drivers/clk/mediatek/clk-mt8365-apu.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2022 MediaTek Inc.
   4  */
   5
   6 #include <dt-bindings/clock/mediatek,mt8365-clk.h>
   7 #include <linux/clk-provider.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-gate.h"
  11 #include "clk-mtk.h"
  12
  13 static const struct mtk_gate_regs apu_cg_regs = {
  14         .set_ofs = 0x4,
  15         .clr_ofs = 0x8,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 #define GATE_APU(_id, _name, _parent, _shift) \
  20                 GATE_MTK(_id, _name, _parent, &apu_cg_regs, _shift, \
  21                          &mtk_clk_gate_ops_setclr)
  22
  23 static const struct mtk_gate apu_clks[] = {
  24         GATE_APU(CLK_APU_AHB, "apu_ahb", "ifr_apu_axi", 5),
  25         GATE_APU(CLK_APU_EDMA, "apu_edma", "apu_sel", 4),
  26         GATE_APU(CLK_APU_IF_CK, "apu_if_ck", "apu_if_sel", 3),
  27         GATE_APU(CLK_APU_JTAG, "apu_jtag", "clk26m", 2),
  28         GATE_APU(CLK_APU_AXI, "apu_axi", "apu_sel", 1),
  29         GATE_APU(CLK_APU_IPU_CK, "apu_ck", "apu_sel", 0),
  30 };
  31
  32 static const struct mtk_clk_desc apu_desc = {
  33         .clks = apu_clks,
  34         .num_clks = ARRAY_SIZE(apu_clks),
  35 };
  36
  37 static const struct of_device_id of_match_clk_mt8365_apu[] = {
  38         {
  39                 .compatible = "mediatek,mt8365-apu",
  40                 .data = &apu_desc,
  41         }, {
  42                 /* sentinel */
  43         }
  44 };
  45 MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_apu);
  46
  47 static struct platform_driver clk_mt8365_apu_drv = {
  48         .probe = mtk_clk_simple_probe,
  49         .remove = mtk_clk_simple_remove,
  50         .driver = {
  51                 .name = "clk-mt8365-apu",
  52                 .of_match_table = of_match_clk_mt8365_apu,
  53         },
  54 };
  55 module_platform_driver(clk_mt8365_apu_drv);
  56
  57 MODULE_DESCRIPTION("MediaTek MT8365 AI Processing Unit clocks driver");
  58 MODULE_LICENSE("GPL");