drivers/clk/mediatek/clk-mt6797-venc.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2017 MediaTek Inc.
   4  * Author: Kevin Chen <kevin-cw.chen@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/mt6797-clk.h>
  14
  15 static const struct mtk_gate_regs venc_cg_regs = {
  16         .set_ofs = 0x0004,
  17         .clr_ofs = 0x0008,
  18         .sta_ofs = 0x0000,
  19 };
  20
  21 #define GATE_VENC(_id, _name, _parent, _shift)                          \
  22         GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
  23
  24 static const struct mtk_gate venc_clks[] = {
  25         GATE_VENC(CLK_VENC_0, "venc_0", "mm_sel", 0),
  26         GATE_VENC(CLK_VENC_1, "venc_1", "venc_sel", 4),
  27         GATE_VENC(CLK_VENC_2, "venc_2", "venc_sel", 8),
  28         GATE_VENC(CLK_VENC_3, "venc_3", "venc_sel", 12),
  29 };
  30
  31 static const struct mtk_clk_desc venc_desc = {
  32         .clks = venc_clks,
  33         .num_clks = ARRAY_SIZE(venc_clks),
  34 };
  35
  36 static const struct of_device_id of_match_clk_mt6797_venc[] = {
  37         {
  38                 .compatible = "mediatek,mt6797-vencsys",
  39                 .data = &venc_desc,
  40         }, {
  41                 /* sentinel */
  42         }
  43 };
  44 MODULE_DEVICE_TABLE(of, of_match_clk_mt6797_venc);
  45
  46 static struct platform_driver clk_mt6797_venc_drv = {
  47         .probe = mtk_clk_simple_probe,
  48         .remove = mtk_clk_simple_remove,
  49         .driver = {
  50                 .name = "clk-mt6797-venc",
  51                 .of_match_table = of_match_clk_mt6797_venc,
  52         },
  53 };
  54 module_platform_driver(clk_mt6797_venc_drv);
  55
  56 MODULE_DESCRIPTION("MediaTek MT6797 Video Encoders clocks driver");
  57 MODULE_LICENSE("GPL");