drivers/clk/mediatek/clk-mt8186-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2022 MediaTek Inc.
   4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8 #include <dt-bindings/clock/mt8186-clk.h>
   9
  10 #include "clk-gate.h"
  11 #include "clk-mtk.h"
  12
  13 static const struct mtk_gate_regs img_cg_regs = {
  14         .set_ofs = 0x4,
  15         .clr_ofs = 0x8,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 #define GATE_IMG(_id, _name, _parent, _shift)                   \
  20         GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  21
  22 static const struct mtk_gate img1_clks[] = {
  23         GATE_IMG(CLK_IMG1_LARB9_IMG1, "img1_larb9_img1", "top_img1", 0),
  24         GATE_IMG(CLK_IMG1_LARB10_IMG1, "img1_larb10_img1", "top_img1", 1),
  25         GATE_IMG(CLK_IMG1_DIP, "img1_dip", "top_img1", 2),
  26         GATE_IMG(CLK_IMG1_GALS_IMG1, "img1_gals_img1", "top_img1", 12),
  27 };
  28
  29 static const struct mtk_gate img2_clks[] = {
  30         GATE_IMG(CLK_IMG2_LARB9_IMG2, "img2_larb9_img2", "top_img1", 0),
  31         GATE_IMG(CLK_IMG2_LARB10_IMG2, "img2_larb10_img2", "top_img1", 1),
  32         GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "top_img1", 6),
  33         GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "top_img1", 7),
  34         GATE_IMG(CLK_IMG2_MSS, "img2_mss", "top_img1", 8),
  35         GATE_IMG(CLK_IMG2_GALS_IMG2, "img2_gals_img2", "top_img1", 12),
  36 };
  37
  38 static const struct mtk_clk_desc img1_desc = {
  39         .clks = img1_clks,
  40         .num_clks = ARRAY_SIZE(img1_clks),
  41 };
  42
  43 static const struct mtk_clk_desc img2_desc = {
  44         .clks = img2_clks,
  45         .num_clks = ARRAY_SIZE(img2_clks),
  46 };
  47
  48 static const struct of_device_id of_match_clk_mt8186_img[] = {
  49         {
  50                 .compatible = "mediatek,mt8186-imgsys1",
  51                 .data = &img1_desc,
  52         }, {
  53                 .compatible = "mediatek,mt8186-imgsys2",
  54                 .data = &img2_desc,
  55         }, {
  56                 /* sentinel */
  57         }
  58 };
  59 MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_img);
  60
  61 static struct platform_driver clk_mt8186_img_drv = {
  62         .probe = mtk_clk_simple_probe,
  63         .remove = mtk_clk_simple_remove,
  64         .driver = {
  65                 .name = "clk-mt8186-img",
  66                 .of_match_table = of_match_clk_mt8186_img,
  67         },
  68 };
  69 module_platform_driver(clk_mt8186_img_drv);
  70
  71 MODULE_DESCRIPTION("MediaTek MT8186 imgsys clocks driver");
  72 MODULE_LICENSE("GPL");