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 cam_cg_regs = { 15 .set_ofs = 0x4, 16 .clr_ofs = 0x8, 17 .sta_ofs = 0x0, 18 }; 19 20 #define GATE_CAM(_id, _name, _parent, _shift) \ 21 GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 22 23 #define CAM_SYS_SMI_LARB_RST_OFF (0xA0) 24 25 static const struct mtk_gate cam_main_clks[] = { 26 GATE_CAM(CLK_CAM_MAIN_LARB13, "cam_main_larb13", "top_cam", 0), 27 GATE_CAM(CLK_CAM_MAIN_LARB14, "cam_main_larb14", "top_cam", 1), 28 GATE_CAM(CLK_CAM_MAIN_CAM, "cam_main_cam", "top_cam", 2), 29 GATE_CAM(CLK_CAM_MAIN_CAM_SUBA, "cam_main_cam_suba", "top_cam", 3), 30 GATE_CAM(CLK_CAM_MAIN_CAM_SUBB, "cam_main_cam_subb", "top_cam", 4), 31 GATE_CAM(CLK_CAM_MAIN_CAMTG, "cam_main_camtg", "top_cam", 7), 32 GATE_CAM(CLK_CAM_MAIN_SENINF, "cam_main_seninf", "top_cam", 8), 33 GATE_CAM(CLK_CAM_MAIN_GCAMSVA, "cam_main_gcamsva", "top_cam", 9), 34 GATE_CAM(CLK_CAM_MAIN_GCAMSVB, "cam_main_gcamsvb", "top_cam", 10), 35 GATE_CAM(CLK_CAM_MAIN_GCAMSVC, "cam_main_gcamsvc", "top_cam", 11), 36 GATE_CAM(CLK_CAM_MAIN_GCAMSVD, "cam_main_gcamsvd", "top_cam", 12), 37 GATE_CAM(CLK_CAM_MAIN_GCAMSVE, "cam_main_gcamsve", "top_cam", 13), 38 GATE_CAM(CLK_CAM_MAIN_GCAMSVF, "cam_main_gcamsvf", "top_cam", 14), 39 GATE_CAM(CLK_CAM_MAIN_GCAMSVG, "cam_main_gcamsvg", "top_cam", 15), 40 GATE_CAM(CLK_CAM_MAIN_GCAMSVH, "cam_main_gcamsvh", "top_cam", 16), 41 GATE_CAM(CLK_CAM_MAIN_GCAMSVI, "cam_main_gcamsvi", "top_cam", 17), 42 GATE_CAM(CLK_CAM_MAIN_GCAMSVJ, "cam_main_gcamsvj", "top_cam", 18), 43 GATE_CAM(CLK_CAM_MAIN_CAMSV_TOP, "cam_main_camsv", "top_cam", 19), 44 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_A, "cam_main_camsv_cq_a", "top_cam", 20), 45 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_B, "cam_main_camsv_cq_b", "top_cam", 21), 46 GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_C, "cam_main_camsv_cq_c", "top_cam", 22), 47 GATE_CAM(CLK_CAM_MAIN_FAKE_ENG, "cam_main_fake_eng", "top_cam", 28), 48 GATE_CAM(CLK_CAM_MAIN_CAM2MM0_GALS, "cam_main_cam2mm0_gals", "top_cam", 29), 49 GATE_CAM(CLK_CAM_MAIN_CAM2MM1_GALS, "cam_main_cam2mm1_gals", "top_cam", 30), 50 GATE_CAM(CLK_CAM_MAIN_CAM2SYS_GALS, "cam_main_cam2sys_gals", "top_cam", 31), 51 }; 52 53 static const struct mtk_gate cam_rawa_clks[] = { 54 GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "top_cam", 0), 55 GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "top_cam", 1), 56 GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "top_cam", 2), 57 }; 58 59 static const struct mtk_gate cam_rawb_clks[] = { 60 GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "top_cam", 0), 61 GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "top_cam", 1), 62 GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "top_cam", 2), 63 }; 64 65 static const struct mtk_gate cam_yuva_clks[] = { 66 GATE_CAM(CLK_CAM_YUVA_LARBX, "cam_yuva_larbx", "top_cam", 0), 67 GATE_CAM(CLK_CAM_YUVA_CAM, "cam_yuva_cam", "top_cam", 1), 68 GATE_CAM(CLK_CAM_YUVA_CAMTG, "cam_yuva_camtg", "top_cam", 2), 69 }; 70 71 static const struct mtk_gate cam_yuvb_clks[] = { 72 GATE_CAM(CLK_CAM_YUVB_LARBX, "cam_yuvb_larbx", "top_cam", 0), 73 GATE_CAM(CLK_CAM_YUVB_CAM, "cam_yuvb_cam", "top_cam", 1), 74 GATE_CAM(CLK_CAM_YUVB_CAMTG, "cam_yuvb_camtg", "top_cam", 2), 75 }; 76 77 /* Reset for SMI larb 16a/16b/17a/17b */ 78 static u16 cam_sys_rst_ofs[] = { 79 CAM_SYS_SMI_LARB_RST_OFF, 80 }; 81 82 static const struct mtk_clk_rst_desc cam_sys_rst_desc = { 83 .version = MTK_RST_SIMPLE, 84 .rst_bank_ofs = cam_sys_rst_ofs, 85 .rst_bank_nr = ARRAY_SIZE(cam_sys_rst_ofs), 86 }; 87 88 static const struct mtk_clk_desc cam_main_desc = { 89 .clks = cam_main_clks, 90 .num_clks = ARRAY_SIZE(cam_main_clks), 91 }; 92 93 static const struct mtk_clk_desc cam_rawa_desc = { 94 .clks = cam_rawa_clks, 95 .num_clks = ARRAY_SIZE(cam_rawa_clks), 96 .rst_desc = &cam_sys_rst_desc, 97 }; 98 99 static const struct mtk_clk_desc cam_rawb_desc = { 100 .clks = cam_rawb_clks, 101 .num_clks = ARRAY_SIZE(cam_rawb_clks), 102 .rst_desc = &cam_sys_rst_desc, 103 }; 104 105 static const struct mtk_clk_desc cam_yuva_desc = { 106 .clks = cam_yuva_clks, 107 .num_clks = ARRAY_SIZE(cam_yuva_clks), 108 .rst_desc = &cam_sys_rst_desc, 109 }; 110 111 static const struct mtk_clk_desc cam_yuvb_desc = { 112 .clks = cam_yuvb_clks, 113 .num_clks = ARRAY_SIZE(cam_yuvb_clks), 114 .rst_desc = &cam_sys_rst_desc, 115 }; 116 117 static const struct of_device_id of_match_clk_mt8188_cam[] = { 118 { .compatible = "mediatek,mt8188-camsys", .data = &cam_main_desc }, 119 { .compatible = "mediatek,mt8188-camsys-rawa", .data = &cam_rawa_desc }, 120 { .compatible = "mediatek,mt8188-camsys-rawb", .data = &cam_rawb_desc }, 121 { .compatible = "mediatek,mt8188-camsys-yuva", .data = &cam_yuva_desc }, 122 { .compatible = "mediatek,mt8188-camsys-yuvb", .data = &cam_yuvb_desc }, 123 { /* sentinel */ } 124 }; 125 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_cam); 126 127 static struct platform_driver clk_mt8188_cam_drv = { 128 .probe = mtk_clk_simple_probe, 129 .remove = mtk_clk_simple_remove, 130 .driver = { 131 .name = "clk-mt8188-cam", 132 .of_match_table = of_match_clk_mt8188_cam, 133 }, 134 }; 135 module_platform_driver(clk_mt8188_cam_drv); 136 137 MODULE_DESCRIPTION("MediaTek MT8188 Camera clocks driver"); 138 MODULE_LICENSE("GPL"); 139