a982502179
First export the clk32k clk. Then add clk_lookup entries for RTT devices so that rtc-at91sam9 driver can retrieve and manipulate the slow clk. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* linux/arch/arm/mach-at91/clock.h
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clkdev.h>
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#define CLK_TYPE_PRIMARY 0x1
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#define CLK_TYPE_PLL 0x2
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#define CLK_TYPE_PROGRAMMABLE 0x4
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#define CLK_TYPE_PERIPHERAL 0x8
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#define CLK_TYPE_SYSTEM 0x10
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struct clk {
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struct list_head node;
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const char *name; /* unique clock name */
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struct clk_lookup cl;
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unsigned long rate_hz;
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unsigned div; /* parent clock divider */
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struct clk *parent;
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unsigned pid; /* peripheral ID */
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u32 pmc_mask;
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void (*mode)(struct clk *, int);
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unsigned id:3; /* PCK0..4, or 32k/main/a/b */
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unsigned type; /* clock type */
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u16 users;
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};
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extern int __init clk_register(struct clk *clk);
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extern struct clk mck;
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extern struct clk utmi_clk;
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extern struct clk clk32k;
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#define CLKDEV_CON_ID(_id, _clk) \
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{ \
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.con_id = _id, \
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.clk = _clk, \
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}
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#define CLKDEV_CON_DEV_ID(_con_id, _dev_id, _clk) \
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{ \
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.con_id = _con_id, \
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.dev_id = _dev_id, \
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.clk = _clk, \
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}
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