drivers/pmdomain/renesas/r8a77965-sysc.c

Source file repositories/reference/linux-study-clean/drivers/pmdomain/renesas/r8a77965-sysc.c

File Facts

System
Linux kernel
Corpus path
drivers/pmdomain/renesas/r8a77965-sysc.c
Extension
.c
Size
1317 bytes
Lines
39
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-N System Controller
 * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
 *
 * Based on Renesas R-Car M3-W System Controller
 * Copyright (C) 2016 Glider bvba
 */

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

#include <dt-bindings/power/r8a77965-sysc.h>

#include "rcar-sysc.h"

static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
	{ "always-on",	    0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
	{ "ca57-scu",	0x1c0, 0, R8A77965_PD_CA57_SCU,	R8A77965_PD_ALWAYS_ON,
	  PD_SCU },
	{ "ca57-cpu0",	 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
	  PD_CPU_NOCR },
	{ "ca57-cpu1",	 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
	  PD_CPU_NOCR },
	{ "cr7",	0x240, 0, R8A77965_PD_CR7,	R8A77965_PD_ALWAYS_ON },
	{ "a3vc",	0x380, 0, R8A77965_PD_A3VC,	R8A77965_PD_ALWAYS_ON },
	{ "a3vp",	0x340, 0, R8A77965_PD_A3VP,	R8A77965_PD_ALWAYS_ON },
	{ "a2vc1",	0x3c0, 1, R8A77965_PD_A2VC1,	R8A77965_PD_A3VC },
	{ "3dg-a",	0x100, 0, R8A77965_PD_3DG_A,	R8A77965_PD_ALWAYS_ON },
	{ "3dg-b",	0x100, 1, R8A77965_PD_3DG_B,	R8A77965_PD_3DG_A },
};

const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
	.areas = r8a77965_areas,
	.num_areas = ARRAY_SIZE(r8a77965_areas),
	.extmask_offs = 0x2f8,
	.extmask_val = BIT(0),
};

Annotation

Implementation Notes