1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Marvell Berlin BG2CD 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 berlin2cd_soc_pinctrl_groups[] = {
18 	/* G */
19 	BERLIN_PINCTRL_GROUP("G0", 0x00, 0x3, 0x00,
20 		BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
21 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
22 		BERLIN_PINCTRL_FUNCTION(0x2, "led"),
23 		BERLIN_PINCTRL_FUNCTION(0x3, "pwm")),
24 	BERLIN_PINCTRL_GROUP("G1", 0x00, 0x3, 0x03,
25 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
26 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
27 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
28 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
29 	BERLIN_PINCTRL_GROUP("G2", 0x00, 0x3, 0x06,
30 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
31 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
32 		BERLIN_PINCTRL_FUNCTION(0x2, "fe"),
33 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
34 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
35 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
36 	BERLIN_PINCTRL_GROUP("G3", 0x00, 0x3, 0x09,
37 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
38 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
39 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi2"),
40 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
41 		BERLIN_PINCTRL_FUNCTION(0x4, "fe"),
42 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
43 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
44 	BERLIN_PINCTRL_GROUP("G4", 0x00, 0x3, 0x0c,
45 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
46 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
47 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
48 		BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
49 		BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
50 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
51 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
52 	BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x0f,
53 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
54 		BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
55 		BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
56 		BERLIN_PINCTRL_FUNCTION(0x3, "arc"),
57 		BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
58 		BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
59 		BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
60 	BERLIN_PINCTRL_GROUP("G6", 0x00, 0x3, 0x12,
61 		BERLIN_PINCTRL_FUNCTION(0x0, "uart0"),	/* RX/TX */
62 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
63 	BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x15,
64 		BERLIN_PINCTRL_FUNCTION(0x0, "eddc"),
65 		BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
66 		BERLIN_PINCTRL_FUNCTION(0x2, "gpio")),
67 	BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x18,
68 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
69 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
70 	BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x1b,
71 		BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
72 		BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS1n/SS2n */
73 		BERLIN_PINCTRL_FUNCTION(0x3, "twsi0")),
74 	BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x1e,
75 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK */
76 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
77 	BERLIN_PINCTRL_GROUP("G11", 0x04, 0x2, 0x00,
78 		BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SDI/SDO */
79 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
80 	BERLIN_PINCTRL_GROUP("G12", 0x04, 0x3, 0x02,
81 		BERLIN_PINCTRL_FUNCTION(0x0, "usb1"),
82 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
83 	BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x05,
84 		BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
85 		BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"),
86 		BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")),
87 	BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x08,
88 		BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
89 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
90 	BERLIN_PINCTRL_GROUP("G15", 0x04, 0x3, 0x09,
91 		BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
92 		BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
93 	BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x0c,
94 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
95 	BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x0f,
96 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
97 	BERLIN_PINCTRL_GROUP("G18", 0x04, 0x2, 0x12,
98 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
99 	BERLIN_PINCTRL_GROUP("G19", 0x04, 0x2, 0x14,
100 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
101 	BERLIN_PINCTRL_GROUP("G20", 0x04, 0x2, 0x16,
102 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
103 	BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x18,
104 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
105 	BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x1b,
106 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
107 	BERLIN_PINCTRL_GROUP("G23", 0x08, 0x3, 0x00,
108 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
109 	BERLIN_PINCTRL_GROUP("G24", 0x08, 0x2, 0x03,
110 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
111 	BERLIN_PINCTRL_GROUP("G25", 0x08, 0x2, 0x05,
112 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
113 	BERLIN_PINCTRL_GROUP("G26", 0x08, 0x1, 0x07,
114 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
115 	BERLIN_PINCTRL_GROUP("G27", 0x08, 0x2, 0x08,
116 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
117 	BERLIN_PINCTRL_GROUP("G28", 0x08, 0x3, 0x0a,
118 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
119 	BERLIN_PINCTRL_GROUP("G29", 0x08, 0x3, 0x0d,
120 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
121 };
122 
123 static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = {
124 	/* GSM */
125 	BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
126 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
127 	BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
128 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
129 	BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
130 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
131 	BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
132 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
133 	BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
134 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
135 	BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
136 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
137 	BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
138 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
139 	BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
140 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
141 	BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
142 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
143 	BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
144 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
145 	BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
146 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
147 	BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
148 		BERLIN_PINCTRL_FUNCTION_UNKNOWN),
149 };
150 
151 static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = {
152 	.groups = berlin2cd_soc_pinctrl_groups,
153 	.ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups),
154 };
155 
156 static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = {
157 	.groups = berlin2cd_sysmgr_pinctrl_groups,
158 	.ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups),
159 };
160 
161 static const struct of_device_id berlin2cd_pinctrl_match[] = {
162 	{
163 		.compatible = "marvell,berlin2cd-soc-pinctrl",
164 		.data = &berlin2cd_soc_pinctrl_data
165 	},
166 	{
167 		.compatible = "marvell,berlin2cd-system-pinctrl",
168 		.data = &berlin2cd_sysmgr_pinctrl_data
169 	},
170 	{}
171 };
172 
berlin2cd_pinctrl_probe(struct platform_device * pdev)173 static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
174 {
175 	const struct of_device_id *match =
176 		of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
177 
178 	return berlin_pinctrl_probe(pdev, match->data);
179 }
180 
181 static struct platform_driver berlin2cd_pinctrl_driver = {
182 	.probe	= berlin2cd_pinctrl_probe,
183 	.driver	= {
184 		.name = "berlin-bg2cd-pinctrl",
185 		.of_match_table = berlin2cd_pinctrl_match,
186 	},
187 };
188 builtin_platform_driver(berlin2cd_pinctrl_driver);
189