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