drivers/clk/mediatek/clk-mt2712-mfg.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2017 MediaTek Inc.
   4  * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
  14
  15 static const struct mtk_gate_regs mfg_cg_regs = {
  16         .set_ofs = 0x4,
  17         .clr_ofs = 0x8,
  18         .sta_ofs = 0x0,
  19 };
  20
  21 #define GATE_MFG(_id, _name, _parent, _shift) { \
  22                 .id = _id,                              \
  23                 .name = _name,                          \
  24                 .parent_name = _parent,                 \
  25                 .regs = &mfg_cg_regs,                   \
  26                 .shift = _shift,                        \
  27                 .ops = &mtk_clk_gate_ops_setclr,        \
  28         }
  29
  30 static const struct mtk_gate mfg_clks[] = {
  31         GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0),
  32 };
  33
  34 static const struct mtk_clk_desc mfg_desc = {
  35         .clks = mfg_clks,
  36         .num_clks = ARRAY_SIZE(mfg_clks),
  37 };
  38
  39 static const struct of_device_id of_match_clk_mt2712_mfg[] = {
  40         {
  41                 .compatible = "mediatek,mt2712-mfgcfg",
  42                 .data = &mfg_desc,
  43         }, {
  44                 /* sentinel */
  45         }
  46 };
  47
  48 static struct platform_driver clk_mt2712_mfg_drv = {
  49         .probe = mtk_clk_simple_probe,
  50         .remove = mtk_clk_simple_remove,
  51         .driver = {
  52                 .name = "clk-mt2712-mfg",
  53                 .of_match_table = of_match_clk_mt2712_mfg,
  54         },
  55 };
  56
  57 builtin_platform_driver(clk_mt2712_mfg_drv);