diff --git a/drivers/pmdomain/mediatek/mt8196-pm-domains.h b/drivers/pmdomain/mediatek/mt8196-pm-domains.h new file mode 100644 index 000000000000..ce8d594c46f8 --- /dev/null +++ b/drivers/pmdomain/mediatek/mt8196-pm-domains.h @@ -0,0 +1,386 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2025 Collabora Ltd + * AngeloGioacchino Del Regno + */ + +#ifndef __SOC_MEDIATEK_MT8196_PM_DOMAINS_H +#define __SOC_MEDIATEK_MT8196_PM_DOMAINS_H + +#include "mtk-pm-domains.h" +#include + +/* + * MT8196 and MT6991 power domain support + */ + +/* INFRA TOP_AXI registers */ +#define MT8196_TOP_AXI_PROT_EN_SET 0x4 +#define MT8196_TOP_AXI_PROT_EN_CLR 0x8 +#define MT8196_TOP_AXI_PROT_EN_STA 0xc + #define MT8196_TOP_AXI_PROT_EN_SLEEP0_MD BIT(29) + +#define MT8196_TOP_AXI_PROT_EN_1_SET 0x24 +#define MT8196_TOP_AXI_PROT_EN_1_CLR 0x28 +#define MT8196_TOP_AXI_PROT_EN_1_STA 0x2c + #define MT8196_TOP_AXI_PROT_EN_1_SLEEP1_MD BIT(0) + +/* SPM BUS_PROTECT registers */ +#define MT8196_SPM_BUS_PROTECT_CON_SET 0xdc +#define MT8196_SPM_BUS_PROTECT_CON_CLR 0xe0 +#define MT8196_SPM_BUS_PROTECT_RDY 0x208 + #define MT8196_SPM_PROT_EN_BUS_CONN BIT(1) + #define MT8196_SPM_PROT_EN_BUS_SSUSB_DP_PHY_P0 BIT(6) + #define MT8196_SPM_PROT_EN_BUS_SSUSB_P0 BIT(7) + #define MT8196_SPM_PROT_EN_BUS_SSUSB_P1 BIT(8) + #define MT8196_SPM_PROT_EN_BUS_SSUSB_P23 BIT(9) + #define MT8196_SPM_PROT_EN_BUS_SSUSB_PHY_P2 BIT(10) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_MAC0 BIT(13) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_MAC1 BIT(14) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_MAC2 BIT(15) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_PHY0 BIT(16) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_PHY1 BIT(17) + #define MT8196_SPM_PROT_EN_BUS_PEXTP_PHY2 BIT(18) + #define MT8196_SPM_PROT_EN_BUS_AUDIO BIT(19) + #define MT8196_SPM_PROT_EN_BUS_ADSP_TOP BIT(21) + #define MT8196_SPM_PROT_EN_BUS_ADSP_INFRA BIT(22) + #define MT8196_SPM_PROT_EN_BUS_ADSP_AO BIT(23) + #define MT8196_SPM_PROT_EN_BUS_MM_PROC BIT(24) + +/* PWR_CON registers */ +#define MT8196_PWR_ACK BIT(30) +#define MT8196_PWR_ACK_2ND BIT(31) + +static enum scpsys_bus_prot_block scpsys_bus_prot_blocks_mt8196[] = { + BUS_PROT_BLOCK_INFRA, BUS_PROT_BLOCK_SPM +}; + +static const struct scpsys_domain_data scpsys_domain_data_mt8196[] = { + [MT8196_POWER_DOMAIN_MD] = { + .name = "md", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe00, + .pwr_sta_offs = 0xe00, + .pwr_sta2nd_offs = 0xe00, + .ext_buck_iso_offs = 0xefc, + .ext_buck_iso_mask = GENMASK(1, 0), + .bp_cfg = { + BUS_PROT_WR_IGN(INFRA, MT8196_TOP_AXI_PROT_EN_SLEEP0_MD, + MT8196_TOP_AXI_PROT_EN_SET, + MT8196_TOP_AXI_PROT_EN_CLR, + MT8196_TOP_AXI_PROT_EN_STA), + BUS_PROT_WR_IGN(INFRA, MT8196_TOP_AXI_PROT_EN_1_SLEEP1_MD, + MT8196_TOP_AXI_PROT_EN_1_SET, + MT8196_TOP_AXI_PROT_EN_1_CLR, + MT8196_TOP_AXI_PROT_EN_1_STA), + }, + .caps = MTK_SCPD_MODEM_PWRSEQ | MTK_SCPD_EXT_BUCK_ISO | + MTK_SCPD_SKIP_RESET_B | MTK_SCPD_KEEP_DEFAULT_OFF, + }, + [MT8196_POWER_DOMAIN_CONN] = { + .name = "conn", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe04, + .pwr_sta_offs = 0xe04, + .pwr_sta2nd_offs = 0xe04, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_CONN, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_KEEP_DEFAULT_OFF, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_SSUSB_DP_PHY_P0] = { + .name = "ssusb-dp-phy-p0", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe18, + .pwr_sta_offs = 0xe18, + .pwr_sta2nd_offs = 0xe18, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_SSUSB_DP_PHY_P0, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_ALWAYS_ON, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_SSUSB_P0] = { + .name = "ssusb-p0", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe1c, + .pwr_sta_offs = 0xe1c, + .pwr_sta2nd_offs = 0xe1c, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_SSUSB_P0, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_ALWAYS_ON, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_SSUSB_P1] = { + .name = "ssusb-p1", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe20, + .pwr_sta_offs = 0xe20, + .pwr_sta2nd_offs = 0xe20, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_SSUSB_P1, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_ALWAYS_ON, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_SSUSB_P23] = { + .name = "ssusb-p23", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe24, + .pwr_sta_offs = 0xe24, + .pwr_sta2nd_offs = 0xe24, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_SSUSB_P23, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_KEEP_DEFAULT_OFF, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_SSUSB_PHY_P2] = { + .name = "ssusb-phy-p2", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe28, + .pwr_sta_offs = 0xe28, + .pwr_sta2nd_offs = 0xe28, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_SSUSB_PHY_P2, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_KEEP_DEFAULT_OFF, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_PEXTP_MAC0] = { + .name = "pextp-mac0", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe34, + .pwr_sta_offs = 0xe34, + .pwr_sta2nd_offs = 0xe34, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_MAC0, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_PEXTP_MAC1] = { + .name = "pextp-mac1", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe38, + .pwr_sta_offs = 0xe38, + .pwr_sta2nd_offs = 0xe38, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_MAC1, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_PEXTP_MAC2] = { + .name = "pextp-mac2", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe3c, + .pwr_sta_offs = 0xe3c, + .pwr_sta2nd_offs = 0xe3c, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_MAC2, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_PEXTP_PHY0] = { + .name = "pextp-phy0", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe40, + .pwr_sta_offs = 0xe40, + .pwr_sta2nd_offs = 0xe40, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_PHY0, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_PEXTP_PHY1] = { + .name = "pextp-phy1", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe44, + .pwr_sta_offs = 0xe44, + .pwr_sta2nd_offs = 0xe44, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_PHY1, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_PEXTP_PHY2] = { + .name = "pextp-phy2", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe48, + .pwr_sta_offs = 0xe48, + .pwr_sta2nd_offs = 0xe48, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_PEXTP_PHY2, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_PCIE_PHY, + }, + [MT8196_POWER_DOMAIN_AUDIO] = { + .name = "audio", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe4c, + .pwr_sta_offs = 0xe4c, + .pwr_sta2nd_offs = 0xe4c, + .sram_pdn_bits = BIT(8), + .sram_pdn_ack_bits = BIT(12), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_AUDIO, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_ADSP_TOP_DORMANT] = { + .name = "adsp-top-dormant", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe54, + .pwr_sta_offs = 0xe54, + .pwr_sta2nd_offs = 0xe54, + /* Note: This is not managing powerdown (pdn), but sleep instead (slp) */ + .sram_pdn_bits = BIT(9), + .sram_pdn_ack_bits = BIT(13), + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_ADSP_TOP, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_SRAM_PDN_INVERTED, + }, + [MT8196_POWER_DOMAIN_ADSP_INFRA] = { + .name = "adsp-infra", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe58, + .pwr_sta_offs = 0xe58, + .pwr_sta2nd_offs = 0xe58, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_ADSP_INFRA, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_ALWAYS_ON, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, + [MT8196_POWER_DOMAIN_ADSP_AO] = { + .name = "adsp-ao", + .sta_mask = MT8196_PWR_ACK, + .sta2nd_mask = MT8196_PWR_ACK_2ND, + .ctl_offs = 0xe5c, + .pwr_sta_offs = 0xe5c, + .pwr_sta2nd_offs = 0xe5c, + .bp_cfg = { + BUS_PROT_WR_IGN(SPM, MT8196_SPM_PROT_EN_BUS_ADSP_AO, + MT8196_SPM_BUS_PROTECT_CON_SET, + MT8196_SPM_BUS_PROTECT_CON_CLR, + MT8196_SPM_BUS_PROTECT_RDY), + }, + .caps = MTK_SCPD_ALWAYS_ON, + .rtff_type = SCPSYS_RTFF_TYPE_GENERIC, + }, +}; + +static const struct scpsys_hwv_domain_data scpsys_hwv_domain_data_mt8196[] = { + [MT8196_POWER_DOMAIN_MM_PROC_DORMANT] = { + .name = "mm-proc-dormant", + .set = 0x0218, + .clr = 0x021c, + .done = 0x141c, + .en = 0x1410, + .set_sta = 0x146c, + .clr_sta = 0x1470, + .setclr_bit = 0, + .caps = MTK_SCPD_ALWAYS_ON, + }, + [MT8196_POWER_DOMAIN_SSR] = { + .name = "ssrsys", + .set = 0x0218, + .clr = 0x021c, + .done = 0x141c, + .en = 0x1410, + .set_sta = 0x146c, + .clr_sta = 0x1470, + .setclr_bit = 1, + }, +}; + +static const struct scpsys_soc_data mt8196_scpsys_data = { + .domains_data = scpsys_domain_data_mt8196, + .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8196), + .bus_prot_blocks = scpsys_bus_prot_blocks_mt8196, + .num_bus_prot_blocks = ARRAY_SIZE(scpsys_bus_prot_blocks_mt8196), + .type = SCPSYS_MTCMOS_TYPE_DIRECT_CTL, +}; + +static const struct scpsys_soc_data mt8196_scpsys_hwv_data = { + .hwv_domains_data = scpsys_hwv_domain_data_mt8196, + .num_hwv_domains = ARRAY_SIZE(scpsys_hwv_domain_data_mt8196), + .type = SCPSYS_MTCMOS_TYPE_HW_VOTER, +}; + +#endif /* __SOC_MEDIATEK_MT8196_PM_DOMAINS_H */ diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c index f400b0c6b5fd..18f0b9b960d9 100644 --- a/drivers/pmdomain/mediatek/mtk-pm-domains.c +++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c @@ -27,6 +27,7 @@ #include "mt8188-pm-domains.h" #include "mt8192-pm-domains.h" #include "mt8195-pm-domains.h" +#include "mt8196-pm-domains.h" #include "mt8365-pm-domains.h" #define MTK_POLL_DELAY_US 10 @@ -81,13 +82,16 @@ struct scpsys { static bool scpsys_domain_is_on(struct scpsys_domain *pd) { struct scpsys *scpsys = pd->scpsys; - u32 status, status2; + u32 mask = pd->data->sta_mask; + u32 status, status2, mask2; + + mask2 = pd->data->sta2nd_mask ? pd->data->sta2nd_mask : mask; regmap_read(scpsys->base, pd->data->pwr_sta_offs, &status); - status &= pd->data->sta_mask; + status &= mask; regmap_read(scpsys->base, pd->data->pwr_sta2nd_offs, &status2); - status2 &= pd->data->sta_mask; + status2 &= mask2; /* A domain is on when both status bits are set. */ return status && status2; @@ -1150,6 +1154,14 @@ static const struct of_device_id scpsys_of_match[] = { .compatible = "mediatek,mt8195-power-controller", .data = &mt8195_scpsys_data, }, + { + .compatible = "mediatek,mt8196-power-controller", + .data = &mt8196_scpsys_data, + }, + { + .compatible = "mediatek,mt8196-hwv-scp-power-controller", + .data = &mt8196_scpsys_hwv_data, + }, { .compatible = "mediatek,mt8365-power-controller", .data = &mt8365_scpsys_data, diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.h b/drivers/pmdomain/mediatek/mtk-pm-domains.h index 36adcfca80c6..f608e6ec4744 100644 --- a/drivers/pmdomain/mediatek/mtk-pm-domains.h +++ b/drivers/pmdomain/mediatek/mtk-pm-domains.h @@ -62,6 +62,7 @@ enum scpsys_bus_prot_block { BUS_PROT_BLOCK_INFRA, BUS_PROT_BLOCK_INFRA_NAO, BUS_PROT_BLOCK_SMI, + BUS_PROT_BLOCK_SPM, BUS_PROT_BLOCK_COUNT, }; @@ -143,6 +144,7 @@ enum scpsys_mtcmos_type { * struct scpsys_domain_data - scp domain data for power on/off flow * @name: The name of the power domain. * @sta_mask: The mask for power on/off status bit. + * @sta2nd_mask: The mask for second power on/off status bit. * @ctl_offs: The offset for main power control register. * @sram_pdn_bits: The mask for sram power control bits. * @sram_pdn_ack_bits: The mask for sram power control acked bits. @@ -155,6 +157,7 @@ enum scpsys_mtcmos_type { struct scpsys_domain_data { const char *name; u32 sta_mask; + u32 sta2nd_mask; int ctl_offs; u32 sram_pdn_bits; u32 sram_pdn_ack_bits;