drivers/clk/mediatek/clk-mt8192-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2021 MediaTek Inc.
   4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/mod_devicetable.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt8192-clk.h>
  14
  15 static const struct mtk_gate_regs img_cg_regs = {
  16         .set_ofs = 0x4,
  17         .clr_ofs = 0x8,
  18         .sta_ofs = 0x0,
  19 };
  20
  21 #define GATE_IMG(_id, _name, _parent, _shift)   \
  22         GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  23
  24 static const struct mtk_gate img_clks[] = {
  25         GATE_IMG(CLK_IMG_LARB9, "img_larb9", "img1_sel", 0),
  26         GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1),
  27         GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2),
  28         GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12),
  29 };
  30
  31 static const struct mtk_gate img2_clks[] = {
  32         GATE_IMG(CLK_IMG2_LARB11, "img2_larb11", "img1_sel", 0),
  33         GATE_IMG(CLK_IMG2_LARB12, "img2_larb12", "img1_sel", 1),
  34         GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "img1_sel", 6),
  35         GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "img1_sel", 7),
  36         GATE_IMG(CLK_IMG2_MSS, "img2_mss", "img1_sel", 8),
  37         GATE_IMG(CLK_IMG2_GALS, "img2_gals", "img1_sel", 12),
  38 };
  39
  40 static const struct mtk_clk_desc img_desc = {
  41         .clks = img_clks,
  42         .num_clks = ARRAY_SIZE(img_clks),
  43 };
  44
  45 static const struct mtk_clk_desc img2_desc = {
  46         .clks = img2_clks,
  47         .num_clks = ARRAY_SIZE(img2_clks),
  48 };
  49
  50 static const struct of_device_id of_match_clk_mt8192_img[] = {
  51         {
  52                 .compatible = "mediatek,mt8192-imgsys",
  53                 .data = &img_desc,
  54         }, {
  55                 .compatible = "mediatek,mt8192-imgsys2",
  56                 .data = &img2_desc,
  57         }, {
  58                 /* sentinel */
  59         }
  60 };
  61 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_img);
  62
  63 static struct platform_driver clk_mt8192_img_drv = {
  64         .probe = mtk_clk_simple_probe,
  65         .remove = mtk_clk_simple_remove,
  66         .driver = {
  67                 .name = "clk-mt8192-img",
  68                 .of_match_table = of_match_clk_mt8192_img,
  69         },
  70 };
  71 module_platform_driver(clk_mt8192_img_drv);
  72
  73 MODULE_DESCRIPTION("MediaTek MT8192 imgsys clocks driver");
  74 MODULE_LICENSE("GPL");