drivers/clk/mediatek/clk-mt6765-img.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018 MediaTek Inc.
   4  * Author: Owen Chen <owen.chen@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/mt6765-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_LARB2, "img_larb2", "mm_ck", 0),
  26         GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_ck", 2),
  27         GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_ck", 3),
  28         GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_ck", 4),
  29         GATE_IMG(CLK_IMG_RSC, "img_rsc", "mm_ck", 5),
  30 };
  31
  32 static const struct mtk_clk_desc img_desc = {
  33         .clks = img_clks,
  34         .num_clks = ARRAY_SIZE(img_clks),
  35 };
  36
  37 static const struct of_device_id of_match_clk_mt6765_img[] = {
  38         {
  39                 .compatible = "mediatek,mt6765-imgsys",
  40                 .data = &img_desc,
  41         }, {
  42                 /* sentinel */
  43         }
  44 };
  45 MODULE_DEVICE_TABLE(of, of_match_clk_mt6765_img);
  46
  47 static struct platform_driver clk_mt6765_img_drv = {
  48         .probe = mtk_clk_simple_probe,
  49         .remove = mtk_clk_simple_remove,
  50         .driver = {
  51                 .name = "clk-mt6765-img",
  52                 .of_match_table = of_match_clk_mt6765_img,
  53         },
  54 };
  55 module_platform_driver(clk_mt6765_img_drv);
  56
  57 MODULE_DESCRIPTION("MediaTek MT6765 imgsys clocks driver");
  58 MODULE_LICENSE("GPL");