drivers/clk/mediatek/clk-mt6779-mfg.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2019 MediaTek Inc.
   4  * Author: Wendell Lin <wendell.lin@mediatek.com>
   5  */
   6
   7 #include <linux/module.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10
  11 #include "clk-mtk.h"
  12 #include "clk-gate.h"
  13
  14 #include <dt-bindings/clock/mt6779-clk.h>
  15
  16 static const struct mtk_gate_regs mfg_cg_regs = {
  17         .set_ofs = 0x4,
  18         .clr_ofs = 0x8,
  19         .sta_ofs = 0x0,
  20 };
  21
  22 #define GATE_MFG(_id, _name, _parent, _shift)                   \
  23         GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift,     \
  24                 &mtk_clk_gate_ops_setclr)
  25
  26 static const struct mtk_gate mfg_clks[] = {
  27         GATE_MFG(CLK_MFGCFG_BG3D, "mfg_bg3d", "mfg_sel", 0),
  28 };
  29
  30 static const struct mtk_clk_desc mfg_desc = {
  31         .clks = mfg_clks,
  32         .num_clks = ARRAY_SIZE(mfg_clks),
  33 };
  34
  35 static const struct of_device_id of_match_clk_mt6779_mfg[] = {
  36         {
  37                 .compatible = "mediatek,mt6779-mfgcfg",
  38                 .data = &mfg_desc,
  39         }, {
  40                 /* sentinel */
  41         }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_mfg);
  44
  45 static struct platform_driver clk_mt6779_mfg_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt6779-mfg",
  50                 .of_match_table = of_match_clk_mt6779_mfg,
  51         },
  52 };
  53
  54 module_platform_driver(clk_mt6779_mfg_drv);
  55
  56 MODULE_DESCRIPTION("MediaTek MT6779 GPU mfg clocks driver");
  57 MODULE_LICENSE("GPL");