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clk: move IM-PD1 clocks to drivers/clk

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The ARM IM-PD1 add-on module has a few clock of its own, let's
move also these down to the drivers/clk/versatile driver dir
and get rid of any remaining oldschool Integrator clocks.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Linus Walleij
2012-11-20 22:39:49 +01:00
committed by Mike Turquette
parent 7a9ad671ac
commit 70ee657714
4 changed files with 103 additions and 66 deletions
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69
arch/arm/mach-integrator/impd1.c
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@@ -21,10 +21,9 @@
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/io.h>
#include <linux/platform_data/clk-integrator.h>
#include <linux/slab.h>
#include <linux/clkdev.h>
#include <asm/hardware/icst.h>
#include <mach/lm.h>
#include <mach/impd1.h>
#include <asm/sizes.h>
@@ -36,45 +35,6 @@ MODULE_PARM_DESC(lmid, "logic module stack position");
struct impd1_module {
void __iomem *base;
struct clk vcos[2];
struct clk_lookup *clks[3];
};
static const struct icst_params impd1_vco_params = {
.ref = 24000000, /* 24 MHz */
.vco_max = ICST525_VCO_MAX_3V,
.vco_min = ICST525_VCO_MIN,
.vd_min = 12,
.vd_max = 519,
.rd_min = 3,
.rd_max = 120,
.s2div = icst525_s2div,
.idx2s = icst525_idx2s,
};
static void impd1_setvco(struct clk *clk, struct icst_vco vco)
{
struct impd1_module *impd1 = clk->data;
u32 val = vco.v | (vco.r << 9) | (vco.s << 16);
writel(0xa05f, impd1->base + IMPD1_LOCK);
writel(val, clk->vcoreg);
writel(0, impd1->base + IMPD1_LOCK);
#ifdef DEBUG
vco.v = val & 0x1ff;
vco.r = (val >> 9) & 0x7f;
vco.s = (val >> 16) & 7;
pr_debug("IM-PD1: VCO%d clock is %ld Hz\n",
vconr, icst525_hz(&impd1_vco_params, vco));
#endif
}
static const struct clk_ops impd1_clk_ops = {
.round = icst_clk_round,
.set = icst_clk_set,
.setvco = impd1_setvco,
};
void impd1_tweak_control(struct device *dev, u32 mask, u32 val)
@@ -344,10 +304,6 @@ static struct impd1_device impd1_devs[] = {
}
};
static struct clk fixed_14745600 = {
.rate = 14745600,
};
static int impd1_probe(struct lm_device *dev)
{
struct impd1_module *impd1;
@@ -376,23 +332,7 @@ static int impd1_probe(struct lm_device *dev)
printk("IM-PD1 found at 0x%08lx\n",
(unsigned long)dev->resource.start);
for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) {
impd1->vcos[i].ops = &impd1_clk_ops,
impd1->vcos[i].owner = THIS_MODULE,
impd1->vcos[i].params = &impd1_vco_params,
impd1->vcos[i].data = impd1;
}
impd1->vcos[0].vcoreg = impd1->base + IMPD1_OSC1;
impd1->vcos[1].vcoreg = impd1->base + IMPD1_OSC2;
impd1->clks[0] = clkdev_alloc(&impd1->vcos[0], NULL, "lm%x:01000",
dev->id);
impd1->clks[1] = clkdev_alloc(&fixed_14745600, NULL, "lm%x:00100",
dev->id);
impd1->clks[2] = clkdev_alloc(&fixed_14745600, NULL, "lm%x:00200",
dev->id);
for (i = 0; i < ARRAY_SIZE(impd1->clks); i++)
clkdev_add(impd1->clks[i]);
integrator_impd1_clk_init(impd1->base, dev->id);
for (i = 0; i < ARRAY_SIZE(impd1_devs); i++) {
struct impd1_device *idev = impd1_devs + i;
@@ -431,12 +371,9 @@ static int impd1_remove_one(struct device *dev, void *data)
static void impd1_remove(struct lm_device *dev)
{
struct impd1_module *impd1 = lm_get_drvdata(dev);
int i;
device_for_each_child(&dev->dev, NULL, impd1_remove_one);
for (i = 0; i < ARRAY_SIZE(impd1->clks); i++)
clkdev_drop(impd1->clks[i]);
integrator_impd1_clk_exit(dev->id);
lm_set_drvdata(dev, NULL);