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| author |   Claudiu Beznea <claudiu.beznea@microchip.com> | 2021-04-15 13:50:06 +0300 |
|---|---|---|
| committer |   Nicolas Ferre <nicolas.ferre@microchip.com> | 2021-07-19 14:32:12 +0200 |
| commit | f205adb60898ed72c3aa5aedac22f74a1d293734 (patch) | |
| tree | ecd8f0d796cfdd34b9035bd9b3aae0ebf2a14bfb /arch/arm/mach-at91/pm.c | |
| parent | ARM: at91: pm: save ddr phy calibration data to securam (diff) | |
| download | linux-dev-f205adb60898ed72c3aa5aedac22f74a1d293734.tar.xz linux-dev-f205adb60898ed72c3aa5aedac22f74a1d293734.zip | |
ARM: at91: pm: add backup mode support for SAMA7G5
Adapt at91_pm_backup_init() to work for SAMA7G5. Also, set the LPM pin
to shutdown controller. This will signal to PMIC that it needs to switch
to the state corresponding to backup mode.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-21-claudiu.beznea@microchip.com
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 91b4014d2e10..fcb20272d65d 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -729,7 +729,8 @@ static int __init at91_pm_backup_init(void) struct platform_device *pdev; int ret = -ENODEV, located = 0; - if (!IS_ENABLED(CONFIG_SOC_SAMA5D2)) + if (!IS_ENABLED(CONFIG_SOC_SAMA5D2) && + !IS_ENABLED(CONFIG_SOC_SAMA7G5)) return -EPERM; if (!at91_is_pm_mode_active(AT91_PM_BACKUP)) |