Commit 58ebba35 authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
Browse files

pmdomain: rockchip: Add smc call to inform firmware 



Inform firmware to keep the power domain on or off.

Suggested-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Acked-by: default avatarHeiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/1738736156-119203-5-git-send-email-shawn.lin@rock-chips.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent cd3fa304

drivers/pmdomain/rockchip/pm-domains.c

+8 −0
Original line number Diff line number Diff line
@@ -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)