[PATCH 2/2] soc: mediatek: add SCPSYS power dmain for MT8167 SoC

[Fabien Parent]

Add SCPSYS power domain support for MT8167 SoC.

Signed-off-by: Fabien Parent <fparent at baylibre.com>
---
 drivers/soc/mediatek/mtk-scpsys.c     | 99 +++++++++++++++++++++++++++
 include/linux/soc/mediatek/infracfg.h |  8 +++
 2 files changed, 107 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index f669d3754627..ce897720ef17 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -18,6 +18,7 @@
 #include <dt-bindings/power/mt6797-power.h>
 #include <dt-bindings/power/mt7622-power.h>
 #include <dt-bindings/power/mt7623a-power.h>
+#include <dt-bindings/power/mt8167-power.h>
 #include <dt-bindings/power/mt8173-power.h>
 
 #define MTK_POLL_DELAY_US   10
@@ -89,6 +90,7 @@ enum clk_id {
 	CLK_HIFSEL,
 	CLK_JPGDEC,
 	CLK_AUDIO,
+	CLK_AXI_MFG,
 	CLK_MAX,
 };
 
@@ -103,6 +105,7 @@ static const char * const clk_names[] = {
 	"hif_sel",
 	"jpgdec",
 	"audio",
+	"axi_mfg",
 	NULL,
 };
 
@@ -911,6 +914,87 @@ static const struct scp_domain_data scp_domain_data_mt7623a[] = {
 	},
 };
 
+/*
+ * MT8167 power domain support
+ */
+#define PWR_STATUS_MFG_2D_MT8167	BIT(24)
+#define PWR_STATUS_MFG_ASYNC_MT8167	BIT(25)
+
+static const struct scp_domain_data scp_domain_data_mt8167[] = {
+	[MT8167_POWER_DOMAIN_DISP] = {
+		.name = "disp",
+		.sta_mask = PWR_STATUS_DISP,
+		.ctl_offs = SPM_DIS_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.bus_prot_mask = MT8167_TOP_AXI_PROT_EN_MM_EMI |
+				 MT8167_TOP_AXI_PROT_EN_MCU_MM,
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT8167_POWER_DOMAIN_VDEC] = {
+		.name = "vdec",
+		.sta_mask = PWR_STATUS_VDEC,
+		.ctl_offs = SPM_VDE_PWR_CON,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM, CLK_VDEC},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT8167_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = PWR_STATUS_ISP,
+		.ctl_offs = SPM_ISP_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT8167_POWER_DOMAIN_MFG_ASYNC] = {
+		.name = "mfg_async",
+		.sta_mask = PWR_STATUS_MFG_ASYNC_MT8167,
+		.ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+		.sram_pdn_bits = 0,
+		.sram_pdn_ack_bits = 0,
+		.bus_prot_mask = MT8167_TOP_AXI_PROT_EN_MCU_MFG |
+				 MT8167_TOP_AXI_PROT_EN_MFG_EMI,
+		.clk_id = {CLK_MFG, CLK_AXI_MFG},
+	},
+	[MT8167_POWER_DOMAIN_MFG_2D] = {
+		.name = "mfg_2d",
+		.sta_mask = PWR_STATUS_MFG_2D_MT8167,
+		.ctl_offs = SPM_MFG_2D_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT8167_POWER_DOMAIN_MFG] = {
+		.name = "mfg",
+		.sta_mask = PWR_STATUS_MFG,
+		.ctl_offs = SPM_MFG_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT8167_POWER_DOMAIN_CONN] = {
+		.name = "conn",
+		.sta_mask = PWR_STATUS_CONN,
+		.ctl_offs = SPM_CONN_PWR_CON,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = 0,
+		.bus_prot_mask = MT8167_TOP_AXI_PROT_EN_CONN_EMI |
+				 MT8167_TOP_AXI_PROT_EN_CONN_MCU |
+				 MT8167_TOP_AXI_PROT_EN_MCU_CONN,
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+};
+
+static const struct scp_subdomain scp_subdomain_mt8167[] = {
+	{MT8167_POWER_DOMAIN_MFG_ASYNC, MT8167_POWER_DOMAIN_MFG_2D},
+	{MT8167_POWER_DOMAIN_MFG_2D, MT8167_POWER_DOMAIN_MFG},
+};
+
 /*
  * MT8173 power domain support
  */
@@ -1064,6 +1148,18 @@ static const struct scp_soc_data mt7623a_data = {
 	.bus_prot_reg_update = true,
 };
 
+static const struct scp_soc_data mt8167_data = {
+	.domains = scp_domain_data_mt8167,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt8167),
+	.subdomains = scp_subdomain_mt8167,
+	.num_subdomains = ARRAY_SIZE(scp_subdomain_mt8167),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = true,
+};
+
 static const struct scp_soc_data mt8173_data = {
 	.domains = scp_domain_data_mt8173,
 	.num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
@@ -1096,6 +1192,9 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
 	}, {
 		.compatible = "mediatek,mt7623a-scpsys",
 		.data = &mt7623a_data,
+	}, {
+		.compatible = "mediatek,mt8167-scpsys",
+		.data = &mt8167_data,
 	}, {
 		.compatible = "mediatek,mt8173-scpsys",
 		.data = &mt8173_data,
diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h
index fd25f0148566..6ee49bf90acf 100644
--- a/include/linux/soc/mediatek/infracfg.h
+++ b/include/linux/soc/mediatek/infracfg.h
@@ -2,6 +2,14 @@
 #ifndef __SOC_MEDIATEK_INFRACFG_H
 #define __SOC_MEDIATEK_INFRACFG_H
 
+#define MT8167_TOP_AXI_PROT_EN_MM_EMI		BIT(1)
+#define MT8167_TOP_AXI_PROT_EN_MCU_MFG		BIT(2)
+#define MT8167_TOP_AXI_PROT_EN_CONN_EMI		BIT(4)
+#define MT8167_TOP_AXI_PROT_EN_MFG_EMI		BIT(5)
+#define MT8167_TOP_AXI_PROT_EN_CONN_MCU		BIT(8)
+#define MT8167_TOP_AXI_PROT_EN_MCU_CONN		BIT(9)
+#define MT8167_TOP_AXI_PROT_EN_MCU_MM		BIT(11)
+
 #define MT8173_TOP_AXI_PROT_EN_MCI_M2		BIT(0)
 #define MT8173_TOP_AXI_PROT_EN_MM_M0		BIT(1)
 #define MT8173_TOP_AXI_PROT_EN_MM_M1		BIT(2)
-- 
2.28.0