diff options
author | Ranjani Vaidyanathan <ra5478@freescale.com> | 2013-08-20 14:30:16 -0500 |
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committer | Jason Liu <r64343@freescale.com> | 2013-08-23 07:30:33 +0800 |
commit | 6f2aa2a30bde453abb07cf1755d31cf9a2e8dce4 (patch) | |
tree | b7ad372e908124d4eeb076eb64c20420454c8ea0 /include | |
parent | ae2177cf5d06552cae25d683971f0ea4325dcff8 (diff) |
ENGR00275974-1 [iMX6DQ/iMX6DL] Add busfreq support
Add support to drop DDR and AHB frequency to 24MHz in
system IDLE state.
Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/busfreq-imx6.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/busfreq-imx6.h b/include/linux/busfreq-imx6.h new file mode 100644 index 000000000000..18eb0f874a7a --- /dev/null +++ b/include/linux/busfreq-imx6.h @@ -0,0 +1,23 @@ +/* + * Copyright 2012-2013 Freescale Semiconductor, Inc. All Rights Reserved. + * + * 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. + */ + +#ifndef __ASM_ARCH_MXC_BUSFREQ_H__ +#define __ASM_ARCH_MXC_BUSFREQ_H__ + +/* + * This enumerates busfreq mode. + */ +enum bus_freq_mode { + BUS_FREQ_HIGH, + BUS_FREQ_MED, + BUS_FREQ_AUDIO, + BUS_FREQ_LOW, +}; +void request_bus_freq(enum bus_freq_mode mode); +void release_bus_freq(enum bus_freq_mode mode); +#endif |