .parent = _parent, \
- .enable_reg = (void __iomem *)_reg, \
- .flags = _flags, \
-}
-
-int sh_clk_div6_register(struct clk *clks, int nr);
+/* arch/sh/kernel/cpu/clock.c */
+int clk_init(void);
#endif /* __ASM_SH_CLOCK_H */
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 0e48bc61..4edcb60 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -16,7 +16,7 @@ obj-$(CONFIG_ARCH_SHMOBILE) += shmobile/
# Common interfaces.
obj-$(CONFIG_SH_ADC) += adc.o
-obj-$(CONFIG_SH_CLK_CPG) += clock-cpg.o
+obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o
obj-$(CONFIG_SH_FPU) += fpu.o
obj-$(CONFIG_SH_FPU_EMU) += fpu.o
diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c
index 17a73ad..e2f63d6 100644
--- a/arch/sh/kernel/cpu/clock-cpg.c
+++ b/arch/sh/kernel/cpu/clock-cpg.c
@@ -2,317 +2,25 @@
#include <linux/compiler.h>
#include <linux/slab.h>
#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
-static int sh_clk_mstp32_enable(struct clk *clk)
-{
- __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit),
- clk->enable_reg);
- return 0;
-}
-
-static void sh_clk_mstp32_disable(struct clk *clk)
-{
- __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit),
- clk->enable_reg);
-}
-
-static struct clk_ops sh_clk_mstp32_clk_ops = {
- .enable = sh_clk_mstp32_enable,
- .disable = sh_clk_mstp32_disable,
- .recalc = followparent_recalc,
-};
-
-int __init sh_clk_mstp32_register(struct clk *clks, int nr)
-{
- struct clk *clkp;
- int ret = 0;
- int k;
-
- for (k = 0; !ret && (k < nr); k++) {
- clkp = clks + k;
- clkp->ops = &sh_clk_mstp32_clk_ops;
- ret |= clk_register(clkp);
- }
-
- return ret;
-}
-
-static long sh_clk_div_round_rate(struct clk *clk, unsigned long rate)
-{
- return clk_rate_table_round(clk, clk->freq_table, rate);
-}
-
-static int sh_clk_div6_divisors[64] = {
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
- 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64
-};
-
-static struct clk_div_mult_table sh_clk_div6_table = {
- .divisors = sh_clk_div6_divisors,
- .nr_divisors = ARRAY_SIZE(sh_clk_div6_divisors),
-};
-
-static unsigned long sh_clk_div6_recalc(struct clk *clk)
-{
- struct clk_div_mult_table *table = &sh_clk_div6_table;
- unsigned int idx;
-
- clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
- table, NULL);
-
- idx = __raw_readl(clk->enable_reg) & 0x003f;
-
- return clk->freq_table[idx].frequency;
-}
-
-static int sh_clk_div6_set_rate(struct clk *clk,
- unsigned long rate, int algo_id)
-{
- unsigned long value;
- int idx;
-
- idx = clk_rate_table_find(clk, clk->freq_table, rate);
- if (idx < 0)
- return idx;
-
- value = __raw_readl(clk->enable_reg);
- value &= ~0x3f;
- value |= idx;
- __raw_writel(value, clk->enable_reg);
- return 0;
-}
-
-static int sh_clk_div6_enable(struct clk *clk)
-{
- unsigned long value;
- int ret;
-
- ret = sh_clk_div6_set_rate(clk, clk->rate, 0);
- if (ret == 0) {
- value = __raw_readl(clk->enable_reg);
- value &= ~0x100; /* clear stop bit to enable clock */
- __raw_writel(value, clk->enable_reg);
- }
- return ret;
-}
-
-static void sh_clk_div6_disable(struct clk *clk)
-{
- unsigned long value;
-
- value = __raw_readl(clk->enable_reg);
- value |= 0x100; /* stop clock */
- value |= 0x3f; /* VDIV bits must be non-zero, overwrite divider */
- __raw_writel(value, clk->enable_reg);
-}
-
-static struct clk_ops sh_clk_div6_clk_ops = {
- .recalc = sh_clk_div6_recalc,
- .round_rate = sh_clk_div_round_rate,
- .set_rate = sh_clk_div6_set_rate,
- .enable = sh_clk_div6_enable,
- .disable = sh_clk_div6_disable,
-};
-
-int __init sh_clk_div6_register(struct clk *clks, int nr)
-{
- struct clk *clkp;
- void *freq_table;
- int nr_divs = sh_clk_div6_table.nr_divisors;
- int freq_table_size = sizeof(struct cpufreq_frequency_table);
- int ret = 0;
- int k;
-
- freq_table_size *= (nr_divs + 1);
- freq_table = kzalloc(freq_table_size * nr, GFP_KERNEL);
- if (!freq_table) {
- pr_err("sh_clk_div6_register: unable to alloc memory\n");
- return -ENOMEM;
- }
-
- for (k = 0; !ret && (k < nr); k++) {
- clkp = clks + k;
-
- clkp->ops = &sh_clk_div6_clk_ops;
- clkp->id = -1;
- clkp->freq_table = freq_table + (k * freq_table_size);
- clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
-
- ret = clk_register(clkp);
- }
-
- return ret;
-}
-
-static unsigned long sh_clk_div4_recalc(struct clk *clk)
-{
- struct clk_div4_table *d4t = clk->priv;
- struct clk_div_mult_table *table = d4t->div_mult_table;
- unsigned int idx;
-
- clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
- table, &clk->arch_flags);
-
- idx = (__raw_readl(clk->enable_reg) >> clk->enable_bit) & 0x000f;
-
- return clk->freq_table[idx].frequency;
-}
-
-static int sh_clk_div4_set_parent(struct clk *clk, struct clk *parent)
-{
- struct clk_div4_table *d4t = clk->priv;
- struct clk_div_mult_table *table = d4t->div_mult_table;
- u32 value;
- int ret;
-
- if (!strcmp("pll_clk", parent->name))
- value = __raw_readl(clk->enable_reg) & ~(1 << 7);
- else
- value = __raw_readl(clk->enable_reg) | (1 << 7);
-
- ret = clk_reparent(clk, parent);
- if (ret < 0)
- return ret;
-
- __raw_writel(value, clk->enable_reg);
-
- /* Rebiuld the frequency table */
- clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
- table, &clk->arch_flags);
-
- return 0;
-}
-
-static int sh_clk_div4_set_rate(struct clk *clk, unsigned long rate, int algo_id)
-{
- struct clk_div4_table *d4t = clk->priv;
- unsigned long value;
- int idx = clk_rate_table_find(clk, clk->freq_table, rate);
- if (idx < 0)
- return idx;
-
- value = __raw_readl(clk->enable_reg);
- value &= ~(0xf << clk->enable_bit);
- value |= (idx << clk->enable_bit);
- __raw_writel(value, clk->enable_reg);
-
- if (d4t->kick)
- d4t->kick(clk);
-
- return 0;
-}
-
-static int sh_clk_div4_enable(struct clk *clk)
-{
- __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << 8), clk->enable_reg);
- return 0;
-}
-
-static void sh_clk_div4_disable(struct clk *clk)
-{
- __raw_writel(__raw_readl(clk->enable_reg) | (1 << 8), clk->enable_reg);
-}
-
-static struct clk_ops sh_clk_div4_clk_ops = {
- .recalc = sh_clk_div4_recalc,
- .set_rate = sh_clk_div4_set_rate,
- .round_rate = sh_clk_div_round_rate,
-};
-
-static struct clk_ops sh_clk_div4_enable_clk_ops = {
- .recalc = sh_clk_div4_recalc,
- .set_rate = sh_clk_div4_set_rate,
- .round_rate = sh_clk_div_round_rate,
- .enable = sh_clk_div4_enable,
- .disable = sh_clk_div4_disable,
-};
-
-static struct clk_ops sh_clk_div4_reparent_clk_ops = {
- .recalc = sh_clk_div4_recalc,
- .set_rate = sh_clk_div4_set_rate,
- .round_rate = sh_clk_div_round_rate,
- .enable = sh_clk_div4_enable,
- .disable = sh_clk_div4_disable,
- .set_parent = sh_clk_div4_set_parent,
-};
-
-static int __init sh_clk_div4_register_ops(struct clk *clks, int nr,
- struct clk_div4_table *table, struct clk_ops *ops)
-{
- struct clk *clkp;
- void *freq_table;
- int nr_divs = table->div_mult_table->nr_divisors;
- int freq_table_size = sizeof(struct cpufreq_frequency_table);
- int ret = 0;
- int k;
-
- freq_table_size *= (nr_divs + 1);
- freq_table = kzalloc(freq_table_size * nr, GFP_KERNEL);
- if (!freq_table) {
- pr_err("sh_clk_div4_register: unable to alloc memory\n");
- return -ENOMEM;
- }
-
- for (k = 0; !ret && (k < nr); k++) {
- clkp = clks + k;
-
- clkp->ops = ops;
- clkp->id = -1;
- clkp->priv = table;
-
- clkp->freq_table = freq_table + (k * freq_table_size);
- clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
-
- ret = clk_register(clkp);
- }
-
- return ret;
-}
-
-int __init sh_clk_div4_register(struct clk *clks, int nr,
- struct clk_div4_table *table)
-{
- return sh_clk_div4_register_ops(clks, nr, table, &sh_clk_div4_clk_ops);
-}
-
-int __init sh_clk_div4_enable_register(struct clk *clks, int nr,
- struct clk_div4_table *table)
-{
- return sh_clk_div4_register_ops(clks, nr, table,
- &sh_clk_div4_enable_clk_ops);
-}
-
-int __init sh_clk_div4_reparent_register(struct clk *clks, int nr,
- struct clk_div4_table *table)
-{
- return sh_clk_div4_register_ops(clks, nr, table,
- &sh_clk_div4_reparent_clk_ops);
-}
-
-#ifdef CONFIG_SH_CLK_CPG_LEGACY
static struct clk master_clk = {
- .name = "master_clk",
.flags = CLK_ENABLE_ON_INIT,
.rate = CONFIG_SH_PCLK_FREQ,
};
static struct clk peripheral_clk = {
- .name = "peripheral_clk",
.parent = &master_clk,
.flags = CLK_ENABLE_ON_INIT,
};
static struct clk bus_clk = {
- .name = "bus_clk",
.parent = &master_clk,
.flags = CLK_ENABLE_ON_INIT,
};
static struct clk cpu_clk = {
- .name = "cpu_clk",
.parent = &master_clk,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -327,6 +35,16 @@ static struct clk *onchip_clocks[] = {
&cpu_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("master_clk", &master_clk),
+ CLKDEV_CON_ID("peripheral_clk", &peripheral_clk),
+ CLKDEV_CON_ID("bus_clk", &bus_clk),
+ CLKDEV_CON_ID("cpu_clk", &cpu_clk),
+};
+
int __init __deprecated cpg_clk_init(void)
{
int i, ret = 0;
@@ -338,6 +56,8 @@ int __init __deprecated cpg_clk_init(void)
ret |= clk_register(clk);
}
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
clk_add_alias("tmu_fck", NULL, "peripheral_clk", NULL);
clk_add_alias("mtu2_fck", NULL, "peripheral_clk", NULL);
clk_add_alias("cmt_fck", NULL, "peripheral_clk", NULL);
@@ -354,4 +74,3 @@ int __init __weak arch_clk_init(void)
{
return cpg_clk_init();
}
-#endif /* CONFIG_SH_CPG_CLK_LEGACY */
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index a725c7f..50f887d 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -16,500 +16,10 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/list.h>
-#include <linux/kobject.h>
-#include <linux/sysdev.h>
-#include <linux/seq_file.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/debugfs.h>
-#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <asm/clock.h>
#include <asm/machvec.h>
-static LIST_HEAD(clock_list);
-static DEFINE_SPINLOCK(clock_lock);
-static DEFINE_MUTEX(clock_list_sem);
-
-void clk_rate_table_build(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- int nr_freqs,
- struct clk_div_mult_table *src_table,
- unsigned long *bitmap)
-{
- unsigned long mult, div;
- unsigned long freq;
- int i;
-
- for (i = 0; i < nr_freqs; i++) {
- div = 1;
- mult = 1;
-
- if (src_table->divisors && i < src_table->nr_divisors)
- div = src_table->divisors[i];
-
- if (src_table->multipliers && i < src_table->nr_multipliers)
- mult = src_table->multipliers[i];
-
- if (!div || !mult || (bitmap && !test_bit(i, bitmap)))
- freq = CPUFREQ_ENTRY_INVALID;
- else
- freq = clk->parent->rate * mult / div;
-
- freq_table[i].index = i;
- freq_table[i].frequency = freq;
- }
-
- /* Termination entry */
- freq_table[i].index = i;
- freq_table[i].frequency = CPUFREQ_TABLE_END;
-}
-
-long clk_rate_table_round(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- unsigned long rate)
-{
- unsigned long rate_error, rate_error_prev = ~0UL;
- unsigned long rate_best_fit = rate;
- unsigned long highest, lowest;
- int i;
-
- highest = lowest = 0;
-
- for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
- unsigned long freq = freq_table[i].frequency;
-
- if (freq == CPUFREQ_ENTRY_INVALID)
- continue;
-
- if (freq > highest)
- highest = freq;
- if (freq < lowest)
- lowest = freq;
-
- rate_error = abs(freq - rate);
- if (rate_error < rate_error_prev) {
- rate_best_fit = freq;
- rate_error_prev = rate_error;
- }
-
- if (rate_error == 0)
- break;
- }
-
- if (rate >= highest)
- rate_best_fit = highest;
- if (rate <= lowest)
- rate_best_fit = lowest;
-
- return rate_best_fit;
-}
-
-int clk_rate_table_find(struct clk *clk,
- struct cpufreq_frequency_table *freq_table,
- unsigned long rate)
-{
- int i;
-
- for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
- unsigned long freq = freq_table[i].frequency;
-
- if (freq == CPUFREQ_ENTRY_INVALID)
- continue;
-
- if (freq == rate)
- return i;
- }
-
- return -ENOENT;
-}
-
-/* Used for clocks that always have same value as the parent clock */
-unsigned long followparent_recalc(struct clk *clk)
-{
- return clk->parent ? clk->parent->rate : 0;
-}
-
-int clk_reparent(struct clk *child, struct clk *parent)
-{
- list_del_init(&child->sibling);
- if (parent)
- list_add(&child->sibling, &parent->children);
- child->parent = parent;
-
- /* now do the debugfs renaming to reattach the child
- to the proper parent */
-
- return 0;
-}
-
-/* Propagate rate to children */
-void propagate_rate(struct clk *tclk)
-{
- struct clk *clkp;
-
- list_for_each_entry(clkp, &tclk->children, sibling) {
- if (clkp->ops && clkp->ops->recalc)
- clkp->rate = clkp->ops->recalc(clkp);
-
- propagate_rate(clkp);
- }
-}
-
-static void __clk_disable(struct clk *clk)
-{
- if (clk->usecount == 0) {
- printk(KERN_ERR "Trying disable clock %s with 0 usecount\n",
- clk->name);
- WARN_ON(1);
- return;
- }
-
- if (!(--clk->usecount)) {
- if (likely(clk->ops && clk->ops->disable))
- clk->ops->disable(clk);
- if (likely(clk->parent))
- __clk_disable(clk->parent);
- }
-}
-
-void clk_disable(struct clk *clk)
-{
- unsigned long flags;
-
- if (!clk)
- return;
-
- spin_lock_irqsave(&clock_lock, flags);
- __clk_disable(clk);
- spin_unlock_irqrestore(&clock_lock, flags);
-}
-EXPORT_SYMBOL_GPL(clk_disable);
-
-static int __clk_enable(struct clk *clk)
-{
- int ret = 0;
-
- if (clk->usecount++ == 0) {
- if (clk->parent) {
- ret = __clk_enable(clk->parent);
- if (unlikely(ret))
- goto err;
- }
-
- if (clk->ops && clk->ops->enable) {
- ret = clk->ops->enable(clk);
- if (ret) {
- if (clk->parent)
- __clk_disable(clk->parent);
- goto err;
- }
- }
- }
-
- return ret;
-err:
- clk->usecount--;
- return ret;
-}
-
-int clk_enable(struct clk *clk)
-{
- unsigned long flags;
- int ret;
-
- if (!clk)
- return -EINVAL;
-
- spin_lock_irqsave(&clock_lock, flags);
- ret = __clk_enable(clk);
- spin_unlock_irqrestore(&clock_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(clk_enable);
-
-static LIST_HEAD(root_clks);
-
-/**
- * recalculate_root_clocks - recalculate and propagate all root clocks
- *
- * Recalculates all root clocks (clocks with no parent), which if the
- * clock's .recalc is set correctly, should also propagate their rates.
- * Called at init.
- */
-void recalculate_root_clocks(void)
-{
- struct clk *clkp;
-
- list_for_each_entry(clkp, &root_clks, sibling) {
- if (clkp->ops && clkp->ops->recalc)
- clkp->rate = clkp->ops->recalc(clkp);
- propagate_rate(clkp);
- }
-}
-
-int clk_register(struct clk *clk)
-{
- if (clk == NULL || IS_ERR(clk))
- return -EINVAL;
-
- /*
- * trap out already registered clocks
- */
- if (clk->node.next || clk->node.prev)
- return 0;
-
- mutex_lock(&clock_list_sem);
-
- INIT_LIST_HEAD(&clk->children);
- clk->usecount = 0;
-
- if (clk->parent)
- list_add(&clk->sibling, &clk->parent->children);
- else
- list_add(&clk->sibling, &root_clks);
-
- list_add(&clk->node, &clock_list);
- if (clk->ops && clk->ops->init)
- clk->ops->init(clk);
- mutex_unlock(&clock_list_sem);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(clk_register);
-
-void clk_unregister(struct clk *clk)
-{
- mutex_lock(&clock_list_sem);
- list_del(&clk->sibling);
- list_del(&clk->node);
- mutex_unlock(&clock_list_sem);
-}
-EXPORT_SYMBOL_GPL(clk_unregister);
-
-static void clk_enable_init_clocks(void)
-{
- struct clk *clkp;
-
- list_for_each_entry(clkp, &clock_list, node)
- if (clkp->flags & CLK_ENABLE_ON_INIT)
- clk_enable(clkp);
-}
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return clk->rate;
-}
-EXPORT_SYMBOL_GPL(clk_get_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- return clk_set_rate_ex(clk, rate, 0);
-}
-EXPORT_SYMBOL_GPL(clk_set_rate);
-
-int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id)
-{
- int ret = -EOPNOTSUPP;
- unsigned long flags;
-
- spin_lock_irqsave(&clock_lock, flags);
-
- if (likely(clk->ops && clk->ops->set_rate)) {
- ret = clk->ops->set_rate(clk, rate, algo_id);
- if (ret != 0)
- goto out_unlock;
- } else {
- clk->rate = rate;
- ret = 0;
- }
-
- if (clk->ops && clk->ops->recalc)
- clk->rate = clk->ops->recalc(clk);
-
- propagate_rate(clk);
-
-out_unlock:
- spin_unlock_irqrestore(&clock_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_rate_ex);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- unsigned long flags;
- int ret = -EINVAL;
-
- if (!parent || !clk)
- return ret;
- if (clk->parent == parent)
- return 0;
-
- spin_lock_irqsave(&clock_lock, flags);
- if (clk->usecount == 0) {
- if (clk->ops->set_parent)
- ret = clk->ops->set_parent(clk, parent);
- else
- ret = clk_reparent(clk, parent);
-
- if (ret == 0) {
- pr_debug("clock: set parent of %s to %s (new rate %ld)\n",
- clk->name, clk->parent->name, clk->rate);
- if (clk->ops->recalc)
- clk->rate = clk->ops->recalc(clk);
- propagate_rate(clk);
- }
- } else
- ret = -EBUSY;
- spin_unlock_irqrestore(&clock_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_parent);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- return clk->parent;
-}
-EXPORT_SYMBOL_GPL(clk_get_parent);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- if (likely(clk->ops && clk->ops->round_rate)) {
- unsigned long flags, rounded;
-
- spin_lock_irqsave(&clock_lock, flags);
- rounded = clk->ops->round_rate(clk, rate);
- spin_unlock_irqrestore(&clock_lock, flags);
-
- return rounded;
- }
-
- return clk_get_rate(clk);
-}
-EXPORT_SYMBOL_GPL(clk_round_rate);
-
-/*
- * Returns a clock. Note that we first try to use device id on the bus
- * and clock name. If this fails, we try to use clock name only.
- */
-struct clk *clk_get(struct device *dev, const char *id)
-{
- const char *dev_id = dev ? dev_name(dev) : NULL;
- struct clk *p, *clk = ERR_PTR(-ENOENT);
- int idno;
-
- clk = clk_get_sys(dev_id, id);
- if (clk && !IS_ERR(clk))
- return clk;
-
- if (dev == NULL || dev->bus != &platform_bus_type)
- idno = -1;
- else
- idno = to_platform_device(dev)->id;
-
- mutex_lock(&clock_list_sem);
- list_for_each_entry(p, &clock_list, node) {
- if (p->name && p->id == idno &&
- strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
- clk = p;
- goto found;
- }
- }
-
- list_for_each_entry(p, &clock_list, node) {
- if (p->name &&
- strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
- clk = p;
- break;
- }
- }
-
-found:
- mutex_unlock(&clock_list_sem);
-
- return clk;
-}
-EXPORT_SYMBOL_GPL(clk_get);
-
-void clk_put(struct clk *clk)
-{
- if (clk && !IS_ERR(clk))
- module_put(clk->owner);
-}
-EXPORT_SYMBOL_GPL(clk_put);
-
-#ifdef CONFIG_PM
-static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state)
-{
- static pm_message_t prev_state;
- struct clk *clkp;
-
- switch (state.event) {
- case PM_EVENT_ON:
- /* Resumeing from hibernation */
- if (prev_state.event != PM_EVENT_FREEZE)
- break;
-
- list_for_each_entry(clkp, &clock_list, node) {
- if (likely(clkp->ops)) {
- unsigned long rate = clkp->rate;
-
- if (likely(clkp->ops->set_parent))
- clkp->ops->set_parent(clkp,
- clkp->parent);
- if (likely(clkp->ops->set_rate))
- clkp->ops->set_rate(clkp,
- rate, NO_CHANGE);
- else if (likely(clkp->ops->recalc))
- clkp->rate = clkp->ops->recalc(clkp);
- }
- }
- break;
- case PM_EVENT_FREEZE:
- break;
- case PM_EVENT_SUSPEND:
- break;
- }
-
- prev_state = state;
- return 0;
-}
-
-static int clks_sysdev_resume(struct sys_device *dev)
-{
- return clks_sysdev_suspend(dev, PMSG_ON);
-}
-
-static struct sysdev_class clks_sysdev_class = {
- .name = "clks",
-};
-
-static struct sysdev_driver clks_sysdev_driver = {
- .suspend = clks_sysdev_suspend,
- .resume = clks_sysdev_resume,
-};
-
-static struct sys_device clks_sysdev_dev = {
- .cls = &clks_sysdev_class,
-};
-
-static int __init clk_sysdev_init(void)
-{
- sysdev_class_register(&clks_sysdev_class);
- sysdev_driver_register(&clks_sysdev_class, &clks_sysdev_driver);
- sysdev_register(&clks_sysdev_dev);
-
- return 0;
-}
-subsys_initcall(clk_sysdev_init);
-#endif
-
int __init clk_init(void)
{
int ret;
@@ -539,89 +49,19 @@ int __init clk_init(void)
}
/*
- * debugfs support to trace clock tree hierarchy and attributes
+ * Returns a clock. Note that we first try to use device id on the bus
+ * and clock name. If this fails, we try to use clock name only.
*/
-static struct dentry *clk_debugfs_root;
-
-static int clk_debugfs_register_one(struct clk *c)
+struct clk *clk_get(struct device *dev, const char *con_id)
{
- int err;
- struct dentry *d, *child, *child_tmp;
- struct clk *pa = c->parent;
- char s[255];
- char *p = s;
-
- p += sprintf(p, "%s", c->name);
- if (c->id >= 0)
- sprintf(p, ":%d", c->id);
- d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
- if (!d)
- return -ENOMEM;
- c->dentry = d;
-
- d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- return 0;
+ const char *dev_id = dev ? dev_name(dev) : NULL;
-err_out:
- d = c->dentry;
- list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
- debugfs_remove(child);
- debugfs_remove(c->dentry);
- return err;
+ return clk_get_sys(dev_id, con_id);
}
+EXPORT_SYMBOL_GPL(clk_get);
-static int clk_debugfs_register(struct clk *c)
+void clk_put(struct clk *clk)
{
- int err;
- struct clk *pa = c->parent;
-
- if (pa && !pa->dentry) {
- err = clk_debugfs_register(pa);
- if (err)
- return err;
- }
-
- if (!c->dentry && c->name) {
- err = clk_debugfs_register_one(c);
- if (err)
- return err;
- }
- return 0;
}
+EXPORT_SYMBOL_GPL(clk_put);
-static int __init clk_debugfs_init(void)
-{
- struct clk *c;
- struct dentry *d;
- int err;
-
- d = debugfs_create_dir("clock", NULL);
- if (!d)
- return -ENOMEM;
- clk_debugfs_root = d;
-
- list_for_each_entry(c, &clock_list, node) {
- err = clk_debugfs_register(c);
- if (err)
- goto err_out;
- }
- return 0;
-err_out:
- debugfs_remove_recursive(clk_debugfs_root);
- return err;
-}
-late_initcall(clk_debugfs_init);
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index 6b80850..4eabc68c 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -12,9 +12,10 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/err.h>
+#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
-#include <asm/io.h>
#define CPG2_FRQCR3 0xfe0a0018
@@ -45,7 +46,6 @@ static struct clk_ops sh4202_emi_clk_ops = {
};
static struct clk sh4202_emi_clk = {
- .name = "emi_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh4202_emi_clk_ops,
};
@@ -61,7 +61,6 @@ static struct clk_ops sh4202_femi_clk_ops = {
};
static struct clk sh4202_femi_clk = {
- .name = "femi_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh4202_femi_clk_ops,
};
@@ -139,7 +138,6 @@ static struct clk_ops sh4202_shoc_clk_ops = {
};
static struct clk sh4202_shoc_clk = {
- .name = "shoc_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh4202_shoc_clk_ops,
};
@@ -150,6 +148,15 @@ static struct clk *sh4202_onchip_clocks[] = {
&sh4202_shoc_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("emi_clk", &sh4202_emi_clk),
+ CLKDEV_CON_ID("femi_clk", &sh4202_femi_clk),
+ CLKDEV_CON_ID("shoc_clk", &sh4202_shoc_clk),
+};
+
int __init arch_clk_init(void)
{
struct clk *clk;
@@ -167,5 +174,7 @@ int __init arch_clk_init(void)
clk_put(clk);
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
index a066c43..71291ae 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
@@ -37,8 +37,6 @@
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
- .name = "rclk",
- .id = -1,
.rate = 32768,
};
@@ -47,8 +45,6 @@ static struct clk r_clk = {
* from the platform code.
*/
struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -70,8 +66,6 @@ static struct clk_ops dll_clk_ops = {
};
static struct clk dll_clk = {
- .name = "dll_clk",
- .id = -1,
.ops = &dll_clk_ops,
.parent = &r_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -92,8 +86,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -122,18 +114,18 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P,
DIV4_SIUA, DIV4_SIUB, DIV4_NR };
-#define DIV4(_str, _reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+#define DIV4(_reg, _bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x1fff, 0),
- [DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x1fff, 0),
- [DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x1fff, 0),
+ [DIV4_I] = DIV4(FRQCR, 20, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_U] = DIV4(FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B3] = DIV4(FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(FRQCR, 0, 0x1fff, 0),
+ [DIV4_SIUA] = DIV4(SCLKACR, 0, 0x1fff, 0),
+ [DIV4_SIUB] = DIV4(SCLKBCR, 0, 0x1fff, 0),
};
enum { DIV6_V, DIV6_NR };
@@ -142,61 +134,148 @@ struct clk div6_clks[DIV6_NR] = {
[DIV6_V] = SH_CLK_DIV6(&pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _flags) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _flags)
-
-static struct clk mstp_clks[] = {
- MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, CLK_ENABLE_ON_INIT),
- MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, CLK_ENABLE_ON_INIT),
- MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, CLK_ENABLE_ON_INIT),
- MSTP("uram0", &div4_clks[DIV4_U], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
- MSTP("xymem0", &div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
- MSTP("intc3", &div4_clks[DIV4_P], MSTPCR0, 23, 0),
- MSTP("intc0", &div4_clks[DIV4_P], MSTPCR0, 22, 0),
- MSTP("dmac0", &div4_clks[DIV4_P], MSTPCR0, 21, 0),
- MSTP("sh0", &div4_clks[DIV4_P], MSTPCR0, 20, 0),
- MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0),
- MSTP("ubc0", &div4_clks[DIV4_P], MSTPCR0, 17, 0),
- MSTP("tmu_fck", &div4_clks[DIV4_P], MSTPCR0, 15, 0),
- MSTP("cmt_fck", &r_clk, MSTPCR0, 14, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
- MSTP("mfi0", &div4_clks[DIV4_P], MSTPCR0, 11, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 5, 0),
- SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 4, 0),
- MSTP("sio0", &div4_clks[DIV4_P], MSTPCR0, 3, 0),
- MSTP("siof0", &div4_clks[DIV4_P], MSTPCR0, 2, 0),
- MSTP("siof1", &div4_clks[DIV4_P], MSTPCR0, 1, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0),
- MSTP("i2c1", &div4_clks[DIV4_P], MSTPCR1, 8, 0),
-
- MSTP("tpu0", &div4_clks[DIV4_P], MSTPCR2, 25, 0),
- MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0),
- MSTP("sdhi0", &div4_clks[DIV4_P], MSTPCR2, 18, 0),
- MSTP("mmcif0", &div4_clks[DIV4_P], MSTPCR2, 17, 0),
- MSTP("sim0", &div4_clks[DIV4_P], MSTPCR2, 16, 0),
- MSTP("keysc0", &r_clk, MSTPCR2, 14, 0),
- MSTP("tsif0", &div4_clks[DIV4_P], MSTPCR2, 13, 0),
- MSTP("s3d40", &div4_clks[DIV4_P], MSTPCR2, 12, 0),
- MSTP("usbf0", &div4_clks[DIV4_P], MSTPCR2, 11, 0),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0),
- MSTP("jpu0", &div4_clks[DIV4_B], MSTPCR2, 6, CLK_ENABLE_ON_INIT),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0),
+#define MSTP(_parent, _reg, _bit, _flags) \
+ SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
+
+enum { MSTP031, MSTP030, MSTP029, MSTP028, MSTP026,
+ MSTP023, MSTP022, MSTP021, MSTP020, MSTP019, MSTP018, MSTP017, MSTP016,
+ MSTP015, MSTP014, MSTP013, MSTP012, MSTP011, MSTP010,
+ MSTP007, MSTP006, MSTP005, MSTP004, MSTP003, MSTP002, MSTP001,
+ MSTP109, MSTP108, MSTP100,
+ MSTP225, MSTP224, MSTP218, MSTP217, MSTP216,
+ MSTP214, MSTP213, MSTP212, MSTP211, MSTP208,
+ MSTP206, MSTP205, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
+ MSTP_NR };
+
+static struct clk mstp_clks[MSTP_NR] = {
+ [MSTP031] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 31, CLK_ENABLE_ON_INIT),
+ [MSTP030] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 30, CLK_ENABLE_ON_INIT),
+ [MSTP029] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 29, CLK_ENABLE_ON_INIT),
+ [MSTP028] = MSTP(&div4_clks[DIV4_U], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
+ [MSTP026] = MSTP(&div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
+ [MSTP023] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 23, 0),
+ [MSTP022] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 22, 0),
+ [MSTP021] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 21, 0),
+ [MSTP020] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 20, 0),
+ [MSTP019] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 19, 0),
+ [MSTP017] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 17, 0),
+ [MSTP015] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 15, 0),
+ [MSTP014] = MSTP(&r_clk, MSTPCR0, 14, 0),
+ [MSTP013] = MSTP(&r_clk, MSTPCR0, 13, 0),
+ [MSTP011] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 11, 0),
+ [MSTP010] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 10, 0),
+ [MSTP007] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 7, 0),
+ [MSTP006] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 6, 0),
+ [MSTP005] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 5, 0),
+ [MSTP004] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 4, 0),
+ [MSTP003] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 3, 0),
+ [MSTP002] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 2, 0),
+ [MSTP001] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 1, 0),
+
+ [MSTP109] = MSTP(&div4_clks[DIV4_P], MSTPCR1, 9, 0),
+ [MSTP108] = MSTP(&div4_clks[DIV4_P], MSTPCR1, 8, 0),
+
+ [MSTP225] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 25, 0),
+ [MSTP224] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 24, 0),
+ [MSTP218] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 18, 0),
+ [MSTP217] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 17, 0),
+ [MSTP216] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 16, 0),
+ [MSTP214] = MSTP(&r_clk, MSTPCR2, 14, 0),
+ [MSTP213] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 13, 0),
+ [MSTP212] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 12, 0),
+ [MSTP211] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 11, 0),
+ [MSTP208] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 8, 0),
+ [MSTP206] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 6, CLK_ENABLE_ON_INIT),
+ [MSTP205] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 5, 0),
+ [MSTP204] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 4, 0),
+ [MSTP203] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 3, 0),
+ [MSTP202] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
+ [MSTP201] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
+ [MSTP200] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 0, 0),
};
#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("rclk", &r_clk),
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("dll_clk", &dll_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+ CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("b3_clk", &div4_clks[DIV4_B3]),
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("siua_clk", &div4_clks[DIV4_SIUA]),
+ CLKDEV_CON_ID("siub_clk", &div4_clks[DIV4_SIUB]),
+
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
+
+ /* MSTP32 clocks */
+ CLKDEV_CON_ID("tlb0", &mstp_clks[MSTP031]),
+ CLKDEV_CON_ID("ic0", &mstp_clks[MSTP030]),
+ CLKDEV_CON_ID("oc0", &mstp_clks[MSTP029]),
+ CLKDEV_CON_ID("uram0", &mstp_clks[MSTP028]),
+ CLKDEV_CON_ID("xymem0", &mstp_clks[MSTP026]),
+ CLKDEV_CON_ID("intc3", &mstp_clks[MSTP023]),
+ CLKDEV_CON_ID("intc0", &mstp_clks[MSTP022]),
+ CLKDEV_CON_ID("dmac0", &mstp_clks[MSTP021]),
+ CLKDEV_CON_ID("sh0", &mstp_clks[MSTP020]),
+ CLKDEV_CON_ID("hudi0", &mstp_clks[MSTP019]),
+ CLKDEV_CON_ID("ubc0", &mstp_clks[MSTP017]),
+ CLKDEV_CON_ID("tmu_fck", &mstp_clks[MSTP015]),
+ CLKDEV_CON_ID("cmt_fck", &mstp_clks[MSTP014]),
+ CLKDEV_CON_ID("rwdt0", &mstp_clks[MSTP013]),
+ CLKDEV_CON_ID("mfi0", &mstp_clks[MSTP011]),
+ CLKDEV_CON_ID("flctl0", &mstp_clks[MSTP010]),
+ {
+ /* SCIF0 */
+ .dev_id = "sh-sci.0",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP007],
+ }, {
+ /* SCIF1 */
+ .dev_id = "sh-sci.1",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP006],
+ }, {
+ /* SCIF2 */
+ .dev_id = "sh-sci.2",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP005],
+ }, {
+ /* SCIF3 */
+ .dev_id = "sh-sci.3",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP004],
+ },
+ CLKDEV_CON_ID("sio0", &mstp_clks[MSTP003]),
+ CLKDEV_CON_ID("siof0", &mstp_clks[MSTP002]),
+ CLKDEV_CON_ID("siof1", &mstp_clks[MSTP001]),
+ CLKDEV_CON_ID("i2c0", &mstp_clks[MSTP109]),
+ CLKDEV_CON_ID("i2c1", &mstp_clks[MSTP108]),
+ CLKDEV_CON_ID("tpu0", &mstp_clks[MSTP225]),
+ CLKDEV_CON_ID("irda0", &mstp_clks[MSTP224]),
+ CLKDEV_CON_ID("sdhi0", &mstp_clks[MSTP218]),
+ CLKDEV_CON_ID("mmcif0", &mstp_clks[MSTP217]),
+ CLKDEV_CON_ID("sim0", &mstp_clks[MSTP216]),
+ CLKDEV_CON_ID("keysc0", &mstp_clks[MSTP214]),
+ CLKDEV_CON_ID("tsif0", &mstp_clks[MSTP213]),
+ CLKDEV_CON_ID("s3d40", &mstp_clks[MSTP212]),
+ CLKDEV_CON_ID("usbf0", &mstp_clks[MSTP211]),
+ CLKDEV_CON_ID("siu0", &mstp_clks[MSTP208]),
+ CLKDEV_CON_ID("jpu0", &mstp_clks[MSTP206]),
+ CLKDEV_CON_ID("vou0", &mstp_clks[MSTP205]),
+ CLKDEV_CON_ID("beu0", &mstp_clks[MSTP204]),
+ CLKDEV_CON_ID("ceu0", &mstp_clks[MSTP203]),
+ CLKDEV_CON_ID("veu0", &mstp_clks[MSTP202]),
+ CLKDEV_CON_ID("vpu0", &mstp_clks[MSTP201]),
+ CLKDEV_CON_ID("lcdc0", &mstp_clks[MSTP200]),
};
int __init arch_clk_init(void)
@@ -221,7 +300,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, DIV6_NR);
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
index 44cc5a0..7ce5bbc 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
@@ -37,8 +37,6 @@
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
- .name = "rclk",
- .id = -1,
.rate = 32768,
};
@@ -47,8 +45,6 @@ static struct clk r_clk = {
* from the platform code.
*/
struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -70,8 +66,6 @@ static struct clk_ops dll_clk_ops = {
};
static struct clk dll_clk = {
- .name = "dll_clk",
- .id = -1,
.ops = &dll_clk_ops,
.parent = &r_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -95,8 +89,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -125,18 +117,18 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P,
DIV4_SIUA, DIV4_SIUB, DIV4_NR };
-#define DIV4(_str, _reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+#define DIV4(_reg, _bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT),
- [DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x1fff, 0),
- [DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x1fff, 0),
- [DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x1fff, 0),
+ [DIV4_I] = DIV4(FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT),
+ [DIV4_U] = DIV4(FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B3] = DIV4(FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(FRQCR, 0, 0x1fff, 0),
+ [DIV4_SIUA] = DIV4(SCLKACR, 0, 0x1fff, 0),
+ [DIV4_SIUB] = DIV4(SCLKBCR, 0, 0x1fff, 0),
};
enum { DIV6_V, DIV6_NR };
@@ -145,58 +137,134 @@ struct clk div6_clks[DIV6_NR] = {
[DIV6_V] = SH_CLK_DIV6(&pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _flags) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _flags)
+#define MSTP(_parent, _reg, _bit, _flags) \
+ SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
-static struct clk mstp_clks[] = {
+enum { MSTP031, MSTP030, MSTP029, MSTP028, MSTP026,
+ MSTP023, MSTP022, MSTP021, MSTP020, MSTP019, MSTP018, MSTP017, MSTP016,
+ MSTP015, MSTP014, MSTP013, MSTP012, MSTP011, MSTP010,
+ MSTP007, MSTP006, MSTP005, MSTP002, MSTP001,
+ MSTP109, MSTP100,
+ MSTP227, MSTP226, MSTP224, MSTP223, MSTP222, MSTP218, MSTP217,
+ MSTP211, MSTP207, MSTP205, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
+ MSTP_NR };
+
+static struct clk mstp_clks[MSTP_NR] = {
/* See page 52 of Datasheet V0.40: Overview -> Block Diagram */
- MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, CLK_ENABLE_ON_INIT),
- MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, CLK_ENABLE_ON_INIT),
- MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, CLK_ENABLE_ON_INIT),
- MSTP("rsmem0", &div4_clks[DIV4_SH], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
- MSTP("xymem0", &div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
- MSTP("intc3", &div4_clks[DIV4_P], MSTPCR0, 23, 0),
- MSTP("intc0", &div4_clks[DIV4_P], MSTPCR0, 22, 0),
- MSTP("dmac0", &div4_clks[DIV4_P], MSTPCR0, 21, 0),
- MSTP("sh0", &div4_clks[DIV4_P], MSTPCR0, 20, 0),
- MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0),
- MSTP("ubc0", &div4_clks[DIV4_P], MSTPCR0, 17, 0),
- MSTP("tmu_fck", &div4_clks[DIV4_P], MSTPCR0, 15, 0),
- MSTP("cmt_fck", &r_clk, MSTPCR0, 14, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
- MSTP("mfi0", &div4_clks[DIV4_P], MSTPCR0, 11, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 5, 0),
- MSTP("msiof0", &div4_clks[DIV4_P], MSTPCR0, 2, 0),
- MSTP("sbr0", &div4_clks[DIV4_P], MSTPCR0, 1, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0),
-
- MSTP("icb0", &div4_clks[DIV4_P], MSTPCR2, 27, 0),
- MSTP("meram0", &div4_clks[DIV4_P], MSTPCR2, 26, 0),
- MSTP("dacy1", &div4_clks[DIV4_P], MSTPCR2, 24, 0),
- MSTP("dacy0", &div4_clks[DIV4_P], MSTPCR2, 23, 0),
- MSTP("tsif0", &div4_clks[DIV4_P], MSTPCR2, 22, 0),
- MSTP("sdhi0", &div4_clks[DIV4_P], MSTPCR2, 18, 0),
- MSTP("mmcif0", &div4_clks[DIV4_P], MSTPCR2, 17, 0),
- MSTP("usbf0", &div4_clks[DIV4_P], MSTPCR2, 11, 0),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 9, 0),
- MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 7, CLK_ENABLE_ON_INIT),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0),
+ [MSTP031] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 31, CLK_ENABLE_ON_INIT),
+ [MSTP030] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 30, CLK_ENABLE_ON_INIT),
+ [MSTP029] = MSTP(&div4_clks[DIV4_I], MSTPCR0, 29, CLK_ENABLE_ON_INIT),
+ [MSTP028] = MSTP(&div4_clks[DIV4_SH], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
+ [MSTP026] = MSTP(&div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
+ [MSTP023] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 23, 0),
+ [MSTP022] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 22, 0),
+ [MSTP021] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 21, 0),
+ [MSTP020] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 20, 0),
+ [MSTP019] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 19, 0),
+ [MSTP017] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 17, 0),
+ [MSTP015] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 15, 0),
+ [MSTP014] = MSTP(&r_clk, MSTPCR0, 14, 0),
+ [MSTP013] = MSTP(&r_clk, MSTPCR0, 13, 0),
+ [MSTP011] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 11, 0),
+ [MSTP010] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 10, 0),
+ [MSTP007] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 7, 0),
+ [MSTP006] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 6, 0),
+ [MSTP005] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 5, 0),
+ [MSTP002] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 2, 0),
+ [MSTP001] = MSTP(&div4_clks[DIV4_P], MSTPCR0, 1, 0),
+
+ [MSTP109] = MSTP(&div4_clks[DIV4_P], MSTPCR1, 9, 0),
+
+ [MSTP227] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 27, 0),
+ [MSTP226] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 26, 0),
+ [MSTP224] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 24, 0),
+ [MSTP223] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 23, 0),
+ [MSTP222] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 22, 0),
+ [MSTP218] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 18, 0),
+ [MSTP217] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 17, 0),
+ [MSTP211] = MSTP(&div4_clks[DIV4_P], MSTPCR2, 11, 0),
+ [MSTP207] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 7, CLK_ENABLE_ON_INIT),
+ [MSTP205] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 5, 0),
+ [MSTP204] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 4, 0),
+ [MSTP203] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 3, 0),
+ [MSTP202] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
+ [MSTP201] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
+ [MSTP200] = MSTP(&div4_clks[DIV4_B], MSTPCR2, 0, 0),
};
#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("rclk", &r_clk),
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("dll_clk", &dll_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+ CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("b3_clk", &div4_clks[DIV4_B3]),
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("siua_clk", &div4_clks[DIV4_SIUA]),
+ CLKDEV_CON_ID("siub_clk", &div4_clks[DIV4_SIUB]),
+
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
+
+ /* MSTP32 clocks */
+ CLKDEV_CON_ID("tlb0", &mstp_clks[MSTP031]),
+ CLKDEV_CON_ID("ic0", &mstp_clks[MSTP030]),
+ CLKDEV_CON_ID("oc0", &mstp_clks[MSTP029]),
+ CLKDEV_CON_ID("rsmem0", &mstp_clks[MSTP028]),
+ CLKDEV_CON_ID("xymem0", &mstp_clks[MSTP026]),
+ CLKDEV_CON_ID("intc3", &mstp_clks[MSTP023]),
+ CLKDEV_CON_ID("intc0", &mstp_clks[MSTP022]),
+ CLKDEV_CON_ID("dmac0", &mstp_clks[MSTP021]),
+ CLKDEV_CON_ID("sh0", &mstp_clks[MSTP020]),
+ CLKDEV_CON_ID("hudi0", &mstp_clks[MSTP019]),
+ CLKDEV_CON_ID("ubc0", &mstp_clks[MSTP017]),
+ CLKDEV_CON_ID("tmu_fck", &mstp_clks[MSTP015]),
+ CLKDEV_CON_ID("cmt_fck", &mstp_clks[MSTP014]),
+ CLKDEV_CON_ID("rwdt0", &mstp_clks[MSTP013]),
+ CLKDEV_CON_ID("mfi0", &mstp_clks[MSTP011]),
+ CLKDEV_CON_ID("flctl0", &mstp_clks[MSTP010]),
+ {
+ /* SCIF0 */
+ .dev_id = "sh-sci.0",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP007],
+ }, {
+ /* SCIF1 */
+ .dev_id = "sh-sci.1",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP006],
+ }, {
+ /* SCIF2 */
+ .dev_id = "sh-sci.2",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP005],
+ },
+ CLKDEV_CON_ID("msiof0", &mstp_clks[MSTP002]),
+ CLKDEV_CON_ID("sbr0", &mstp_clks[MSTP001]),
+ CLKDEV_CON_ID("i2c0", &mstp_clks[MSTP109]),
+ CLKDEV_CON_ID("icb0", &mstp_clks[MSTP227]),
+ CLKDEV_CON_ID("meram0", &mstp_clks[MSTP226]),
+ CLKDEV_CON_ID("dacy1", &mstp_clks[MSTP224]),
+ CLKDEV_CON_ID("dacy0", &mstp_clks[MSTP223]),
+ CLKDEV_CON_ID("tsif0", &mstp_clks[MSTP222]),
+ CLKDEV_CON_ID("sdhi0", &mstp_clks[MSTP218]),
+ CLKDEV_CON_ID("mmcif0", &mstp_clks[MSTP217]),
+ CLKDEV_CON_ID("usbf0", &mstp_clks[MSTP211]),
+ CLKDEV_CON_ID("veu1", &mstp_clks[MSTP207]),
+ CLKDEV_CON_ID("vou0", &mstp_clks[MSTP205]),
+ CLKDEV_CON_ID("beu0", &mstp_clks[MSTP204]),
+ CLKDEV_CON_ID("ceu0", &mstp_clks[MSTP203]),
+ CLKDEV_CON_ID("veu0", &mstp_clks[MSTP202]),
+ CLKDEV_CON_ID("vpu0", &mstp_clks[MSTP201]),
+ CLKDEV_CON_ID("lcdc0", &mstp_clks[MSTP200]),
};
int __init arch_clk_init(void)
@@ -221,7 +289,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, DIV6_NR);
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 2798cea..2030f3d 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -37,8 +37,6 @@
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
- .name = "rclk",
- .id = -1,
.rate = 32768,
};
@@ -47,8 +45,6 @@ static struct clk r_clk = {
* from the platform code.
*/
struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -70,8 +66,6 @@ static struct clk_ops dll_clk_ops = {
};
static struct clk dll_clk = {
- .name = "dll_clk",
- .id = -1,
.ops = &dll_clk_ops,
.parent = &r_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -95,8 +89,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -122,31 +114,31 @@ static struct clk_div4_table div4_table = {
.div_mult_table = &div4_div_mult_table,
};
-#define DIV4(_str, _reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+#define DIV4(_reg, _bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags)
enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P, DIV4_NR };
struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT),
- [DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
- [DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x1fff, 0),
+ [DIV4_I] = DIV4(FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT),
+ [DIV4_U] = DIV4(FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_B3] = DIV4(FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(FRQCR, 0, 0x1fff, 0),
};
enum { DIV4_IRDA, DIV4_ENABLE_NR };
struct clk div4_enable_clks[DIV4_ENABLE_NR] = {
- [DIV4_IRDA] = DIV4("irda_clk", IRDACLKCR, 0, 0x1fff, 0),
+ [DIV4_IRDA] = DIV4(IRDACLKCR, 0, 0x1fff, 0),
};
enum { DIV4_SIUA, DIV4_SIUB, DIV4_REPARENT_NR };
struct clk div4_reparent_clks[DIV4_REPARENT_NR] = {
- [DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x1fff, 0),
- [DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x1fff, 0),
+ [DIV4_SIUA] = DIV4(SCLKACR, 0, 0x1fff, 0),
+ [DIV4_SIUB] = DIV4(SCLKBCR, 0, 0x1fff, 0),
};
enum { DIV6_V, DIV6_NR };
@@ -186,6 +178,23 @@ static struct clk mstp_clks[HWBLK_NR] = {
#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("rclk", &r_clk),
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("dll_clk", &dll_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+ CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("b3_clk", &div4_clks[DIV4_B3]),
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("irda_clk", &div4_enable_clks[DIV4_IRDA]),
+ CLKDEV_CON_ID("siua_clk", &div4_reparent_clks[DIV4_SIUA]),
+ CLKDEV_CON_ID("siub_clk", &div4_reparent_clks[DIV4_SIUB]),
+
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index 500715f..d3938f0 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -38,8 +38,6 @@
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
- .name = "rclk",
- .id = -1,
.rate = 32768,
};
@@ -48,8 +46,6 @@ static struct clk r_clk = {
* from the platform code.
*/
struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -71,8 +67,6 @@ static struct clk_ops dll_clk_ops = {
};
static struct clk dll_clk = {
- .name = "dll_clk",
- .id = -1,
.ops = &dll_clk_ops,
.parent = &r_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -96,8 +90,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -125,29 +117,29 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P, DIV4_NR };
-#define DIV4(_str, _reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+#define DIV4(_reg, _bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x0dbf, CLK_ENABLE_ON_INIT),
- [DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x0dbf, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x0dbf, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x0dbf, CLK_ENABLE_ON_INIT),
- [DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x0db4, CLK_ENABLE_ON_INIT),
- [DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x0dbf, 0),
+ [DIV4_I] = DIV4(FRQCR, 20, 0x0dbf, CLK_ENABLE_ON_INIT),
+ [DIV4_U] = DIV4(FRQCR, 16, 0x0dbf, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(FRQCR, 12, 0x0dbf, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(FRQCR, 8, 0x0dbf, CLK_ENABLE_ON_INIT),
+ [DIV4_B3] = DIV4(FRQCR, 4, 0x0db4, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(FRQCR, 0, 0x0dbf, 0),
};
enum { DIV4_IRDA, DIV4_ENABLE_NR };
struct clk div4_enable_clks[DIV4_ENABLE_NR] = {
- [DIV4_IRDA] = DIV4("irda_clk", IRDACLKCR, 0, 0x0dbf, 0),
+ [DIV4_IRDA] = DIV4(IRDACLKCR, 0, 0x0dbf, 0),
};
enum { DIV4_SIUA, DIV4_SIUB, DIV4_REPARENT_NR };
struct clk div4_reparent_clks[DIV4_REPARENT_NR] = {
- [DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x0dbf, 0),
- [DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x0dbf, 0),
+ [DIV4_SIUA] = DIV4(SCLKACR, 0, 0x0dbf, 0),
+ [DIV4_SIUB] = DIV4(SCLKBCR, 0, 0x0dbf, 0),
};
enum { DIV6_V, DIV6_NR };
@@ -211,6 +203,23 @@ static struct clk mstp_clks[] = {
#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("rclk", &r_clk),
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("dll_clk", &dll_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+ CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("b3_clk", &div4_clks[DIV4_B3]),
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("irda_clk", &div4_enable_clks[DIV4_IRDA]),
+ CLKDEV_CON_ID("siua_clk", &div4_reparent_clks[DIV4_SIUA]),
+ CLKDEV_CON_ID("siub_clk", &div4_reparent_clks[DIV4_SIUB]),
+
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 2bbff53..2d9700c 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -41,8 +41,6 @@
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
- .name = "rclk",
- .id = -1,
.rate = 32768,
};
@@ -51,8 +49,6 @@ static struct clk r_clk = {
* from the platform code.
*/
struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -76,8 +72,6 @@ static struct clk_ops fll_clk_ops = {
};
static struct clk fll_clk = {
- .name = "fll_clk",
- .id = -1,
.ops = &fll_clk_ops,
.parent = &r_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -98,8 +92,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.flags = CLK_ENABLE_ON_INIT,
};
@@ -115,8 +107,6 @@ static struct clk_ops div3_clk_ops = {
};
static struct clk div3_clk = {
- .name = "div3_clk",
- .id = -1,
.ops = &div3_clk_ops,
.parent = &pll_clk,
};
@@ -153,15 +143,15 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_SH, DIV4_B, DIV4_P, DIV4_M1, DIV4_NR };
-#define DIV4(_str, _reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+#define DIV4(_reg, _bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4("cpu_clk", FRQCRA, 20, 0x2f7d, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", FRQCRA, 12, 0x2f7c, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", FRQCRA, 8, 0x2f7c, CLK_ENABLE_ON_INIT),
- [DIV4_P] = DIV4("peripheral_clk", FRQCRA, 0, 0x2f7c, 0),
- [DIV4_M1] = DIV4("vpu_clk", FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
+ [DIV4_I] = DIV4(FRQCRA, 20, 0x2f7d, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(FRQCRA, 12, 0x2f7c, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(FRQCRA, 8, 0x2f7c, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(FRQCRA, 0, 0x2f7c, 0),
+ [DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
};
enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR };
@@ -234,6 +224,20 @@ static struct clk mstp_clks[HWBLK_NR] = {
#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("rclk", &r_clk),
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("fll_clk", &fll_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+ CLKDEV_CON_ID("div3_clk", &div3_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("vpu_clk", &div4_clks[DIV4_M1]),
+
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
index 86aae60..0a752bd 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
@@ -87,7 +88,6 @@ static struct clk_ops sh7757_shyway_clk_ops = {
};
static struct clk sh7757_shyway_clk = {
- .name = "shyway_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh7757_shyway_clk_ops,
};
@@ -100,6 +100,13 @@ static struct clk *sh7757_onchip_clocks[] = {
&sh7757_shyway_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("shyway_clk", &sh7757_shyway_clk),
+};
+
static int __init sh7757_clk_init(void)
{
struct clk *clk = clk_get(NULL, "master_clk");
@@ -123,6 +130,8 @@ static int __init sh7757_clk_init(void)
clk_put(clk);
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
return 0;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
index 9f40116..1f1df48 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
@@ -12,6 +12,8 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>
@@ -77,7 +79,6 @@ static struct clk_ops sh7763_shyway_clk_ops = {
};
static struct clk sh7763_shyway_clk = {
- .name = "shyway_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh7763_shyway_clk_ops,
};
@@ -90,6 +91,13 @@ static struct clk *sh7763_onchip_clocks[] = {
&sh7763_shyway_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("shyway_clk", &sh7763_shyway_clk),
+};
+
int __init arch_clk_init(void)
{
struct clk *clk;
@@ -107,5 +115,7 @@ int __init arch_clk_init(void)
clk_put(clk);
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
index 150963a..62d7063 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
@@ -11,6 +11,8 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>
@@ -83,7 +85,6 @@ static struct clk_ops sh7780_shyway_clk_ops = {
};
static struct clk sh7780_shyway_clk = {
- .name = "shyway_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &sh7780_shyway_clk_ops,
};
@@ -96,6 +97,13 @@ static struct clk *sh7780_onchip_clocks[] = {
&sh7780_shyway_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("shyway_clk", &sh7780_shyway_clk),
+};
+
int __init arch_clk_init(void)
{
struct clk *clk;
@@ -113,5 +121,7 @@ int __init arch_clk_init(void)
clk_put(clk);
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
index 28de049..c3e458a 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -24,8 +24,6 @@
* from the platform code.
*/
static struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -43,8 +41,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.parent = &extal_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -70,82 +66,149 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_DDR, DIV4_GA,
DIV4_DU, DIV4_P, DIV4_NR };
-#define DIV4(_str, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, FRQMR1, _bit, _mask, _flags)
+#define DIV4(_bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, FRQMR1, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_P] = DIV4("peripheral_clk", 0, 0x0f80, 0),
- [DIV4_DU] = DIV4("du_clk", 4, 0x0ff0, 0),
- [DIV4_GA] = DIV4("ga_clk", 8, 0x0030, 0),
- [DIV4_DDR] = DIV4("ddr_clk", 12, 0x000c, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", 16, 0x0fe0, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", 20, 0x000c, CLK_ENABLE_ON_INIT),
- [DIV4_U] = DIV4("umem_clk", 24, 0x000c, CLK_ENABLE_ON_INIT),
- [DIV4_I] = DIV4("cpu_clk", 28, 0x000e, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(0, 0x0f80, 0),
+ [DIV4_DU] = DIV4(4, 0x0ff0, 0),
+ [DIV4_GA] = DIV4(8, 0x0030, 0),
+ [DIV4_DDR] = DIV4(12, 0x000c, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(16, 0x0fe0, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(20, 0x000c, CLK_ENABLE_ON_INIT),
+ [DIV4_U] = DIV4(24, 0x000c, CLK_ENABLE_ON_INIT),
+ [DIV4_I] = DIV4(28, 0x000e, CLK_ENABLE_ON_INIT),
};
#define MSTPCR0 0xffc80030
#define MSTPCR1 0xffc80034
-static struct clk mstp_clks[] = {
+enum { MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024,
+ MSTP021, MSTP020, MSTP017, MSTP016,
+ MSTP013, MSTP012, MSTP009, MSTP008, MSTP003, MSTP002,
+ MSTP119, MSTP117, MSTP105, MSTP104, MSTP100,
+ MSTP_NR };
+
+static struct clk mstp_clks[MSTP_NR] = {
/* MSTPCR0 */
- SH_CLK_MSTP32("sci_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
- SH_CLK_MSTP32("sci_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
- SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
- SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
- SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
- SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
- SH_CLK_MSTP32("ssi_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 21, 0),
- SH_CLK_MSTP32("ssi_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 20, 0),
- SH_CLK_MSTP32("hac_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 17, 0),
- SH_CLK_MSTP32("hac_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 16, 0),
- SH_CLK_MSTP32("mmcif_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 13, 0),
- SH_CLK_MSTP32("flctl_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 12, 0),
- SH_CLK_MSTP32("tmu345_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 9, 0),
- SH_CLK_MSTP32("tmu012_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 8, 0),
- SH_CLK_MSTP32("siof_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 3, 0),
- SH_CLK_MSTP32("hspi_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 2, 0),
+ [MSTP029] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 29, 0),
+ [MSTP028] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 28, 0),
+ [MSTP027] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 27, 0),
+ [MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0),
+ [MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0),
+ [MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0),
+ [MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0),
+ [MSTP020] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 20, 0),
+ [MSTP017] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 17, 0),
+ [MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0),
+ [MSTP013] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 13, 0),
+ [MSTP012] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 12, 0),
+ [MSTP009] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 9, 0),
+ [MSTP008] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 8, 0),
+ [MSTP003] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 3, 0),
+ [MSTP002] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 2, 0),
/* MSTPCR1 */
- SH_CLK_MSTP32("hudi_fck", -1, NULL, MSTPCR1, 19, 0),
- SH_CLK_MSTP32("ubc_fck", -1, NULL, MSTPCR1, 17, 0),
- SH_CLK_MSTP32("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0),
- SH_CLK_MSTP32("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0),
- SH_CLK_MSTP32("gdta_fck", -1, NULL, MSTPCR1, 0, 0),
+ [MSTP119] = SH_CLK_MSTP32(NULL, MSTPCR1, 19, 0),
+ [MSTP117] = SH_CLK_MSTP32(NULL, MSTPCR1, 17, 0),
+ [MSTP105] = SH_CLK_MSTP32(NULL, MSTPCR1, 5, 0),
+ [MSTP104] = SH_CLK_MSTP32(NULL, MSTPCR1, 4, 0),
+ [MSTP100] = SH_CLK_MSTP32(NULL, MSTPCR1, 0, 0),
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("du_clk", &div4_clks[DIV4_DU]),
+ CLKDEV_CON_ID("ga_clk", &div4_clks[DIV4_GA]),
+ CLKDEV_CON_ID("ddr_clk", &div4_clks[DIV4_DDR]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]),
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+
+ /* MSTP32 clocks */
+ {
+ /* SCIF5 */
+ .dev_id = "sh-sci.5",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP029],
+ }, {
+ /* SCIF4 */
+ .dev_id = "sh-sci.4",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP028],
+ }, {
+ /* SCIF3 */
+ .dev_id = "sh-sci.3",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP027],
+ }, {
+ /* SCIF2 */
+ .dev_id = "sh-sci.2",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP026],
+ }, {
+ /* SCIF1 */
+ .dev_id = "sh-sci.1",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP025],
+ }, {
+ /* SCIF0 */
+ .dev_id = "sh-sci.0",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP024],
+ },
+ CLKDEV_CON_ID("ssi1_fck", &mstp_clks[MSTP021]),
+ CLKDEV_CON_ID("ssi0_fck", &mstp_clks[MSTP020]),
+ CLKDEV_CON_ID("hac1_fck", &mstp_clks[MSTP017]),
+ CLKDEV_CON_ID("hac0_fck", &mstp_clks[MSTP016]),
+ CLKDEV_CON_ID("mmcif_fck", &mstp_clks[MSTP013]),
+ CLKDEV_CON_ID("flctl_fck", &mstp_clks[MSTP012]),
{
/* TMU0 */
.dev_id = "sh_tmu.0",
.con_id = "tmu_fck",
- .clk = &mstp_clks[13], /* tmu012_fck */
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU1 */
.dev_id = "sh_tmu.1",
.con_id = "tmu_fck",
- .clk = &mstp_clks[13],
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU2 */
.dev_id = "sh_tmu.2",
.con_id = "tmu_fck",
- .clk = &mstp_clks[13],
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU3 */
.dev_id = "sh_tmu.3",
.con_id = "tmu_fck",
- .clk = &mstp_clks[12], /* tmu345_fck */
+ .clk = &mstp_clks[MSTP009],
}, {
/* TMU4 */
.dev_id = "sh_tmu.4",
.con_id = "tmu_fck",
- .clk = &mstp_clks[12],
+ .clk = &mstp_clks[MSTP009],
}, {
/* TMU5 */
.dev_id = "sh_tmu.5",
.con_id = "tmu_fck",
- .clk = &mstp_clks[12],
+ .clk = &mstp_clks[MSTP009],
},
+ CLKDEV_CON_ID("siof_fck", &mstp_clks[MSTP003]),
+ CLKDEV_CON_ID("hspi_fck", &mstp_clks[MSTP002]),
+ CLKDEV_CON_ID("hudi_fck", &mstp_clks[MSTP119]),
+ CLKDEV_CON_ID("ubc_fck", &mstp_clks[MSTP117]),
+ CLKDEV_CON_ID("dmac_11_6_fck", &mstp_clks[MSTP105]),
+ CLKDEV_CON_ID("dmac_5_0_fck", &mstp_clks[MSTP104]),
+ CLKDEV_CON_ID("gdta_fck", &mstp_clks[MSTP100]),
};
int __init arch_clk_init(void)
@@ -161,7 +224,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div4_register(div4_clks, ARRAY_SIZE(div4_clks),
&div4_table);
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
index c4a84bb..105a6d4 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
@@ -23,8 +23,6 @@
* from the platform code.
*/
static struct clk extal_clk = {
- .name = "extal",
- .id = -1,
.rate = 33333333,
};
@@ -46,8 +44,6 @@ static struct clk_ops pll_clk_ops = {
};
static struct clk pll_clk = {
- .name = "pll_clk",
- .id = -1,
.ops = &pll_clk_ops,
.parent = &extal_clk,
.flags = CLK_ENABLE_ON_INIT,
@@ -72,118 +68,191 @@ static struct clk_div4_table div4_table = {
enum { DIV4_I, DIV4_SH, DIV4_B, DIV4_DDR, DIV4_DU, DIV4_P, DIV4_NR };
-#define DIV4(_str, _bit, _mask, _flags) \
- SH_CLK_DIV4(_str, &pll_clk, FRQMR1, _bit, _mask, _flags)
+#define DIV4(_bit, _mask, _flags) \
+ SH_CLK_DIV4(&pll_clk, FRQMR1, _bit, _mask, _flags)
struct clk div4_clks[DIV4_NR] = {
- [DIV4_P] = DIV4("peripheral_clk", 0, 0x0b40, 0),
- [DIV4_DU] = DIV4("du_clk", 4, 0x0010, 0),
- [DIV4_DDR] = DIV4("ddr_clk", 12, 0x0002, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4("bus_clk", 16, 0x0360, CLK_ENABLE_ON_INIT),
- [DIV4_SH] = DIV4("shyway_clk", 20, 0x0002, CLK_ENABLE_ON_INIT),
- [DIV4_I] = DIV4("cpu_clk", 28, 0x0006, CLK_ENABLE_ON_INIT),
+ [DIV4_P] = DIV4(0, 0x0b40, 0),
+ [DIV4_DU] = DIV4(4, 0x0010, 0),
+ [DIV4_DDR] = DIV4(12, 0x0002, CLK_ENABLE_ON_INIT),
+ [DIV4_B] = DIV4(16, 0x0360, CLK_ENABLE_ON_INIT),
+ [DIV4_SH] = DIV4(20, 0x0002, CLK_ENABLE_ON_INIT),
+ [DIV4_I] = DIV4(28, 0x0006, CLK_ENABLE_ON_INIT),
};
#define MSTPCR0 0xffc40030
#define MSTPCR1 0xffc40034
-static struct clk mstp_clks[] = {
+enum { MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024,
+ MSTP023, MSTP022, MSTP021, MSTP020, MSTP017, MSTP016,
+ MSTP015, MSTP014, MSTP011, MSTP010, MSTP009, MSTP008,
+ MSTP005, MSTP004, MSTP002,
+ MSTP112, MSTP110, MSTP109, MSTP108,
+ MSTP105, MSTP104, MSTP103, MSTP102,
+ MSTP_NR };
+
+static struct clk mstp_clks[MSTP_NR] = {
/* MSTPCR0 */
- SH_CLK_MSTP32("sci_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
- SH_CLK_MSTP32("sci_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
- SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
- SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
- SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
- SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
- SH_CLK_MSTP32("ssi_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 23, 0),
- SH_CLK_MSTP32("ssi_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 22, 0),
- SH_CLK_MSTP32("ssi_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 21, 0),
- SH_CLK_MSTP32("ssi_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 20, 0),
- SH_CLK_MSTP32("hac_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 17, 0),
- SH_CLK_MSTP32("hac_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 16, 0),
- SH_CLK_MSTP32("i2c_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 15, 0),
- SH_CLK_MSTP32("i2c_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 14, 0),
- SH_CLK_MSTP32("tmu9_11_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 11, 0),
- SH_CLK_MSTP32("tmu678_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- SH_CLK_MSTP32("tmu345_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 9, 0),
- SH_CLK_MSTP32("tmu012_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 8, 0),
- SH_CLK_MSTP32("sdif_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 5, 0),
- SH_CLK_MSTP32("sdif_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 4, 0),
- SH_CLK_MSTP32("hspi_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 2, 0),
+ [MSTP029] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 29, 0),
+ [MSTP028] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 28, 0),
+ [MSTP027] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 27, 0),
+ [MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0),
+ [MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0),
+ [MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0),
+ [MSTP023] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 23, 0),
+ [MSTP022] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 22, 0),
+ [MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0),
+ [MSTP020] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 20, 0),
+ [MSTP017] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 17, 0),
+ [MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0),
+ [MSTP015] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 15, 0),
+ [MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0),
+ [MSTP011] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 11, 0),
+ [MSTP010] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 10, 0),
+ [MSTP009] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 9, 0),
+ [MSTP008] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 8, 0),
+ [MSTP005] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 5, 0),
+ [MSTP004] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 4, 0),
+ [MSTP002] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 2, 0),
/* MSTPCR1 */
- SH_CLK_MSTP32("usb_fck", -1, NULL, MSTPCR1, 12, 0),
- SH_CLK_MSTP32("pcie_fck", 2, NULL, MSTPCR1, 10, 0),
- SH_CLK_MSTP32("pcie_fck", 1, NULL, MSTPCR1, 9, 0),
- SH_CLK_MSTP32("pcie_fck", 0, NULL, MSTPCR1, 8, 0),
- SH_CLK_MSTP32("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0),
- SH_CLK_MSTP32("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0),
- SH_CLK_MSTP32("du_fck", -1, NULL, MSTPCR1, 3, 0),
- SH_CLK_MSTP32("ether_fck", -1, NULL, MSTPCR1, 2, 0),
+ [MSTP112] = SH_CLK_MSTP32(NULL, MSTPCR1, 12, 0),
+ [MSTP110] = SH_CLK_MSTP32(NULL, MSTPCR1, 10, 0),
+ [MSTP109] = SH_CLK_MSTP32(NULL, MSTPCR1, 9, 0),
+ [MSTP108] = SH_CLK_MSTP32(NULL, MSTPCR1, 8, 0),
+ [MSTP105] = SH_CLK_MSTP32(NULL, MSTPCR1, 5, 0),
+ [MSTP104] = SH_CLK_MSTP32(NULL, MSTPCR1, 4, 0),
+ [MSTP103] = SH_CLK_MSTP32(NULL, MSTPCR1, 3, 0),
+ [MSTP102] = SH_CLK_MSTP32(NULL, MSTPCR1, 2, 0),
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("extal", &extal_clk),
+ CLKDEV_CON_ID("pll_clk", &pll_clk),
+
+ /* DIV4 clocks */
+ CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]),
+ CLKDEV_CON_ID("du_clk", &div4_clks[DIV4_DU]),
+ CLKDEV_CON_ID("ddr_clk", &div4_clks[DIV4_DDR]),
+ CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]),
+ CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]),
+ CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]),
+
+ /* MSTP32 clocks */
+ {
+ /* SCIF5 */
+ .dev_id = "sh-sci.5",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP029],
+ }, {
+ /* SCIF4 */
+ .dev_id = "sh-sci.4",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP028],
+ }, {
+ /* SCIF3 */
+ .dev_id = "sh-sci.3",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP027],
+ }, {
+ /* SCIF2 */
+ .dev_id = "sh-sci.2",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP026],
+ }, {
+ /* SCIF1 */
+ .dev_id = "sh-sci.1",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP025],
+ }, {
+ /* SCIF0 */
+ .dev_id = "sh-sci.0",
+ .con_id = "sci_fck",
+ .clk = &mstp_clks[MSTP024],
+ },
+ CLKDEV_CON_ID("ssi3_fck", &mstp_clks[MSTP023]),
+ CLKDEV_CON_ID("ssi2_fck", &mstp_clks[MSTP022]),
+ CLKDEV_CON_ID("ssi1_fck", &mstp_clks[MSTP021]),
+ CLKDEV_CON_ID("ssi0_fck", &mstp_clks[MSTP020]),
+ CLKDEV_CON_ID("hac1_fck", &mstp_clks[MSTP017]),
+ CLKDEV_CON_ID("hac0_fck", &mstp_clks[MSTP016]),
+ CLKDEV_CON_ID("i2c1_fck", &mstp_clks[MSTP015]),
+ CLKDEV_CON_ID("i2c0_fck", &mstp_clks[MSTP014]),
{
/* TMU0 */
.dev_id = "sh_tmu.0",
.con_id = "tmu_fck",
- .clk = &mstp_clks[17], /* tmu012_fck */
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU1 */
.dev_id = "sh_tmu.1",
.con_id = "tmu_fck",
- .clk = &mstp_clks[17],
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU2 */
.dev_id = "sh_tmu.2",
.con_id = "tmu_fck",
- .clk = &mstp_clks[17],
+ .clk = &mstp_clks[MSTP008],
}, {
/* TMU3 */
.dev_id = "sh_tmu.3",
.con_id = "tmu_fck",
- .clk = &mstp_clks[16], /* tmu345_fck */
+ .clk = &mstp_clks[MSTP009],
}, {
/* TMU4 */
.dev_id = "sh_tmu.4",
.con_id = "tmu_fck",
- .clk = &mstp_clks[16],
+ .clk = &mstp_clks[MSTP009],
}, {
/* TMU5 */
.dev_id = "sh_tmu.5",
.con_id = "tmu_fck",
- .clk = &mstp_clks[16],
+ .clk = &mstp_clks[MSTP009],
}, {
/* TMU6 */
.dev_id = "sh_tmu.6",
.con_id = "tmu_fck",
- .clk = &mstp_clks[15], /* tmu678_fck */
+ .clk = &mstp_clks[MSTP010],
}, {
/* TMU7 */
.dev_id = "sh_tmu.7",
.con_id = "tmu_fck",
- .clk = &mstp_clks[15],
+ .clk = &mstp_clks[MSTP010],
}, {
/* TMU8 */
.dev_id = "sh_tmu.8",
.con_id = "tmu_fck",
- .clk = &mstp_clks[15],
+ .clk = &mstp_clks[MSTP010],
}, {
/* TMU9 */
.dev_id = "sh_tmu.9",
.con_id = "tmu_fck",
- .clk = &mstp_clks[14], /* tmu9_11_fck */
+ .clk = &mstp_clks[MSTP011],
}, {
/* TMU10 */
.dev_id = "sh_tmu.10",
.con_id = "tmu_fck",
- .clk = &mstp_clks[14],
+ .clk = &mstp_clks[MSTP011],
}, {
/* TMU11 */
.dev_id = "sh_tmu.11",
.con_id = "tmu_fck",
- .clk = &mstp_clks[14],
- }
+ .clk = &mstp_clks[MSTP011],
+ },
+ CLKDEV_CON_ID("sdif1_fck", &mstp_clks[MSTP005]),
+ CLKDEV_CON_ID("sdif0_fck", &mstp_clks[MSTP004]),
+ CLKDEV_CON_ID("hspi_fck", &mstp_clks[MSTP002]),
+ CLKDEV_CON_ID("usb_fck", &mstp_clks[MSTP112]),
+ CLKDEV_CON_ID("pcie2_fck", &mstp_clks[MSTP110]),
+ CLKDEV_CON_ID("pcie1_fck", &mstp_clks[MSTP109]),
+ CLKDEV_CON_ID("pcie0_fck", &mstp_clks[MSTP108]),
+ CLKDEV_CON_ID("dmac_11_6_fck", &mstp_clks[MSTP105]),
+ CLKDEV_CON_ID("dmac_5_0_fck", &mstp_clks[MSTP104]),
+ CLKDEV_CON_ID("du_fck", &mstp_clks[MSTP103]),
+ CLKDEV_CON_ID("ether_fck", &mstp_clks[MSTP102]),
};
int __init arch_clk_init(void)
@@ -199,7 +268,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div4_register(div4_clks, ARRAY_SIZE(div4_clks),
&div4_table);
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/clock-shx3.c b/arch/sh/kernel/cpu/sh4a/clock-shx3.c
index e75c57b..236a628 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-shx3.c
@@ -13,9 +13,10 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
-#include <asm/io.h>
static int ifc_divisors[] = { 1, 2, 4 ,6 };
static int bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18, 24, 32, 36, 48 };
@@ -94,7 +95,6 @@ static struct clk_ops shx3_shyway_clk_ops = {
};
static struct clk shx3_shyway_clk = {
- .name = "shyway_clk",
.flags = CLK_ENABLE_ON_INIT,
.ops = &shx3_shyway_clk_ops,
};
@@ -107,6 +107,13 @@ static struct clk *shx3_onchip_clocks[] = {
&shx3_shyway_clk,
};
+#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
+
+static struct clk_lookup lookups[] = {
+ /* main clocks */
+ CLKDEV_CON_ID("shyway_clk", &shx3_shyway_clk),
+};
+
int __init arch_clk_init(void)
{
struct clk *clk;
@@ -124,5 +131,7 @@ int __init arch_clk_init(void)
clk_put(clk);
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
return ret;
}
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 4956bf1..78bb512 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -4,4 +4,6 @@
obj-$(CONFIG_SUPERHYWAY) += superhyway/
obj-$(CONFIG_MAPLE) += maple/
obj-$(CONFIG_GENERIC_GPIO) += pfc.o
+obj-$(CONFIG_SUPERH) += clk.o
+obj-$(CONFIG_SH_CLK_CPG) += clk-cpg.o
obj-y += intc.o
diff --git a/drivers/sh/clk-cpg.c b/drivers/sh/clk-cpg.c
new file mode 100644
index 0000000..f5c80ba
--- /dev/null
+++ b/drivers/sh/clk-cpg.c
@@ -0,0 +1,298 @@
+#include <linux/clk.h>
+#include <linux/compiler.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/sh_clk.h>
+
+static int sh_clk_mstp32_enable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit),
+ clk->enable_reg);
+ return 0;
+}
+
+static void sh_clk_mstp32_disable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit),
+ clk->enable_reg);
+}
+
+static struct clk_ops sh_clk_mstp32_clk_ops = {
+ .enable = sh_clk_mstp32_enable,
+ .disable = sh_clk_mstp32_disable,
+ .recalc = followparent_recalc,
+};
+
+int __init sh_clk_mstp32_register(struct clk *clks, int nr)
+{
+ struct clk *clkp;
+ int ret = 0;
+ int k;
+
+ for (k = 0; !ret && (k < nr); k++) {
+ clkp = clks + k;
+ clkp->ops = &sh_clk_mstp32_clk_ops;
+ ret |= clk_register(clkp);
+ }
+
+ return ret;
+}
+
+static long sh_clk_div_round_rate(struct clk *clk, unsigned long rate)
+{
+ return clk_rate_table_round(clk, clk->freq_table, rate);
+}
+
+static int sh_clk_div6_divisors[64] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+ 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
+ 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+ 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64
+};
+
+static struct clk_div_mult_table sh_clk_div6_table = {
+ .divisors = sh_clk_div6_divisors,
+ .nr_divisors = ARRAY_SIZE(sh_clk_div6_divisors),
+};
+
+static unsigned long sh_clk_div6_recalc(struct clk *clk)
+{
+ struct clk_div_mult_table *table = &sh_clk_div6_table;
+ unsigned int idx;
+
+ clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
+ table, NULL);
+
+ idx = __raw_readl(clk->enable_reg) & 0x003f;
+
+ return clk->freq_table[idx].frequency;
+}
+
+static int sh_clk_div6_set_rate(struct clk *clk,
+ unsigned long rate, int algo_id)
+{
+ unsigned long value;
+ int idx;
+
+ idx = clk_rate_table_find(clk, clk->freq_table, rate);
+ if (idx < 0)
+ return idx;
+
+ value = __raw_readl(clk->enable_reg);
+ value &= ~0x3f;
+ value |= idx;
+ __raw_writel(value, clk->enable_reg);
+ return 0;
+}
+
+static int sh_clk_div6_enable(struct clk *clk)
+{
+ unsigned long value;
+ int ret;
+
+ ret = sh_clk_div6_set_rate(clk, clk->rate, 0);
+ if (ret == 0) {
+ value = __raw_readl(clk->enable_reg);
+ value &= ~0x100; /* clear stop bit to enable clock */
+ __raw_writel(value, clk->enable_reg);
+ }
+ return ret;
+}
+
+static void sh_clk_div6_disable(struct clk *clk)
+{
+ unsigned long value;
+
+ value = __raw_readl(clk->enable_reg);
+ value |= 0x100; /* stop clock */
+ value |= 0x3f; /* VDIV bits must be non-zero, overwrite divider */
+ __raw_writel(value, clk->enable_reg);
+}
+
+static struct clk_ops sh_clk_div6_clk_ops = {
+ .recalc = sh_clk_div6_recalc,
+ .round_rate = sh_clk_div_round_rate,
+ .set_rate = sh_clk_div6_set_rate,
+ .enable = sh_clk_div6_enable,
+ .disable = sh_clk_div6_disable,
+};
+
+int __init sh_clk_div6_register(struct clk *clks, int nr)
+{
+ struct clk *clkp;
+ void *freq_table;
+ int nr_divs = sh_clk_div6_table.nr_divisors;
+ int freq_table_size = sizeof(struct cpufreq_frequency_table);
+ int ret = 0;
+ int k;
+
+ freq_table_size *= (nr_divs + 1);
+ freq_table = kzalloc(freq_table_size * nr, GFP_KERNEL);
+ if (!freq_table) {
+ pr_err("sh_clk_div6_register: unable to alloc memory\n");
+ return -ENOMEM;
+ }
+
+ for (k = 0; !ret && (k < nr); k++) {
+ clkp = clks + k;
+
+ clkp->ops = &sh_clk_div6_clk_ops;
+ clkp->id = -1;
+ clkp->freq_table = freq_table + (k * freq_table_size);
+ clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
+
+ ret = clk_register(clkp);
+ }
+
+ return ret;
+}
+
+static unsigned long sh_clk_div4_recalc(struct clk *clk)
+{
+ struct clk_div4_table *d4t = clk->priv;
+ struct clk_div_mult_table *table = d4t->div_mult_table;
+ unsigned int idx;
+
+ clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
+ table, &clk->arch_flags);
+
+ idx = (__raw_readl(clk->enable_reg) >> clk->enable_bit) & 0x000f;
+
+ return clk->freq_table[idx].frequency;
+}
+
+static int sh_clk_div4_set_parent(struct clk *clk, struct clk *parent)
+{
+ struct clk_div4_table *d4t = clk->priv;
+ struct clk_div_mult_table *table = d4t->div_mult_table;
+ u32 value;
+ int ret;
+
+ /* we really need a better way to determine parent index, but for
+ * now assume internal parent comes with CLK_ENABLE_ON_INIT set,
+ * no CLK_ENABLE_ON_INIT means external clock...
+ */
+
+ if (parent->flags & CLK_ENABLE_ON_INIT)
+ value = __raw_readl(clk->enable_reg) & ~(1 << 7);
+ else
+ value = __raw_readl(clk->enable_reg) | (1 << 7);
+
+ ret = clk_reparent(clk, parent);
+ if (ret < 0)
+ return ret;
+
+ __raw_writel(value, clk->enable_reg);
+
+ /* Rebiuld the frequency table */
+ clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
+ table, &clk->arch_flags);
+
+ return 0;
+}
+
+static int sh_clk_div4_set_rate(struct clk *clk, unsigned long rate, int algo_id)
+{
+ struct clk_div4_table *d4t = clk->priv;
+ unsigned long value;
+ int idx = clk_rate_table_find(clk, clk->freq_table, rate);
+ if (idx < 0)
+ return idx;
+
+ value = __raw_readl(clk->enable_reg);
+ value &= ~(0xf << clk->enable_bit);
+ value |= (idx << clk->enable_bit);
+ __raw_writel(value, clk->enable_reg);
+
+ if (d4t->kick)
+ d4t->kick(clk);
+
+ return 0;
+}
+
+static int sh_clk_div4_enable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << 8), clk->enable_reg);
+ return 0;
+}
+
+static void sh_clk_div4_disable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) | (1 << 8), clk->enable_reg);
+}
+
+static struct clk_ops sh_clk_div4_clk_ops = {
+ .recalc = sh_clk_div4_recalc,
+ .set_rate = sh_clk_div4_set_rate,
+ .round_rate = sh_clk_div_round_rate,
+};
+
+static struct clk_ops sh_clk_div4_enable_clk_ops = {
+ .recalc = sh_clk_div4_recalc,
+ .set_rate = sh_clk_div4_set_rate,
+ .round_rate = sh_clk_div_round_rate,
+ .enable = sh_clk_div4_enable,
+ .disable = sh_clk_div4_disable,
+};
+
+static struct clk_ops sh_clk_div4_reparent_clk_ops = {
+ .recalc = sh_clk_div4_recalc,
+ .set_rate = sh_clk_div4_set_rate,
+ .round_rate = sh_clk_div_round_rate,
+ .enable = sh_clk_div4_enable,
+ .disable = sh_clk_div4_disable,
+ .set_parent = sh_clk_div4_set_parent,
+};
+
+static int __init sh_clk_div4_register_ops(struct clk *clks, int nr,
+ struct clk_div4_table *table, struct clk_ops *ops)
+{
+ struct clk *clkp;
+ void *freq_table;
+ int nr_divs = table->div_mult_table->nr_divisors;
+ int freq_table_size = sizeof(struct cpufreq_frequency_table);
+ int ret = 0;
+ int k;
+
+ freq_table_size *= (nr_divs + 1);
+ freq_table = kzalloc(freq_table_size * nr, GFP_KERNEL);
+ if (!freq_table) {
+ pr_err("sh_clk_div4_register: unable to alloc memory\n");
+ return -ENOMEM;
+ }
+
+ for (k = 0; !ret && (k < nr); k++) {
+ clkp = clks + k;
+
+ clkp->ops = ops;
+ clkp->id = -1;
+ clkp->priv = table;
+
+ clkp->freq_table = freq_table + (k * freq_table_size);
+ clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
+
+ ret = clk_register(clkp);
+ }
+
+ return ret;
+}
+
+int __init sh_clk_div4_register(struct clk *clks, int nr,
+ struct clk_div4_table *table)
+{
+ return sh_clk_div4_register_ops(clks, nr, table, &sh_clk_div4_clk_ops);
+}
+
+int __init sh_clk_div4_enable_register(struct clk *clks, int nr,
+ struct clk_div4_table *table)
+{
+ return sh_clk_div4_register_ops(clks, nr, table,
+ &sh_clk_div4_enable_clk_ops);
+}
+
+int __init sh_clk_div4_reparent_register(struct clk *clks, int nr,
+ struct clk_div4_table *table)
+{
+ return sh_clk_div4_register_ops(clks, nr, table,
+ &sh_clk_div4_reparent_clk_ops);
+}
diff --git a/drivers/sh/clk.c b/drivers/sh/clk.c
new file mode 100644
index 0000000..5d84ada
--- /dev/null
+++ b/drivers/sh/clk.c
@@ -0,0 +1,545 @@
+/*
+ * drivers/sh/clk.c - SuperH clock framework
+ *
+ * Copyright (C) 2005 - 2009 Paul Mundt
+ *
+ * This clock framework is derived from the OMAP version by:
+ *
+ * Copyright (C) 2004 - 2008 Nokia Corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ *
+ * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/kobject.h>
+#include <linux/sysdev.h>
+#include <linux/seq_file.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/debugfs.h>
+#include <linux/cpufreq.h>
+#include <linux/clk.h>
+#include <linux/sh_clk.h>
+
+static LIST_HEAD(clock_list);
+static DEFINE_SPINLOCK(clock_lock);
+static DEFINE_MUTEX(clock_list_sem);
+
+void clk_rate_table_build(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ int nr_freqs,
+ struct clk_div_mult_table *src_table,
+ unsigned long *bitmap)
+{
+ unsigned long mult, div;
+ unsigned long freq;
+ int i;
+
+ for (i = 0; i < nr_freqs; i++) {
+ div = 1;
+ mult = 1;
+
+ if (src_table->divisors && i < src_table->nr_divisors)
+ div = src_table->divisors[i];
+
+ if (src_table->multipliers && i < src_table->nr_multipliers)
+ mult = src_table->multipliers[i];
+
+ if (!div || !mult || (bitmap && !test_bit(i, bitmap)))
+ freq = CPUFREQ_ENTRY_INVALID;
+ else
+ freq = clk->parent->rate * mult / div;
+
+ freq_table[i].index = i;
+ freq_table[i].frequency = freq;
+ }
+
+ /* Termination entry */
+ freq_table[i].index = i;
+ freq_table[i].frequency = CPUFREQ_TABLE_END;
+}
+
+long clk_rate_table_round(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ unsigned long rate)
+{
+ unsigned long rate_error, rate_error_prev = ~0UL;
+ unsigned long rate_best_fit = rate;
+ unsigned long highest, lowest;
+ int i;
+
+ highest = lowest = 0;
+
+ for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
+ unsigned long freq = freq_table[i].frequency;
+
+ if (freq == CPUFREQ_ENTRY_INVALID)
+ continue;
+
+ if (freq > highest)
+ highest = freq;
+ if (freq < lowest)
+ lowest = freq;
+
+ rate_error = abs(freq - rate);
+ if (rate_error < rate_error_prev) {
+ rate_best_fit = freq;
+ rate_error_prev = rate_error;
+ }
+
+ if (rate_error == 0)
+ break;
+ }
+
+ if (rate >= highest)
+ rate_best_fit = highest;
+ if (rate <= lowest)
+ rate_best_fit = lowest;
+
+ return rate_best_fit;
+}
+
+int clk_rate_table_find(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ unsigned long rate)
+{
+ int i;
+
+ for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
+ unsigned long freq = freq_table[i].frequency;
+
+ if (freq == CPUFREQ_ENTRY_INVALID)
+ continue;
+
+ if (freq == rate)
+ return i;
+ }
+
+ return -ENOENT;
+}
+
+/* Used for clocks that always have same value as the parent clock */
+unsigned long followparent_recalc(struct clk *clk)
+{
+ return clk->parent ? clk->parent->rate : 0;
+}
+
+int clk_reparent(struct clk *child, struct clk *parent)
+{
+ list_del_init(&child->sibling);
+ if (parent)
+ list_add(&child->sibling, &parent->children);
+ child->parent = parent;
+
+ /* now do the debugfs renaming to reattach the child
+ to the proper parent */
+
+ return 0;
+}
+
+/* Propagate rate to children */
+void propagate_rate(struct clk *tclk)
+{
+ struct clk *clkp;
+
+ list_for_each_entry(clkp, &tclk->children, sibling) {
+ if (clkp->ops && clkp->ops->recalc)
+ clkp->rate = clkp->ops->recalc(clkp);
+
+ propagate_rate(clkp);
+ }
+}
+
+static void __clk_disable(struct clk *clk)
+{
+ if (WARN(!clk->usecount, "Trying to disable clock %s with 0 usecount\n",
+ clk->name))
+ return;
+
+ if (!(--clk->usecount)) {
+ if (likely(clk->ops && clk->ops->disable))
+ clk->ops->disable(clk);
+ if (likely(clk->parent))
+ __clk_disable(clk->parent);
+ }
+}
+
+void clk_disable(struct clk *clk)
+{
+ unsigned long flags;
+
+ if (!clk)
+ return;
+
+ spin_lock_irqsave(&clock_lock, flags);
+ __clk_disable(clk);
+ spin_unlock_irqrestore(&clock_lock, flags);
+}
+EXPORT_SYMBOL_GPL(clk_disable);
+
+static int __clk_enable(struct clk *clk)
+{
+ int ret = 0;
+
+ if (clk->usecount++ == 0) {
+ if (clk->parent) {
+ ret = __clk_enable(clk->parent);
+ if (unlikely(ret))
+ goto err;
+ }
+
+ if (clk->ops && clk->ops->enable) {
+ ret = clk->ops->enable(clk);
+ if (ret) {
+ if (clk->parent)
+ __clk_disable(clk->parent);
+ goto err;
+ }
+ }
+ }
+
+ return ret;
+err:
+ clk->usecount--;
+ return ret;
+}
+
+int clk_enable(struct clk *clk)
+{
+ unsigned long flags;
+ int ret;
+
+ if (!clk)
+ return -EINVAL;
+
+ spin_lock_irqsave(&clock_lock, flags);
+ ret = __clk_enable(clk);
+ spin_unlock_irqrestore(&clock_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(clk_enable);
+
+static LIST_HEAD(root_clks);
+
+/**
+ * recalculate_root_clocks - recalculate and propagate all root clocks
+ *
+ * Recalculates all root clocks (clocks with no parent), which if the
+ * clock's .recalc is set correctly, should also propagate their rates.
+ * Called at init.
+ */
+void recalculate_root_clocks(void)
+{
+ struct clk *clkp;
+
+ list_for_each_entry(clkp, &root_clks, sibling) {
+ if (clkp->ops && clkp->ops->recalc)
+ clkp->rate = clkp->ops->recalc(clkp);
+ propagate_rate(clkp);
+ }
+}
+
+int clk_register(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return -EINVAL;
+
+ /*
+ * trap out already registered clocks
+ */
+ if (clk->node.next || clk->node.prev)
+ return 0;
+
+ mutex_lock(&clock_list_sem);
+
+ INIT_LIST_HEAD(&clk->children);
+ clk->usecount = 0;
+
+ if (clk->parent)
+ list_add(&clk->sibling, &clk->parent->children);
+ else
+ list_add(&clk->sibling, &root_clks);
+
+ list_add(&clk->node, &clock_list);
+ if (clk->ops && clk->ops->init)
+ clk->ops->init(clk);
+ mutex_unlock(&clock_list_sem);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(clk_register);
+
+void clk_unregister(struct clk *clk)
+{
+ mutex_lock(&clock_list_sem);
+ list_del(&clk->sibling);
+ list_del(&clk->node);
+ mutex_unlock(&clock_list_sem);
+}
+EXPORT_SYMBOL_GPL(clk_unregister);
+
+void clk_enable_init_clocks(void)
+{
+ struct clk *clkp;
+
+ list_for_each_entry(clkp, &clock_list, node)
+ if (clkp->flags & CLK_ENABLE_ON_INIT)
+ clk_enable(clkp);
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL_GPL(clk_get_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ return clk_set_rate_ex(clk, rate, 0);
+}
+EXPORT_SYMBOL_GPL(clk_set_rate);
+
+int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id)
+{
+ int ret = -EOPNOTSUPP;
+ unsigned long flags;
+
+ spin_lock_irqsave(&clock_lock, flags);
+
+ if (likely(clk->ops && clk->ops->set_rate)) {
+ ret = clk->ops->set_rate(clk, rate, algo_id);
+ if (ret != 0)
+ goto out_unlock;
+ } else {
+ clk->rate = rate;
+ ret = 0;
+ }
+
+ if (clk->ops && clk->ops->recalc)
+ clk->rate = clk->ops->recalc(clk);
+
+ propagate_rate(clk);
+
+out_unlock:
+ spin_unlock_irqrestore(&clock_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(clk_set_rate_ex);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ unsigned long flags;
+ int ret = -EINVAL;
+
+ if (!parent || !clk)
+ return ret;
+ if (clk->parent == parent)
+ return 0;
+
+ spin_lock_irqsave(&clock_lock, flags);
+ if (clk->usecount == 0) {
+ if (clk->ops->set_parent)
+ ret = clk->ops->set_parent(clk, parent);
+ else
+ ret = clk_reparent(clk, parent);
+
+ if (ret == 0) {
+ pr_debug("clock: set parent of %s to %s (new rate %ld)\n",
+ clk->name, clk->parent->name, clk->rate);
+ if (clk->ops->recalc)
+ clk->rate = clk->ops->recalc(clk);
+ propagate_rate(clk);
+ }
+ } else
+ ret = -EBUSY;
+ spin_unlock_irqrestore(&clock_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ return clk->parent;
+}
+EXPORT_SYMBOL_GPL(clk_get_parent);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (likely(clk->ops && clk->ops->round_rate)) {
+ unsigned long flags, rounded;
+
+ spin_lock_irqsave(&clock_lock, flags);
+ rounded = clk->ops->round_rate(clk, rate);
+ spin_unlock_irqrestore(&clock_lock, flags);
+
+ return rounded;
+ }
+
+ return clk_get_rate(clk);
+}
+EXPORT_SYMBOL_GPL(clk_round_rate);
+
+#ifdef CONFIG_PM
+static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state)
+{
+ static pm_message_t prev_state;
+ struct clk *clkp;
+
+ switch (state.event) {
+ case PM_EVENT_ON:
+ /* Resumeing from hibernation */
+ if (prev_state.event != PM_EVENT_FREEZE)
+ break;
+
+ list_for_each_entry(clkp, &clock_list, node) {
+ if (likely(clkp->ops)) {
+ unsigned long rate = clkp->rate;
+
+ if (likely(clkp->ops->set_parent))
+ clkp->ops->set_parent(clkp,
+ clkp->parent);
+ if (likely(clkp->ops->set_rate))
+ clkp->ops->set_rate(clkp,
+ rate, NO_CHANGE);
+ else if (likely(clkp->ops->recalc))
+ clkp->rate = clkp->ops->recalc(clkp);
+ }
+ }
+ break;
+ case PM_EVENT_FREEZE:
+ break;
+ case PM_EVENT_SUSPEND:
+ break;
+ }
+
+ prev_state = state;
+ return 0;
+}
+
+static int clks_sysdev_resume(struct sys_device *dev)
+{
+ return clks_sysdev_suspend(dev, PMSG_ON);
+}
+
+static struct sysdev_class clks_sysdev_class = {
+ .name = "clks",
+};
+
+static struct sysdev_driver clks_sysdev_driver = {
+ .suspend = clks_sysdev_suspend,
+ .resume = clks_sysdev_resume,
+};
+
+static struct sys_device clks_sysdev_dev = {
+ .cls = &clks_sysdev_class,
+};
+
+static int __init clk_sysdev_init(void)
+{
+ sysdev_class_register(&clks_sysdev_class);
+ sysdev_driver_register(&clks_sysdev_class, &clks_sysdev_driver);
+ sysdev_register(&clks_sysdev_dev);
+
+ return 0;
+}
+subsys_initcall(clk_sysdev_init);
+#endif
+
+/*
+ * debugfs support to trace clock tree hierarchy and attributes
+ */
+static struct dentry *clk_debugfs_root;
+
+static int clk_debugfs_register_one(struct clk *c)
+{
+ int err;
+ struct dentry *d, *child, *child_tmp;
+ struct clk *pa = c->parent;
+ char s[255];
+ char *p = s;
+
+ p += sprintf(p, "%s", c->name);
+ if (c->id >= 0)
+ sprintf(p, ":%d", c->id);
+ d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
+ if (!d)
+ return -ENOMEM;
+ c->dentry = d;
+
+ d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
+ if (!d) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
+ if (!d) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
+ if (!d) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ return 0;
+
+err_out:
+ d = c->dentry;
+ list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
+ debugfs_remove(child);
+ debugfs_remove(c->dentry);
+ return err;
+}
+
+static int clk_debugfs_register(struct clk *c)
+{
+ int err;
+ struct clk *pa = c->parent;
+
+ if (pa && !pa->dentry) {
+ err = clk_debugfs_register(pa);
+ if (err)
+ return err;
+ }
+
+ if (!c->dentry && c->name) {
+ err = clk_debugfs_register_one(c);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static int __init clk_debugfs_init(void)
+{
+ struct clk *c;
+ struct dentry *d;
+ int err;
+
+ d = debugfs_create_dir("clock", NULL);
+ if (!d)
+ return -ENOMEM;
+ clk_debugfs_root = d;
+
+ list_for_each_entry(c, &clock_list, node) {
+ err = clk_debugfs_register(c);
+ if (err)
+ goto err_out;
+ }
+ return 0;
+err_out:
+ debugfs_remove_recursive(clk_debugfs_root);
+ return err;
+}
+late_initcall(clk_debugfs_init);
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
new file mode 100644
index 0000000..6d7de242
--- /dev/null
+++ b/include/linux/sh_clk.h
@@ -0,0 +1,151 @@
+#ifndef __SH_CLOCK_H
+#define __SH_CLOCK_H
+
+#include <linux/list.h>
+#include <linux/seq_file.h>
+#include <linux/cpufreq.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+struct clk;
+
+struct clk_ops {
+ void (*init)(struct clk *clk);
+ int (*enable)(struct clk *clk);
+ void (*disable)(struct clk *clk);
+ unsigned long (*recalc)(struct clk *clk);
+ int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
+ int (*set_parent)(struct clk *clk, struct clk *parent);
+ long (*round_rate)(struct clk *clk, unsigned long rate);
+};
+
+struct clk {
+ struct list_head node;
+ const char *name;
+ int id;
+
+ struct clk *parent;
+ struct clk_ops *ops;
+
+ struct list_head children;
+ struct list_head sibling; /* node for children */
+
+ int usecount;
+
+ unsigned long rate;
+ unsigned long flags;
+
+ void __iomem *enable_reg;
+ unsigned int enable_bit;
+
+ unsigned long arch_flags;
+ void *priv;
+ struct dentry *dentry;
+ struct cpufreq_frequency_table *freq_table;
+};
+
+#define CLK_ENABLE_ON_INIT (1 << 0)
+
+/* arch/sh/kernel/cpu/clock.c */
+unsigned long followparent_recalc(struct clk *);
+void recalculate_root_clocks(void);
+void propagate_rate(struct clk *);
+int clk_reparent(struct clk *child, struct clk *parent);
+int clk_register(struct clk *);
+void clk_unregister(struct clk *);
+void clk_enable_init_clocks(void);
+
+/* the exported API, in addition to clk_set_rate */
+/**
+ * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
+ * @clk: clock source
+ * @rate: desired clock rate in Hz
+ * @algo_id: algorithm id to be passed down to ops->set_rate
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
+
+enum clk_sh_algo_id {
+ NO_CHANGE = 0,
+
+ IUS_N1_N1,
+ IUS_322,
+ IUS_522,
+ IUS_N11,
+
+ SB_N1,
+
+ SB3_N1,
+ SB3_32,
+ SB3_43,
+ SB3_54,
+
+ BP_N1,
+
+ IP_N1,
+};
+
+struct clk_div_mult_table {
+ unsigned int *divisors;
+ unsigned int nr_divisors;
+ unsigned int *multipliers;
+ unsigned int nr_multipliers;
+};
+
+struct cpufreq_frequency_table;
+void clk_rate_table_build(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ int nr_freqs,
+ struct clk_div_mult_table *src_table,
+ unsigned long *bitmap);
+
+long clk_rate_table_round(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ unsigned long rate);
+
+int clk_rate_table_find(struct clk *clk,
+ struct cpufreq_frequency_table *freq_table,
+ unsigned long rate);
+
+#define SH_CLK_MSTP32(_parent, _enable_reg, _enable_bit, _flags) \
+{ \
+ .parent = _parent, \
+ .enable_reg = (void __iomem *)_enable_reg, \
+ .enable_bit = _enable_bit, \
+ .flags = _flags, \
+}
+
+int sh_clk_mstp32_register(struct clk *clks, int nr);
+
+#define SH_CLK_DIV4(_parent, _reg, _shift, _div_bitmap, _flags) \
+{ \
+ .parent = _parent, \
+ .enable_reg = (void __iomem *)_reg, \
+ .enable_bit = _shift, \
+ .arch_flags = _div_bitmap, \
+ .flags = _flags, \
+}
+
+struct clk_div4_table {
+ struct clk_div_mult_table *div_mult_table;
+ void (*kick)(struct clk *clk);
+};
+
+int sh_clk_div4_register(struct clk *clks, int nr,
+ struct clk_div4_table *table);
+int sh_clk_div4_enable_register(struct clk *clks, int nr,
+ struct clk_div4_table *table);
+int sh_clk_div4_reparent_register(struct clk *clks, int nr,
+ struct clk_div4_table *table);
+
+#define SH_CLK_DIV6(_parent, _reg, _flags) \
+{ \
+ .parent = _parent, \
+ .enable_reg = (void __iomem *)_reg, \
+ .flags = _flags, \
+}
+
+int sh_clk_div6_register(struct clk *clks, int nr);
+
+#endif /* __SH_CLOCK_H */
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