diff options
| author | Shawn Lin <shawn.lin@rock-chips.com> | 2025-02-05 14:15:53 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-02-13 14:47:48 +0100 |
| commit | 58ebba35ddab4868c921f970b60a77032362ef4c (patch) | |
| tree | f4163e83e1103cfa9fadd93d42d4802ae866458e | |
| parent | cd3fa304ba5c93ce57b9b55b3cd893af2be96527 (diff) | |
pmdomain: rockchip: Add smc call to inform firmware
Inform firmware to keep the power domain on or off.
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/1738736156-119203-5-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/pmdomain/rockchip/pm-domains.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f93800138..49842f16f33d 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -5,6 +5,7 @@ * Copyright (c) 2015 ROCKCHIP, Co. Ltd. */ +#include <linux/arm-smccc.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/err.h> @@ -20,6 +21,7 @@ #include <linux/regmap.h> #include <linux/mfd/syscon.h> #include <soc/rockchip/pm_domains.h> +#include <soc/rockchip/rockchip_sip.h> #include <dt-bindings/power/px30-power.h> #include <dt-bindings/power/rockchip,rv1126-power.h> #include <dt-bindings/power/rk3036-power.h> @@ -540,6 +542,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, struct generic_pm_domain *genpd = &pd->genpd; u32 pd_pwr_offset = pd->info->pwr_offset; bool is_on, is_mem_on = false; + struct arm_smccc_res res; if (pd->info->pwr_mask == 0) return; @@ -567,6 +570,11 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, genpd->name, is_on); return; } + + /* Inform firmware to keep this pd on or off */ + arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG, + pmu->info->pwr_offset + pd_pwr_offset, + pd->info->pwr_mask, on, 0, 0, 0, &res); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on) |