drivers/clk/mediatek/clk-mt6797-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /* Copyright (c) 2017 MediaTek Inc.
   3  * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
   4  */
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8 #include <dt-bindings/clock/mt6797-clk.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 static const struct mtk_gate_regs img_cg_regs = {
  14         .set_ofs = 0x0004,
  15         .clr_ofs = 0x0008,
  16         .sta_ofs = 0x0000,
  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_FDVT, "img_fdvt", "mm_sel", 11),
  24         GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_sel", 10),
  25         GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_sel", 6),
  26         GATE_IMG(CLK_IMG_LARB6, "img_larb6", "mm_sel", 0),
  27 };
  28
  29 static const struct mtk_clk_desc img_desc = {
  30         .clks = img_clks,
  31         .num_clks = ARRAY_SIZE(img_clks),
  32 };
  33
  34 static const struct of_device_id of_match_clk_mt6797_img[] = {
  35         {
  36                 .compatible = "mediatek,mt6797-imgsys",
  37                 .data = &img_desc,
  38         }, {
  39                 /* sentinel */
  40         }
  41 };
  42 MODULE_DEVICE_TABLE(of, of_match_clk_mt6797_img);
  43
  44 static struct platform_driver clk_mt6797_img_drv = {
  45         .probe = mtk_clk_simple_probe,
  46         .remove_new = mtk_clk_simple_remove,
  47         .driver = {
  48                 .name = "clk-mt6797-img",
  49                 .of_match_table = of_match_clk_mt6797_img,
  50         },
  51 };
  52 module_platform_driver(clk_mt6797_img_drv);
  53 MODULE_LICENSE("GPL");