1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright (c) 2021 MediaTek Inc. 4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> 5 6 #include <linux/clk-provider.h> 7 #include <linux/mod_devicetable.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-mtk.h" 11 #include "clk-gate.h" 12 13 #include <dt-bindings/clock/mt8192-clk.h> 14 15 static const struct mtk_gate_regs cam_cg_regs = { 16 .set_ofs = 0x4, 17 .clr_ofs = 0x8, 18 .sta_ofs = 0x0, 19 }; 20 21 #define GATE_CAM(_id, _name, _parent, _shift) \ 22 GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 23 24 static const struct mtk_gate cam_clks[] = { 25 GATE_CAM(CLK_CAM_LARB13, "cam_larb13", "cam_sel", 0), 26 GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "cam_sel", 1), 27 GATE_CAM(CLK_CAM_LARB14, "cam_larb14", "cam_sel", 2), 28 GATE_CAM(CLK_CAM_CAM, "cam_cam", "cam_sel", 6), 29 GATE_CAM(CLK_CAM_CAMTG, "cam_camtg", "cam_sel", 7), 30 GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 8), 31 GATE_CAM(CLK_CAM_CAMSV0, "cam_camsv0", "cam_sel", 9), 32 GATE_CAM(CLK_CAM_CAMSV1, "cam_camsv1", "cam_sel", 10), 33 GATE_CAM(CLK_CAM_CAMSV2, "cam_camsv2", "cam_sel", 11), 34 GATE_CAM(CLK_CAM_CAMSV3, "cam_camsv3", "cam_sel", 12), 35 GATE_CAM(CLK_CAM_CCU0, "cam_ccu0", "cam_sel", 13), 36 GATE_CAM(CLK_CAM_CCU1, "cam_ccu1", "cam_sel", 14), 37 GATE_CAM(CLK_CAM_MRAW0, "cam_mraw0", "cam_sel", 15), 38 GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "cam_sel", 17), 39 GATE_CAM(CLK_CAM_CCU_GALS, "cam_ccu_gals", "cam_sel", 18), 40 GATE_CAM(CLK_CAM_CAM2MM_GALS, "cam2mm_gals", "cam_sel", 19), 41 }; 42 43 static const struct mtk_gate cam_rawa_clks[] = { 44 GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "cam_sel", 0), 45 GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "cam_sel", 1), 46 GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "cam_sel", 2), 47 }; 48 49 static const struct mtk_gate cam_rawb_clks[] = { 50 GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "cam_sel", 0), 51 GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "cam_sel", 1), 52 GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "cam_sel", 2), 53 }; 54 55 static const struct mtk_gate cam_rawc_clks[] = { 56 GATE_CAM(CLK_CAM_RAWC_LARBX, "cam_rawc_larbx", "cam_sel", 0), 57 GATE_CAM(CLK_CAM_RAWC_CAM, "cam_rawc_cam", "cam_sel", 1), 58 GATE_CAM(CLK_CAM_RAWC_CAMTG, "cam_rawc_camtg", "cam_sel", 2), 59 }; 60 61 static const struct mtk_clk_desc cam_desc = { 62 .clks = cam_clks, 63 .num_clks = ARRAY_SIZE(cam_clks), 64 }; 65 66 static const struct mtk_clk_desc cam_rawa_desc = { 67 .clks = cam_rawa_clks, 68 .num_clks = ARRAY_SIZE(cam_rawa_clks), 69 }; 70 71 static const struct mtk_clk_desc cam_rawb_desc = { 72 .clks = cam_rawb_clks, 73 .num_clks = ARRAY_SIZE(cam_rawb_clks), 74 }; 75 76 static const struct mtk_clk_desc cam_rawc_desc = { 77 .clks = cam_rawc_clks, 78 .num_clks = ARRAY_SIZE(cam_rawc_clks), 79 }; 80 81 static const struct of_device_id of_match_clk_mt8192_cam[] = { 82 { 83 .compatible = "mediatek,mt8192-camsys", 84 .data = &cam_desc, 85 }, { 86 .compatible = "mediatek,mt8192-camsys_rawa", 87 .data = &cam_rawa_desc, 88 }, { 89 .compatible = "mediatek,mt8192-camsys_rawb", 90 .data = &cam_rawb_desc, 91 }, { 92 .compatible = "mediatek,mt8192-camsys_rawc", 93 .data = &cam_rawc_desc, 94 }, { 95 /* sentinel */ 96 } 97 }; 98 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_cam); 99 100 static struct platform_driver clk_mt8192_cam_drv = { 101 .probe = mtk_clk_simple_probe, 102 .remove = mtk_clk_simple_remove, 103 .driver = { 104 .name = "clk-mt8192-cam", 105 .of_match_table = of_match_clk_mt8192_cam, 106 }, 107 }; 108 module_platform_driver(clk_mt8192_cam_drv); 109 110 MODULE_DESCRIPTION("MediaTek MT8192 Camera clocks driver"); 111 MODULE_LICENSE("GPL"); 112