drivers/clk/mediatek/clk-mt8183-vdec.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
   9 #include "clk-mtk.h"
  10 #include "clk-gate.h"
  11
  12 #include <dt-bindings/clock/mt8183-clk.h>
  13
  14 static const struct mtk_gate_regs vdec0_cg_regs = {
  15         .set_ofs = 0x0,
  16         .clr_ofs = 0x4,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 static const struct mtk_gate_regs vdec1_cg_regs = {
  21         .set_ofs = 0x8,
  22         .clr_ofs = 0xc,
  23         .sta_ofs = 0x8,
  24 };
  25
  26 #define GATE_VDEC0_I(_id, _name, _parent, _shift)               \
  27         GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift,   \
  28                 &mtk_clk_gate_ops_setclr_inv)
  29
  30 #define GATE_VDEC1_I(_id, _name, _parent, _shift)               \
  31         GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift,   \
  32                 &mtk_clk_gate_ops_setclr_inv)
  33
  34 static const struct mtk_gate vdec_clks[] = {
  35         /* VDEC0 */
  36         GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0),
  37         /* VDEC1 */
  38         GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0),
  39 };
  40
  41 static const struct mtk_clk_desc vdec_desc = {
  42         .clks = vdec_clks,
  43         .num_clks = ARRAY_SIZE(vdec_clks),
  44 };
  45
  46 static const struct of_device_id of_match_clk_mt8183_vdec[] = {
  47         {
  48                 .compatible = "mediatek,mt8183-vdecsys",
  49                 .data = &vdec_desc,
  50         }, {
  51                 /* sentinel */
  52         }
  53 };
  54 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_vdec);
  55
  56 static struct platform_driver clk_mt8183_vdec_drv = {
  57         .probe = mtk_clk_simple_probe,
  58         .remove = mtk_clk_simple_remove,
  59         .driver = {
  60                 .name = "clk-mt8183-vdec",
  61                 .of_match_table = of_match_clk_mt8183_vdec,
  62         },
  63 };
  64 module_platform_driver(clk_mt8183_vdec_drv);
  65
  66 MODULE_DESCRIPTION("MediaTek MT8183 Video Decoders clocks driver");
  67 MODULE_LICENSE("GPL");