Commit 70d839e2 authored by Elaine Zhang's avatar Elaine Zhang Committed by Heiko Stuebner
Browse files

clk: rockchip: rk3399: Support module build



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: default avatarElaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: default avatarKever Yang <kever.yang@rock-chips.com>
Reviewed-by: default avatarStephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022316.24045-1-zhangqing@rock-chips.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 4d98ed1e
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+1 −1
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ config CLK_RK3368
	  Build the driver for RK3368 Clock Driver.

config CLK_RK3399
	bool "Rockchip RK3399 clock controller support"
	tristate "Rockchip RK3399 clock controller support"
	default y
	help
	  Build the driver for RK3399 Clock Driver.
+56 −0
Original line number Diff line number Diff line
@@ -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 +1602,57 @@ 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,
		.suppress_bind_attrs = true,
	},
};
builtin_platform_driver_probe(clk_rk3399_driver, clk_rk3399_probe);

MODULE_DESCRIPTION("Rockchip RK3399 Clock Driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:clk-rk3399");