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feat(plat/mdeiatek/mt8186): add power-off function for PSCI 

Add support for system-off.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: Ic734696aab1b71ae85bca6ed08e544a522ce5c95
This commit is contained in:
Rex-BC Chen 2021-11-22 17:55:56 +08:00
parent 572f8adbb0
commit a68346a772
1 changed files with 16 additions and 1 deletions
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17
plat/mediatek/mt8186/plat_pm.c
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@ -18,6 +18,8 @@
#include <plat_mtk_lpm.h>
#include <plat_params.h>
#include <plat_pm.h>
#include <pmic.h>
#include <rtc.h>
/*
* Cluster state request:
@ -335,6 +337,18 @@ static void plat_get_sys_suspend_power_state(psci_power_state_t *req_state)
sizeof(plat_power_state[cpu]));
}
static void __dead2 plat_mtk_system_off(void)
{
INFO("MTK System Off\n");
rtc_power_off_sequence();
pmic_power_off();
wfi();
ERROR("MTK System Off: operation not handled.\n");
panic();
}
static const plat_psci_ops_t plat_psci_ops = {
.cpu_standby = plat_cpu_standby,
.pwr_domain_on = plat_power_domain_on,
@ -343,7 +357,8 @@ static const plat_psci_ops_t plat_psci_ops = {
.pwr_domain_suspend = plat_power_domain_suspend,
.pwr_domain_suspend_finish = plat_power_domain_suspend_finish,
.validate_power_state = plat_validate_power_state,
.get_sys_suspend_power_state = plat_get_sys_suspend_power_state
.get_sys_suspend_power_state = plat_get_sys_suspend_power_state,
.system_off = plat_mtk_system_off,
};
int plat_setup_psci_ops(uintptr_t sec_entrypoint,