1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 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 14 static 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 23 static 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 29 static const struct mtk_clk_desc ccu_desc = { 30 .clks = ccu_clks, 31 .num_clks = ARRAY_SIZE(ccu_clks), 32 }; 33 34 static const struct of_device_id of_match_clk_mt8188_ccu[] = { 35 { .compatible = "mediatek,mt8188-ccusys", .data = &ccu_desc }, 36 { /* sentinel */ } 37 }; 38 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ccu); 39 40 static 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 }; 48 module_platform_driver(clk_mt8188_ccu_drv); 49 50 MODULE_DESCRIPTION("MediaTek MT8188 Camera Control Unit clocks driver"); 51 MODULE_LICENSE("GPL"); 52