drivers/clk/mediatek/clk-mt8188-ipe.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Garmin Chang <garmin.chang@mediatek.com>
   5  */
   6
   7 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10
  11 #include "clk-gate.h"
  12 #include "clk-mtk.h"
  13
  14 static const struct mtk_gate_regs ipe_cg_regs = {
  15         .set_ofs = 0x4,
  16         .clr_ofs = 0x8,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 #define GATE_IPE(_id, _name, _parent, _shift)                   \
  21         GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  22
  23 static const struct mtk_gate ipe_clks[] = {
  24         GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0),
  25         GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1),
  26         GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2),
  27         GATE_IPE(CLK_IPESYS_TOP, "ipesys_top", "top_ipe", 3),
  28         GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4),
  29 };
  30
  31 static const struct mtk_clk_desc ipe_desc = {
  32         .clks = ipe_clks,
  33         .num_clks = ARRAY_SIZE(ipe_clks),
  34 };
  35
  36 static const struct of_device_id of_match_clk_mt8188_ipe[] = {
  37         { .compatible = "mediatek,mt8188-ipesys", .data = &ipe_desc },
  38         { /* sentinel */ }
  39 };
  40 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ipe);
  41
  42 static struct platform_driver clk_mt8188_ipe_drv = {
  43         .probe = mtk_clk_simple_probe,
  44         .remove = mtk_clk_simple_remove,
  45         .driver = {
  46                 .name = "clk-mt8188-ipe",
  47                 .of_match_table = of_match_clk_mt8188_ipe,
  48         },
  49 };
  50
  51 module_platform_driver(clk_mt8188_ipe_drv);
  52
  53 MODULE_DESCRIPTION("MediaTek MT8188 Image Processing Engine clocks driver");
  54 MODULE_LICENSE("GPL");