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/of_device.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 imp_iic_wrap_cg_regs = {
16 	.set_ofs = 0xe08,
17 	.clr_ofs = 0xe04,
18 	.sta_ofs = 0xe00,
19 };
20 
21 #define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift)			\
22 	GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift,	\
23 		&mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE)
24 
25 static const struct mtk_gate imp_iic_wrap_c_clks[] = {
26 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C10, "imp_iic_wrap_c_i2c10", "infra_i2c0", 0),
27 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C11, "imp_iic_wrap_c_i2c11", "infra_i2c0", 1),
28 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C12, "imp_iic_wrap_c_i2c12", "infra_i2c0", 2),
29 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C13, "imp_iic_wrap_c_i2c13", "infra_i2c0", 3),
30 };
31 
32 static const struct mtk_gate imp_iic_wrap_e_clks[] = {
33 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_E_I2C3, "imp_iic_wrap_e_i2c3", "infra_i2c0", 0),
34 };
35 
36 static const struct mtk_gate imp_iic_wrap_n_clks[] = {
37 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_N_I2C0, "imp_iic_wrap_n_i2c0", "infra_i2c0", 0),
38 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_N_I2C6, "imp_iic_wrap_n_i2c6", "infra_i2c0", 1),
39 };
40 
41 static const struct mtk_gate imp_iic_wrap_s_clks[] = {
42 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "infra_i2c0", 0),
43 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C8, "imp_iic_wrap_s_i2c8", "infra_i2c0", 1),
44 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C9, "imp_iic_wrap_s_i2c9", "infra_i2c0", 2),
45 };
46 
47 static const struct mtk_gate imp_iic_wrap_w_clks[] = {
48 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C5, "imp_iic_wrap_w_i2c5", "infra_i2c0", 0),
49 };
50 
51 static const struct mtk_gate imp_iic_wrap_ws_clks[] = {
52 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C1, "imp_iic_wrap_ws_i2c1", "infra_i2c0", 0),
53 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C2, "imp_iic_wrap_ws_i2c2", "infra_i2c0", 1),
54 	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C4, "imp_iic_wrap_ws_i2c4", "infra_i2c0", 2),
55 };
56 
57 static const struct mtk_clk_desc imp_iic_wrap_c_desc = {
58 	.clks = imp_iic_wrap_c_clks,
59 	.num_clks = ARRAY_SIZE(imp_iic_wrap_c_clks),
60 };
61 
62 static const struct mtk_clk_desc imp_iic_wrap_e_desc = {
63 	.clks = imp_iic_wrap_e_clks,
64 	.num_clks = ARRAY_SIZE(imp_iic_wrap_e_clks),
65 };
66 
67 static const struct mtk_clk_desc imp_iic_wrap_n_desc = {
68 	.clks = imp_iic_wrap_n_clks,
69 	.num_clks = ARRAY_SIZE(imp_iic_wrap_n_clks),
70 };
71 
72 static const struct mtk_clk_desc imp_iic_wrap_s_desc = {
73 	.clks = imp_iic_wrap_s_clks,
74 	.num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks),
75 };
76 
77 static const struct mtk_clk_desc imp_iic_wrap_w_desc = {
78 	.clks = imp_iic_wrap_w_clks,
79 	.num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks),
80 };
81 
82 static const struct mtk_clk_desc imp_iic_wrap_ws_desc = {
83 	.clks = imp_iic_wrap_ws_clks,
84 	.num_clks = ARRAY_SIZE(imp_iic_wrap_ws_clks),
85 };
86 
87 static const struct of_device_id of_match_clk_mt8192_imp_iic_wrap[] = {
88 	{
89 		.compatible = "mediatek,mt8192-imp_iic_wrap_c",
90 		.data = &imp_iic_wrap_c_desc,
91 	}, {
92 		.compatible = "mediatek,mt8192-imp_iic_wrap_e",
93 		.data = &imp_iic_wrap_e_desc,
94 	}, {
95 		.compatible = "mediatek,mt8192-imp_iic_wrap_n",
96 		.data = &imp_iic_wrap_n_desc,
97 	}, {
98 		.compatible = "mediatek,mt8192-imp_iic_wrap_s",
99 		.data = &imp_iic_wrap_s_desc,
100 	}, {
101 		.compatible = "mediatek,mt8192-imp_iic_wrap_w",
102 		.data = &imp_iic_wrap_w_desc,
103 	}, {
104 		.compatible = "mediatek,mt8192-imp_iic_wrap_ws",
105 		.data = &imp_iic_wrap_ws_desc,
106 	}, {
107 		/* sentinel */
108 	}
109 };
110 
111 static struct platform_driver clk_mt8192_imp_iic_wrap_drv = {
112 	.probe = mtk_clk_simple_probe,
113 	.driver = {
114 		.name = "clk-mt8192-imp_iic_wrap",
115 		.of_match_table = of_match_clk_mt8192_imp_iic_wrap,
116 	},
117 };
118 
119 builtin_platform_driver(clk_mt8192_imp_iic_wrap_drv);
120