drivers/clk/mediatek/clk-mt8167-img.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2020 MediaTek Inc.
   4  * Copyright (c) 2020 BayLibre, SAS
   5  * Author: James Liao <jamesjj.liao@mediatek.com>
   6  *         Fabien Parent <fparent@baylibre.com>
   7  */
   8
   9 #include <linux/clk-provider.h>
  10 #include <linux/mod_devicetable.h>
  11 #include <linux/platform_device.h>
  12
  13 #include "clk-mtk.h"
  14 #include "clk-gate.h"
  15
  16 #include <dt-bindings/clock/mt8167-clk.h>
  17
  18 static const struct mtk_gate_regs img_cg_regs = {
  19         .set_ofs = 0x4,
  20         .clr_ofs = 0x8,
  21         .sta_ofs = 0x0,
  22 };
  23
  24 #define GATE_IMG(_id, _name, _parent, _shift)                   \
  25         GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  26
  27 static const struct mtk_gate img_clks[] = {
  28         GATE_IMG(CLK_IMG_LARB1_SMI, "img_larb1_smi", "smi_mm", 0),
  29         GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "smi_mm", 5),
  30         GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "smi_mm", 6),
  31         GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "cam_mm", 7),
  32         GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "smi_mm", 8),
  33         GATE_IMG(CLK_IMG_VENC, "img_venc", "smi_mm", 9),
  34 };
  35
  36 static const struct mtk_clk_desc img_desc = {
  37         .clks = img_clks,
  38         .num_clks = ARRAY_SIZE(img_clks),
  39 };
  40
  41 static const struct of_device_id of_match_clk_mt8167_imgsys[] = {
  42         { .compatible = "mediatek,mt8167-imgsys", .data = &img_desc },
  43         { /* sentinel */ }
  44 };
  45 MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_imgsys);
  46
  47 static struct platform_driver clk_mt8167_imgsys_drv = {
  48         .probe = mtk_clk_simple_probe,
  49         .remove = mtk_clk_simple_remove,
  50         .driver = {
  51                 .name = "clk-mt8167-imgsys",
  52                 .of_match_table = of_match_clk_mt8167_imgsys,
  53         },
  54 };
  55 module_platform_driver(clk_mt8167_imgsys_drv);
  56
  57 MODULE_DESCRIPTION("MediaTek MT8167 imgsys clocks driver");
  58 MODULE_LICENSE("GPL");