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