drivers/pmdomain/renesas/r8a77960-sysc.c

Source file repositories/reference/linux-study-clean/drivers/pmdomain/renesas/r8a77960-sysc.c

File Facts

System
Linux kernel
Corpus path
drivers/pmdomain/renesas/r8a77960-sysc.c
Extension
.c
Size
1719 bytes
Lines
50
Domain
Driver Families
Bucket
drivers/pmdomain
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Renesas R-Car M3-W System Controller
 *
 * Copyright (C) 2016 Glider bvba
 * Copyright (C) 2018-2019 Renesas Electronics Corporation
 */

#include <linux/bits.h>
#include <linux/kernel.h>

#include <dt-bindings/power/r8a7796-sysc.h>

#include "rcar-sysc.h"

static const struct rcar_sysc_area r8a77960_areas[] __initconst = {
	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
	  PD_SCU },
	{ "ca57-cpu0",	 0x80, 0, R8A7796_PD_CA57_CPU0,	R8A7796_PD_CA57_SCU,
	  PD_CPU_NOCR },
	{ "ca57-cpu1",	 0x80, 1, R8A7796_PD_CA57_CPU1,	R8A7796_PD_CA57_SCU,
	  PD_CPU_NOCR },
	{ "ca53-scu",	0x140, 0, R8A7796_PD_CA53_SCU,	R8A7796_PD_ALWAYS_ON,
	  PD_SCU },
	{ "ca53-cpu0",	0x200, 0, R8A7796_PD_CA53_CPU0,	R8A7796_PD_CA53_SCU,
	  PD_CPU_NOCR },
	{ "ca53-cpu1",	0x200, 1, R8A7796_PD_CA53_CPU1,	R8A7796_PD_CA53_SCU,
	  PD_CPU_NOCR },
	{ "ca53-cpu2",	0x200, 2, R8A7796_PD_CA53_CPU2,	R8A7796_PD_CA53_SCU,
	  PD_CPU_NOCR },
	{ "ca53-cpu3",	0x200, 3, R8A7796_PD_CA53_CPU3,	R8A7796_PD_CA53_SCU,
	  PD_CPU_NOCR },
	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON,
	  PD_OFF_DELAY },
	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON,
	  PD_OFF_DELAY },
};


const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
	.areas = r8a77960_areas,
	.num_areas = ARRAY_SIZE(r8a77960_areas),
};

Annotation

Implementation Notes