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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2022 MediaTek Inc.
   4 // Author: Chun-Jie Chen <[email protected]>
   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 mfg_cg_regs = {
  14         .set_ofs = 0x4,
  15         .clr_ofs = 0x8,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 #define GATE_MFG(_id, _name, _parent, _shift)                           \
  20         GATE_MTK_FLAGS(_id, _name, _parent, &mfg_cg_regs, _shift,       \
  21                        &mtk_clk_gate_ops_setclr, CLK_SET_RATE_PARENT)
  22
  23 static const struct mtk_gate mfg_clks[] = {
  24         GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "top_mfg", 0),
  25 };
  26
  27 static const struct mtk_clk_desc mfg_desc = {
  28         .clks = mfg_clks,
  29         .num_clks = ARRAY_SIZE(mfg_clks),
  30 };
  31
  32 static const struct of_device_id of_match_clk_mt8186_mfg[] = {
  33         {
  34                 .compatible = "mediatek,mt8186-mfgsys",
  35                 .data = &mfg_desc,
  36         }, {
  37                 /* sentinel */
  38         }
  39 };
  40
  41 static struct platform_driver clk_mt8186_mfg_drv = {
  42         .probe = mtk_clk_simple_probe,
  43         .remove = mtk_clk_simple_remove,
  44         .driver = {
  45                 .name = "clk-mt8186-mfg",
  46                 .of_match_table = of_match_clk_mt8186_mfg,
  47         },
  48 };
  49 builtin_platform_driver(clk_mt8186_mfg_drv);