1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Renesas RZ System Controller 4 * 5 * Copyright (C) 2024 Renesas Electronics Corp. 6 */ 7 8 #ifndef __SOC_RENESAS_RZ_SYSC_H__ 9 #define __SOC_RENESAS_RZ_SYSC_H__ 10 11 #include <linux/device.h> 12 #include <linux/sys_soc.h> 13 #include <linux/types.h> 14 15 /** 16 * struct rz_syc_soc_id_init_data - RZ SYSC SoC identification initialization data 17 * @family: RZ SoC family 18 * @id: RZ SoC expected ID 19 * @devid_offset: SYSC SoC ID register offset 20 * @revision_mask: SYSC SoC ID revision mask 21 * @specific_id_mask: SYSC SoC ID specific ID mask 22 * @print_id: print SoC-specific extended device identification 23 */ 24 struct rz_sysc_soc_id_init_data { 25 const char * const family; 26 u32 id; 27 u32 devid_offset; 28 u32 revision_mask; 29 u32 specific_id_mask; 30 void (*print_id)(struct device *dev, void __iomem *sysc_base, 31 struct soc_device_attribute *soc_dev_attr); 32 }; 33 34 /** 35 * struct rz_sysc_init_data - RZ SYSC initialization data 36 * @soc_id_init_data: RZ SYSC SoC ID initialization data 37 * @writeable_reg: Regmap writeable register check function 38 * @readable_reg: Regmap readable register check function 39 * @max_register: Maximum SYSC register offset to be used by the regmap config 40 */ 41 struct rz_sysc_init_data { 42 const struct rz_sysc_soc_id_init_data *soc_id_init_data; 43 bool (*writeable_reg)(struct device *dev, unsigned int reg); 44 bool (*readable_reg)(struct device *dev, unsigned int reg); 45 u32 max_register; 46 }; 47 48 extern const struct rz_sysc_init_data rzg3e_sys_init_data; 49 extern const struct rz_sysc_init_data rzg3s_sysc_init_data; 50 extern const struct rz_sysc_init_data rzv2h_sys_init_data; 51 extern const struct rz_sysc_init_data rzv2n_sys_init_data; 52 53 #endif /* __SOC_RENESAS_RZ_SYSC_H__ */ 54