drivers/clk/mediatek/clk-mt8365-vdec.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2022 MediaTek Inc.
   4  */
   5
   6 #include <dt-bindings/clock/mediatek,mt8365-clk.h>
   7 #include <linux/clk-provider.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-gate.h"
  11 #include "clk-mtk.h"
  12
  13 static const struct mtk_gate_regs vdec0_cg_regs = {
  14         .set_ofs = 0x0,
  15         .clr_ofs = 0x4,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 static const struct mtk_gate_regs vdec1_cg_regs = {
  20         .set_ofs = 0x8,
  21         .clr_ofs = 0xc,
  22         .sta_ofs = 0x8,
  23 };
  24
  25 #define GATE_VDEC0(_id, _name, _parent, _shift) \
  26                 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \
  27                          &mtk_clk_gate_ops_setclr_inv)
  28
  29 #define GATE_VDEC1(_id, _name, _parent, _shift) \
  30                 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \
  31                          &mtk_clk_gate_ops_setclr_inv)
  32
  33 static const struct mtk_gate vdec_clks[] = {
  34         /* VDEC0 */
  35         GATE_VDEC0(CLK_VDEC_VDEC, "vdec_fvdec_ck", "mm_sel", 0),
  36         /* VDEC1 */
  37         GATE_VDEC1(CLK_VDEC_LARB1, "vdec_flarb1_ck", "mm_sel", 0),
  38 };
  39
  40 static const struct mtk_clk_desc vdec_desc = {
  41         .clks = vdec_clks,
  42         .num_clks = ARRAY_SIZE(vdec_clks),
  43 };
  44
  45 static const struct of_device_id of_match_clk_mt8365_vdec[] = {
  46         {
  47                 .compatible = "mediatek,mt8365-vdecsys",
  48                 .data = &vdec_desc,
  49         }, {
  50                 /* sentinel */
  51         }
  52 };
  53 MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_vdec);
  54
  55 static struct platform_driver clk_mt8365_vdec_drv = {
  56         .probe = mtk_clk_simple_probe,
  57         .remove = mtk_clk_simple_remove,
  58         .driver = {
  59                 .name = "clk-mt8365-vdec",
  60                 .of_match_table = of_match_clk_mt8365_vdec,
  61         },
  62 };
  63 module_platform_driver(clk_mt8365_vdec_drv);
  64
  65 MODULE_DESCRIPTION("MediaTek MT8365 Video Decoders clocks driver");
  66 MODULE_LICENSE("GPL");