drivers/clk/mediatek/clk-mt2712-venc.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2017 MediaTek Inc.
   4  * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
  14
  15 static const struct mtk_gate_regs venc_cg_regs = {
  16         .set_ofs = 0x4,
  17         .clr_ofs = 0x8,
  18         .sta_ofs = 0x0,
  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_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
  26         GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
  27         GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
  28 };
  29
  30 static const struct mtk_clk_desc venc_desc = {
  31         .clks = venc_clks,
  32         .num_clks = ARRAY_SIZE(venc_clks),
  33 };
  34
  35 static const struct of_device_id of_match_clk_mt2712_venc[] = {
  36         {
  37                 .compatible = "mediatek,mt2712-vencsys",
  38                 .data = &venc_desc,
  39         }, {
  40                 /* sentinel */
  41         }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_venc);
  44
  45 static struct platform_driver clk_mt2712_venc_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt2712-venc",
  50                 .of_match_table = of_match_clk_mt2712_venc,
  51         },
  52 };
  53 module_platform_driver(clk_mt2712_venc_drv);
  54
  55 MODULE_DESCRIPTION("MediaTek MT2712 Video Encoders clocks driver");
  56 MODULE_LICENSE("GPL");