drivers/clk/mediatek/clk-mt6779-venc.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2019 MediaTek Inc.
   4  * Author: Wendell Lin <wendell.lin@mediatek.com>
   5  */
   6
   7 #include <linux/module.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10
  11 #include "clk-mtk.h"
  12 #include "clk-gate.h"
  13
  14 #include <dt-bindings/clock/mt6779-clk.h>
  15
  16 static const struct mtk_gate_regs venc_cg_regs = {
  17         .set_ofs = 0x0004,
  18         .clr_ofs = 0x0008,
  19         .sta_ofs = 0x0000,
  20 };
  21
  22 #define GATE_VENC_I(_id, _name, _parent, _shift)                \
  23         GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift,    \
  24                 &mtk_clk_gate_ops_setclr_inv)
  25
  26 static const struct mtk_gate venc_clks[] = {
  27         GATE_VENC_I(CLK_VENC_GCON_LARB, "venc_larb", "venc_sel", 0),
  28         GATE_VENC_I(CLK_VENC_GCON_VENC, "venc_venc", "venc_sel", 4),
  29         GATE_VENC_I(CLK_VENC_GCON_JPGENC, "venc_jpgenc", "venc_sel", 8),
  30         GATE_VENC_I(CLK_VENC_GCON_GALS, "venc_gals", "venc_sel", 28),
  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_mt6779_venc[] = {
  39         {
  40                 .compatible = "mediatek,mt6779-vencsys",
  41                 .data = &venc_desc,
  42         }, {
  43                 /* sentinel */
  44         }
  45 };
  46 MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_venc);
  47
  48 static struct platform_driver clk_mt6779_venc_drv = {
  49         .probe = mtk_clk_simple_probe,
  50         .remove = mtk_clk_simple_remove,
  51         .driver = {
  52                 .name = "clk-mt6779-venc",
  53                 .of_match_table = of_match_clk_mt6779_venc,
  54         },
  55 };
  56
  57 module_platform_driver(clk_mt6779_venc_drv);
  58
  59 MODULE_DESCRIPTION("MediaTek MT6779 Video Encoders clocks driver");
  60 MODULE_LICENSE("GPL");