drivers/clk/mediatek/clk-mt8192-cam.c

   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/of_device.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
  99 static struct platform_driver clk_mt8192_cam_drv = {
 100         .probe = mtk_clk_simple_probe,
 101         .driver = {
 102                 .name = "clk-mt8192-cam",
 103                 .of_match_table = of_match_clk_mt8192_cam,
 104         },
 105 };
 106
 107 builtin_platform_driver(clk_mt8192_cam_drv);