diff options
author | Antoine Tenart <antoine.tenart@free-electrons.com> | 2014-05-19 13:36:32 -0400 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2014-05-22 18:06:38 -0400 |
commit | 48b6bce352891a66ddbda826c46536aaaf16d618 (patch) | |
tree | 257a0b31eec8eebf074b7450a3c7705cc690efed /drivers/pinctrl/berlin | |
parent | b016d1bd0592478813cc659ee4ac49f51f160e7b (diff) |
pinctrl: berlin: add the BG2CD pinctrl driver
Add the pin-controller driver for the Berlin BG2Q SoC, with definition
of its groups and functions. Pin control registers are part of chip/
system control registers, which will be represented by a single node.
Until a proper driver for the chip/system control is available,
register the corresponding regmap in pinctrl driver probe.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/berlin')
-rw-r--r-- | drivers/pinctrl/berlin/Kconfig | 4 | ||||
-rw-r--r-- | drivers/pinctrl/berlin/Makefile | 1 | ||||
-rw-r--r-- | drivers/pinctrl/berlin/berlin-bg2cd.c | 217 |
3 files changed, 222 insertions, 0 deletions
diff --git a/drivers/pinctrl/berlin/Kconfig b/drivers/pinctrl/berlin/Kconfig index 381f46347c51..b18322bc7bf9 100644 --- a/drivers/pinctrl/berlin/Kconfig +++ b/drivers/pinctrl/berlin/Kconfig | |||
@@ -9,6 +9,10 @@ config PINCTRL_BERLIN_BG2 | |||
9 | bool | 9 | bool |
10 | select PINCTRL_BERLIN | 10 | select PINCTRL_BERLIN |
11 | 11 | ||
12 | config PINCTRL_BERLIN_BG2CD | ||
13 | bool | ||
14 | select PINCTRL_BERLIN | ||
15 | |||
12 | config PINCTRL_BERLIN_BG2Q | 16 | config PINCTRL_BERLIN_BG2Q |
13 | bool | 17 | bool |
14 | select PINCTRL_BERLIN | 18 | select PINCTRL_BERLIN |
diff --git a/drivers/pinctrl/berlin/Makefile b/drivers/pinctrl/berlin/Makefile index e37e4e7a8838..deb0c6baf316 100644 --- a/drivers/pinctrl/berlin/Makefile +++ b/drivers/pinctrl/berlin/Makefile | |||
@@ -1,3 +1,4 @@ | |||
1 | obj-$(CONFIG_PINCTRL_BERLIN) += berlin.o | 1 | obj-$(CONFIG_PINCTRL_BERLIN) += berlin.o |
2 | obj-$(CONFIG_PINCTRL_BERLIN_BG2) += berlin-bg2.o | 2 | obj-$(CONFIG_PINCTRL_BERLIN_BG2) += berlin-bg2.o |
3 | obj-$(CONFIG_PINCTRL_BERLIN_BG2CD) += berlin-bg2cd.o | ||
3 | obj-$(CONFIG_PINCTRL_BERLIN_BG2Q) += berlin-bg2q.o | 4 | obj-$(CONFIG_PINCTRL_BERLIN_BG2Q) += berlin-bg2q.o |
diff --git a/drivers/pinctrl/berlin/berlin-bg2cd.c b/drivers/pinctrl/berlin/berlin-bg2cd.c new file mode 100644 index 000000000000..e095a5d94395 --- /dev/null +++ b/drivers/pinctrl/berlin/berlin-bg2cd.c | |||
@@ -0,0 +1,217 @@ | |||
1 | /* | ||
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 | |||
20 | static 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 | |||
124 | static 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 | |||
152 | static 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 | |||
157 | static 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 | |||
162 | static 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 | }; | ||
173 | MODULE_DEVICE_TABLE(of, berlin2cd_pinctrl_match); | ||
174 | |||
175 | static 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); | ||
189 | base = devm_request_and_ioremap(&pdev->dev, res); | ||
190 | if (!base) | ||
191 | return -EADDRNOTAVAIL; | ||
192 | |||
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 | |||
205 | static 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 | }; | ||
213 | module_platform_driver(berlin2cd_pinctrl_driver); | ||
214 | |||
215 | MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>"); | ||
216 | MODULE_DESCRIPTION("Marvell Berlin BG2CD pinctrl driver"); | ||
217 | MODULE_LICENSE("GPL"); | ||