drivers/clk/mediatek/clk-mt8195-mfg.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 "clk-gate.h"
   7 #include "clk-mtk.h"
   8
   9 #include <dt-bindings/clock/mt8195-clk.h>
  10 #include <linux/clk-provider.h>
  11 #include <linux/platform_device.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,       \
  21                        _shift, &mtk_clk_gate_ops_setclr,        \
  22                        CLK_SET_RATE_PARENT)
  23
  24 static const struct mtk_gate mfg_clks[] = {
  25         GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_ck_fast_ref", 0),
  26 };
  27
  28 static const struct mtk_clk_desc mfg_desc = {
  29         .clks = mfg_clks,
  30         .num_clks = ARRAY_SIZE(mfg_clks),
  31 };
  32
  33 static const struct of_device_id of_match_clk_mt8195_mfg[] = {
  34         {
  35                 .compatible = "mediatek,mt8195-mfgcfg",
  36                 .data = &mfg_desc,
  37         }, {
  38                 /* sentinel */
  39         }
  40 };
  41
  42 static struct platform_driver clk_mt8195_mfg_drv = {
  43         .probe = mtk_clk_simple_probe,
  44         .remove = mtk_clk_simple_remove,
  45         .driver = {
  46                 .name = "clk-mt8195-mfg",
  47                 .of_match_table = of_match_clk_mt8195_mfg,
  48         },
  49 };
  50 builtin_platform_driver(clk_mt8195_mfg_drv);