linux-kernel - [PATCH] soc: mediatek: pm-domains: Add buck isolation setting for MT8188

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Date:   Wed, 15 Mar 2023 19:45:05 +0800
From:   Johnson Wang <johnson.wang@...iatek.com>
To:     <matthias.bgg@...il.com>, <angelogioacchino.delregno@...labora.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Johnson Wang <johnson.wang@...iatek.com>
Subject: [PATCH] soc: mediatek: pm-domains: Add buck isolation setting for MT8188

For ADSP_AO, CAM_VCORE and IMG_VCORE power domains in MT8188,
we have to add the buck isolation setting to make them work properly.

Signed-off-by: Johnson Wang <johnson.wang@...iatek.com>
---
 drivers/soc/mediatek/mt8188-pm-domains.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/soc/mediatek/mt8188-pm-domains.h b/drivers/soc/mediatek/mt8188-pm-domains.h
index 0692cb444ed0..e6dbdc0aa684 100644
--- a/drivers/soc/mediatek/mt8188-pm-domains.h
+++ b/drivers/soc/mediatek/mt8188-pm-domains.h
@@ -165,6 +165,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x35C,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(10),
 		.bp_infracfg = {
 			BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP1,
 				    MT8188_TOP_AXI_PROT_EN_2_SET,
@@ -175,7 +177,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_2_STA),
 		},
-		.caps = MTK_SCPD_ALWAYS_ON,
+		.caps = MTK_SCPD_ALWAYS_ON | MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_ADSP_INFRA] = {
 		.name = "adsp_infra",
@@ -479,6 +481,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x3A4,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(12),
 		.bp_infracfg = {
 			BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP1,
 				    MT8188_TOP_AXI_PROT_EN_MM_SET,
@@ -493,7 +497,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_MM_2_STA),
 		},
-		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY |
+			MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_IMG_MAIN] = {
 		.name = "img_main",
@@ -541,6 +546,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x3A0,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(11),
 		.bp_infracfg = {
 			BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP1,
 				    MT8188_TOP_AXI_PROT_EN_MM_SET,
@@ -563,7 +570,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_MM_2_STA),
 		},
-		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY |
+			MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_CAM_MAIN] = {
 		.name = "cam_main",
-- 
2.18.0