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/of.h>
10 #include <linux/of_address.h>
11 #include <linux/of_device.h>
12 #include <linux/platform_device.h>
13 
14 #include "clk-mtk.h"
15 #include "clk-gate.h"
16 
17 #include <dt-bindings/clock/mt2701-clk.h>
18 
19 #define GATE_G3D(_id, _name, _parent, _shift)				\
20 	GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21 
22 static const struct mtk_gate_regs g3d_cg_regs = {
23 	.sta_ofs = 0x0,
24 	.set_ofs = 0x4,
25 	.clr_ofs = 0x8,
26 };
27 
28 static const struct mtk_gate g3d_clks[] = {
29 	GATE_DUMMY(CLK_DUMMY, "g3d_dummy"),
30 	GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0),
31 };
32 
33 static u16 rst_ofs[] = { 0xc, };
34 
35 static const struct mtk_clk_rst_desc clk_rst_desc = {
36 	.version = MTK_RST_SIMPLE,
37 	.rst_bank_ofs = rst_ofs,
38 	.rst_bank_nr = ARRAY_SIZE(rst_ofs),
39 };
40 
41 static const struct mtk_clk_desc g3d_desc = {
42 	.clks = g3d_clks,
43 	.num_clks = ARRAY_SIZE(g3d_clks),
44 	.rst_desc = &clk_rst_desc,
45 };
46 
47 static const struct of_device_id of_match_clk_mt2701_g3d[] = {
48 	{ .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
49 	{ /* sentinel */ }
50 };
51 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_g3d);
52 
53 static struct platform_driver clk_mt2701_g3d_drv = {
54 	.probe = mtk_clk_simple_probe,
55 	.remove = mtk_clk_simple_remove,
56 	.driver = {
57 		.name = "clk-mt2701-g3d",
58 		.of_match_table = of_match_clk_mt2701_g3d,
59 	},
60 };
61 module_platform_driver(clk_mt2701_g3d_drv);
62 MODULE_LICENSE("GPL");
63