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gerrit-public.fairphone.software / kernel / msm-4.19 / 27cb1c2083373a44130d50d4d2fb64cf7eff2d90 / . / drivers / clk / at91 / pmc.h
blob: 42cc7cc5e1d3aa1cc9a28979b69794c35bd8195e [file] [log] [blame]
Boris BREZILLON0ad61252013-12-02 15:07:02 +0100[diff] [blame]1/*
2 * drivers/clk/at91/pmc.h
3 *
4 * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
5 *
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.
10 */
11
12#ifndef __PMC_H_
13#define __PMC_H_
14
15#include <linux/io.h>
16#include <linux/irqdomain.h>
17#include <linux/spinlock.h>
18
19struct clk_range {
20 unsigned long min;
21 unsigned long max;
22};
23
24#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
25
26struct at91_pmc_caps {
27 u32 available_irqs;
28};
29
30struct at91_pmc {
31 void __iomem *regbase;
32 int virq;
33 spinlock_t lock;
34 const struct at91_pmc_caps *caps;
35 struct irq_domain *irqdomain;
36};
37
38static inline void pmc_lock(struct at91_pmc *pmc)
39{
40 spin_lock(&pmc->lock);
41}
42
43static inline void pmc_unlock(struct at91_pmc *pmc)
44{
45 spin_unlock(&pmc->lock);
46}
47
48static inline u32 pmc_read(struct at91_pmc *pmc, int offset)
49{
50 return readl(pmc->regbase + offset);
51}
52
53static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value)
54{
55 writel(value, pmc->regbase + offset);
56}
57
58int of_at91_get_clk_range(struct device_node *np, const char *propname,
59 struct clk_range *range);
60
Boris BREZILLON27cb1c22014-05-07 18:00:08 +0200[diff] [blame^]61extern void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np,
62 struct at91_pmc *pmc);
63extern void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np,
64 struct at91_pmc *pmc);
Boris BREZILLON38d34c32013-10-11 10:44:49 +0200[diff] [blame]65extern void __init of_at91rm9200_clk_main_setup(struct device_node *np,
66 struct at91_pmc *pmc);
Boris BREZILLON27cb1c22014-05-07 18:00:08 +0200[diff] [blame^]67extern void __init of_at91sam9x5_clk_main_setup(struct device_node *np,
68 struct at91_pmc *pmc);
Boris BREZILLON38d34c32013-10-11 10:44:49 +0200[diff] [blame]69
Boris BREZILLON1a748d22013-10-11 10:48:26 +0200[diff] [blame]70extern void __init of_at91rm9200_clk_pll_setup(struct device_node *np,
71 struct at91_pmc *pmc);
72extern void __init of_at91sam9g45_clk_pll_setup(struct device_node *np,
73 struct at91_pmc *pmc);
74extern void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np,
75 struct at91_pmc *pmc);
76extern void __init of_sama5d3_clk_pll_setup(struct device_node *np,
77 struct at91_pmc *pmc);
78extern void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np,
79 struct at91_pmc *pmc);
80
Boris BREZILLONe442d232013-10-11 10:51:23 +0200[diff] [blame]81extern void __init of_at91rm9200_clk_master_setup(struct device_node *np,
82 struct at91_pmc *pmc);
83extern void __init of_at91sam9x5_clk_master_setup(struct device_node *np,
84 struct at91_pmc *pmc);
85
Boris BREZILLON5fba62e2013-10-11 11:41:41 +0200[diff] [blame]86extern void __init of_at91rm9200_clk_sys_setup(struct device_node *np,
87 struct at91_pmc *pmc);
88
Boris BREZILLON61140672013-10-11 11:44:36 +0200[diff] [blame]89extern void __init of_at91rm9200_clk_periph_setup(struct device_node *np,
90 struct at91_pmc *pmc);
91extern void __init of_at91sam9x5_clk_periph_setup(struct device_node *np,
92 struct at91_pmc *pmc);
93
Boris BREZILLON1f22f8b2013-10-11 11:57:04 +0200[diff] [blame]94extern void __init of_at91rm9200_clk_prog_setup(struct device_node *np,
95 struct at91_pmc *pmc);
96extern void __init of_at91sam9g45_clk_prog_setup(struct device_node *np,
97 struct at91_pmc *pmc);
98extern void __init of_at91sam9x5_clk_prog_setup(struct device_node *np,
99 struct at91_pmc *pmc);
Boris BREZILLON1f22f8b2013-10-11 11:57:04 +0200[diff] [blame]100
Boris BREZILLONf090fb32013-10-11 12:22:06 +0200[diff] [blame]101#if defined(CONFIG_HAVE_AT91_UTMI)
102extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np,
103 struct at91_pmc *pmc);
104#endif
105
Boris BREZILLONc84a61d2013-10-17 18:55:41 +0200[diff] [blame]106#if defined(CONFIG_HAVE_AT91_USB_CLK)
107extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np,
108 struct at91_pmc *pmc);
109extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
110 struct at91_pmc *pmc);
111extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np,
112 struct at91_pmc *pmc);
113#endif
114
Boris BREZILLONa9c06882013-10-11 13:27:06 +0200[diff] [blame]115#if defined(CONFIG_HAVE_AT91_SMD)
116extern void __init of_at91sam9x5_clk_smd_setup(struct device_node *np,
117 struct at91_pmc *pmc);
118#endif
119
Boris BREZILLON0ad61252013-12-02 15:07:02 +0100[diff] [blame]120#endif /* __PMC_H_ */