drivers/clk/mediatek/clk-mt2712-jpgdec.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2017 MediaTek Inc.
   4  * Author: Weiyi Lu <weiyi.lu@mediatek.com>
   5  */
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt2712-clk.h>
  14
  15 static const struct mtk_gate_regs jpgdec_cg_regs = {
  16         .set_ofs = 0x4,
  17         .clr_ofs = 0x8,
  18         .sta_ofs = 0x0,
  19 };
  20
  21 #define GATE_JPGDEC(_id, _name, _parent, _shift) {      \
  22                 .id = _id,                              \
  23                 .name = _name,                          \
  24                 .parent_name = _parent,                 \
  25                 .regs = &jpgdec_cg_regs,                        \
  26                 .shift = _shift,                        \
  27                 .ops = &mtk_clk_gate_ops_setclr_inv,    \
  28         }
  29
  30 static const struct mtk_gate jpgdec_clks[] = {
  31         GATE_JPGDEC(CLK_JPGDEC_JPGDEC1, "jpgdec_jpgdec1", "jpgdec_sel", 0),
  32         GATE_JPGDEC(CLK_JPGDEC_JPGDEC, "jpgdec_jpgdec", "jpgdec_sel", 4),
  33 };
  34
  35 static const struct mtk_clk_desc jpgdec_desc = {
  36         .clks = jpgdec_clks,
  37         .num_clks = ARRAY_SIZE(jpgdec_clks),
  38 };
  39
  40 static const struct of_device_id of_match_clk_mt2712_jpgdec[] = {
  41         {
  42                 .compatible = "mediatek,mt2712-jpgdecsys",
  43                 .data = &jpgdec_desc,
  44         }, {
  45                 /* sentinel */
  46         }
  47 };
  48
  49 static struct platform_driver clk_mt2712_jpgdec_drv = {
  50         .probe = mtk_clk_simple_probe,
  51         .remove = mtk_clk_simple_remove,
  52         .driver = {
  53                 .name = "clk-mt2712-jpgdec",
  54                 .of_match_table = of_match_clk_mt2712_jpgdec,
  55         },
  56 };
  57
  58 builtin_platform_driver(clk_mt2712_jpgdec_drv);