1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2018 MediaTek Inc.
4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
5 
6 #include <linux/clk-provider.h>
7 #include <linux/platform_device.h>
8 #include <linux/pm_runtime.h>
9 
10 #include "clk-mtk.h"
11 #include "clk-gate.h"
12 
13 #include <dt-bindings/clock/mt8183-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(_id, _name, _parent, &mfg_cg_regs, _shift,	\
23 		&mtk_clk_gate_ops_setclr)
24 
25 static const struct mtk_gate mfg_clks[] = {
26 	GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0)
27 };
28 
29 static int clk_mt8183_mfg_probe(struct platform_device *pdev)
30 {
31 	struct clk_onecell_data *clk_data;
32 	struct device_node *node = pdev->dev.of_node;
33 
34 	pm_runtime_enable(&pdev->dev);
35 
36 	clk_data = mtk_alloc_clk_data(CLK_MFG_NR_CLK);
37 
38 	mtk_clk_register_gates_with_dev(node, mfg_clks, ARRAY_SIZE(mfg_clks),
39 			clk_data, &pdev->dev);
40 
41 	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
42 }
43 
44 static const struct of_device_id of_match_clk_mt8183_mfg[] = {
45 	{ .compatible = "mediatek,mt8183-mfgcfg", },
46 	{}
47 };
48 
49 static struct platform_driver clk_mt8183_mfg_drv = {
50 	.probe = clk_mt8183_mfg_probe,
51 	.driver = {
52 		.name = "clk-mt8183-mfg",
53 		.of_match_table = of_match_clk_mt8183_mfg,
54 	},
55 };
56 
57 builtin_platform_driver(clk_mt8183_mfg_drv);
58