clk: add common of_clk_init() function
Modify of_clk_init function so that it will determine which
driver to initialize based on device tree instead of each driver
registering to it.
Based on a similar patch for drivers/irqchip by Thomas Petazzoni and
drivers/clocksource by Stephen Warren.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Tested-by: Tony Prisk <linux@prisktech.co.nz>
Tested-by: Pawel Moll <pawel.moll@arm.com>
Tested-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Josh Cartwright <josh.cartwright@ni.com>
Reviewed-by: Josh Cartwright <josh.cartwright@ni.com>
Acked-by: Maxime Ripard <maxime.ripard@anandra.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: merge conflict from missing CLKSRC_OF_TABLES()]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 4989b8a..7f197d7 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -379,7 +379,13 @@
};
struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
const char *of_clk_get_parent_name(struct device_node *np, int index);
+
void of_clk_init(const struct of_device_id *matches);
+#define CLK_OF_DECLARE(name, compat, fn) \
+ static const struct of_device_id __clk_of_table_##name \
+ __used __section(__clk_of_table) \
+ = { .compatible = compat, .data = fn };
+
#endif /* CONFIG_COMMON_CLK */
#endif /* CLK_PROVIDER_H */