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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>
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2 changed files with 57 additions and 1 deletions
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@ -71,7 +71,7 @@ config CLK_RK3368
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Build the driver for RK3368 Clock Driver.
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config CLK_RK3399
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bool "Rockchip RK3399 clock controller support"
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tristate "Rockchip RK3399 clock controller support"
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default y
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help
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Build the driver for RK3399 Clock Driver.
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@ -5,9 +5,11 @@
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*/
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <dt-bindings/clock/rk3399-cru.h>
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@ -1600,3 +1602,57 @@ static void __init rk3399_pmu_clk_init(struct device_node *np)
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rockchip_clk_of_add_provider(np, ctx);
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}
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CLK_OF_DECLARE(rk3399_cru_pmu, "rockchip,rk3399-pmucru", rk3399_pmu_clk_init);
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struct clk_rk3399_inits {
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void (*inits)(struct device_node *np);
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};
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static const struct clk_rk3399_inits clk_rk3399_pmucru_init = {
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.inits = rk3399_pmu_clk_init,
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};
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static const struct clk_rk3399_inits clk_rk3399_cru_init = {
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.inits = rk3399_clk_init,
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};
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static const struct of_device_id clk_rk3399_match_table[] = {
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{
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.compatible = "rockchip,rk3399-cru",
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.data = &clk_rk3399_cru_init,
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}, {
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.compatible = "rockchip,rk3399-pmucru",
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.data = &clk_rk3399_pmucru_init,
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, clk_rk3399_match_table);
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static int __init clk_rk3399_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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const struct of_device_id *match;
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const struct clk_rk3399_inits *init_data;
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match = of_match_device(clk_rk3399_match_table, &pdev->dev);
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if (!match || !match->data)
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return -EINVAL;
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init_data = match->data;
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if (init_data->inits)
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init_data->inits(np);
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return 0;
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}
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static struct platform_driver clk_rk3399_driver = {
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.driver = {
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.name = "clk-rk3399",
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.of_match_table = clk_rk3399_match_table,
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.suppress_bind_attrs = true,
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},
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};
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builtin_platform_driver_probe(clk_rk3399_driver, clk_rk3399_probe);
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MODULE_DESCRIPTION("Rockchip RK3399 Clock Driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:clk-rk3399");
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