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-rw-r--r--drivers/soc/mediatek/mtk-pm-domains.c8
-rw-r--r--drivers/soc/mediatek/mtk-pm-domains.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
index ea3878bf4387..354249cc1b12 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.c
+++ b/drivers/soc/mediatek/mtk-pm-domains.c
@@ -219,6 +219,10 @@ static int scpsys_power_on(struct generic_pm_domain *genpd)
if (ret)
goto err_reg;
+ if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
+ regmap_clear_bits(scpsys->base, pd->data->ext_buck_iso_offs,
+ pd->data->ext_buck_iso_mask);
+
/* subsys power on */
regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_BIT);
regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_2ND_BIT);
@@ -273,6 +277,10 @@ static int scpsys_power_off(struct generic_pm_domain *genpd)
if (ret < 0)
return ret;
+ if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
+ regmap_set_bits(scpsys->base, pd->data->ext_buck_iso_offs,
+ pd->data->ext_buck_iso_mask);
+
clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
/* subsys power off */
diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
index a5f24c58e35a..5ec53ee073c4 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.h
+++ b/drivers/soc/mediatek/mtk-pm-domains.h
@@ -10,6 +10,7 @@
#define MTK_SCPD_DOMAIN_SUPPLY BIT(4)
/* can't set MTK_SCPD_KEEP_DEFAULT_OFF at the same time */
#define MTK_SCPD_ALWAYS_ON BIT(5)
+#define MTK_SCPD_EXT_BUCK_ISO BIT(6)
#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
#define SPM_VDE_PWR_CON 0x0210