drivers/clk/mediatek/clk-mt2712-img.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2017 MediaTek Inc.
   4  * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h>
  14
  15 static const struct mtk_gate_regs img_cg_regs = {
  16         .set_ofs = 0x0,
  17         .clr_ofs = 0x0,
  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_no_setclr)
  23
  24 static const struct mtk_gate img_clks[] = {
  25         GATE_IMG(CLK_IMG_SMI_LARB2, "img_smi_larb2", "mm_sel", 0),
  26         GATE_IMG(CLK_IMG_SENINF_SCAM_EN, "img_scam_en", "csi0", 3),
  27         GATE_IMG(CLK_IMG_SENINF_CAM_EN, "img_cam_en", "mm_sel", 8),
  28         GATE_IMG(CLK_IMG_CAM_SV_EN, "img_cam_sv_en", "mm_sel", 9),
  29         GATE_IMG(CLK_IMG_CAM_SV1_EN, "img_cam_sv1_en", "mm_sel", 10),
  30         GATE_IMG(CLK_IMG_CAM_SV2_EN, "img_cam_sv2_en", "mm_sel", 11),
  31 };
  32
  33 static const struct mtk_clk_desc img_desc = {
  34         .clks = img_clks,
  35         .num_clks = ARRAY_SIZE(img_clks),
  36 };
  37
  38 static const struct of_device_id of_match_clk_mt2712_img[] = {
  39         {
  40                 .compatible = "mediatek,mt2712-imgsys",
  41                 .data = &img_desc,
  42         }, {
  43                 /* sentinel */
  44         }
  45 };
  46 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_img);
  47
  48 static struct platform_driver clk_mt2712_img_drv = {
  49         .probe = mtk_clk_simple_probe,
  50         .remove = mtk_clk_simple_remove,
  51         .driver = {
  52                 .name = "clk-mt2712-img",
  53                 .of_match_table = of_match_clk_mt2712_img,
  54         },
  55 };
  56 module_platform_driver(clk_mt2712_img_drv);
  57
  58 MODULE_DESCRIPTION("MediaTek MT2712 imgsys clocks driver");
  59 MODULE_LICENSE("GPL");