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
20static const struct mtk_gate_regs g3d_cg_regs = {
21 .sta_ofs = 0x0,
22 .set_ofs = 0x4,
23 .clr_ofs = 0x8,
24};
25
26static 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
31static u16 rst_ofs[] = { 0xc, };
32
33static 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
39static 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
45static const struct of_device_id of_match_clk_mt2701_g3d[] = {
46 { .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
47 { /* sentinel */ }
48};
49MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_g3d);
50
51static struct platform_driver clk_mt2701_g3d_drv = {
52 .probe = mtk_clk_simple_probe,
53 .remove_new = mtk_clk_simple_remove,
54 .driver = {
55 .name = "clk-mt2701-g3d",
56 .of_match_table = of_match_clk_mt2701_g3d,
57 },
58};
59module_platform_driver(clk_mt2701_g3d_drv);
60MODULE_LICENSE("GPL");
61

source code of linux/drivers/clk/mediatek/clk-mt2701-g3d.c