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 vdec0_cg_regs = { 15 .set_ofs = 0x0, 16 .clr_ofs = 0x4, 17 .sta_ofs = 0x0, 18 }; 19 20 static const struct mtk_gate_regs vdec1_cg_regs = { 21 .set_ofs = 0x200, 22 .clr_ofs = 0x204, 23 .sta_ofs = 0x200, 24 }; 25 26 static const struct mtk_gate_regs vdec2_cg_regs = { 27 .set_ofs = 0x8, 28 .clr_ofs = 0xc, 29 .sta_ofs = 0x8, 30 }; 31 32 #define GATE_VDEC0(_id, _name, _parent, _shift) \ 33 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 34 35 #define GATE_VDEC1(_id, _name, _parent, _shift) \ 36 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 37 38 #define GATE_VDEC2(_id, _name, _parent, _shift) \ 39 GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 40 41 static const struct mtk_gate vdec1_clks[] = { 42 /* VDEC1_0 */ 43 GATE_VDEC0(CLK_VDEC1_SOC_VDEC, "vdec1_soc_vdec", "top_vdec", 0), 44 GATE_VDEC0(CLK_VDEC1_SOC_VDEC_ACTIVE, "vdec1_soc_vdec_active", "top_vdec", 4), 45 GATE_VDEC0(CLK_VDEC1_SOC_VDEC_ENG, "vdec1_soc_vdec_eng", "top_vdec", 8), 46 /* VDEC1_1 */ 47 GATE_VDEC1(CLK_VDEC1_SOC_LAT, "vdec1_soc_lat", "top_vdec", 0), 48 GATE_VDEC1(CLK_VDEC1_SOC_LAT_ACTIVE, "vdec1_soc_lat_active", "top_vdec", 4), 49 GATE_VDEC1(CLK_VDEC1_SOC_LAT_ENG, "vdec1_soc_lat_eng", "top_vdec", 8), 50 /* VDEC1_2 */ 51 GATE_VDEC2(CLK_VDEC1_SOC_LARB1, "vdec1_soc_larb1", "top_vdec", 0), 52 }; 53 54 static const struct mtk_gate vdec2_clks[] = { 55 /* VDEC2_0 */ 56 GATE_VDEC0(CLK_VDEC2_VDEC, "vdec2_vdec", "top_vdec", 0), 57 GATE_VDEC0(CLK_VDEC2_VDEC_ACTIVE, "vdec2_vdec_active", "top_vdec", 4), 58 GATE_VDEC0(CLK_VDEC2_VDEC_ENG, "vdec2_vdec_eng", "top_vdec", 8), 59 /* VDEC2_1 */ 60 GATE_VDEC1(CLK_VDEC2_LAT, "vdec2_lat", "top_vdec", 0), 61 /* VDEC2_2 */ 62 GATE_VDEC2(CLK_VDEC2_LARB1, "vdec2_larb1", "top_vdec", 0), 63 }; 64 65 static const struct mtk_clk_desc vdec1_desc = { 66 .clks = vdec1_clks, 67 .num_clks = ARRAY_SIZE(vdec1_clks), 68 }; 69 70 static const struct mtk_clk_desc vdec2_desc = { 71 .clks = vdec2_clks, 72 .num_clks = ARRAY_SIZE(vdec2_clks), 73 }; 74 75 static const struct of_device_id of_match_clk_mt8188_vdec[] = { 76 { .compatible = "mediatek,mt8188-vdecsys-soc", .data = &vdec1_desc }, 77 { .compatible = "mediatek,mt8188-vdecsys", .data = &vdec2_desc }, 78 { /* sentinel */ } 79 }; 80 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_vdec); 81 82 static struct platform_driver clk_mt8188_vdec_drv = { 83 .probe = mtk_clk_simple_probe, 84 .remove = mtk_clk_simple_remove, 85 .driver = { 86 .name = "clk-mt8188-vdec", 87 .of_match_table = of_match_clk_mt8188_vdec, 88 }, 89 }; 90 91 module_platform_driver(clk_mt8188_vdec_drv); 92 93 MODULE_DESCRIPTION("MediaTek MT8188 Video Decoders clocks driver"); 94 MODULE_LICENSE("GPL"); 95