diff --git a/drivers/clk/clk-fixed.c b/drivers/clk/clk-fixed.c index e5d36b4ff..3a38865fb 100644 --- a/drivers/clk/clk-fixed.c +++ b/drivers/clk/clk-fixed.c @@ -54,3 +54,26 @@ struct clk *clk_fixed(const char *name, int rate) return &fix->clk; } + +#if defined(CONFIG_OFTREE) && defined(CONFIG_COMMON_CLK_OF_PROVIDER) +/** + * of_fixed_clk_setup() - Setup function for simple fixed rate clock + */ +static int 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 -EINVAL; + + of_property_read_string(node, "clock-output-names", &clk_name); + + clk = clk_fixed(clk_name, rate); + if (IS_ERR(clk)) + return IS_ERR(clk); + return of_clk_add_provider(node, of_clk_src_simple_get, clk); +} +CLK_OF_DECLARE(fixed_clk, "fixed-clock", of_fixed_clk_setup); +#endif