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clk: rockchip: rk3288: support driver build as tristate module

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Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Change-Id: If93da1b970a5932b7ed64a857ec3e178bf6ae755
This commit is contained in:
Elaine Zhang
2020-07-16 17:39:53 +08:00
committed by Tao Huang
parent 312cde491e
commit 6c8702e6ff
2 changed files with 55 additions and 1 deletions
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2
drivers/clk/rockchip/Kconfig
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@@ -59,7 +59,7 @@ config CLK_RK322X
Build the driver for RK322x Clock Driver.
config CLK_RK3288
bool "Rockchip RK3288 clock controller support"
tristate "Rockchip RK3288 clock controller support"
depends on ARM || COMPILE_TEST
default y
help

54
drivers/clk/rockchip/clk-rk3288.c
View File

@@ -6,8 +6,10 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/syscore_ops.h>
#include <dt-bindings/clock/rk3288-cru.h>
#include "clk.h"
@@ -1012,3 +1014,55 @@ static void __init rk3288w_clk_init(struct device_node *np)
rk3288_common_init(np, RK3288W_CRU);
}
CLK_OF_DECLARE(rk3288w_cru, "rockchip,rk3288w-cru", rk3288w_clk_init);
struct clk_rk3288_inits {
void (*inits)(struct device_node *np);
};
static const struct clk_rk3288_inits clk_rk3288_init = {
.inits = rk3288_clk_init,
};
static const struct clk_rk3288_inits clk_rk3288w_init = {
.inits = rk3288w_clk_init,
};
static const struct of_device_id clk_rk3288_match_table[] = {
{
.compatible = "rockchip,rk3288-cru",
.data = &clk_rk3288_init,
}, {
.compatible = "rockchip,rk3288w-cru",
.data = &clk_rk3288w_init,
},
{ }
};
MODULE_DEVICE_TABLE(of, clk_rk3288_match_table);
static int __init clk_rk3288_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *match;
const struct clk_rk3288_inits *init_data;
match = of_match_device(clk_rk3288_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_rk3288_driver = {
.driver = {
.name = "clk-rk3288",
.of_match_table = clk_rk3288_match_table,
},
};
builtin_platform_driver_probe(clk_rk3288_driver, clk_rk3288_probe);
MODULE_DESCRIPTION("Rockchip RK3288 Clock Driver");
MODULE_LICENSE("GPL");