drivers/clk/mediatek/clk-mt6765-cam.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018 MediaTek Inc.
   4  * Author: Owen Chen <owen.chen@mediatek.com>
   5  */
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt6765-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_LARB3, "cam_larb3", "mm_ck", 0),
  26         GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "mm_ck", 1),
  27         GATE_CAM(CLK_CAM, "cam", "mm_ck", 6),
  28         GATE_CAM(CLK_CAMTG, "camtg", "mm_ck", 7),
  29         GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "mm_ck", 8),
  30         GATE_CAM(CLK_CAMSV0, "camsv0", "mm_ck", 9),
  31         GATE_CAM(CLK_CAMSV1, "camsv1", "mm_ck", 10),
  32         GATE_CAM(CLK_CAMSV2, "camsv2", "mm_ck", 11),
  33         GATE_CAM(CLK_CAM_CCU, "cam_ccu", "mm_ck", 12),
  34 };
  35
  36 static const struct mtk_clk_desc cam_desc = {
  37         .clks = cam_clks,
  38         .num_clks = ARRAY_SIZE(cam_clks),
  39 };
  40
  41 static const struct of_device_id of_match_clk_mt6765_cam[] = {
  42         {
  43                 .compatible = "mediatek,mt6765-camsys",
  44                 .data = &cam_desc,
  45         }, {
  46                 /* sentinel */
  47         }
  48 };
  49 MODULE_DEVICE_TABLE(of, of_match_clk_mt6765_cam);
  50
  51 static struct platform_driver clk_mt6765_cam_drv = {
  52         .probe = mtk_clk_simple_probe,
  53         .remove = mtk_clk_simple_remove,
  54         .driver = {
  55                 .name = "clk-mt6765-cam",
  56                 .of_match_table = of_match_clk_mt6765_cam,
  57         },
  58 };
  59 module_platform_driver(clk_mt6765_cam_drv);
  60
  61 MODULE_DESCRIPTION("MediaTek MT6765 Camera clocks driver");
  62 MODULE_LICENSE("GPL");