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Add SoC identification for the RZ/G3L SoC using the System Controller (SYSC) block. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20260203103031.247435-5-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Renesas RZ System Controller
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*
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* Copyright (C) 2024 Renesas Electronics Corp.
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*/
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#ifndef __SOC_RENESAS_RZ_SYSC_H__
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#define __SOC_RENESAS_RZ_SYSC_H__
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#include <linux/device.h>
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#include <linux/sys_soc.h>
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#include <linux/types.h>
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/**
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* struct rz_syc_soc_id_init_data - RZ SYSC SoC identification initialization data
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* @family: RZ SoC family
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* @id: RZ SoC expected ID
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* @devid_offset: SYSC SoC ID register offset
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* @revision_mask: SYSC SoC ID revision mask
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* @specific_id_mask: SYSC SoC ID specific ID mask
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* @print_id: print SoC-specific extended device identification
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*/
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struct rz_sysc_soc_id_init_data {
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const char * const family;
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u32 id;
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u32 devid_offset;
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u32 revision_mask;
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u32 specific_id_mask;
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void (*print_id)(struct device *dev, void __iomem *sysc_base,
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struct soc_device_attribute *soc_dev_attr);
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};
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/**
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* struct rz_sysc_init_data - RZ SYSC initialization data
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* @soc_id_init_data: RZ SYSC SoC ID initialization data
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* @writeable_reg: Regmap writeable register check function
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* @readable_reg: Regmap readable register check function
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* @max_register: Maximum SYSC register offset to be used by the regmap config
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*/
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struct rz_sysc_init_data {
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const struct rz_sysc_soc_id_init_data *soc_id_init_data;
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bool (*writeable_reg)(struct device *dev, unsigned int reg);
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bool (*readable_reg)(struct device *dev, unsigned int reg);
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u32 max_register;
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};
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extern const struct rz_sysc_init_data rzg3e_sys_init_data;
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extern const struct rz_sysc_init_data rzg3l_sysc_init_data;
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extern const struct rz_sysc_init_data rzg3s_sysc_init_data;
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extern const struct rz_sysc_init_data rzv2h_sys_init_data;
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extern const struct rz_sysc_init_data rzv2n_sys_init_data;
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#endif /* __SOC_RENESAS_RZ_SYSC_H__ */
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