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 };
  33
  34 static const struct of_device_id of_match_clk_mt8183_mfg[] = {
  35         {
  36                 .compatible = "mediatek,mt8183-mfgcfg",
  37                 .data = &mfg_desc,
  38         }, {
  39                 /* sentinel */
  40         }
  41 };
  42
  43 static struct platform_driver clk_mt8183_mfg_drv = {
  44         .probe = mtk_clk_simple_probe,
  45         .remove = mtk_clk_simple_remove,
  46         .driver = {
  47                 .name = "clk-mt8183-mfg",
  48                 .of_match_table = of_match_clk_mt8183_mfg,
  49         },
  50 };
  51
  52 builtin_platform_driver(clk_mt8183_mfg_drv);