drivers/clk/mediatek/clk-mt8183-mfgcfg.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2018 MediaTek Inc.
   4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8 #include <linux/pm_runtime.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt8183-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         GATE_MTK_FLAGS(_id, _name, _parent, &mfg_cg_regs, _shift,       \
  23                        &mtk_clk_gate_ops_setclr, CLK_SET_RATE_PARENT)
  24
  25 static const struct mtk_gate mfg_clks[] = {
  26         GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0)
  27 };
  28
  29 static const struct mtk_clk_desc mfg_desc = {
  30         .clks = mfg_clks,
  31         .num_clks = ARRAY_SIZE(mfg_clks),
  32         .need_runtime_pm = true,
  33 };
  34
  35 static const struct of_device_id of_match_clk_mt8183_mfg[] = {
  36         {
  37                 .compatible = "mediatek,mt8183-mfgcfg",
  38                 .data = &mfg_desc,
  39         }, {
  40                 /* sentinel */
  41         }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_mfg);
  44
  45 static struct platform_driver clk_mt8183_mfg_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt8183-mfg",
  50                 .of_match_table = of_match_clk_mt8183_mfg,
  51         },
  52 };
  53 module_platform_driver(clk_mt8183_mfg_drv);
  54
  55 MODULE_DESCRIPTION("MediaTek MT8183 GPU mfg clocks driver");
  56 MODULE_LICENSE("GPL");