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author | David Woodhouse <David.Woodhouse@intel.com> | 2010-03-26 17:55:59 +0300 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-03-26 17:55:59 +0300 |
commit | 329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch) | |
tree | e080a5c70df40f3ae8cf28a95a3267757668ab97 /arch/arm/mach-omap2/clock2430.c | |
parent | 395b228858778d3c44f7c413693a6acaa8bb62dc (diff) | |
parent | 220bf991b0366cc50a94feede3d7341fa5710ee4 (diff) | |
download | linux-329f9052dbadf6f4afe2231668bd00c579a4aa10.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/nand/sh_flctl.c
Maxim's patch to initialise sysfs attributes depends on the patch which
actually adds sysfs_attr_init().
Diffstat (limited to 'arch/arm/mach-omap2/clock2430.c')
-rw-r--r-- | arch/arm/mach-omap2/clock2430.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/clock2430.c b/arch/arm/mach-omap2/clock2430.c new file mode 100644 index 000000000000..44d0cccc51a9 --- /dev/null +++ b/arch/arm/mach-omap2/clock2430.c @@ -0,0 +1,59 @@ +/* + * clock2430.c - OMAP2430-specific clock integration code + * + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2010 Nokia Corporation + * + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> + * Paul Walmsley + * + * Based on earlier work by Tuukka Tikkanen, Tony Lindgren, + * Gordon McNutt and RidgeRun, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <plat/clock.h> + +#include "clock.h" +#include "clock2xxx.h" +#include "cm.h" +#include "cm-regbits-24xx.h" + +/** + * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS + * @clk: struct clk * being enabled + * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into + * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into + * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator + * + * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the + * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function + * passes back the correct CM_IDLEST register address for I2CHS + * modules. No return value. + */ +static void omap2430_clk_i2chs_find_idlest(struct clk *clk, + void __iomem **idlest_reg, + u8 *idlest_bit, + u8 *idlest_val) +{ + *idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST); + *idlest_bit = clk->enable_bit; + *idlest_val = OMAP24XX_CM_IDLEST_VAL; +} + +/* 2430 I2CHS has non-standard IDLEST register */ +const struct clkops clkops_omap2430_i2chs_wait = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .find_idlest = omap2430_clk_i2chs_find_idlest, + .find_companion = omap2_clk_dflt_find_companion, +}; |