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clk: rockchip: px30: support driver build as tristate module

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Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Change-Id: Ibe09ff07f2c0182cea03e41b56afedcd94e88a44
This commit is contained in:
Elaine Zhang
2020-07-21 10:31:24 +08:00
committed by Tao Huang
parent b218253046
commit 02e6224599
2 changed files with 55 additions and 1 deletions
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2
drivers/clk/rockchip/Kconfig
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@@ -10,7 +10,7 @@ config COMMON_CLK_ROCKCHIP
if COMMON_CLK_ROCKCHIP
config CLK_PX30
bool "Rockchip PX30 clock controller support"
tristate "Rockchip PX30 clock controller support"
depends on ARM64 || COMPILE_TEST
default y
help

54
drivers/clk/rockchip/clk-px30.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/px30-cru.h>
#include "clk.h"
@@ -1077,3 +1079,55 @@ static void __init px30_pmu_clk_init(struct device_node *np)
rockchip_clk_of_add_provider(np, ctx);
}
CLK_OF_DECLARE(px30_cru_pmu, "rockchip,px30-pmucru", px30_pmu_clk_init);
struct clk_px30_inits {
void (*inits)(struct device_node *np);
};
static const struct clk_px30_inits clk_px30_init = {
.inits = px30_clk_init,
};
static const struct clk_px30_inits clk_px30_pmu_init = {
.inits = px30_pmu_clk_init,
};
static const struct of_device_id clk_px30_match_table[] = {
{
.compatible = "rockchip,px30-cru",
.data = &clk_px30_init,
}, {
.compatible = "rockchip,px30-pmucru",
.data = &clk_px30_pmu_init,
},
{ }
};
MODULE_DEVICE_TABLE(of, clk_px30_match_table);
static int __init clk_px30_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *match;
const struct clk_px30_inits *init_data;
match = of_match_device(clk_px30_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_px30_driver = {
.driver = {
.name = "clk-px30",
.of_match_table = clk_px30_match_table,
},
};
builtin_platform_driver_probe(clk_px30_driver, clk_px30_probe);
MODULE_DESCRIPTION("Rockchip PX30 Clock Driver");
MODULE_LICENSE("GPL");