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 "clk-gate.h"
7 #include "clk-mtk.h"
8 
9 #include <dt-bindings/clock/mt8195-clk.h>
10 #include <linux/clk-provider.h>
11 #include <linux/platform_device.h>
12 
13 static const struct mtk_gate_regs imp_iic_wrap_cg_regs = {
14 	.set_ofs = 0xe08,
15 	.clr_ofs = 0xe04,
16 	.sta_ofs = 0xe00,
17 };
18 
19 #define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift)				\
20 	GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift,	\
21 		&mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE)
22 
23 static const struct mtk_gate imp_iic_wrap_s_clks[] = {
24 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C5, "imp_iic_wrap_s_i2c5", "top_i2c", 0),
25 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C6, "imp_iic_wrap_s_i2c6", "top_i2c", 1),
26 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "top_i2c", 2),
27 };
28 
29 static const struct mtk_gate imp_iic_wrap_w_clks[] = {
30 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C0, "imp_iic_wrap_w_i2c0", "top_i2c", 0),
31 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C1, "imp_iic_wrap_w_i2c1", "top_i2c", 1),
32 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C2, "imp_iic_wrap_w_i2c2", "top_i2c", 2),
33 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C3, "imp_iic_wrap_w_i2c3", "top_i2c", 3),
34 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C4, "imp_iic_wrap_w_i2c4", "top_i2c", 4),
35 };
36 
37 static const struct mtk_clk_desc imp_iic_wrap_s_desc = {
38 	.clks = imp_iic_wrap_s_clks,
39 	.num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks),
40 };
41 
42 static const struct mtk_clk_desc imp_iic_wrap_w_desc = {
43 	.clks = imp_iic_wrap_w_clks,
44 	.num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks),
45 };
46 
47 static const struct of_device_id of_match_clk_mt8195_imp_iic_wrap[] = {
48 	{
49 		.compatible = "mediatek,mt8195-imp_iic_wrap_s",
50 		.data = &imp_iic_wrap_s_desc,
51 	}, {
52 		.compatible = "mediatek,mt8195-imp_iic_wrap_w",
53 		.data = &imp_iic_wrap_w_desc,
54 	}, {
55 		/* sentinel */
56 	}
57 };
58 
59 static struct platform_driver clk_mt8195_imp_iic_wrap_drv = {
60 	.probe = mtk_clk_simple_probe,
61 	.remove = mtk_clk_simple_remove,
62 	.driver = {
63 		.name = "clk-mt8195-imp_iic_wrap",
64 		.of_match_table = of_match_clk_mt8195_imp_iic_wrap,
65 	},
66 };
67 builtin_platform_driver(clk_mt8195_imp_iic_wrap_drv);
68