linux/arch/arm/mach-bcmring/clock.h
Leo Chen 278a6752e8 ARM: 5644/1: add bcmring core.c, clock.c, clock.h
add core.c, clock.c, and clock.h in mach-bcmring

implement timer init, clocksource init, amba device init
implement clock set/get enable/disable API
add dummy clkdev.h

Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-08-15 16:01:38 +01:00

33 lines
1.5 KiB
C

/*****************************************************************************
* Copyright 2001 - 2009 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*****************************************************************************/
#include <mach/csp/chipcHw_def.h>
#define CLK_TYPE_PRIMARY 1 /* primary clock must NOT have a parent */
#define CLK_TYPE_PLL1 2 /* PPL1 */
#define CLK_TYPE_PLL2 4 /* PPL2 */
#define CLK_TYPE_PROGRAMMABLE 8 /* programmable clock rate */
#define CLK_TYPE_BYPASSABLE 16 /* parent can be changed */
#define CLK_MODE_XTAL 1 /* clock source is from crystal */
struct clk {
const char *name; /* clock name */
unsigned int type; /* clock type */
unsigned int mode; /* current mode */
volatile int use_bypass; /* indicate if it's in bypass mode */
chipcHw_CLOCK_e csp_id; /* clock ID for CSP CHIPC */
unsigned long rate_hz; /* clock rate in Hz */
unsigned int use_cnt; /* usage count */
struct clk *parent; /* parent clock */
};