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/*
* drivers/clk/at91/pmc.h
*
* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __PMC_H_
#define __PMC_H_
#include <linux/io.h>
#include <linux/irqdomain.h>
#include <linux/spinlock.h>
struct clk_range {
unsigned long min;
unsigned long max;
};
#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
struct at91_pmc_caps {
u32 available_irqs;
};
struct at91_pmc {
void __iomem *regbase;
int virq;
spinlock_t lock;
const struct at91_pmc_caps *caps;
struct irq_domain *irqdomain;
};
static inline void pmc_lock(struct at91_pmc *pmc)
{
spin_lock(&pmc->lock);
}
static inline void pmc_unlock(struct at91_pmc *pmc)
{
spin_unlock(&pmc->lock);
}
static inline u32 pmc_read(struct at91_pmc *pmc, int offset)
{
return readl(pmc->regbase + offset);
}
static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value)
{
writel(value, pmc->regbase + offset);
}
int of_at91_get_clk_range(struct device_node *np, const char *propname,
struct clk_range *range);
extern void __init of_at91rm9200_clk_main_setup(struct device_node *np,
struct at91_pmc *pmc);
#endif /* __PMC_H_ */
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