1 /*
2  * Marvell Berlin BG2CD pinctrl driver.
3  *
4  * Copyright (C) 2014 Marvell Technology Group Ltd.
5  *
6  * Antoine Ténart <antoine.tenart@free-electrons.com>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2. This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/of_device.h>
15 #include <linux/platform_device.h>
16 #include <linux/regmap.h>
17 
18 #include "berlin.h"
19 
20 static const struct berlin_desc_group berlin2cd_soc_pinctrl_groups[] = {
21 	/* G */
22 	BERLIN_PINCTRL_GROUP("G0", 0x00, 0x3, 0x00,
23 		BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
24 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
25 		BERLIN_PINCTRL_FUNCTION(0x2, "led"),
26 		BERLIN_PINCTRL_FUNCTION(0x3, "pwm")),
27 	BERLIN_PINCTRL_GROUP("G1", 0x00, 0x3, 0x03,
28 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
29 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
30 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
31 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
32 	BERLIN_PINCTRL_GROUP("G2", 0x00, 0x3, 0x06,
33 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
34 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
35 		BERLIN_PINCTRL_FUNCTION(0x2, "fe"),
36 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
37 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
38 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
39 	BERLIN_PINCTRL_GROUP("G3", 0x00, 0x3, 0x09,
40 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
41 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
42 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi2"),
43 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
44 		BERLIN_PINCTRL_FUNCTION(0x4, "fe"),
45 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
46 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
47 	BERLIN_PINCTRL_GROUP("G4", 0x00, 0x3, 0x0c,
48 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
49 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
50 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
51 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
52 		BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
53 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
54 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
55 	BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x0f,
56 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
57 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
58 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
59 		BERLIN_PINCTRL_FUNCTION(0x3, "arc"),
60 		BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
61 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
62 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
63 	BERLIN_PINCTRL_GROUP("G6", 0x00, 0x3, 0x12,
64 		BERLIN_PINCTRL_FUNCTION(0x0, "uart0"),	/* RX/TX */
65 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
66 	BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x15,
67 		BERLIN_PINCTRL_FUNCTION(0x0, "eddc"),
68 		BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
69 		BERLIN_PINCTRL_FUNCTION(0x2, "gpio")),
70 	BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x18,
71 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
72 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
73 	BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x1b,
74 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
75 		BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS1n/SS2n */
76 		BERLIN_PINCTRL_FUNCTION(0x3, "twsi0")),
77 	BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x1e,
78 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK */
79 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
80 	BERLIN_PINCTRL_GROUP("G11", 0x04, 0x2, 0x00,
81 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SDI/SDO */
82 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
83 	BERLIN_PINCTRL_GROUP("G12", 0x04, 0x3, 0x02,
84 		BERLIN_PINCTRL_FUNCTION(0x0, "usb1"),
85 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
86 	BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x05,
87 		BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
88 		BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"),
89 		BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")),
90 	BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x08,
91 		BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
92 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
93 	BERLIN_PINCTRL_GROUP("G15", 0x04, 0x3, 0x09,
94 		BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
95 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
96 	BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x0c,
97 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
98 	BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x0f,
99 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
100 	BERLIN_PINCTRL_GROUP("G18", 0x04, 0x2, 0x12,
101 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
102 	BERLIN_PINCTRL_GROUP("G19", 0x04, 0x2, 0x14,
103 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
104 	BERLIN_PINCTRL_GROUP("G20", 0x04, 0x2, 0x16,
105 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
106 	BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x18,
107 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
108 	BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x1b,
109 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
110 	BERLIN_PINCTRL_GROUP("G23", 0x08, 0x3, 0x00,
111 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
112 	BERLIN_PINCTRL_GROUP("G24", 0x08, 0x2, 0x03,
113 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
114 	BERLIN_PINCTRL_GROUP("G25", 0x08, 0x2, 0x05,
115 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
116 	BERLIN_PINCTRL_GROUP("G26", 0x08, 0x1, 0x07,
117 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
118 	BERLIN_PINCTRL_GROUP("G27", 0x08, 0x2, 0x08,
119 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
120 	BERLIN_PINCTRL_GROUP("G28", 0x08, 0x3, 0x0a,
121 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
122 	BERLIN_PINCTRL_GROUP("G29", 0x08, 0x3, 0x0d,
123 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
124 };
125 
126 static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = {
127 	/* GSM */
128 	BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
129 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
130 	BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
131 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
132 	BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
133 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
134 	BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
135 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
136 	BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
137 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
138 	BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
139 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
140 	BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
141 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
142 	BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
143 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
144 	BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
145 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
146 	BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
147 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
148 	BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
149 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
150 	BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
151 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
152 };
153 
154 static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = {
155 	.groups = berlin2cd_soc_pinctrl_groups,
156 	.ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups),
157 };
158 
159 static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = {
160 	.groups = berlin2cd_sysmgr_pinctrl_groups,
161 	.ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups),
162 };
163 
164 static const struct of_device_id berlin2cd_pinctrl_match[] = {
165 	{
166 		.compatible = "marvell,berlin2cd-soc-pinctrl",
167 		.data = &berlin2cd_soc_pinctrl_data
168 	},
169 	{
170 		.compatible = "marvell,berlin2cd-system-pinctrl",
171 		.data = &berlin2cd_sysmgr_pinctrl_data
172 	},
173 	{}
174 };
175 MODULE_DEVICE_TABLE(of, berlin2cd_pinctrl_match);
176 
177 static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
178 {
179 	const struct of_device_id *match =
180 		of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
181 
182 	return berlin_pinctrl_probe(pdev, match->data);
183 }
184 
185 static struct platform_driver berlin2cd_pinctrl_driver = {
186 	.probe	= berlin2cd_pinctrl_probe,
187 	.driver	= {
188 		.name = "berlin-bg2cd-pinctrl",
189 		.of_match_table = berlin2cd_pinctrl_match,
190 	},
191 };
192 module_platform_driver(berlin2cd_pinctrl_driver);
193 
194 MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>");
195 MODULE_DESCRIPTION("Marvell Berlin BG2CD pinctrl driver");
196 MODULE_LICENSE("GPL");
197