[PATCH v16 08/11] soc: mediatek: Add MT8183 scpsys support

Weiyi Lu
2020-06-17T07:05:45Z

Add scpsys driver for MT8183

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
---
drivers/soc/mediatek/mtk-scpsys.c | 249 ++++++++++++++++++++++++++++++++++++++
1 file changed, 249 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index 360d559..abdbab4 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -19,6 +19,7 @@
#include <dt-bindings/power/mt7622-power.h>
#include <dt-bindings/power/mt7623a-power.h>
#include <dt-bindings/power/mt8173-power.h>
+#include <dt-bindings/power/mt8183-power.h>

#define MTK_POLL_DELAY_US 10
#define MTK_POLL_TIMEOUT USEC_PER_SEC
@@ -99,6 +100,34 @@
#define MT8173_TOP_AXI_PROT_EN_MFG_M1 BIT(22)
#define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT BIT(23)

+#define MT8183_TOP_AXI_PROT_EN_DISP (BIT(10) | BIT(11))
+#define MT8183_TOP_AXI_PROT_EN_CONN (BIT(13) | BIT(14))
+#define MT8183_TOP_AXI_PROT_EN_MFG (BIT(21) | BIT(22))
+#define MT8183_TOP_AXI_PROT_EN_CAM BIT(28)
+#define MT8183_TOP_AXI_PROT_EN_VPU_TOP BIT(27)
+#define MT8183_TOP_AXI_PROT_EN_1_DISP (BIT(16) | BIT(17))
+#define MT8183_TOP_AXI_PROT_EN_1_MFG GENMASK(21, 19)
+#define MT8183_TOP_AXI_PROT_EN_MM_ISP (BIT(3) | BIT(8))
+#define MT8183_TOP_AXI_PROT_EN_MM_ISP_2ND BIT(10)
+#define MT8183_TOP_AXI_PROT_EN_MM_CAM (BIT(4) | BIT(5) | \
+ BIT(9) | BIT(13))
+#define MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP (GENMASK(9, 6) | \
+ BIT(12))
+#define MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP_2ND (BIT(10) | BIT(11))
+#define MT8183_TOP_AXI_PROT_EN_MM_CAM_2ND BIT(11)
+#define MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0_2ND (BIT(0) | BIT(2) | \
+ BIT(4))
+#define MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1_2ND (BIT(1) | BIT(3) | \
+ BIT(5))
+#define MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0 BIT(6)
+#define MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1 BIT(7)
+#define MT8183_SMI_COMMON_SMI_CLAMP_DISP GENMASK(7, 0)
+#define MT8183_SMI_COMMON_SMI_CLAMP_VENC BIT(1)
+#define MT8183_SMI_COMMON_SMI_CLAMP_ISP BIT(2)
+#define MT8183_SMI_COMMON_SMI_CLAMP_CAM (BIT(3) | BIT(4))
+#define MT8183_SMI_COMMON_SMI_CLAMP_VPU_TOP (BIT(5) | BIT(6))
+#define MT8183_SMI_COMMON_SMI_CLAMP_VDEC BIT(7)
+
#define MAX_CLKS 3
#define MAX_SUBSYS_CLKS 10

@@ -1186,6 +1215,212 @@ static void mtk_register_power_domains(struct platform_device *pdev,
{MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
};

+/*
+ * MT8183 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt8183[] = {
+ [MT8183_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = 0x0314,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .basic_clk_name = {"audio", "audio1", "audio2"},
+ },
+ [MT8183_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = 0x032c,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2a0, 0x2a4, 0, 0x228,
+ MT8183_TOP_AXI_PROT_EN_CONN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = 0x0334,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .basic_clk_name = {"mfg"},
+ },
+ [MT8183_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = 0x0338,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8183_POWER_DOMAIN_MFG_CORE0] = {
+ .name = "mfg_core0",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x034c,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8183_POWER_DOMAIN_MFG_CORE1] = {
+ .name = "mfg_core1",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x0310,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8183_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = 0x0348,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2a8, 0x2ac, 0, 0x258,
+ MT8183_TOP_AXI_PROT_EN_1_MFG),
+ BUS_PROT(IFR_TYPE, 0x2a0, 0x2a4, 0, 0x228,
+ MT8183_TOP_AXI_PROT_EN_MFG),
+ },
+ },
+ [MT8183_POWER_DOMAIN_DISP] = {
+ .name = "disp",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = 0x030c,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .basic_clk_name = {"mm"},
+ .subsys_clk_prefix = "mm",
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2a8, 0x2ac, 0, 0x258,
+ MT8183_TOP_AXI_PROT_EN_1_DISP),
+ BUS_PROT(IFR_TYPE, 0x2a0, 0x2a4, 0, 0x228,
+ MT8183_TOP_AXI_PROT_EN_DISP),
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_DISP),
+ },
+ },
+ [MT8183_POWER_DOMAIN_CAM] = {
+ .name = "cam",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x0344,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .basic_clk_name = {"cam"},
+ .subsys_clk_prefix = "cam",
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_CAM),
+ BUS_PROT(IFR_TYPE, 0x2a0, 0x2a4, 0, 0x228,
+ MT8183_TOP_AXI_PROT_EN_CAM),
+ BUS_PROT_IGN(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_CAM_2ND),
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_CAM),
+ },
+ },
+ [MT8183_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = 0x0308,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .basic_clk_name = {"isp"},
+ .subsys_clk_prefix = "isp",
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_ISP),
+ BUS_PROT_IGN(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_ISP_2ND),
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_ISP),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(31),
+ .ctl_offs = 0x0300,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_table = {
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_VDEC),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = 0x0304,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .bp_table = {
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_VENC),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VPU_TOP] = {
+ .name = "vpu_top",
+ .sta_mask = BIT(26),
+ .ctl_offs = 0x0324,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .basic_clk_name = {"vpu", "vpu1"},
+ .subsys_clk_prefix = "vpu",
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP),
+ BUS_PROT(IFR_TYPE, 0x2a0, 0x2a4, 0, 0x228,
+ MT8183_TOP_AXI_PROT_EN_VPU_TOP),
+ BUS_PROT(IFR_TYPE, 0x2d4, 0x2d8, 0, 0x2ec,
+ MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP_2ND),
+ BUS_PROT(SMI_TYPE, 0x3c4, 0x3c8, 0, 0x3c0,
+ MT8183_SMI_COMMON_SMI_CLAMP_VPU_TOP),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VPU_CORE0] = {
+ .name = "vpu_core0",
+ .sta_mask = BIT(27),
+ .ctl_offs = 0x33c,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .basic_clk_name = {"vpu2"},
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2c4, 0x2c8, 0, 0x2e4,
+ MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0),
+ BUS_PROT(IFR_TYPE, 0x2c4, 0x2c8, 0, 0x2e4,
+ MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0_2ND),
+ },
+ .caps = MTK_SCPD_SRAM_ISO,
+ },
+ [MT8183_POWER_DOMAIN_VPU_CORE1] = {
+ .name = "vpu_core1",
+ .sta_mask = BIT(28),
+ .ctl_offs = 0x0340,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .basic_clk_name = {"vpu3"},
+ .bp_table = {
+ BUS_PROT(IFR_TYPE, 0x2c4, 0x2c8, 0, 0x2e4,
+ MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1),
+ BUS_PROT(IFR_TYPE, 0x2c4, 0x2c8, 0, 0x2e4,
+ MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1_2ND),
+ },
+ .caps = MTK_SCPD_SRAM_ISO,
+ },
+};
+
+static const struct scp_subdomain scp_subdomain_mt8183[] = {
+ {MT8183_POWER_DOMAIN_MFG_ASYNC, MT8183_POWER_DOMAIN_MFG},
+ {MT8183_POWER_DOMAIN_MFG, MT8183_POWER_DOMAIN_MFG_2D},
+ {MT8183_POWER_DOMAIN_MFG, MT8183_POWER_DOMAIN_MFG_CORE0},
+ {MT8183_POWER_DOMAIN_MFG, MT8183_POWER_DOMAIN_MFG_CORE1},
+ {MT8183_POWER_DOMAIN_DISP, MT8183_POWER_DOMAIN_CAM},
+ {MT8183_POWER_DOMAIN_DISP, MT8183_POWER_DOMAIN_ISP},
+ {MT8183_POWER_DOMAIN_DISP, MT8183_POWER_DOMAIN_VDEC},
+ {MT8183_POWER_DOMAIN_DISP, MT8183_POWER_DOMAIN_VENC},
+ {MT8183_POWER_DOMAIN_DISP, MT8183_POWER_DOMAIN_VPU_TOP},
+ {MT8183_POWER_DOMAIN_VPU_TOP, MT8183_POWER_DOMAIN_VPU_CORE0},
+ {MT8183_POWER_DOMAIN_VPU_TOP, MT8183_POWER_DOMAIN_VPU_CORE1},
+};
+
static const struct scp_soc_data mt2701_data = {
.domains = scp_domain_data_mt2701,
.num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
@@ -1246,6 +1481,17 @@ static void mtk_register_power_domains(struct platform_device *pdev,
},
};

+static const struct scp_soc_data mt8183_data = {
+ .domains = scp_domain_data_mt8183,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt8183),
+ .subdomains = scp_subdomain_mt8183,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt8183),
+ .regs = {
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184
+ }
+};
+
/*
* scpsys driver init
*/
@@ -1270,6 +1516,9 @@ static void mtk_register_power_domains(struct platform_device *pdev,
.compatible = "mediatek,mt8173-scpsys",
.data = &mt8173_data,
}, {
+ .compatible = "mediatek,mt8183-scpsys",
+ .data = &mt8183_data,
+ }, {
/* sentinel */
}
};
--
1.8.1.1.dirty