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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2022 MediaTek Inc.4 * Author: Garmin Chang <garmin.chang@mediatek.com>5 */6 7#include <dt-bindings/clock/mediatek,mt8188-clk.h>8#include <linux/clk-provider.h>9#include <linux/platform_device.h>10 11#include "clk-gate.h"12#include "clk-mtk.h"13 14static const struct mtk_gate_regs ccu_cg_regs = {15 .set_ofs = 0x4,16 .clr_ofs = 0x8,17 .sta_ofs = 0x0,18};19 20#define GATE_CCU(_id, _name, _parent, _shift) \21 GATE_MTK(_id, _name, _parent, &ccu_cg_regs, _shift, &mtk_clk_gate_ops_setclr)22 23static const struct mtk_gate ccu_clks[] = {24 GATE_CCU(CLK_CCU_LARB27, "ccu_larb27", "top_ccu", 0),25 GATE_CCU(CLK_CCU_AHB, "ccu_ahb", "top_ccu", 1),26 GATE_CCU(CLK_CCU_CCU0, "ccu_ccu0", "top_ccu", 2),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_mt8188_ccu[] = {35 { .compatible = "mediatek,mt8188-ccusys", .data = &ccu_desc },36 { /* sentinel */ }37};38MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ccu);39 40static struct platform_driver clk_mt8188_ccu_drv = {41 .probe = mtk_clk_simple_probe,42 .remove = mtk_clk_simple_remove,43 .driver = {44 .name = "clk-mt8188-ccu",45 .of_match_table = of_match_clk_mt8188_ccu,46 },47};48module_platform_driver(clk_mt8188_ccu_drv);49 50MODULE_DESCRIPTION("MediaTek MT8188 Camera Control Unit clocks driver");51MODULE_LICENSE("GPL");52