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
);
80 extern void __init
of_at91rm9200_clk_sys_setup(struct device_node
*np
,
81 struct at91_pmc
*pmc
);
83 extern void __init
of_at91rm9200_clk_periph_setup(struct device_node
*np
,
84 struct at91_pmc
*pmc
);
85 extern void __init
of_at91sam9x5_clk_periph_setup(struct device_node
*np
,
86 struct at91_pmc
*pmc
);
88 #if defined(CONFIG_AT91_PROGRAMMABLE_CLOCKS)
89 extern void __init
of_at91rm9200_clk_prog_setup(struct device_node
*np
,
90 struct at91_pmc
*pmc
);
91 extern void __init
of_at91sam9g45_clk_prog_setup(struct device_node
*np
,
92 struct at91_pmc
*pmc
);
93 extern void __init
of_at91sam9x5_clk_prog_setup(struct device_node
*np
,
94 struct at91_pmc
*pmc
);
97 #if defined(CONFIG_HAVE_AT91_UTMI)
98 extern void __init
of_at91sam9x5_clk_utmi_setup(struct device_node
*np
,
99 struct at91_pmc
*pmc
);
102 #if defined(CONFIG_HAVE_AT91_USB_CLK)
103 extern void __init
of_at91rm9200_clk_usb_setup(struct device_node
*np
,
104 struct at91_pmc
*pmc
);
105 extern void __init
of_at91sam9x5_clk_usb_setup(struct device_node
*np
,
106 struct at91_pmc
*pmc
);
107 extern void __init
of_at91sam9n12_clk_usb_setup(struct device_node
*np
,
108 struct at91_pmc
*pmc
);
111 #if defined(CONFIG_HAVE_AT91_SMD)
112 extern void __init
of_at91sam9x5_clk_smd_setup(struct device_node
*np
,
113 struct at91_pmc
*pmc
);
116 #endif /* __PMC_H_ */
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