drivers/clk/mediatek/clk-mt8188-mfg.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Garmin Chang <garmin.chang@mediatek.com>
   5  */
   6
   7 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10
  11 #include "clk-gate.h"
  12 #include "clk-mtk.h"
  13
  14 static const struct mtk_gate_regs mfgcfg_cg_regs = {
  15         .set_ofs = 0x4,
  16         .clr_ofs = 0x8,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 #define GATE_MFG(_id, _name, _parent, _shift)                           \
  21         GATE_MTK_FLAGS(_id, _name, _parent, &mfgcfg_cg_regs, _shift,    \
  22                        &mtk_clk_gate_ops_setclr, CLK_SET_RATE_PARENT)
  23
  24 static const struct mtk_gate mfgcfg_clks[] = {
  25         GATE_MFG(CLK_MFGCFG_BG3D, "mfgcfg_bg3d", "mfg_ck_fast_ref", 0),
  26 };
  27
  28 static const struct mtk_clk_desc mfgcfg_desc = {
  29         .clks = mfgcfg_clks,
  30         .num_clks = ARRAY_SIZE(mfgcfg_clks),
  31 };
  32
  33 static const struct of_device_id of_match_clk_mt8188_mfgcfg[] = {
  34         { .compatible = "mediatek,mt8188-mfgcfg", .data = &mfgcfg_desc },
  35         { /* sentinel */ }
  36 };
  37 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_mfgcfg);
  38
  39 static struct platform_driver clk_mt8188_mfgcfg_drv = {
  40         .probe = mtk_clk_simple_probe,
  41         .remove = mtk_clk_simple_remove,
  42         .driver = {
  43                 .name = "clk-mt8188-mfgcfg",
  44                 .of_match_table = of_match_clk_mt8188_mfgcfg,
  45         },
  46 };
  47
  48 module_platform_driver(clk_mt8188_mfgcfg_drv);
  49
  50 MODULE_DESCRIPTION("MediaTek MT8186 GPU mfg clocks driver");
  51 MODULE_LICENSE("GPL");