1 // SPDX-License-Identifier: GPL-2.0+
8 #include <clk-uclass.h>
14 static int at91_plladiv_clk_enable(struct clk *clk)  in at91_plladiv_clk_enable()  argument
19 static ulong at91_plladiv_clk_get_rate(struct clk *clk)  in at91_plladiv_clk_get_rate()  argument
21 	struct pmc_platdata *plat = dev_get_platdata(clk->dev);  in at91_plladiv_clk_get_rate()
22 	struct at91_pmc *pmc = plat->reg_base;  in at91_plladiv_clk_get_rate()
23 	struct clk source;  in at91_plladiv_clk_get_rate()  local
27 	ret = clk_get_by_index(clk->dev, 0, &source);  in at91_plladiv_clk_get_rate()
29 		return -EINVAL;  in at91_plladiv_clk_get_rate()
31 	clk_rate = clk_get_rate(&source);  in at91_plladiv_clk_get_rate()
32 	if (readl(&pmc->mckr) & AT91_PMC_MCKR_PLLADIV_2)  in at91_plladiv_clk_get_rate()
38 static ulong at91_plladiv_clk_set_rate(struct clk *clk, ulong rate)  in at91_plladiv_clk_set_rate()  argument
40 	struct pmc_platdata *plat = dev_get_platdata(clk->dev);  in at91_plladiv_clk_set_rate()
41 	struct at91_pmc *pmc = plat->reg_base;  in at91_plladiv_clk_set_rate()
42 	struct clk source;  in at91_plladiv_clk_set_rate()  local
46 	ret = clk_get_by_index(clk->dev, 0, &source);  in at91_plladiv_clk_set_rate()
48 		return -EINVAL;  in at91_plladiv_clk_set_rate()
50 	parent_rate = clk_get_rate(&source);  in at91_plladiv_clk_set_rate()
52 		return -EINVAL;  in at91_plladiv_clk_set_rate()
55 		writel((readl(&pmc->mckr) | AT91_PMC_MCKR_PLLADIV_2),  in at91_plladiv_clk_set_rate()
56 		       &pmc->mckr);  in at91_plladiv_clk_set_rate()
74 	{ .compatible = "atmel,at91sam9x5-clk-plldiv" },
79 	.name = "at91-plladiv-clk",