drivers/clk/mediatek/clk-mt8183-venc.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 venc_cg_regs = {
  15         .set_ofs = 0x4,
  16         .clr_ofs = 0x8,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 #define GATE_VENC_I(_id, _name, _parent, _shift)                \
  21         GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift,    \
  22                 &mtk_clk_gate_ops_setclr_inv)
  23
  24 static const struct mtk_gate venc_clks[] = {
  25         GATE_VENC_I(CLK_VENC_LARB, "venc_larb",
  26                 "mm_sel", 0),
  27         GATE_VENC_I(CLK_VENC_VENC, "venc_venc",
  28                 "mm_sel", 4),
  29         GATE_VENC_I(CLK_VENC_JPGENC, "venc_jpgenc",
  30                 "mm_sel", 8),
  31 };
  32
  33 static const struct mtk_clk_desc venc_desc = {
  34         .clks = venc_clks,
  35         .num_clks = ARRAY_SIZE(venc_clks),
  36 };
  37
  38 static const struct of_device_id of_match_clk_mt8183_venc[] = {
  39         {
  40                 .compatible = "mediatek,mt8183-vencsys",
  41                 .data = &venc_desc,
  42         }, {
  43                 /* sentinel */
  44         }
  45 };
  46 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_venc);
  47
  48 static struct platform_driver clk_mt8183_venc_drv = {
  49         .probe = mtk_clk_simple_probe,
  50         .remove = mtk_clk_simple_remove,
  51         .driver = {
  52                 .name = "clk-mt8183-venc",
  53                 .of_match_table = of_match_clk_mt8183_venc,
  54         },
  55 };
  56 module_platform_driver(clk_mt8183_venc_drv);
  57
  58 MODULE_DESCRIPTION("MediaTek MT8183 Video Encoders clocks driver");
  59 MODULE_LICENSE("GPL");