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13967bea0b
When an AT91 programmable clock is declared in the device tree, register it into the Power Management Controller driver. On entering suspend mode, the driver saves and restores the Programmable Clock registers to support the backup mode for these clocks. Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
41 lines
958 B
C
41 lines
958 B
C
/*
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* drivers/clk/at91/pmc.h
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*
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* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __PMC_H_
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#define __PMC_H_
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#include <linux/io.h>
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#include <linux/irqdomain.h>
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#include <linux/regmap.h>
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#include <linux/spinlock.h>
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extern spinlock_t pmc_pcr_lock;
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struct clk_range {
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unsigned long min;
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unsigned long max;
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};
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#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
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int of_at91_get_clk_range(struct device_node *np, const char *propname,
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struct clk_range *range);
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#ifdef CONFIG_PM
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void pmc_register_id(u8 id);
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void pmc_register_pck(u8 pck);
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#else
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static inline void pmc_register_id(u8 id) {}
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static inline void pmc_register_pck(u8 pck) {}
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#endif
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#endif /* __PMC_H_ */
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