| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * R-Car Gen4 System Controller |
| * |
| * Copyright (C) 2021 Renesas Electronics Corp. |
| */ |
| #ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__ |
| #define __SOC_RENESAS_RCAR_GEN4_SYSC_H__ |
| |
| #include <linux/types.h> |
| |
| /* |
| * Power Domain flags |
| */ |
| #define PD_CPU BIT(0) /* Area contains main CPU core */ |
| #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ |
| #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ |
| |
| #define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */ |
| #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ |
| |
| /* |
| * Description of a Power Area |
| */ |
| struct rcar_gen4_sysc_area { |
| const char *name; |
| u8 pdr; /* PDRn */ |
| s8 parent; /* -1 if none */ |
| u8 flags; /* See PD_* */ |
| }; |
| |
| /* |
| * SoC-specific Power Area Description |
| */ |
| struct rcar_gen4_sysc_info { |
| const struct rcar_gen4_sysc_area *areas; |
| unsigned int num_areas; |
| }; |
| |
| extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info; |
| extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info; |
| extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info; |
| |
| #endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */ |