drivers/clk/mediatek/clk-mt8183-img.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2018 MediaTek Inc.
   4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8
   9 #include "clk-mtk.h"
  10 #include "clk-gate.h"
  11
  12 #include <dt-bindings/clock/mt8183-clk.h>
  13
  14 static const struct mtk_gate_regs img_cg_regs = {
  15         .set_ofs = 0x4,
  16         .clr_ofs = 0x8,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 #define GATE_IMG(_id, _name, _parent, _shift)                   \
  21         GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift,     \
  22                 &mtk_clk_gate_ops_setclr)
  23
  24 static const struct mtk_gate img_clks[] = {
  25         GATE_IMG(CLK_IMG_LARB5, "img_larb5", "img_sel", 0),
  26         GATE_IMG(CLK_IMG_LARB2, "img_larb2", "img_sel", 1),
  27         GATE_IMG(CLK_IMG_DIP, "img_dip", "img_sel", 2),
  28         GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "img_sel", 3),
  29         GATE_IMG(CLK_IMG_DPE, "img_dpe", "img_sel", 4),
  30         GATE_IMG(CLK_IMG_RSC, "img_rsc", "img_sel", 5),
  31         GATE_IMG(CLK_IMG_MFB, "img_mfb", "img_sel", 6),
  32         GATE_IMG(CLK_IMG_WPE_A, "img_wpe_a", "img_sel", 7),
  33         GATE_IMG(CLK_IMG_WPE_B, "img_wpe_b", "img_sel", 8),
  34         GATE_IMG(CLK_IMG_OWE, "img_owe", "img_sel", 9),
  35 };
  36
  37 static const struct mtk_clk_desc img_desc = {
  38         .clks = img_clks,
  39         .num_clks = ARRAY_SIZE(img_clks),
  40 };
  41
  42 static const struct of_device_id of_match_clk_mt8183_img[] = {
  43         {
  44                 .compatible = "mediatek,mt8183-imgsys",
  45                 .data = &img_desc,
  46         }, {
  47                 /* sentinel */
  48         }
  49 };
  50 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_img);
  51
  52 static struct platform_driver clk_mt8183_img_drv = {
  53         .probe = mtk_clk_simple_probe,
  54         .remove = mtk_clk_simple_remove,
  55         .driver = {
  56                 .name = "clk-mt8183-img",
  57                 .of_match_table = of_match_clk_mt8183_img,
  58         },
  59 };
  60 module_platform_driver(clk_mt8183_img_drv);
  61
  62 MODULE_DESCRIPTION("MediaTek MT8183 imgsys clocks driver");
  63 MODULE_LICENSE("GPL");