Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-5.4 / bcc5fd49a0fda5abc22057f65b318788ccb5d2ad / . / drivers / clk / at91 / pmc.h
blob: 52d2041fa3f6354a4abfdc8f45ee147a75a370ef [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 BREZILLON80eded62014-05-07 18:02:15 +0200[diff] [blame]61extern void __init of_at91sam9260_clk_slow_setup(struct device_node *np,
62 struct at91_pmc *pmc);
63
Boris BREZILLON27cb1c22014-05-07 18:00:08 +0200[diff] [blame]64extern void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np,
65 struct at91_pmc *pmc);
66extern void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np,
67 struct at91_pmc *pmc);
Boris BREZILLON38d34c32013-10-11 10:44:49 +0200[diff] [blame]68extern void __init of_at91rm9200_clk_main_setup(struct device_node *np,
69 struct at91_pmc *pmc);
Boris BREZILLON27cb1c22014-05-07 18:00:08 +0200[diff] [blame]70extern void __init of_at91sam9x5_clk_main_setup(struct device_node *np,
71 struct at91_pmc *pmc);
Boris BREZILLON38d34c32013-10-11 10:44:49 +0200[diff] [blame]72
Boris BREZILLON1a748d22013-10-11 10:48:26 +0200[diff] [blame]73extern void __init of_at91rm9200_clk_pll_setup(struct device_node *np,
74 struct at91_pmc *pmc);
75extern void __init of_at91sam9g45_clk_pll_setup(struct device_node *np,
76 struct at91_pmc *pmc);
77extern void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np,
78 struct at91_pmc *pmc);
79extern void __init of_sama5d3_clk_pll_setup(struct device_node *np,
80 struct at91_pmc *pmc);
81extern void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np,
82 struct at91_pmc *pmc);
83
Boris BREZILLONe442d232013-10-11 10:51:23 +0200[diff] [blame]84extern void __init of_at91rm9200_clk_master_setup(struct device_node *np,
85 struct at91_pmc *pmc);
86extern void __init of_at91sam9x5_clk_master_setup(struct device_node *np,
87 struct at91_pmc *pmc);
88
Boris BREZILLON5fba62e2013-10-11 11:41:41 +0200[diff] [blame]89extern void __init of_at91rm9200_clk_sys_setup(struct device_node *np,
90 struct at91_pmc *pmc);
91
Boris BREZILLON61140672013-10-11 11:44:36 +0200[diff] [blame]92extern void __init of_at91rm9200_clk_periph_setup(struct device_node *np,
93 struct at91_pmc *pmc);
94extern void __init of_at91sam9x5_clk_periph_setup(struct device_node *np,
95 struct at91_pmc *pmc);
96
Boris BREZILLON1f22f8b2013-10-11 11:57:04 +0200[diff] [blame]97extern void __init of_at91rm9200_clk_prog_setup(struct device_node *np,
98 struct at91_pmc *pmc);
99extern void __init of_at91sam9g45_clk_prog_setup(struct device_node *np,
100 struct at91_pmc *pmc);
101extern void __init of_at91sam9x5_clk_prog_setup(struct device_node *np,
102 struct at91_pmc *pmc);
Boris BREZILLON1f22f8b2013-10-11 11:57:04 +0200[diff] [blame]103
Boris BREZILLONf090fb32013-10-11 12:22:06 +0200[diff] [blame]104#if defined(CONFIG_HAVE_AT91_UTMI)
105extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np,
106 struct at91_pmc *pmc);
107#endif
108
Boris BREZILLONc84a61d2013-10-17 18:55:41 +0200[diff] [blame]109#if defined(CONFIG_HAVE_AT91_USB_CLK)
110extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np,
111 struct at91_pmc *pmc);
112extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
113 struct at91_pmc *pmc);
114extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np,
115 struct at91_pmc *pmc);
116#endif
117
Boris BREZILLONa9c06882013-10-11 13:27:06 +0200[diff] [blame]118#if defined(CONFIG_HAVE_AT91_SMD)
119extern void __init of_at91sam9x5_clk_smd_setup(struct device_node *np,
120 struct at91_pmc *pmc);
121#endif
122
Alexandre Bellonibcc5fd42014-09-15 18:15:53 +0200[diff] [blame^]123#if defined(CONFIG_HAVE_AT91_SMD)
124extern void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
125 struct at91_pmc *pmc);
126#endif
127
Boris BREZILLON0ad61252013-12-02 15:07:02 +0100[diff] [blame]128#endif /* __PMC_H_ */