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clk: fixed-rate: Export driver parts for OF_PLATDATA_INST

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We need to allow SoCs to create their own drivers for this so that they
can use their own of-platdata structs. To minimise code duplication,
export the driver operations and the ofdata_to_plat() setup function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-03-15 17:25:23 +13:00
parent cc7ffd3adc
commit 4ddc91b32f
2 changed files with 15 additions and 4 deletions
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14
drivers/clk/clk_fixed_rate.c
View file

@ -25,18 +25,24 @@ const struct clk_ops clk_fixed_rate_ops = {
.enable = dummy_enable, .enable = dummy_enable,
}; };
static int clk_fixed_rate_of_to_plat(struct udevice *dev) void clk_fixed_rate_ofdata_to_plat_(struct udevice *dev,
struct clk_fixed_rate *plat)
{ {
struct clk *clk = &to_clk_fixed_rate(dev)->clk; struct clk *clk = &plat->clk;
#if !CONFIG_IS_ENABLED(OF_PLATDATA) #if !CONFIG_IS_ENABLED(OF_PLATDATA)
to_clk_fixed_rate(dev)->fixed_rate = plat->fixed_rate = dev_read_u32_default(dev, "clock-frequency", 0);
dev_read_u32_default(dev, "clock-frequency", 0);
#endif #endif
/* Make fixed rate clock accessible from higher level struct clk */ /* Make fixed rate clock accessible from higher level struct clk */
/* FIXME: This is not allowed */ /* FIXME: This is not allowed */
dev_set_uclass_priv(dev, clk); dev_set_uclass_priv(dev, clk);
clk->dev = dev; clk->dev = dev;
clk->enable_count = 0; clk->enable_count = 0;
}
static int clk_fixed_rate_of_to_plat(struct udevice *dev)
{
clk_fixed_rate_ofdata_to_plat_(dev, to_clk_fixed_rate(dev));
return 0; return 0;
} }

5
include/linux/clk-provider.h
View file

@ -192,6 +192,8 @@ struct clk_fixed_factor {
unsigned int div; unsigned int div;
}; };
extern const struct clk_ops clk_fixed_rate_ops;
#define to_clk_fixed_factor(_clk) container_of(_clk, struct clk_fixed_factor,\ #define to_clk_fixed_factor(_clk) container_of(_clk, struct clk_fixed_factor,\
clk) clk)
@ -202,6 +204,9 @@ struct clk_fixed_rate {
#define to_clk_fixed_rate(dev) ((struct clk_fixed_rate *)dev_get_plat(dev)) #define to_clk_fixed_rate(dev) ((struct clk_fixed_rate *)dev_get_plat(dev))
void clk_fixed_rate_ofdata_to_plat_(struct udevice *dev,
struct clk_fixed_rate *plat);
struct clk_composite { struct clk_composite {
struct clk clk; struct clk clk;
struct clk_ops ops; struct clk_ops ops;