drivers/clk/mediatek/clk-mt8188-topckgen.c

Source file repositories/reference/linux-study-clean/drivers/clk/mediatek/clk-mt8188-topckgen.c

File Facts

System
Linux kernel
Corpus path
drivers/clk/mediatek/clk-mt8188-topckgen.c
Extension
.c
Size
38016 bytes
Lines
1363
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) 2022 MediaTek Inc.
 * Author: Garmin Chang <garmin.chang@mediatek.com>
 */

#include <dt-bindings/clock/mediatek,mt8188-clk.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>

#include "clk-gate.h"
#include "clk-mtk.h"
#include "clk-mux.h"

static DEFINE_SPINLOCK(mt8188_clk_lock);

static const struct mtk_fixed_clk top_fixed_clks[] = {
	FIXED_CLK(CLK_TOP_ULPOSC1, "ulposc_ck1", NULL, 260000000),
	FIXED_CLK(CLK_TOP_MPHONE_SLAVE_BCK, "mphone_slave_bck", NULL, 49152000),
	FIXED_CLK(CLK_TOP_PAD_FPC, "pad_fpc_ck", NULL, 50000000),
	FIXED_CLK(CLK_TOP_466M_FMEM, "hd_466m_fmem_ck", NULL, 533000000),
	FIXED_CLK(CLK_TOP_PEXTP_PIPE, "pextp_pipe", NULL, 250000000),
	FIXED_CLK(CLK_TOP_DSI_PHY, "dsi_phy", NULL, 500000000),
};

static const struct mtk_fixed_factor top_divs[] = {
	FACTOR(CLK_TOP_MAINPLL_D3, "mainpll_d3", "mainpll", 1, 3),
	FACTOR(CLK_TOP_MAINPLL_D4, "mainpll_d4", "mainpll", 1, 4),
	FACTOR(CLK_TOP_MAINPLL_D4_D2, "mainpll_d4_d2", "mainpll_d4", 1, 2),
	FACTOR(CLK_TOP_MAINPLL_D4_D4, "mainpll_d4_d4", "mainpll_d4", 1, 4),
	FACTOR(CLK_TOP_MAINPLL_D4_D8, "mainpll_d4_d8", "mainpll_d4", 1, 8),
	FACTOR(CLK_TOP_MAINPLL_D5, "mainpll_d5", "mainpll", 1, 5),
	FACTOR(CLK_TOP_MAINPLL_D5_D2, "mainpll_d5_d2", "mainpll_d5", 1, 2),
	FACTOR(CLK_TOP_MAINPLL_D5_D4, "mainpll_d5_d4", "mainpll_d5", 1, 4),
	FACTOR(CLK_TOP_MAINPLL_D5_D8, "mainpll_d5_d8", "mainpll_d5", 1, 8),
	FACTOR(CLK_TOP_MAINPLL_D6, "mainpll_d6", "mainpll", 1, 6),
	FACTOR(CLK_TOP_MAINPLL_D6_D2, "mainpll_d6_d2", "mainpll_d6", 1, 2),
	FACTOR(CLK_TOP_MAINPLL_D6_D4, "mainpll_d6_d4", "mainpll_d6", 1, 4),
	FACTOR(CLK_TOP_MAINPLL_D6_D8, "mainpll_d6_d8", "mainpll_d6", 1, 8),
	FACTOR(CLK_TOP_MAINPLL_D7, "mainpll_d7", "mainpll", 1, 7),
	FACTOR(CLK_TOP_MAINPLL_D7_D2, "mainpll_d7_d2", "mainpll_d7", 1, 2),
	FACTOR(CLK_TOP_MAINPLL_D7_D4, "mainpll_d7_d4", "mainpll_d7", 1, 4),
	FACTOR(CLK_TOP_MAINPLL_D7_D8, "mainpll_d7_d8", "mainpll_d7", 1, 8),
	FACTOR(CLK_TOP_MAINPLL_D9, "mainpll_d9", "mainpll", 1, 9),
	FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univpll", 1, 2),
	FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3),
	FACTOR(CLK_TOP_UNIVPLL_D4, "univpll_d4", "univpll", 1, 4),
	FACTOR(CLK_TOP_UNIVPLL_D4_D2, "univpll_d4_d2", "univpll_d4", 1, 2),
	FACTOR(CLK_TOP_UNIVPLL_D4_D4, "univpll_d4_d4", "univpll_d4", 1, 4),
	FACTOR(CLK_TOP_UNIVPLL_D4_D8, "univpll_d4_d8", "univpll_d4", 1, 8),
	FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5),
	FACTOR(CLK_TOP_UNIVPLL_D5_D2, "univpll_d5_d2", "univpll_d5", 1, 2),
	FACTOR(CLK_TOP_UNIVPLL_D5_D4, "univpll_d5_d4", "univpll_d5", 1, 4),
	FACTOR(CLK_TOP_UNIVPLL_D5_D8, "univpll_d5_d8", "univpll_d5", 1, 8),
	FACTOR(CLK_TOP_UNIVPLL_D6, "univpll_d6", "univpll", 1, 6),
	FACTOR(CLK_TOP_UNIVPLL_D6_D2, "univpll_d6_d2", "univpll_d6", 1, 2),
	FACTOR(CLK_TOP_UNIVPLL_D6_D4, "univpll_d6_d4", "univpll_d6", 1, 4),
	FACTOR(CLK_TOP_UNIVPLL_D6_D8, "univpll_d6_d8", "univpll_d6", 1, 8),
	FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7),
	FACTOR(CLK_TOP_UNIVPLL_192M, "univpll_192m", "univpll", 1, 13),
	FACTOR(CLK_TOP_UNIVPLL_192M_D4, "univpll_192m_d4", "univpll_192m", 1, 4),
	FACTOR(CLK_TOP_UNIVPLL_192M_D8, "univpll_192m_d8", "univpll_192m", 1, 8),
	FACTOR(CLK_TOP_UNIVPLL_192M_D10, "univpll_192m_d10", "univpll_192m", 1, 10),
	FACTOR(CLK_TOP_UNIVPLL_192M_D16, "univpll_192m_d16", "univpll_192m", 1, 16),
	FACTOR(CLK_TOP_UNIVPLL_192M_D32, "univpll_192m_d32", "univpll_192m", 1, 32),
	FACTOR(CLK_TOP_APLL1_D3, "apll1_d3", "apll1", 1, 3),
	FACTOR(CLK_TOP_APLL1_D4, "apll1_d4", "apll1", 1, 4),
	FACTOR(CLK_TOP_APLL2_D3, "apll2_d3", "apll2", 1, 3),
	FACTOR(CLK_TOP_APLL2_D4, "apll2_d4", "apll2", 1, 4),
	FACTOR(CLK_TOP_APLL3_D4, "apll3_d4", "apll3", 1, 4),
	FACTOR(CLK_TOP_APLL4_D4, "apll4_d4", "apll4", 1, 4),
	FACTOR(CLK_TOP_APLL5_D4, "apll5_d4", "apll5", 1, 4),
	FACTOR(CLK_TOP_MMPLL_D4, "mmpll_d4", "mmpll", 1, 4),
	FACTOR(CLK_TOP_MMPLL_D4_D2, "mmpll_d4_d2", "mmpll_d4", 1, 2),
	FACTOR(CLK_TOP_MMPLL_D5, "mmpll_d5", "mmpll", 1, 5),
	FACTOR(CLK_TOP_MMPLL_D5_D2, "mmpll_d5_d2", "mmpll_d5", 1, 2),
	FACTOR(CLK_TOP_MMPLL_D5_D4, "mmpll_d5_d4", "mmpll_d5", 1, 4),
	FACTOR(CLK_TOP_MMPLL_D6, "mmpll_d6", "mmpll", 1, 6),
	FACTOR(CLK_TOP_MMPLL_D6_D2, "mmpll_d6_d2", "mmpll_d6", 1, 2),
	FACTOR(CLK_TOP_MMPLL_D7, "mmpll_d7", "mmpll", 1, 7),
	FACTOR(CLK_TOP_MMPLL_D9, "mmpll_d9", "mmpll", 1, 9),
	FACTOR(CLK_TOP_TVDPLL1_D2, "tvdpll1_d2", "tvdpll1", 1, 2),
	FACTOR(CLK_TOP_TVDPLL1_D4, "tvdpll1_d4", "tvdpll1", 1, 4),
	FACTOR(CLK_TOP_TVDPLL1_D8, "tvdpll1_d8", "tvdpll1", 1, 8),
	FACTOR(CLK_TOP_TVDPLL1_D16, "tvdpll1_d16", "tvdpll1", 1, 16),
	FACTOR(CLK_TOP_TVDPLL2_D2, "tvdpll2_d2", "tvdpll2", 1, 2),
	FACTOR(CLK_TOP_TVDPLL2_D4, "tvdpll2_d4", "tvdpll2", 1, 4),
	FACTOR(CLK_TOP_TVDPLL2_D8, "tvdpll2_d8", "tvdpll2", 1, 8),
	FACTOR(CLK_TOP_TVDPLL2_D16, "tvdpll2_d16", "tvdpll2", 1, 16),
	FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2),

Annotation

Implementation Notes