drivers/clk/mediatek/clk-mt8173-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2014 MediaTek Inc.
   4  * Copyright (c) 2022 Collabora Ltd.
   5  * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
   6  */
   7
   8 #include <dt-bindings/clock/mt8173-clk.h>
   9 #include <linux/module.h>
  10 #include <linux/platform_device.h>
  11 #include "clk-gate.h"
  12 #include "clk-mtk.h"
  13
  14 static const struct mtk_gate_regs img_cg_regs = {
  15         .set_ofs = 0x0004,
  16         .clr_ofs = 0x0008,
  17         .sta_ofs = 0x0000,
  18 };
  19
  20 #define GATE_IMG(_id, _name, _parent, _shift)                   \
  21         GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  22
  23 static const struct mtk_gate img_clks[] = {
  24         GATE_DUMMY(CLK_DUMMY, "img_dummy"),
  25         GATE_IMG(CLK_IMG_LARB2_SMI, "img_larb2_smi", "mm_sel", 0),
  26         GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "mm_sel", 5),
  27         GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "mm_sel", 6),
  28         GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "camtg_sel", 7),
  29         GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "mm_sel", 8),
  30         GATE_IMG(CLK_IMG_CAM_SV, "img_cam_sv", "mm_sel", 9),
  31         GATE_IMG(CLK_IMG_FD, "img_fd", "mm_sel", 11),
  32 };
  33
  34 static const struct mtk_clk_desc img_desc = {
  35         .clks = img_clks,
  36         .num_clks = ARRAY_SIZE(img_clks),
  37 };
  38
  39 static const struct of_device_id of_match_clk_mt8173_imgsys[] = {
  40         { .compatible = "mediatek,mt8173-imgsys", .data = &img_desc },
  41         { /* sentinel */ }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_imgsys);
  44
  45 static struct platform_driver clk_mt8173_vdecsys_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt8173-imgsys",
  50                 .of_match_table = of_match_clk_mt8173_imgsys,
  51         },
  52 };
  53 module_platform_driver(clk_mt8173_vdecsys_drv);
  54
  55 MODULE_DESCRIPTION("MediaTek MT8173 vdecsys clocks driver");
  56 MODULE_LICENSE("GPL");