drivers/clk/mediatek/clk-mt6795-vdecsys.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2022 Collabora Ltd.
   4  * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
   5  */
   6
   7 #include <dt-bindings/clock/mediatek,mt6795-clk.h>
   8 #include <linux/module.h>
   9 #include <linux/platform_device.h>
  10 #include "clk-gate.h"
  11 #include "clk-mtk.h"
  12
  13 #define GATE_VDEC(_id, _name, _parent, _regs)                   \
  14                 GATE_MTK(_id, _name, _parent, _regs, 0,         \
  15                          &mtk_clk_gate_ops_setclr_inv)
  16
  17 static const struct mtk_gate_regs vdec0_cg_regs = {
  18         .set_ofs = 0x0000,
  19         .clr_ofs = 0x0004,
  20         .sta_ofs = 0x0000,
  21 };
  22
  23 static const struct mtk_gate_regs vdec1_cg_regs = {
  24         .set_ofs = 0x0008,
  25         .clr_ofs = 0x000c,
  26         .sta_ofs = 0x0008,
  27 };
  28
  29 static const struct mtk_gate vdec_clks[] = {
  30         GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs),
  31         GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs),
  32 };
  33
  34 static const struct mtk_clk_desc vdec_desc = {
  35         .clks = vdec_clks,
  36         .num_clks = ARRAY_SIZE(vdec_clks),
  37 };
  38
  39 static const struct of_device_id of_match_clk_mt6795_vdecsys[] = {
  40         { .compatible = "mediatek,mt6795-vdecsys", .data = &vdec_desc },
  41         { /* sentinel */ }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt6795_vdecsys);
  44
  45 static struct platform_driver clk_mt6795_vdecsys_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove_new = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt6795-vdecsys",
  50                 .of_match_table = of_match_clk_mt6795_vdecsys,
  51         },
  52 };
  53 module_platform_driver(clk_mt6795_vdecsys_drv);
  54
  55 MODULE_DESCRIPTION("MediaTek MT6795 vdecsys clocks driver");
  56 MODULE_LICENSE("GPL");