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         GATE_MTK(_id, _name, _parent, &jpgdec_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
  23
  24 static const struct mtk_gate jpgdec_clks[] = {
  25         GATE_JPGDEC(CLK_JPGDEC_JPGDEC1, "jpgdec_jpgdec1", "jpgdec_sel", 0),
  26         GATE_JPGDEC(CLK_JPGDEC_JPGDEC, "jpgdec_jpgdec", "jpgdec_sel", 4),
  27 };
  28
  29 static const struct mtk_clk_desc jpgdec_desc = {
  30         .clks = jpgdec_clks,
  31         .num_clks = ARRAY_SIZE(jpgdec_clks),
  32 };
  33
  34 static const struct of_device_id of_match_clk_mt2712_jpgdec[] = {
  35         {
  36                 .compatible = "mediatek,mt2712-jpgdecsys",
  37                 .data = &jpgdec_desc,
  38         }, {
  39                 /* sentinel */
  40         }
  41 };
  42 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_jpgdec);
  43
  44 static struct platform_driver clk_mt2712_jpgdec_drv = {
  45         .probe = mtk_clk_simple_probe,
  46         .remove = mtk_clk_simple_remove,
  47         .driver = {
  48                 .name = "clk-mt2712-jpgdec",
  49                 .of_match_table = of_match_clk_mt2712_jpgdec,
  50         },
  51 };
  52 module_platform_driver(clk_mt2712_jpgdec_drv);
  53
  54 MODULE_DESCRIPTION("MediaTek MT2712 JPEG Decoder clocks driver");
  55 MODULE_LICENSE("GPL");