support CLK_OF_DECLARE and builtin_platform_driver_probe
double clk init method.
add module author, description and license to support building
Soc Rk3399 clock driver as module.

Signed-off-by: Elaine Zhang <zhangq...@rock-chips.com>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>
---
 drivers/clk/rockchip/clk-rk3399.c | 55 +++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/drivers/clk/rockchip/clk-rk3399.c 
b/drivers/clk/rockchip/clk-rk3399.c
index ce1d2446f142..40ff17aee5b6 100644
--- a/drivers/clk/rockchip/clk-rk3399.c
+++ b/drivers/clk/rockchip/clk-rk3399.c
@@ -5,9 +5,11 @@
  */
 
 #include <linux/clk-provider.h>
+#include <linux/module.h>
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <dt-bindings/clock/rk3399-cru.h>
@@ -1600,3 +1602,56 @@ static void __init rk3399_pmu_clk_init(struct 
device_node *np)
        rockchip_clk_of_add_provider(np, ctx);
 }
 CLK_OF_DECLARE(rk3399_cru_pmu, "rockchip,rk3399-pmucru", rk3399_pmu_clk_init);
+
+struct clk_rk3399_inits {
+               void (*inits)(struct device_node *np);
+};
+
+static const struct clk_rk3399_inits clk_rk3399_pmucru_init = {
+       .inits = rk3399_pmu_clk_init,
+};
+
+static const struct clk_rk3399_inits clk_rk3399_cru_init = {
+       .inits = rk3399_clk_init,
+};
+
+static const struct of_device_id clk_rk3399_match_table[] = {
+       {
+               .compatible = "rockchip,rk3399-cru",
+               .data = &clk_rk3399_cru_init,
+       },  {
+               .compatible = "rockchip,rk3399-pmucru",
+               .data = &clk_rk3399_pmucru_init,
+       },
+       { }
+};
+MODULE_DEVICE_TABLE(of, clk_rk3399_match_table);
+
+static int __init clk_rk3399_probe(struct platform_device *pdev)
+{
+       struct device_node *np = pdev->dev.of_node;
+       const struct of_device_id *match;
+       const struct clk_rk3399_inits *init_data;
+
+       match = of_match_device(clk_rk3399_match_table, &pdev->dev);
+       if (!match || !match->data)
+               return -EINVAL;
+
+       init_data = match->data;
+       if (init_data->inits)
+               init_data->inits(np);
+
+       return 0;
+}
+
+static struct platform_driver clk_rk3399_driver = {
+       .driver         = {
+               .name   = "clk-rk3399",
+               .of_match_table = clk_rk3399_match_table,
+       },
+};
+builtin_platform_driver_probe(clk_rk3399_driver, clk_rk3399_probe);
+
+MODULE_DESCRIPTION("Rockchip RK3399 Clock Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:clk-rk3399");
-- 
2.17.1



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