1 /* 2 * linux/arch/arm/mach-at91/clock.h 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9 #include <linux/clkdev.h> 10 11 #define CLK_TYPE_PRIMARY 0x1 12 #define CLK_TYPE_PLL 0x2 13 #define CLK_TYPE_PROGRAMMABLE 0x4 14 #define CLK_TYPE_PERIPHERAL 0x8 15 #define CLK_TYPE_SYSTEM 0x10 16 17 18 struct clk { 19 struct list_head node; 20 const char *name; /* unique clock name */ 21 struct clk_lookup cl; 22 unsigned long rate_hz; 23 unsigned div; /* parent clock divider */ 24 struct clk *parent; 25 unsigned pid; /* peripheral ID */ 26 u32 pmc_mask; 27 void (*mode)(struct clk *, int); 28 unsigned id:3; /* PCK0..4, or 32k/main/a/b */ 29 unsigned type; /* clock type */ 30 u16 users; 31 }; 32 33 34 extern int __init clk_register(struct clk *clk); 35 extern struct clk mck; 36 extern struct clk utmi_clk; 37 38 #define CLKDEV_CON_ID(_id, _clk) \ 39 { \ 40 .con_id = _id, \ 41 .clk = _clk, \ 42 } 43 44 #define CLKDEV_CON_DEV_ID(_con_id, _dev_id, _clk) \ 45 { \ 46 .con_id = _con_id, \ 47 .dev_id = _dev_id, \ 48 .clk = _clk, \ 49 } 50