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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: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022316.24045-1-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Elaine Zhang 2020-09-14 10:23:16 +08:00 committed by Heiko Stuebner
parent 4d98ed1e12
commit 70d839e276
2 changed files with 57 additions and 1 deletions
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2
drivers/clk/rockchip/Kconfig
View File

@ -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
drivers/clk/rockchip/clk-rk3399.c
View File

@ -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");