drivers/clk/mediatek/clk-mt8195-scp_adsp.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2021 MediaTek Inc.
   4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
   5
   6 #include "clk-gate.h"
   7 #include "clk-mtk.h"
   8
   9 #include <dt-bindings/clock/mt8195-clk.h>
  10 #include <linux/clk-provider.h>
  11 #include <linux/platform_device.h>
  12
  13 static const struct mtk_gate_regs scp_adsp_cg_regs = {
  14         .set_ofs = 0x180,
  15         .clr_ofs = 0x180,
  16         .sta_ofs = 0x180,
  17 };
  18
  19 #define GATE_SCP_ADSP(_id, _name, _parent, _shift)                      \
  20         GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
  21
  22 static const struct mtk_gate scp_adsp_clks[] = {
  23         GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "top_adsp", 0),
  24 };
  25
  26 static const struct mtk_clk_desc scp_adsp_desc = {
  27         .clks = scp_adsp_clks,
  28         .num_clks = ARRAY_SIZE(scp_adsp_clks),
  29 };
  30
  31 static const struct of_device_id of_match_clk_mt8195_scp_adsp[] = {
  32         {
  33                 .compatible = "mediatek,mt8195-scp_adsp",
  34                 .data = &scp_adsp_desc,
  35         }, {
  36                 /* sentinel */
  37         }
  38 };
  39 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_scp_adsp);
  40
  41 static struct platform_driver clk_mt8195_scp_adsp_drv = {
  42         .probe = mtk_clk_simple_probe,
  43         .remove = mtk_clk_simple_remove,
  44         .driver = {
  45                 .name = "clk-mt8195-scp_adsp",
  46                 .of_match_table = of_match_clk_mt8195_scp_adsp,
  47         },
  48 };
  49 module_platform_driver(clk_mt8195_scp_adsp_drv);
  50
  51 MODULE_DESCRIPTION("MediaTek MT8195 SCP AudioDSP clocks driver");
  52 MODULE_LICENSE("GPL");