diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2020-08-05 11:36:48 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-08-17 11:18:17 +0200 |
| commit | e70bfc2fa8fe1a95a522f9d1ccf24d3d9b81366a (patch) | |
| tree | 6c90226556b522a2fd60e2ab4d5b682157de1c49 /arch/arm/mach-at91/pm.h | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
ARM: at91: pm: add support for ULP0 fast wakeup
ULP0 fast improves suspend/resume time with few milliseconds the drawback
being the power consumption. The mean values measured for suspend/resume
time are as follows (measured on SAMA5D2 Xplained board), ULP0 compared
with fast ULP0:
- ulp0 fast: suspend time: 169 ms, resume time: 216 ms
- ulp0 : suspend time: 197 ms, resume time: 258 ms
Current consumption while suspended (measured on SAMA5D2 Xplained board):
- ulp0 fast: 730uA
- ulp0 : 270uA
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1596616610-15460-2-git-send-email-claudiu.beznea@microchip.com
Diffstat (limited to 'arch/arm/mach-at91/pm.h')
| -rw-r--r-- | arch/arm/mach-at91/pm.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index 218e8d1a30fb..bfb260be371e 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -19,8 +19,9 @@ #define AT91_PM_STANDBY 0x00 #define AT91_PM_ULP0 0x01 -#define AT91_PM_ULP1 0x02 -#define AT91_PM_BACKUP 0x03 +#define AT91_PM_ULP0_FAST 0x02 +#define AT91_PM_ULP1 0x03 +#define AT91_PM_BACKUP 0x04 #ifndef __ASSEMBLY__ struct at91_pm_data { |