[PATCH 4/4] pmdomain: mediatek: Add support for MT8196 HFRP DirectCTL domains
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Wed Jul 1 05:19:20 PDT 2026
Add support for the power domains provided by the HFRPSYS Power
Controller of the MT8196 SoC.
Those control power to the eDP and DP Transmitter IPs.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
drivers/pmdomain/mediatek/mt8196-pm-domains.h | 27 +++++++++++++++++++
drivers/pmdomain/mediatek/mtk-pm-domains.c | 4 +++
2 files changed, 31 insertions(+)
diff --git a/drivers/pmdomain/mediatek/mt8196-pm-domains.h b/drivers/pmdomain/mediatek/mt8196-pm-domains.h
index 2e4b28720659..d704c9fa9337 100644
--- a/drivers/pmdomain/mediatek/mt8196-pm-domains.h
+++ b/drivers/pmdomain/mediatek/mt8196-pm-domains.h
@@ -602,6 +602,27 @@ static const struct scpsys_hwv_domain_data hfrpsys_hwv_domain_data_mt8196[] = {
},
};
+static const struct scpsys_domain_data hfrpsys_domain_data_mt8196[] = {
+ [MT8196_POWER_DOMAIN_EDPTX] = {
+ .name = "edp-tx",
+ .sta_mask = MT8196_PWR_ACK,
+ .sta2nd_mask = MT8196_PWR_ACK_2ND,
+ .ctl_offs = 0x74,
+ .pwr_sta_offs = 0x74,
+ .pwr_sta2nd_offs = 0x74,
+ .caps = MTK_SCPD_SIMPLE_PWRSEQ,
+ },
+ [MT8196_POWER_DOMAIN_DPTX] = {
+ .name = "dp-tx",
+ .sta_mask = MT8196_PWR_ACK,
+ .sta2nd_mask = MT8196_PWR_ACK_2ND,
+ .ctl_offs = 0x78,
+ .pwr_sta_offs = 0x78,
+ .pwr_sta2nd_offs = 0x78,
+ .caps = MTK_SCPD_SIMPLE_PWRSEQ,
+ },
+};
+
static const struct scpsys_soc_data mt8196_scpsys_data = {
.domains_data = scpsys_domain_data_mt8196,
.num_domains = ARRAY_SIZE(scpsys_domain_data_mt8196),
@@ -616,6 +637,12 @@ static const struct scpsys_soc_data mt8196_scpsys_hwv_data = {
.type = SCPSYS_MTCMOS_TYPE_HW_VOTER,
};
+static const struct scpsys_soc_data mt8196_hfrpsys_data = {
+ .domains_data = hfrpsys_domain_data_mt8196,
+ .num_domains = ARRAY_SIZE(hfrpsys_domain_data_mt8196),
+ .type = SCPSYS_MTCMOS_TYPE_DIRECT_CTL,
+};
+
static const struct scpsys_soc_data mt8196_hfrpsys_hwv_data = {
.hwv_domains_data = hfrpsys_hwv_domain_data_mt8196,
.num_hwv_domains = ARRAY_SIZE(hfrpsys_hwv_domain_data_mt8196),
diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c
index 5276adea1d04..f69cf69ba0f6 100644
--- a/drivers/pmdomain/mediatek/mtk-pm-domains.c
+++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c
@@ -1252,6 +1252,10 @@ static const struct of_device_id scpsys_of_match[] = {
.compatible = "mediatek,mt8196-power-controller",
.data = &mt8196_scpsys_data,
},
+ {
+ .compatible = "mediatek,mt8196-hfrp-power-controller",
+ .data = &mt8196_hfrpsys_data,
+ },
{
.compatible = "mediatek,mt8196-hwv-hfrp-power-controller",
.data = &mt8196_hfrpsys_hwv_data,
--
2.54.0
More information about the linux-arm-kernel
mailing list