mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-28 07:30:26 +09:00
clk: sandbox: Create a special fixed-rate driver
Create a version of this driver for sandbox so that it can use the of-platdata struct. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
parent
4ddc91b32f
commit
8813986dfd
@ -31,7 +31,7 @@
|
|||||||
|
|
||||||
clk_fixed: clk-fixed {
|
clk_fixed: clk-fixed {
|
||||||
u-boot,dm-pre-reloc;
|
u-boot,dm-pre-reloc;
|
||||||
compatible = "fixed-clock";
|
compatible = "sandbox,fixed-clock";
|
||||||
#clock-cells = <0>;
|
#clock-cells = <0>;
|
||||||
clock-frequency = <1234>;
|
clock-frequency = <1234>;
|
||||||
};
|
};
|
||||||
|
@ -61,6 +61,14 @@ struct sandbox_clk_test {
|
|||||||
struct clk_bulk bulk;
|
struct clk_bulk bulk;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/* Platform data for the sandbox fixed-rate clock driver */
|
||||||
|
struct sandbox_clk_fixed_rate_plat {
|
||||||
|
#if CONFIG_IS_ENABLED(OF_PLATDATA)
|
||||||
|
struct dtd_sandbox_fixed_clock dtplat;
|
||||||
|
#endif
|
||||||
|
struct clk_fixed_rate fixed;
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* sandbox_clk_query_rate - Query the current rate of a sandbox clock.
|
* sandbox_clk_query_rate - Query the current rate of a sandbox clock.
|
||||||
*
|
*
|
||||||
|
@ -9,6 +9,7 @@
|
|||||||
#include <errno.h>
|
#include <errno.h>
|
||||||
#include <malloc.h>
|
#include <malloc.h>
|
||||||
#include <asm/clk.h>
|
#include <asm/clk.h>
|
||||||
|
#include <linux/clk-provider.h>
|
||||||
|
|
||||||
static ulong sandbox_clk_get_rate(struct clk *clk)
|
static ulong sandbox_clk_get_rate(struct clk *clk)
|
||||||
{
|
{
|
||||||
@ -171,3 +172,35 @@ int sandbox_clk_query_requested(struct udevice *dev, int id)
|
|||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
return priv->requested[id];
|
return priv->requested[id];
|
||||||
}
|
}
|
||||||
|
|
||||||
|
int clk_fixed_rate_of_to_plat(struct udevice *dev)
|
||||||
|
{
|
||||||
|
struct clk_fixed_rate *cplat;
|
||||||
|
|
||||||
|
#if CONFIG_IS_ENABLED(OF_PLATDATA)
|
||||||
|
struct sandbox_clk_fixed_rate_plat *plat = dev_get_plat(dev);
|
||||||
|
|
||||||
|
cplat = &plat->fixed;
|
||||||
|
cplat->fixed_rate = plat->dtplat.clock_frequency;
|
||||||
|
#else
|
||||||
|
cplat = to_clk_fixed_rate(dev);
|
||||||
|
#endif
|
||||||
|
clk_fixed_rate_ofdata_to_plat_(dev, cplat);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct udevice_id sandbox_clk_fixed_rate_match[] = {
|
||||||
|
{ .compatible = "sandbox,fixed-clock" },
|
||||||
|
{ /* sentinel */ }
|
||||||
|
};
|
||||||
|
|
||||||
|
U_BOOT_DRIVER(sandbox_fixed_clock) = {
|
||||||
|
.name = "sandbox_fixed_clock",
|
||||||
|
.id = UCLASS_CLK,
|
||||||
|
.of_match = sandbox_clk_fixed_rate_match,
|
||||||
|
.of_to_plat = clk_fixed_rate_of_to_plat,
|
||||||
|
.plat_auto = sizeof(struct sandbox_clk_fixed_rate_plat),
|
||||||
|
.ops = &clk_fixed_rate_ops,
|
||||||
|
.flags = DM_FLAG_PRE_RELOC,
|
||||||
|
};
|
||||||
|
@ -185,7 +185,7 @@ static int dm_test_of_plat_phandle(struct unit_test_state *uts)
|
|||||||
plat = dev_get_plat(dev);
|
plat = dev_get_plat(dev);
|
||||||
|
|
||||||
ut_assertok(device_get_by_driver_info_idx(plat->clocks[0].idx, &clk));
|
ut_assertok(device_get_by_driver_info_idx(plat->clocks[0].idx, &clk));
|
||||||
ut_asserteq_str("fixed_clock", clk->name);
|
ut_asserteq_str("sandbox_fixed_clock", clk->name);
|
||||||
|
|
||||||
ut_assertok(device_get_by_driver_info_idx(plat->clocks[1].idx, &clk));
|
ut_assertok(device_get_by_driver_info_idx(plat->clocks[1].idx, &clk));
|
||||||
ut_asserteq_str("sandbox_clk", clk->name);
|
ut_asserteq_str("sandbox_clk", clk->name);
|
||||||
|
Loading…
Reference in New Issue
Block a user