drivers/interconnect/mediatek/mt8196.c

Source file repositories/reference/linux-study-clean/drivers/interconnect/mediatek/mt8196.c

File Facts

System
Linux kernel
Corpus path
drivers/interconnect/mediatek/mt8196.c
Extension
.c
Size
7746 bytes
Lines
384
Domain
Driver Families
Bucket
drivers/interconnect
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
/*
 * Copyright (c) 2025 Collabora Ltd.
 *                    AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 */

#include <linux/device.h>
#include <linux/interconnect.h>
#include <linux/interconnect-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <dt-bindings/interconnect/mediatek,mt8196.h>

#include "icc-emi.h"

static struct mtk_icc_node ddr_emi = {
	.name = "ddr-emi",
	.id = SLAVE_DDR_EMI,
	.ep = 1,
};

static struct mtk_icc_node mcusys = {
	.name = "mcusys",
	.id = MASTER_MCUSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mcu_port0 = {
	.name = "mcu-port0",
	.id = MASTER_MCU_0,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mcu_port1 = {
	.name = "mcu-port1",
	.id = MASTER_MCU_1,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mcu_port2 = {
	.name = "mcu-port2",
	.id = MASTER_MCU_2,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mcu_port3 = {
	.name = "mcu-port3",
	.id = MASTER_MCU_3,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mcu_port4 = {
	.name = "mcu-port4",
	.id = MASTER_MCU_4,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node gpu = {
	.name = "gpu",
	.id = MASTER_GPUSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mmsys = {
	.name = "mmsys",
	.id = MASTER_MMSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mm_vpu = {
	.name = "mm-vpu",
	.id = MASTER_MM_VPU,
	.ep = 0,

Annotation

Implementation Notes