diff options
| author | Anson Huang <b20788@freescale.com> | 2014-10-20 16:16:20 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-04-14 14:00:54 -0500 |
| commit | 5a23b081adc89ee55d2ee03bc23ce004351af794 (patch) | |
| tree | 1d0cb4c242be271936b04445ca44a99054054ef0 /arch/arm/mach-imx/mx6.h | |
| parent | 0035b40ef0b435800875e9001c9e584c625f998c (diff) | |
MLK-9708 arm: imx: add low power idle support for i.mx6sx
1. improve imx6q_set_int_mem_clk_lpm routine;
2. export rbc enable interface for cpuidle;
3. enable low power idle for i.MX6SX:
WFI -> first level idle;
WAIT mode -> second level idle;
Low power idle -> third level idle, only when system is in low bus mode.
In low powe idle mode, below operations will be done:
ARM power off;
AHB freq lower to 3MHz;
PERCLK freq lower to 6MHz;
MMDC freq lower to 1MHz;
Anatop will be put into low power mode, and regular band-gap will
be off and low power band-gap will be enabled instead.
Also, in low power idle mode, 24MHz XTAL power will be off and 24MHz clk
source will be switched to RC-OSC to save power, this feature is only
enabled on i.MX6SX TO1.2.
Signed-off-by: Anson Huang <b20788@freescale.com>
Diffstat (limited to 'arch/arm/mach-imx/mx6.h')
| -rw-r--r-- | arch/arm/mach-imx/mx6.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx6.h b/arch/arm/mach-imx/mx6.h index d4b516aff5d2..b4bfc28369bd 100644 --- a/arch/arm/mach-imx/mx6.h +++ b/arch/arm/mach-imx/mx6.h @@ -43,4 +43,5 @@ #define MX6SL_WFI_IRAM_DATA_SIZE 100 #define MX6_SUSPEND_IRAM_ADDR_OFFSET 0 +#define MX6_CPUIDLE_IRAM_ADDR_OFFSET 0x1000 #endif |