drivers/clk/mediatek/clk-mt2701-g3d.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018 MediaTek Inc.
   4  * Author: Sean Wang <sean.wang@mediatek.com>
   5  *
   6  */
   7
   8 #include <linux/clk-provider.h>
   9 #include <linux/mod_devicetable.h>
  10 #include <linux/platform_device.h>
  11
  12 #include "clk-mtk.h"
  13 #include "clk-gate.h"
  14
  15 #include <dt-bindings/clock/mt2701-clk.h>
  16
  17 #define GATE_G3D(_id, _name, _parent, _shift)                           \
  18         GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
  19
  20 static const struct mtk_gate_regs g3d_cg_regs = {
  21         .sta_ofs = 0x0,
  22         .set_ofs = 0x4,
  23         .clr_ofs = 0x8,
  24 };
  25
  26 static const struct mtk_gate g3d_clks[] = {
  27         GATE_DUMMY(CLK_DUMMY, "g3d_dummy"),
  28         GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0),
  29 };
  30
  31 static u16 rst_ofs[] = { 0xc, };
  32
  33 static const struct mtk_clk_rst_desc clk_rst_desc = {
  34         .version = MTK_RST_SIMPLE,
  35         .rst_bank_ofs = rst_ofs,
  36         .rst_bank_nr = ARRAY_SIZE(rst_ofs),
  37 };
  38
  39 static const struct mtk_clk_desc g3d_desc = {
  40         .clks = g3d_clks,
  41         .num_clks = ARRAY_SIZE(g3d_clks),
  42         .rst_desc = &clk_rst_desc,
  43 };
  44
  45 static const struct of_device_id of_match_clk_mt2701_g3d[] = {
  46         { .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
  47         { /* sentinel */ }
  48 };
  49 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_g3d);
  50
  51 static struct platform_driver clk_mt2701_g3d_drv = {
  52         .probe = mtk_clk_simple_probe,
  53         .remove = mtk_clk_simple_remove,
  54         .driver = {
  55                 .name = "clk-mt2701-g3d",
  56                 .of_match_table = of_match_clk_mt2701_g3d,
  57         },
  58 };
  59 module_platform_driver(clk_mt2701_g3d_drv);
  60
  61 MODULE_DESCRIPTION("MediaTek MT2701 GPU g3d clocks driver");
  62 MODULE_LICENSE("GPL");