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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright (c) 2022 MediaTek Inc.4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>5 6#include <linux/clk-provider.h>7#include <linux/module.h>8#include <linux/platform_device.h>9 10#include "clk-mtk.h"11#include "clk-gate.h"12 13#include <dt-bindings/clock/mt8186-clk.h>14 15static const struct mtk_gate_regs vdec0_cg_regs = {16 .set_ofs = 0x0,17 .clr_ofs = 0x4,18 .sta_ofs = 0x0,19};20 21static const struct mtk_gate_regs vdec1_cg_regs = {22 .set_ofs = 0x190,23 .clr_ofs = 0x190,24 .sta_ofs = 0x190,25};26 27static const struct mtk_gate_regs vdec2_cg_regs = {28 .set_ofs = 0x200,29 .clr_ofs = 0x204,30 .sta_ofs = 0x200,31};32 33static const struct mtk_gate_regs vdec3_cg_regs = {34 .set_ofs = 0x8,35 .clr_ofs = 0xc,36 .sta_ofs = 0x8,37};38 39#define GATE_VDEC0(_id, _name, _parent, _shift) \40 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)41 42#define GATE_VDEC1(_id, _name, _parent, _shift) \43 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)44 45#define GATE_VDEC2(_id, _name, _parent, _shift) \46 GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)47 48#define GATE_VDEC3(_id, _name, _parent, _shift) \49 GATE_MTK(_id, _name, _parent, &vdec3_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)50 51static const struct mtk_gate vdec_clks[] = {52 /* VDEC0 */53 GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "top_vdec", 0),54 GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "top_vdec", 4),55 GATE_VDEC0(CLK_VDEC_CKEN_ENG, "vdec_cken_eng", "top_vdec", 8),56 /* VDEC1 */57 GATE_VDEC1(CLK_VDEC_MINI_MDP_CKEN_CFG_RG, "vdec_mini_mdp_cken_cfg_rg", "top_vdec", 0),58 /* VDEC2 */59 GATE_VDEC2(CLK_VDEC_LAT_CKEN, "vdec_lat_cken", "top_vdec", 0),60 GATE_VDEC2(CLK_VDEC_LAT_ACTIVE, "vdec_lat_active", "top_vdec", 4),61 GATE_VDEC2(CLK_VDEC_LAT_CKEN_ENG, "vdec_lat_cken_eng", "top_vdec", 8),62 /* VDEC3 */63 GATE_VDEC3(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "top_vdec", 0),64};65 66static const struct mtk_clk_desc vdec_desc = {67 .clks = vdec_clks,68 .num_clks = ARRAY_SIZE(vdec_clks),69};70 71static const struct of_device_id of_match_clk_mt8186_vdec[] = {72 {73 .compatible = "mediatek,mt8186-vdecsys",74 .data = &vdec_desc,75 }, {76 /* sentinel */77 }78};79MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_vdec);80 81static struct platform_driver clk_mt8186_vdec_drv = {82 .probe = mtk_clk_simple_probe,83 .remove = mtk_clk_simple_remove,84 .driver = {85 .name = "clk-mt8186-vdec",86 .of_match_table = of_match_clk_mt8186_vdec,87 },88};89module_platform_driver(clk_mt8186_vdec_drv);90 91MODULE_DESCRIPTION("MediaTek MT8186 Video Decoders clocks driver");92MODULE_LICENSE("GPL");93