@@ -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)
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> --- Changes in v5: - fix a compile warning Changes in v4: None Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 8 ++++++++ 1 file changed, 8 insertions(+)