| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Copyright (c) 2014 MediaTek Inc. |
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| 4 | * Copyright (c) 2022 Collabora Ltd. |
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| 5 | * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> |
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| 6 | */ |
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| 7 | |
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| 8 | #include <dt-bindings/clock/mt8173-clk.h> |
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| 9 | #include <linux/module.h> |
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| 10 | #include <linux/platform_device.h> |
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| 11 | #include "clk-gate.h" |
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| 12 | #include "clk-mtk.h" |
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| 13 | |
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| 14 | static const struct mtk_gate_regs venc_cg_regs = { |
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| 15 | .set_ofs = 0x4, |
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| 16 | .clr_ofs = 0x8, |
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| 17 | .sta_ofs = 0x0, |
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| 18 | }; |
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| 19 | |
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| 20 | #define GATE_VENC(_id, _name, _parent, _shift) \ |
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| 21 | GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) |
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| 22 | |
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| 23 | static const struct mtk_gate venc_clks[] = { |
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| 24 | GATE_DUMMY(CLK_DUMMY, "venc_dummy" ), |
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| 25 | GATE_VENC(CLK_VENC_CKE0, "venc_cke0" , "mm_sel" , 0), |
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| 26 | GATE_VENC(CLK_VENC_CKE1, "venc_cke1" , "venc_sel" , 4), |
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| 27 | GATE_VENC(CLK_VENC_CKE2, "venc_cke2" , "venc_sel" , 8), |
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| 28 | GATE_VENC(CLK_VENC_CKE3, "venc_cke3" , "venc_sel" , 12), |
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| 29 | }; |
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| 30 | |
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| 31 | static const struct mtk_gate venclt_clks[] = { |
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| 32 | GATE_DUMMY(CLK_DUMMY, "venclt_dummy" ), |
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| 33 | GATE_VENC(CLK_VENCLT_CKE0, "venclt_cke0" , "mm_sel" , 0), |
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| 34 | GATE_VENC(CLK_VENCLT_CKE1, "venclt_cke1" , "venclt_sel" , 4), |
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| 35 | }; |
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| 36 | |
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| 37 | static const struct mtk_clk_desc venc_desc = { |
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| 38 | .clks = venc_clks, |
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| 39 | .num_clks = ARRAY_SIZE(venc_clks), |
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| 40 | }; |
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| 41 | |
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| 42 | static const struct mtk_clk_desc venc_lt_desc = { |
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| 43 | .clks = venclt_clks, |
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| 44 | .num_clks = ARRAY_SIZE(venclt_clks), |
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| 45 | }; |
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| 46 | |
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| 47 | static const struct of_device_id of_match_clk_mt8173_vencsys[] = { |
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| 48 | { .compatible = "mediatek,mt8173-vencsys" , .data = &venc_desc }, |
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| 49 | { .compatible = "mediatek,mt8173-vencltsys" , .data = &venc_lt_desc }, |
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| 50 | { /* sentinel */ } |
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| 51 | }; |
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| 52 | MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_vencsys); |
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| 53 | |
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| 54 | static struct platform_driver clk_mt8173_vencsys_drv = { |
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| 55 | .driver = { |
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| 56 | .name = "clk-mt8173-vencsys" , |
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| 57 | .of_match_table = of_match_clk_mt8173_vencsys, |
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| 58 | }, |
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| 59 | .probe = mtk_clk_simple_probe, |
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| 60 | .remove_new = mtk_clk_simple_remove, |
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| 61 | }; |
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| 62 | module_platform_driver(clk_mt8173_vencsys_drv); |
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| 63 | |
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| 64 | MODULE_DESCRIPTION("MediaTek MT8173 vencsys clocks driver" ); |
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| 65 | MODULE_LICENSE("GPL" ); |
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| 66 | |
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