2 * drivers/clk/at91/pmc.h
4 * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
16 #include <linux/irqdomain.h>
17 #include <linux/spinlock.h>
24 #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
26 struct at91_pmc_caps {
31 void __iomem *regbase;
34 const struct at91_pmc_caps *caps;
35 struct irq_domain *irqdomain;
38 static inline void pmc_lock(struct at91_pmc *pmc)
40 spin_lock(&pmc->lock);
43 static inline void pmc_unlock(struct at91_pmc *pmc)
45 spin_unlock(&pmc->lock);
48 static inline u32 pmc_read(struct at91_pmc *pmc, int offset)
50 return readl(pmc->regbase + offset);
53 static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value)
55 writel(value, pmc->regbase + offset);
58 int of_at91_get_clk_range(struct device_node *np, const char *propname,
59 struct clk_range *range);
61 extern void __init of_at91rm9200_clk_main_setup(struct device_node *np,
62 struct at91_pmc *pmc);
64 extern void __init of_at91rm9200_clk_pll_setup(struct device_node *np,
65 struct at91_pmc *pmc);
66 extern void __init of_at91sam9g45_clk_pll_setup(struct device_node *np,
67 struct at91_pmc *pmc);
68 extern void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np,
69 struct at91_pmc *pmc);
70 extern void __init of_sama5d3_clk_pll_setup(struct device_node *np,
71 struct at91_pmc *pmc);
72 extern void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np,
73 struct at91_pmc *pmc);
75 extern void __init of_at91rm9200_clk_master_setup(struct device_node *np,
76 struct at91_pmc *pmc);
77 extern void __init of_at91sam9x5_clk_master_setup(struct device_node *np,
78 struct at91_pmc *pmc);