drivers/clk/mediatek/clk-mt8192-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 <linux/clk-provider.h>
   7 #include <linux/mod_devicetable.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt8192-clk.h>
  14
  15 static const struct mtk_gate_regs scp_adsp_cg_regs = {
  16         .set_ofs = 0x180,
  17         .clr_ofs = 0x180,
  18         .sta_ofs = 0x180,
  19 };
  20
  21 #define GATE_SCP_ADSP(_id, _name, _parent, _shift)      \
  22         GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
  23
  24 static const struct mtk_gate scp_adsp_clks[] = {
  25         GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "adsp_sel", 0),
  26 };
  27
  28 static const struct mtk_clk_desc scp_adsp_desc = {
  29         .clks = scp_adsp_clks,
  30         .num_clks = ARRAY_SIZE(scp_adsp_clks),
  31 };
  32
  33 static const struct of_device_id of_match_clk_mt8192_scp_adsp[] = {
  34         {
  35                 .compatible = "mediatek,mt8192-scp_adsp",
  36                 .data = &scp_adsp_desc,
  37         }, {
  38                 /* sentinel */
  39         }
  40 };
  41 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_scp_adsp);
  42
  43 static struct platform_driver clk_mt8192_scp_adsp_drv = {
  44         .probe = mtk_clk_simple_probe,
  45         .remove = mtk_clk_simple_remove,
  46         .driver = {
  47                 .name = "clk-mt8192-scp_adsp",
  48                 .of_match_table = of_match_clk_mt8192_scp_adsp,
  49         },
  50 };
  51 module_platform_driver(clk_mt8192_scp_adsp_drv);
  52
  53 MODULE_DESCRIPTION("MediaTek MT8192 SCP AudioDSP clocks driver");
  54 MODULE_LICENSE("GPL");