xref: /linux/drivers/clk/mediatek/clk-mt8192-mfg.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 mfg_cg_regs = {
16 	.set_ofs = 0x4,
17 	.clr_ofs = 0x8,
18 	.sta_ofs = 0x0,
19 };
20 
21 #define GATE_MFG(_id, _name, _parent, _shift)			\
22 	GATE_MTK_FLAGS(_id, _name, _parent, &mfg_cg_regs,	\
23 		       _shift, &mtk_clk_gate_ops_setclr,	\
24 		       CLK_SET_RATE_PARENT)
25 
26 static const struct mtk_gate mfg_clks[] = {
27 	GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_pll_sel", 0),
28 };
29 
30 static const struct mtk_clk_desc mfg_desc = {
31 	.clks = mfg_clks,
32 	.num_clks = ARRAY_SIZE(mfg_clks),
33 };
34 
35 static const struct of_device_id of_match_clk_mt8192_mfg[] = {
36 	{
37 		.compatible = "mediatek,mt8192-mfgcfg",
38 		.data = &mfg_desc,
39 	}, {
40 		/* sentinel */
41 	}
42 };
43 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_mfg);
44 
45 static struct platform_driver clk_mt8192_mfg_drv = {
46 	.probe = mtk_clk_simple_probe,
47 	.remove = mtk_clk_simple_remove,
48 	.driver = {
49 		.name = "clk-mt8192-mfg",
50 		.of_match_table = of_match_clk_mt8192_mfg,
51 	},
52 };
53 module_platform_driver(clk_mt8192_mfg_drv);
54 
55 MODULE_DESCRIPTION("MediaTek MT8192 GPU mfg clocks driver");
56 MODULE_LICENSE("GPL");
57