2 * clock2430.c - OMAP2430-specific clock integration code
4 * Copyright (C) 2005-2008 Texas Instruments, Inc.
5 * Copyright (C) 2004-2010 Nokia Corporation
8 * Richard Woodruff <r-woodruff2@ti.com>
11 * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
12 * Gordon McNutt and RidgeRun, Inc.
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
20 #include <linux/kernel.h>
21 #include <linux/clk.h>
24 #include <plat/clock.h>
28 #include "clock2xxx.h"
29 #include "cm2xxx_3xxx.h"
30 #include "cm-regbits-24xx.h"
33 * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
34 * @clk: struct clk * being enabled
35 * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
36 * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
37 * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
39 * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
40 * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
41 * passes back the correct CM_IDLEST register address for I2CHS
42 * modules. No return value.
44 static void omap2430_clk_i2chs_find_idlest(struct clk
*clk
,
45 void __iomem
**idlest_reg
,
49 *idlest_reg
= OMAP2430_CM_REGADDR(CORE_MOD
, CM_IDLEST
);
50 *idlest_bit
= clk
->enable_bit
;
51 *idlest_val
= OMAP24XX_CM_IDLEST_VAL
;
54 /* 2430 I2CHS has non-standard IDLEST register */
55 const struct clkops clkops_omap2430_i2chs_wait
= {
56 .enable
= omap2_dflt_clk_enable
,
57 .disable
= omap2_dflt_clk_disable
,
58 .find_idlest
= omap2430_clk_i2chs_find_idlest
,
59 .find_companion
= omap2_clk_dflt_find_companion
,