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soc: rockchip: pm_config: support config wakeup irqs for virtual poweroff

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Our platform supports wake-up by pwm and gpio0 by default
when virtual poweroff. If there are other wake source requirements,
we can configure property "rockchip,virtual-poweroff-irqs = <xx xx xx...>;"

Signed-off-by: XiaoDong Huang <derrick.huang@rock-chips.com>
Change-Id: Ied9ddb0a222479268f68aecceac8b950b9743444
This commit is contained in:
XiaoDong Huang
2023-09-20 17:21:58 +08:00
parent c2ce041510
commit 110fd8f6d9
1 changed files with 62 additions and 10 deletions
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72
drivers/soc/rockchip/rockchip_pm_config.c
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@@ -99,9 +99,17 @@ static const struct of_device_id pm_match_table[] = {
};
#ifndef MODULE
enum {
RK_PM_VIRT_PWROFF_EN = 0,
RK_PM_VIRT_PWROFF_IRQ_CFG = 1,
RK_PM_VIRT_PWROFF_MAX,
};
static u32 *virtual_pwroff_irqs;
static void rockchip_pm_virt_pwroff_prepare(void)
{
int error;
int error, i;
pm_wakeup_clear(0);
@@ -113,10 +121,60 @@ static void rockchip_pm_virt_pwroff_prepare(void)
return;
}
sip_smc_set_suspend_mode(VIRTUAL_POWEROFF, 0, 1);
sip_smc_set_suspend_mode(VIRTUAL_POWEROFF, RK_PM_VIRT_PWROFF_EN, 1);
if (virtual_pwroff_irqs) {
for (i = 0; virtual_pwroff_irqs[i]; i++) {
error = sip_smc_set_suspend_mode(VIRTUAL_POWEROFF,
RK_PM_VIRT_PWROFF_IRQ_CFG,
virtual_pwroff_irqs[i]);
if (error) {
pr_err("%s: config virtual_pwroff_irqs[%d] error, overflow or update trust!\n",
__func__, i);
break;
}
}
}
sip_smc_virtual_poweroff();
}
static int parse_virtual_pwroff_config(struct device_node *node)
{
int ret = 0, cnt;
u32 virtual_poweroff_en = 0;
if (!of_property_read_u32_array(node,
"rockchip,virtual-poweroff",
&virtual_poweroff_en, 1) &&
virtual_poweroff_en)
pm_power_off_prepare = rockchip_pm_virt_pwroff_prepare;
if (!virtual_poweroff_en)
return 0;
cnt = of_property_count_u32_elems(node, "rockchip,virtual-poweroff-irqs");
if (cnt > 0) {
/* 0 as the last element of virtual_pwroff_irqs */
virtual_pwroff_irqs = kzalloc((cnt + 1) * sizeof(u32), GFP_KERNEL);
if (!virtual_pwroff_irqs) {
ret = -ENOMEM;
goto out;
}
ret = of_property_read_u32_array(node, "rockchip,virtual-poweroff-irqs",
virtual_pwroff_irqs, cnt);
if (ret) {
pr_err("%s: get rockchip,virtual-poweroff-irqs error\n",
__func__);
goto out;
}
}
out:
return ret;
}
static int parse_sleep_config(struct device_node *node, enum rk_pm_state state)
{
char mode_prop_name[MAX_CONFIG_PROP_NAME_LEN];
@@ -317,9 +375,7 @@ static int pm_config_probe(struct platform_device *pdev)
u32 apios_suspend = 0;
u32 io_ret_config = 0;
u32 sleep_pin_config[2] = {0};
#ifndef MODULE
u32 virtual_poweroff_en = 0;
#endif
enum of_gpio_flags flags;
int i = 0;
int length;
@@ -413,11 +469,7 @@ static int pm_config_probe(struct platform_device *pdev)
parse_mcu_sleep_config(node);
#ifndef MODULE
if (!of_property_read_u32_array(node,
"rockchip,virtual-poweroff",
&virtual_poweroff_en, 1) &&
virtual_poweroff_en)
pm_power_off_prepare = rockchip_pm_virt_pwroff_prepare;
parse_virtual_pwroff_config(node);
for (i = RK_PM_MEM; i < RK_PM_STATE_MAX; i++) {
parse_sleep_config(node, i);