diff options
Diffstat (limited to 'drivers/clk/clk-fixed-rate.c')
| -rw-r--r-- | drivers/clk/clk-fixed-rate.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index cbd246229786..f5ec0eebd4d7 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/io.h> #include <linux/err.h> +#include <linux/of.h> /* * DOC: basic fixed-rate clock that cannot gate @@ -63,7 +64,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, init.name = name; init.ops = &clk_fixed_rate_ops; - init.flags = flags; + init.flags = flags | CLK_IS_BASIC; init.parent_names = (parent_name ? &parent_name: NULL); init.num_parents = (parent_name ? 1 : 0); @@ -79,3 +80,25 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, return clk; } + +#ifdef CONFIG_OF +/** + * of_fixed_clk_setup() - Setup function for simple fixed rate clock + */ +void __init of_fixed_clk_setup(struct device_node *node) +{ + struct clk *clk; + const char *clk_name = node->name; + u32 rate; + + if (of_property_read_u32(node, "clock-frequency", &rate)) + return; + + of_property_read_string(node, "clock-output-names", &clk_name); + + clk = clk_register_fixed_rate(NULL, clk_name, NULL, CLK_IS_ROOT, rate); + if (clk) + of_clk_add_provider(node, of_clk_src_simple_get, clk); +} +EXPORT_SYMBOL_GPL(of_fixed_clk_setup); +#endif |