diff options
Diffstat (limited to 'drivers/clk/clk_fixed_rate.c')
| -rw-r--r-- | drivers/clk/clk_fixed_rate.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c index 09f9ef26a4..325a9b2dcf 100644 --- a/drivers/clk/clk_fixed_rate.c +++ b/drivers/clk/clk_fixed_rate.c @@ -9,6 +9,9 @@ #include <dm/device-internal.h> #include <linux/clk-provider.h> +#define UBOOT_DM_CLK_FIXED_RATE "fixed_rate_clock" +#define UBOOT_DM_CLK_FIXED_RATE_RAW "fixed_rate_raw_clock" + static ulong clk_fixed_rate_get_rate(struct clk *clk) { return to_clk_fixed_rate(clk->dev)->fixed_rate; @@ -40,6 +43,15 @@ void clk_fixed_rate_ofdata_to_plat_(struct udevice *dev, clk->enable_count = 0; } +static ulong clk_fixed_rate_raw_get_rate(struct clk *clk) +{ + return container_of(clk, struct clk_fixed_rate, clk)->fixed_rate; +} + +const struct clk_ops clk_fixed_rate_raw_ops = { + .get_rate = clk_fixed_rate_raw_get_rate, +}; + static int clk_fixed_rate_of_to_plat(struct udevice *dev) { clk_fixed_rate_ofdata_to_plat_(dev, to_clk_fixed_rate(dev)); @@ -47,6 +59,32 @@ static int clk_fixed_rate_of_to_plat(struct udevice *dev) return 0; } +#if CONFIG_IS_ENABLED(CLK_CCF) +struct clk *clk_register_fixed_rate(struct device *dev, const char *name, + ulong rate) +{ + struct clk *clk; + struct clk_fixed_rate *fixed; + int ret; + + fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); + if (!fixed) + return ERR_PTR(-ENOMEM); + + fixed->fixed_rate = rate; + + clk = &fixed->clk; + + ret = clk_register(clk, UBOOT_DM_CLK_FIXED_RATE_RAW, name, NULL); + if (ret) { + kfree(fixed); + return ERR_PTR(ret); + } + + return clk; +} +#endif + static const struct udevice_id clk_fixed_rate_match[] = { { .compatible = "fixed-clock", @@ -63,3 +101,10 @@ U_BOOT_DRIVER(fixed_clock) = { .ops = &clk_fixed_rate_ops, .flags = DM_FLAG_PRE_RELOC, }; + +U_BOOT_DRIVER(clk_fixed_rate_raw) = { + .name = UBOOT_DM_CLK_FIXED_RATE_RAW, + .id = UCLASS_CLK, + .ops = &clk_fixed_rate_raw_ops, + .flags = DM_FLAG_PRE_RELOC, +}; |