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Release 4.14 drivers/soc/renesas/rcar-sysc.h

/*
 * Renesas R-Car System Controller
 *
 * Copyright (C) 2016 Glider bvba
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 */
#ifndef __SOC_RENESAS_RCAR_SYSC_H__

#define __SOC_RENESAS_RCAR_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_CR	PD_CPU		  
/* CPU area has CR (R-Car H1) */

#define PD_CPU_NOCR	PD_CPU | PD_NO_CR 
/* CPU area lacks CR (R-Car Gen2/3) */

#define PD_ALWAYS_ON	PD_NO_CR	  
/* Always-on area */


/*
 * Description of a Power Area
 */


struct rcar_sysc_area {
	
const char *name;
	
u16 chan_offs;		/* Offset of PWRSR register for this area */
	
u8 chan_bit;		/* Bit in PWR* (except for PWRUP in PWRSR) */
	
u8 isr_bit;		/* Bit in SYSCI*R */
	
int parent;		/* -1 if none */
	
unsigned int flags;	/* See PD_* */
};


/*
 * SoC-specific Power Area Description
 */


struct rcar_sysc_info {
	
int (*init)(void);	/* Optional */
	
const struct rcar_sysc_area *areas;
	
unsigned int num_areas;
};

extern const struct rcar_sysc_info r8a7743_sysc_info;
extern const struct rcar_sysc_info r8a7745_sysc_info;
extern const struct rcar_sysc_info r8a7779_sysc_info;
extern const struct rcar_sysc_info r8a7790_sysc_info;
extern const struct rcar_sysc_info r8a7791_sysc_info;
extern const struct rcar_sysc_info r8a7792_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
extern const struct rcar_sysc_info r8a7795_sysc_info;
extern const struct rcar_sysc_info r8a7796_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;


    /*
     * Helpers for fixing up power area tables depending on SoC revision
     */

extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
			      unsigned int num_areas, u8 id);

#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven16290.00%969.23%
Sergei Shtylyov158.33%323.08%
Arnd Bergmann31.67%17.69%
Total180100.00%13100.00%
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