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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright (c) 2021 MediaTek Inc.4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>5 6#include "clk-gate.h"7#include "clk-mtk.h"8 9#include <dt-bindings/clock/mt8195-clk.h>10#include <linux/clk-provider.h>11#include <linux/platform_device.h>12 13static const struct mtk_gate_regs ccu_cg_regs = {14 .set_ofs = 0x4,15 .clr_ofs = 0x8,16 .sta_ofs = 0x0,17};18 19#define GATE_CCU(_id, _name, _parent, _shift) \20 GATE_MTK(_id, _name, _parent, &ccu_cg_regs, _shift, &mtk_clk_gate_ops_setclr)21 22static const struct mtk_gate ccu_clks[] = {23 GATE_CCU(CLK_CCU_LARB18, "ccu_larb18", "top_ccu", 0),24 GATE_CCU(CLK_CCU_AHB, "ccu_ahb", "top_ccu", 1),25 GATE_CCU(CLK_CCU_CCU0, "ccu_ccu0", "top_ccu", 2),26 GATE_CCU(CLK_CCU_CCU1, "ccu_ccu1", "top_ccu", 3),27};28 29static const struct mtk_clk_desc ccu_desc = {30 .clks = ccu_clks,31 .num_clks = ARRAY_SIZE(ccu_clks),32};33 34static const struct of_device_id of_match_clk_mt8195_ccu[] = {35 {36 .compatible = "mediatek,mt8195-ccusys",37 .data = &ccu_desc,38 }, {39 /* sentinel */40 }41};42MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_ccu);43 44static struct platform_driver clk_mt8195_ccu_drv = {45 .probe = mtk_clk_simple_probe,46 .remove = mtk_clk_simple_remove,47 .driver = {48 .name = "clk-mt8195-ccu",49 .of_match_table = of_match_clk_mt8195_ccu,50 },51};52module_platform_driver(clk_mt8195_ccu_drv);53 54MODULE_DESCRIPTION("MediaTek MT8195 Camera Control Unit clocks driver");55MODULE_LICENSE("GPL");56