1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Marvell Berlin BG2 pinctrl driver.
4 *
5 * Copyright (C) 2014 Marvell Technology Group Ltd.
6 *
7 * Antoine Ténart <antoine.tenart@free-electrons.com>
8 */
9
10 #include <linux/init.h>
11 #include <linux/of_device.h>
12 #include <linux/platform_device.h>
13 #include <linux/regmap.h>
14
15 #include "berlin.h"
16
17 static const struct berlin_desc_group berlin2_soc_pinctrl_groups[] = {
18 /* G */
19 BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 0x00,
20 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
21 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
22 BERLIN_PINCTRL_GROUP("G1", 0x00, 0x2, 0x01,
23 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS1n */
24 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
25 BERLIN_PINCTRL_FUNCTION(0x2, "usb1")),
26 BERLIN_PINCTRL_GROUP("G2", 0x00, 0x2, 0x02,
27 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
28 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS2n */
29 BERLIN_PINCTRL_FUNCTION(0x2, "pwm"),
30 BERLIN_PINCTRL_FUNCTION(0x3, "i2s0")),
31 BERLIN_PINCTRL_GROUP("G3", 0x00, 0x2, 0x04,
32 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
33 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS3n */
34 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
35 BERLIN_PINCTRL_FUNCTION(0x3, "i2s1")),
36 BERLIN_PINCTRL_GROUP("G4", 0x00, 0x2, 0x06,
37 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK/SDI/SDO */
38 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
39 BERLIN_PINCTRL_FUNCTION(0x2, "pwm")),
40 BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x08,
41 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
42 BERLIN_PINCTRL_FUNCTION(0x1, "sts1"),
43 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
44 /*
45 * Mode 0x3 mux i2s2 mclk *and* i2s3 mclk:
46 * add two functions so it can be used with other groups
47 * within the same subnode in the device tree
48 */
49 BERLIN_PINCTRL_FUNCTION(0x3, "i2s2"),
50 BERLIN_PINCTRL_FUNCTION(0x3, "i2s3")),
51 BERLIN_PINCTRL_GROUP("G6", 0x00, 0x2, 0x0b,
52 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
53 BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
54 BERLIN_PINCTRL_FUNCTION(0x2, "et")),
55 BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d,
56 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
57 BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
58 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
59 BERLIN_PINCTRL_FUNCTION(0x3, "vdac")),
60 BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10,
61 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
62 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
63 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
64 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
65 BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
66 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
67 BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13,
68 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
69 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
70 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
71 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
72 BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
73 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
74 BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16,
75 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
76 BERLIN_PINCTRL_FUNCTION(0x1, "twsi0"),
77 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
78 BERLIN_PINCTRL_FUNCTION(0x3, "ptp")),
79 BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18,
80 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
81 BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
82 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
83 BERLIN_PINCTRL_FUNCTION(0x3, "eddc")),
84 BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a,
85 BERLIN_PINCTRL_FUNCTION(0x0, "sts2"),
86 BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
87 BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
88 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
89 BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
90 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
91 BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00,
92 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
93 BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
94 BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
95 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
96 BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
97 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
98 BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03,
99 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
100 BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04,
101 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
102 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
103 BERLIN_PINCTRL_FUNCTION(0x3, "osco")),
104 BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06,
105 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
106 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
107 BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
108 BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09,
109 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
110 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
111 BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
112 BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c,
113 BERLIN_PINCTRL_FUNCTION(0x0, "pll"),
114 BERLIN_PINCTRL_FUNCTION(0x1, "i2s0")),
115 BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d,
116 BERLIN_PINCTRL_FUNCTION(0x0, "i2s0"),
117 BERLIN_PINCTRL_FUNCTION(0x1, "pwm")),
118 BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e,
119 BERLIN_PINCTRL_FUNCTION(0x0, "spdif"),
120 BERLIN_PINCTRL_FUNCTION(0x1, "arc")),
121 BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f,
122 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
123 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
124 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
125 BERLIN_PINCTRL_FUNCTION(0x3, "adac_dbg"),
126 BERLIN_PINCTRL_FUNCTION(0x4, "pdm_a"), /* gpio17..19,pdm */
127 BERLIN_PINCTRL_FUNCTION(0x7, "pdm_b")), /* gpio12..14,pdm */
128 BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12,
129 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
130 BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
131 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
132 BERLIN_PINCTRL_FUNCTION(0x3, "twsi0"),
133 BERLIN_PINCTRL_FUNCTION(0x4, "pwm")),
134 BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15,
135 BERLIN_PINCTRL_FUNCTION(0x0, "vclki"),
136 BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
137 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
138 BERLIN_PINCTRL_FUNCTION(0x3, "i2s0"),
139 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
140 BERLIN_PINCTRL_FUNCTION(0x7, "pdm")),
141 BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18,
142 BERLIN_PINCTRL_FUNCTION(0x0, "i2s2"),
143 BERLIN_PINCTRL_FUNCTION(0x1, "i2s1")),
144 BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a,
145 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
146 BERLIN_PINCTRL_FUNCTION(0x1, "nand"),
147 BERLIN_PINCTRL_FUNCTION(0x2, "i2s2")),
148 BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c,
149 BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
150 BERLIN_PINCTRL_FUNCTION(0x1, "emmc")),
151 BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d,
152 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
153 BERLIN_PINCTRL_FUNCTION(0x1, "nand")),
154 BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e,
155 BERLIN_PINCTRL_FUNCTION(0x0, "dvo"),
156 BERLIN_PINCTRL_FUNCTION(0x2, "sp")),
157 };
158
159 static const struct berlin_desc_group berlin2_sysmgr_pinctrl_groups[] = {
160 /* GSM */
161 BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
162 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
163 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* SS0n */
164 BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
165 BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
166 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
167 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* SS1n */
168 BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
169 BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
170 BERLIN_PINCTRL_FUNCTION(0x0, "twsi2"),
171 BERLIN_PINCTRL_FUNCTION(0x1, "spi2")), /* SS2n/SS3n */
172 BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
173 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
174 BERLIN_PINCTRL_FUNCTION(0x1, "uart0"), /* CTS/RTS */
175 BERLIN_PINCTRL_FUNCTION(0x2, "uart2"), /* RX/TX */
176 BERLIN_PINCTRL_FUNCTION(0x3, "twsi2")),
177 BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
178 BERLIN_PINCTRL_FUNCTION(0x0, "uart0"), /* RX/TX */
179 BERLIN_PINCTRL_FUNCTION(0x1, "irda0")),
180 BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
181 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
182 BERLIN_PINCTRL_FUNCTION(0x1, "uart1"), /* RX/TX */
183 BERLIN_PINCTRL_FUNCTION(0x2, "irda1"),
184 BERLIN_PINCTRL_FUNCTION(0x3, "twsi3")),
185 BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
186 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
187 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* CLK/SDO */
188 BERLIN_PINCTRL_FUNCTION(0x1, "clki")),
189 BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
190 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
191 BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
192 BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
193 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
194 BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
195 BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
196 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
197 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
198 BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
199 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
200 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
201 BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
202 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
203 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
204 };
205
206 static const struct berlin_pinctrl_desc berlin2_soc_pinctrl_data = {
207 .groups = berlin2_soc_pinctrl_groups,
208 .ngroups = ARRAY_SIZE(berlin2_soc_pinctrl_groups),
209 };
210
211 static const struct berlin_pinctrl_desc berlin2_sysmgr_pinctrl_data = {
212 .groups = berlin2_sysmgr_pinctrl_groups,
213 .ngroups = ARRAY_SIZE(berlin2_sysmgr_pinctrl_groups),
214 };
215
216 static const struct of_device_id berlin2_pinctrl_match[] = {
217 {
218 .compatible = "marvell,berlin2-soc-pinctrl",
219 .data = &berlin2_soc_pinctrl_data
220 },
221 {
222 .compatible = "marvell,berlin2-system-pinctrl",
223 .data = &berlin2_sysmgr_pinctrl_data
224 },
225 {}
226 };
227
berlin2_pinctrl_probe(struct platform_device * pdev)228 static int berlin2_pinctrl_probe(struct platform_device *pdev)
229 {
230 const struct of_device_id *match =
231 of_match_device(berlin2_pinctrl_match, &pdev->dev);
232
233 return berlin_pinctrl_probe(pdev, match->data);
234 }
235
236 static struct platform_driver berlin2_pinctrl_driver = {
237 .probe = berlin2_pinctrl_probe,
238 .driver = {
239 .name = "berlin-bg2-pinctrl",
240 .of_match_table = berlin2_pinctrl_match,
241 },
242 };
243 builtin_platform_driver(berlin2_pinctrl_driver);
244