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