1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2017 MediaTek Inc.
4 * Author: Weiyi Lu <weiyi.lu@mediatek.com>
5 */
6
7#include <linux/clk-provider.h>
8#include <linux/platform_device.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt2712-clk.h>
14
15static 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		.id = _id,				\
23		.name = _name,				\
24		.parent_name = _parent,			\
25		.regs = &mfg_cg_regs,			\
26		.shift = _shift,			\
27		.ops = &mtk_clk_gate_ops_setclr,	\
28	}
29
30static const struct mtk_gate mfg_clks[] = {
31	GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0),
32};
33
34static int clk_mt2712_mfg_probe(struct platform_device *pdev)
35{
36	struct clk_onecell_data *clk_data;
37	int r;
38	struct device_node *node = pdev->dev.of_node;
39
40	clk_data = mtk_alloc_clk_data(CLK_MFG_NR_CLK);
41
42	mtk_clk_register_gates(node, mfg_clks, ARRAY_SIZE(mfg_clks),
43			clk_data);
44
45	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
46
47	if (r != 0)
48		pr_err("%s(): could not register clock provider: %d\n",
49			__func__, r);
50
51	return r;
52}
53
54static const struct of_device_id of_match_clk_mt2712_mfg[] = {
55	{ .compatible = "mediatek,mt2712-mfgcfg", },
56	{}
57};
58
59static struct platform_driver clk_mt2712_mfg_drv = {
60	.probe = clk_mt2712_mfg_probe,
61	.driver = {
62		.name = "clk-mt2712-mfg",
63		.of_match_table = of_match_clk_mt2712_mfg,
64	},
65};
66
67builtin_platform_driver(clk_mt2712_mfg_drv);
68