drivers/clk/mediatek/clk-mt2701-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2014 MediaTek Inc.
   4  * Author: Shunli Wang <shunli.wang@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/mt2701-clk.h>
  14
  15 static const struct mtk_gate_regs img_cg_regs = {
  16         .set_ofs = 0x0004,
  17         .clr_ofs = 0x0008,
  18         .sta_ofs = 0x0000,
  19 };
  20
  21 #define GATE_IMG(_id, _name, _parent, _shift) {         \
  22                 .id = _id,                              \
  23                 .name = _name,                          \
  24                 .parent_name = _parent,                 \
  25                 .regs = &img_cg_regs,                   \
  26                 .shift = _shift,                        \
  27                 .ops = &mtk_clk_gate_ops_setclr,        \
  28         }
  29
  30 static const struct mtk_gate img_clks[] = {
  31         GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
  32         GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
  33         GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
  34         GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
  35         GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
  36         GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
  37 };
  38
  39 static const struct mtk_clk_desc img_desc = {
  40         .clks = img_clks,
  41         .num_clks = ARRAY_SIZE(img_clks),
  42 };
  43
  44 static const struct of_device_id of_match_clk_mt2701_img[] = {
  45         {
  46                 .compatible = "mediatek,mt2701-imgsys",
  47                 .data = &img_desc,
  48         }, {
  49                 /* sentinel */
  50         }
  51 };
  52
  53 static struct platform_driver clk_mt2701_img_drv = {
  54         .probe = mtk_clk_simple_probe,
  55         .remove = mtk_clk_simple_remove,
  56         .driver = {
  57                 .name = "clk-mt2701-img",
  58                 .of_match_table = of_match_clk_mt2701_img,
  59         },
  60 };
  61
  62 builtin_platform_driver(clk_mt2701_img_drv);