// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015 Pengutronix, Sascha Hauer <[email protected]> */ #include <linux/clk.h> #include <linux/init.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/mfd/syscon.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/regulator/consumer.h> #include <linux/soc/mediatek/infracfg.h> #include <dt-bindings/power/mt2701-power.h> #include <dt-bindings/power/mt2712-power.h> #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/mt8173-power.h> #define MTK_POLL_DELAY_US … #define MTK_POLL_TIMEOUT … #define MTK_SCPD_ACTIVE_WAKEUP … #define MTK_SCPD_FWAIT_SRAM … #define MTK_SCPD_CAPS(_scpd, _x) … #define SPM_VDE_PWR_CON … #define SPM_MFG_PWR_CON … #define SPM_VEN_PWR_CON … #define SPM_ISP_PWR_CON … #define SPM_DIS_PWR_CON … #define SPM_CONN_PWR_CON … #define SPM_VEN2_PWR_CON … #define SPM_AUDIO_PWR_CON … #define SPM_BDP_PWR_CON … #define SPM_ETH_PWR_CON … #define SPM_HIF_PWR_CON … #define SPM_IFR_MSC_PWR_CON … #define SPM_MFG_2D_PWR_CON … #define SPM_MFG_ASYNC_PWR_CON … #define SPM_USB_PWR_CON … #define SPM_USB2_PWR_CON … #define SPM_ETHSYS_PWR_CON … #define SPM_HIF0_PWR_CON … #define SPM_HIF1_PWR_CON … #define SPM_WB_PWR_CON … #define SPM_PWR_STATUS … #define SPM_PWR_STATUS_2ND … #define PWR_RST_B_BIT … #define PWR_ISO_BIT … #define PWR_ON_BIT … #define PWR_ON_2ND_BIT … #define PWR_CLK_DIS_BIT … #define PWR_STATUS_CONN … #define PWR_STATUS_DISP … #define PWR_STATUS_MFG … #define PWR_STATUS_ISP … #define PWR_STATUS_VDEC … #define PWR_STATUS_BDP … #define PWR_STATUS_ETH … #define PWR_STATUS_HIF … #define PWR_STATUS_IFR_MSC … #define PWR_STATUS_USB2 … #define PWR_STATUS_VENC_LT … #define PWR_STATUS_VENC … #define PWR_STATUS_MFG_2D … #define PWR_STATUS_MFG_ASYNC … #define PWR_STATUS_AUDIO … #define PWR_STATUS_USB … #define PWR_STATUS_ETHSYS … #define PWR_STATUS_HIF0 … #define PWR_STATUS_HIF1 … #define PWR_STATUS_WB … enum clk_id { … }; static const char * const clk_names[] = …; #define MAX_CLKS … /** * struct scp_domain_data - scp domain data for power on/off flow * @name: The domain name. * @sta_mask: The mask for 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. * @bus_prot_mask: The mask for single step bus protection. * @clk_id: The basic clocks required by this power domain. * @caps: The flag for active wake-up action. */ struct scp_domain_data { … }; struct scp; struct scp_domain { … }; struct scp_ctrl_reg { … }; struct scp { … }; struct scp_subdomain { … }; struct scp_soc_data { … }; static int scpsys_domain_is_on(struct scp_domain *scpd) { … } static int scpsys_regulator_enable(struct scp_domain *scpd) { … } static int scpsys_regulator_disable(struct scp_domain *scpd) { … } static void scpsys_clk_disable(struct clk *clk[], int max_num) { … } static int scpsys_clk_enable(struct clk *clk[], int max_num) { … } static int scpsys_sram_enable(struct scp_domain *scpd, void __iomem *ctl_addr) { … } static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr) { … } static int scpsys_bus_protect_enable(struct scp_domain *scpd) { … } static int scpsys_bus_protect_disable(struct scp_domain *scpd) { … } static int scpsys_power_on(struct generic_pm_domain *genpd) { … } static int scpsys_power_off(struct generic_pm_domain *genpd) { … } static void init_clks(struct platform_device *pdev, struct clk **clk) { … } static struct scp *init_scp(struct platform_device *pdev, const struct scp_domain_data *scp_domain_data, int num, const struct scp_ctrl_reg *scp_ctrl_reg, bool bus_prot_reg_update) { … } static void mtk_register_power_domains(struct platform_device *pdev, struct scp *scp, int num) { … } /* * MT2701 power domain support */ static const struct scp_domain_data scp_domain_data_mt2701[] = …; /* * MT2712 power domain support */ static const struct scp_domain_data scp_domain_data_mt2712[] = …; static const struct scp_subdomain scp_subdomain_mt2712[] = …; /* * MT6797 power domain support */ static const struct scp_domain_data scp_domain_data_mt6797[] = …; #define SPM_PWR_STATUS_MT6797 … #define SPM_PWR_STATUS_2ND_MT6797 … static const struct scp_subdomain scp_subdomain_mt6797[] = …; /* * MT7622 power domain support */ static const struct scp_domain_data scp_domain_data_mt7622[] = …; /* * MT7623A power domain support */ static const struct scp_domain_data scp_domain_data_mt7623a[] = …; /* * MT8173 power domain support */ static const struct scp_domain_data scp_domain_data_mt8173[] = …; static const struct scp_subdomain scp_subdomain_mt8173[] = …; static const struct scp_soc_data mt2701_data = …; static const struct scp_soc_data mt2712_data = …; static const struct scp_soc_data mt6797_data = …; static const struct scp_soc_data mt7622_data = …; static const struct scp_soc_data mt7623a_data = …; static const struct scp_soc_data mt8173_data = …; /* * scpsys driver init */ static const struct of_device_id of_scpsys_match_tbl[] = …; static int scpsys_probe(struct platform_device *pdev) { … } static struct platform_driver scpsys_drv = …; builtin_platform_driver(…) …;
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