projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0ad6125b BB |
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 | ||
| 19 | struct clk_range { | |
| 20 | unsigned long min; | |
| 21 | unsigned long max; | |
| 22 | }; | |
| 23 | ||
| 24 | #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,} | |
| 25 | ||
| 26 | struct at91_pmc_caps { | |
| 27 | u32 available_irqs; | |
| 28 | }; | |
| 29 | ||
| 30 | struct 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 | ||
| 38 | static inline void pmc_lock(struct at91_pmc *pmc) | |
| 39 | { | |
| 40 | spin_lock(&pmc->lock); | |
| 41 | } | |
| 42 | ||
| 43 | static inline void pmc_unlock(struct at91_pmc *pmc) | |
| 44 | { | |
| 45 | spin_unlock(&pmc->lock); | |
| 46 | } | |
| 47 | ||
| 48 | static inline u32 pmc_read(struct at91_pmc *pmc, int offset) | |
| 49 | { | |
| 50 | return readl(pmc->regbase + offset); | |
| 51 | } | |
| 52 | ||
| 53 | static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value) | |
| 54 | { | |
| 55 | writel(value, pmc->regbase + offset); | |
| 56 | } | |
| 57 | ||
| 58 | int of_at91_get_clk_range(struct device_node *np, const char *propname, | |
| 59 | struct clk_range *range); | |
| 60 | ||
| 38d34c31 BB |
61 | extern void __init of_at91rm9200_clk_main_setup(struct device_node *np, |
| 62 | struct at91_pmc *pmc); | |
| 63 | ||
| 1a748d2b BB |
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); | |
| 74 | ||
| e442d234 BB |
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); | |
| 79 | ||
| 5fba62ea BB |
80 | extern void __init of_at91rm9200_clk_sys_setup(struct device_node *np, |
| 81 | struct at91_pmc *pmc); | |
| 82 | ||
| 6114067e BB |
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); | |
| 87 | ||
| 1f22f8bb BB |
88 | extern void __init of_at91rm9200_clk_prog_setup(struct device_node *np, |
| 89 | struct at91_pmc *pmc); | |
| 90 | extern void __init of_at91sam9g45_clk_prog_setup(struct device_node *np, | |
| 91 | struct at91_pmc *pmc); | |
| 92 | extern void __init of_at91sam9x5_clk_prog_setup(struct device_node *np, | |
| 93 | struct at91_pmc *pmc); | |
| 1f22f8bb | 94 | |
| f090fb37 BB |
95 | #if defined(CONFIG_HAVE_AT91_UTMI) |
| 96 | extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np, | |
| 97 | struct at91_pmc *pmc); | |
| 98 | #endif | |
| 99 | ||
| c84a61d8 BB |
100 | #if defined(CONFIG_HAVE_AT91_USB_CLK) |
| 101 | extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np, | |
| 102 | struct at91_pmc *pmc); | |
| 103 | extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np, | |
| 104 | struct at91_pmc *pmc); | |
| 105 | extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np, | |
| 106 | struct at91_pmc *pmc); | |
| 107 | #endif | |
| 108 | ||
| a9c0688f BB |
109 | #if defined(CONFIG_HAVE_AT91_SMD) |
| 110 | extern void __init of_at91sam9x5_clk_smd_setup(struct device_node *np, | |
| 111 | struct at91_pmc *pmc); | |
| 112 | #endif | |
| 113 | ||
| 0ad6125b | 114 | #endif /* __PMC_H_ */ |