drivers/clk/mediatek/clk-mt8186-cam.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2022 MediaTek Inc.
   4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8 #include <dt-bindings/clock/mt8186-clk.h>
   9
  10 #include "clk-gate.h"
  11 #include "clk-mtk.h"
  12
  13 static const struct mtk_gate_regs cam_cg_regs = {
  14         .set_ofs = 0x4,
  15         .clr_ofs = 0x8,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 #define GATE_CAM(_id, _name, _parent, _shift)                   \
  20         GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  21
  22 static const struct mtk_gate cam_clks[] = {
  23         GATE_CAM(CLK_CAM_LARB13, "cam_larb13", "top_cam", 0),
  24         GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "top_cam", 1),
  25         GATE_CAM(CLK_CAM_LARB14, "cam_larb14", "top_cam", 2),
  26         GATE_CAM(CLK_CAM, "cam", "top_cam", 6),
  27         GATE_CAM(CLK_CAMTG, "camtg", "top_cam", 7),
  28         GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "top_cam", 8),
  29         GATE_CAM(CLK_CAMSV1, "camsv1", "top_cam", 10),
  30         GATE_CAM(CLK_CAMSV2, "camsv2", "top_cam", 11),
  31         GATE_CAM(CLK_CAMSV3, "camsv3", "top_cam", 12),
  32         GATE_CAM(CLK_CAM_CCU0, "cam_ccu0", "top_cam", 13),
  33         GATE_CAM(CLK_CAM_CCU1, "cam_ccu1", "top_cam", 14),
  34         GATE_CAM(CLK_CAM_MRAW0, "cam_mraw0", "top_cam", 15),
  35         GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "top_cam", 17),
  36         GATE_CAM(CLK_CAM_CCU_GALS, "cam_ccu_gals", "top_cam", 18),
  37         GATE_CAM(CLK_CAM2MM_GALS, "cam2mm_gals", "top_cam", 19),
  38 };
  39
  40 static const struct mtk_gate cam_rawa_clks[] = {
  41         GATE_CAM(CLK_CAM_RAWA_LARBX_RAWA, "cam_rawa_larbx_rawa", "top_cam", 0),
  42         GATE_CAM(CLK_CAM_RAWA, "cam_rawa", "top_cam", 1),
  43         GATE_CAM(CLK_CAM_RAWA_CAMTG_RAWA, "cam_rawa_camtg_rawa", "top_cam", 2),
  44 };
  45
  46 static const struct mtk_gate cam_rawb_clks[] = {
  47         GATE_CAM(CLK_CAM_RAWB_LARBX_RAWB, "cam_rawb_larbx_rawb", "top_cam", 0),
  48         GATE_CAM(CLK_CAM_RAWB, "cam_rawb", "top_cam", 1),
  49         GATE_CAM(CLK_CAM_RAWB_CAMTG_RAWB, "cam_rawb_camtg_rawb", "top_cam", 2),
  50 };
  51
  52 static const struct mtk_clk_desc cam_desc = {
  53         .clks = cam_clks,
  54         .num_clks = ARRAY_SIZE(cam_clks),
  55 };
  56
  57 static const struct mtk_clk_desc cam_rawa_desc = {
  58         .clks = cam_rawa_clks,
  59         .num_clks = ARRAY_SIZE(cam_rawa_clks),
  60 };
  61
  62 static const struct mtk_clk_desc cam_rawb_desc = {
  63         .clks = cam_rawb_clks,
  64         .num_clks = ARRAY_SIZE(cam_rawb_clks),
  65 };
  66
  67 static const struct of_device_id of_match_clk_mt8186_cam[] = {
  68         {
  69                 .compatible = "mediatek,mt8186-camsys",
  70                 .data = &cam_desc,
  71         }, {
  72                 .compatible = "mediatek,mt8186-camsys_rawa",
  73                 .data = &cam_rawa_desc,
  74         }, {
  75                 .compatible = "mediatek,mt8186-camsys_rawb",
  76                 .data = &cam_rawb_desc,
  77         }, {
  78                 /* sentinel */
  79         }
  80 };
  81 MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_cam);
  82
  83 static struct platform_driver clk_mt8186_cam_drv = {
  84         .probe = mtk_clk_simple_probe,
  85         .remove_new = mtk_clk_simple_remove,
  86         .driver = {
  87                 .name = "clk-mt8186-cam",
  88                 .of_match_table = of_match_clk_mt8186_cam,
  89         },
  90 };
  91 module_platform_driver(clk_mt8186_cam_drv);
  92 MODULE_LICENSE("GPL");