xref: /linux/drivers/clk/mediatek/clk-mt6795-mfg.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2022 Collabora Ltd.
4  * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
5  */
6 
7 #include <dt-bindings/clock/mediatek,mt6795-clk.h>
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include "clk-gate.h"
11 #include "clk-mtk.h"
12 
13 static const struct mtk_gate_regs mfg_cg_regs = {
14 	.set_ofs = 0x4,
15 	.clr_ofs = 0x8,
16 	.sta_ofs = 0x0,
17 };
18 
19 #define GATE_MFG(_id, _name, _parent, _shift)			\
20 	GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
21 
22 static const struct mtk_gate mfg_clks[] = {
23 	GATE_MFG(CLK_MFG_BAXI, "mfg_baxi", "axi_mfg_in_sel", 0),
24 	GATE_MFG(CLK_MFG_BMEM, "mfg_bmem", "mem_mfg_in_sel", 1),
25 	GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 2),
26 	GATE_MFG(CLK_MFG_B26M, "mfg_b26m", "clk26m", 3),
27 };
28 
29 static const struct mtk_clk_desc mfg_desc = {
30 	.clks = mfg_clks,
31 	.num_clks = ARRAY_SIZE(mfg_clks),
32 };
33 
34 static const struct of_device_id of_match_clk_mt6795_mfg[] = {
35 	{ .compatible = "mediatek,mt6795-mfgcfg", .data = &mfg_desc },
36 	{ /* sentinel */ }
37 };
38 MODULE_DEVICE_TABLE(of, of_match_clk_mt6795_mfg);
39 
40 static struct platform_driver clk_mt6795_mfg_drv = {
41 	.driver = {
42 		.name = "clk-mt6795-mfg",
43 		.of_match_table = of_match_clk_mt6795_mfg,
44 	},
45 	.probe = mtk_clk_simple_probe,
46 	.remove = mtk_clk_simple_remove,
47 };
48 module_platform_driver(clk_mt6795_mfg_drv);
49 
50 MODULE_DESCRIPTION("MediaTek MT6795 mfg clocks driver");
51 MODULE_LICENSE("GPL");
52