drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c

Source file repositories/reference/linux-study-clean/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c

File Facts

System
Linux kernel
Corpus path
drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
Extension
.c
Size
8264 bytes
Lines
272
Domain
Driver Families
Bucket
drivers/clk
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-only
/*
 * Copyright (c) 2016 Chen-Yu Tsai. All rights reserved.
 */

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/reset.h>

#include "ccu_common.h"
#include "ccu_div.h"
#include "ccu_gate.h"
#include "ccu_reset.h"

#include "ccu-sun9i-a80-de.h"

static SUNXI_CCU_GATE(fe0_clk,		"fe0",		"fe0-div",
		      0x00, BIT(0), 0);
static SUNXI_CCU_GATE(fe1_clk,		"fe1",		"fe1-div",
		      0x00, BIT(1), 0);
static SUNXI_CCU_GATE(fe2_clk,		"fe2",		"fe2-div",
		      0x00, BIT(2), 0);
static SUNXI_CCU_GATE(iep_deu0_clk,	"iep-deu0",	"de",
		      0x00, BIT(4), 0);
static SUNXI_CCU_GATE(iep_deu1_clk,	"iep-deu1",	"de",
		      0x00, BIT(5), 0);
static SUNXI_CCU_GATE(be0_clk,		"be0",		"be0-div",
		      0x00, BIT(8), 0);
static SUNXI_CCU_GATE(be1_clk,		"be1",		"be1-div",
		      0x00, BIT(9), 0);
static SUNXI_CCU_GATE(be2_clk,		"be2",		"be2-div",
		      0x00, BIT(10), 0);
static SUNXI_CCU_GATE(iep_drc0_clk,	"iep-drc0",	"de",
		      0x00, BIT(12), 0);
static SUNXI_CCU_GATE(iep_drc1_clk,	"iep-drc1",	"de",
		      0x00, BIT(13), 0);
static SUNXI_CCU_GATE(merge_clk,	"merge",	"de",
		      0x00, BIT(20), 0);

static SUNXI_CCU_GATE(dram_fe0_clk,	"dram-fe0",	"sdram",
		      0x04, BIT(0), 0);
static SUNXI_CCU_GATE(dram_fe1_clk,	"dram-fe1",	"sdram",
		      0x04, BIT(1), 0);
static SUNXI_CCU_GATE(dram_fe2_clk,	"dram-fe2",	"sdram",
		      0x04, BIT(2), 0);
static SUNXI_CCU_GATE(dram_deu0_clk,	"dram-deu0",	"sdram",
		      0x04, BIT(4), 0);
static SUNXI_CCU_GATE(dram_deu1_clk,	"dram-deu1",	"sdram",
		      0x04, BIT(5), 0);
static SUNXI_CCU_GATE(dram_be0_clk,	"dram-be0",	"sdram",
		      0x04, BIT(8), 0);
static SUNXI_CCU_GATE(dram_be1_clk,	"dram-be1",	"sdram",
		      0x04, BIT(9), 0);
static SUNXI_CCU_GATE(dram_be2_clk,	"dram-be2",	"sdram",
		      0x04, BIT(10), 0);
static SUNXI_CCU_GATE(dram_drc0_clk,	"dram-drc0",	"sdram",
		      0x04, BIT(12), 0);
static SUNXI_CCU_GATE(dram_drc1_clk,	"dram-drc1",	"sdram",
		      0x04, BIT(13), 0);

static SUNXI_CCU_GATE(bus_fe0_clk,	"bus-fe0",	"bus-de",
		      0x08, BIT(0), 0);
static SUNXI_CCU_GATE(bus_fe1_clk,	"bus-fe1",	"bus-de",
		      0x08, BIT(1), 0);
static SUNXI_CCU_GATE(bus_fe2_clk,	"bus-fe2",	"bus-de",
		      0x08, BIT(2), 0);
static SUNXI_CCU_GATE(bus_deu0_clk,	"bus-deu0",	"bus-de",
		      0x08, BIT(4), 0);
static SUNXI_CCU_GATE(bus_deu1_clk,	"bus-deu1",	"bus-de",
		      0x08, BIT(5), 0);
static SUNXI_CCU_GATE(bus_be0_clk,	"bus-be0",	"bus-de",
		      0x08, BIT(8), 0);
static SUNXI_CCU_GATE(bus_be1_clk,	"bus-be1",	"bus-de",
		      0x08, BIT(9), 0);
static SUNXI_CCU_GATE(bus_be2_clk,	"bus-be2",	"bus-de",
		      0x08, BIT(10), 0);
static SUNXI_CCU_GATE(bus_drc0_clk,	"bus-drc0",	"bus-de",
		      0x08, BIT(12), 0);
static SUNXI_CCU_GATE(bus_drc1_clk,	"bus-drc1",	"bus-de",
		      0x08, BIT(13), 0);

static SUNXI_CCU_M(fe0_div_clk, "fe0-div", "de", 0x20, 0, 4, 0);
static SUNXI_CCU_M(fe1_div_clk, "fe1-div", "de", 0x20, 4, 4, 0);
static SUNXI_CCU_M(fe2_div_clk, "fe2-div", "de", 0x20, 8, 4, 0);
static SUNXI_CCU_M(be0_div_clk, "be0-div", "de", 0x20, 16, 4, 0);
static SUNXI_CCU_M(be1_div_clk, "be1-div", "de", 0x20, 20, 4, 0);
static SUNXI_CCU_M(be2_div_clk, "be2-div", "de", 0x20, 24, 4, 0);

Annotation

Implementation Notes