blob: 89d585ef7da754c3701b223617864ffc81d89b6c [file] [log] [blame]
Antoine Tenart48b6bce2014-05-19 19:36:32 +02001/*
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
20static const struct berlin_desc_group berlin2cd_soc_pinctrl_groups[] = {
21 /* G */
22 BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 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, 0x2, 0x01,
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, 0x2, 0x02,
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, 0x2, 0x04,
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, 0x2, 0x06,
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, 0x08,
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, 0x2, 0x0b,
64 BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */
65 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
66 BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d,
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, 0x10,
71 BERLIN_PINCTRL_FUNCTION(0x0, "ss0"),
72 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
73 BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13,
74 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
75 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"),
76 BERLIN_PINCTRL_FUNCTION(0x2, "twsi0")),
77 BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16,
78 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"),
79 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
80 BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18,
81 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"),
82 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
83 BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a,
84 BERLIN_PINCTRL_FUNCTION(0x0, "usb1"),
85 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
86 BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00,
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, 0x03,
91 BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
92 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
93 BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04,
94 BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
95 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
96 BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06,
97 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
98 BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09,
99 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
100 BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c,
101 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
102 BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d,
103 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
104 BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e,
105 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
106 BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f,
107 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
108 BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12,
109 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
110 BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15,
111 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
112 BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18,
113 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
114 BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a,
115 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
116 BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c,
117 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
118 BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d,
119 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
120 BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e,
121 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
122};
123
124static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = {
125 /* GSM */
126 BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
127 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
128 BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
129 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
130 BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
131 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
132 BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
133 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
134 BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
135 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
136 BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
137 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
138 BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
139 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
140 BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
141 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
142 BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
143 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
144 BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
145 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
146 BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
147 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
148 BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
149 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
150};
151
152static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = {
153 .groups = berlin2cd_soc_pinctrl_groups,
154 .ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups),
155};
156
157static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = {
158 .groups = berlin2cd_sysmgr_pinctrl_groups,
159 .ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups),
160};
161
162static const struct of_device_id berlin2cd_pinctrl_match[] = {
163 {
164 .compatible = "marvell,berlin2cd-chip-ctrl",
165 .data = &berlin2cd_soc_pinctrl_data
166 },
167 {
168 .compatible = "marvell,berlin2cd-system-ctrl",
169 .data = &berlin2cd_sysmgr_pinctrl_data
170 },
171 {}
172};
173MODULE_DEVICE_TABLE(of, berlin2cd_pinctrl_match);
174
175static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
176{
177 const struct of_device_id *match =
178 of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
179 struct regmap_config *rmconfig;
180 struct regmap *regmap;
181 struct resource *res;
182 void __iomem *base;
183
184 rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL);
185 if (!rmconfig)
186 return -ENOMEM;
187
188 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
Jingoo Han49cfabc2014-05-27 15:29:17 +0900189 base = devm_ioremap_resource(&pdev->dev, res);
190 if (IS_ERR(base))
191 return PTR_ERR(base);
Antoine Tenart48b6bce2014-05-19 19:36:32 +0200192
193 rmconfig->reg_bits = 32,
194 rmconfig->val_bits = 32,
195 rmconfig->reg_stride = 4,
196 rmconfig->max_register = resource_size(res);
197
198 regmap = devm_regmap_init_mmio(&pdev->dev, base, rmconfig);
199 if (IS_ERR(regmap))
200 return PTR_ERR(regmap);
201
202 return berlin_pinctrl_probe(pdev, match->data);
203}
204
205static struct platform_driver berlin2cd_pinctrl_driver = {
206 .probe = berlin2cd_pinctrl_probe,
207 .driver = {
208 .name = "berlin-bg2cd-pinctrl",
209 .owner = THIS_MODULE,
210 .of_match_table = berlin2cd_pinctrl_match,
211 },
212};
213module_platform_driver(berlin2cd_pinctrl_driver);
214
215MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>");
216MODULE_DESCRIPTION("Marvell Berlin BG2CD pinctrl driver");
217MODULE_LICENSE("GPL");