drivers/clk/mediatek/clk-mt8195-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 "clk-gate.h"
   7 #include "clk-mtk.h"
   8
   9 #include <dt-bindings/clock/mt8195-clk.h>
  10 #include <linux/clk-provider.h>
  11 #include <linux/platform_device.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 img_clks[] = {
  23         GATE_IMG(CLK_IMG_LARB9, "img_larb9", "top_img", 0),
  24         GATE_IMG(CLK_IMG_TRAW0, "img_traw0", "top_img", 1),
  25         GATE_IMG(CLK_IMG_TRAW1, "img_traw1", "top_img", 2),
  26         GATE_IMG(CLK_IMG_TRAW2, "img_traw2", "top_img", 3),
  27         GATE_IMG(CLK_IMG_TRAW3, "img_traw3", "top_img", 4),
  28         GATE_IMG(CLK_IMG_DIP0, "img_dip0", "top_img", 8),
  29         GATE_IMG(CLK_IMG_WPE0, "img_wpe0", "top_img", 9),
  30         GATE_IMG(CLK_IMG_IPE, "img_ipe", "top_img", 10),
  31         GATE_IMG(CLK_IMG_DIP1, "img_dip1", "top_img", 11),
  32         GATE_IMG(CLK_IMG_WPE1, "img_wpe1", "top_img", 12),
  33         GATE_IMG(CLK_IMG_GALS, "img_gals", "top_img", 31),
  34 };
  35
  36 static const struct mtk_gate img1_dip_top_clks[] = {
  37         GATE_IMG(CLK_IMG1_DIP_TOP_LARB10, "img1_dip_top_larb10", "top_img", 0),
  38         GATE_IMG(CLK_IMG1_DIP_TOP_DIP_TOP, "img1_dip_top_dip_top", "top_img", 1),
  39 };
  40
  41 static const struct mtk_gate img1_dip_nr_clks[] = {
  42         GATE_IMG(CLK_IMG1_DIP_NR_RESERVE, "img1_dip_nr_reserve", "top_img", 0),
  43         GATE_IMG(CLK_IMG1_DIP_NR_DIP_NR, "img1_dip_nr_dip_nr", "top_img", 1),
  44 };
  45
  46 static const struct mtk_gate img1_wpe_clks[] = {
  47         GATE_IMG(CLK_IMG1_WPE_LARB11, "img1_wpe_larb11", "top_img", 0),
  48         GATE_IMG(CLK_IMG1_WPE_WPE, "img1_wpe_wpe", "top_img", 1),
  49 };
  50
  51 static const struct mtk_clk_desc img_desc = {
  52         .clks = img_clks,
  53         .num_clks = ARRAY_SIZE(img_clks),
  54 };
  55
  56 static const struct mtk_clk_desc img1_dip_top_desc = {
  57         .clks = img1_dip_top_clks,
  58         .num_clks = ARRAY_SIZE(img1_dip_top_clks),
  59 };
  60
  61 static const struct mtk_clk_desc img1_dip_nr_desc = {
  62         .clks = img1_dip_nr_clks,
  63         .num_clks = ARRAY_SIZE(img1_dip_nr_clks),
  64 };
  65
  66 static const struct mtk_clk_desc img1_wpe_desc = {
  67         .clks = img1_wpe_clks,
  68         .num_clks = ARRAY_SIZE(img1_wpe_clks),
  69 };
  70
  71 static const struct of_device_id of_match_clk_mt8195_img[] = {
  72         {
  73                 .compatible = "mediatek,mt8195-imgsys",
  74                 .data = &img_desc,
  75         }, {
  76                 .compatible = "mediatek,mt8195-imgsys1_dip_top",
  77                 .data = &img1_dip_top_desc,
  78         }, {
  79                 .compatible = "mediatek,mt8195-imgsys1_dip_nr",
  80                 .data = &img1_dip_nr_desc,
  81         }, {
  82                 .compatible = "mediatek,mt8195-imgsys1_wpe",
  83                 .data = &img1_wpe_desc,
  84         }, {
  85                 /* sentinel */
  86         }
  87 };
  88 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_img);
  89
  90 static struct platform_driver clk_mt8195_img_drv = {
  91         .probe = mtk_clk_simple_probe,
  92         .remove = mtk_clk_simple_remove,
  93         .driver = {
  94                 .name = "clk-mt8195-img",
  95                 .of_match_table = of_match_clk_mt8195_img,
  96         },
  97 };
  98 module_platform_driver(clk_mt8195_img_drv);
  99
 100 MODULE_DESCRIPTION("MediaTek MT8195 imgsys clocks driver");
 101 MODULE_LICENSE("GPL");