Commit | Line | Data |
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1dbae815 TL |
1 | /* |
2 | * linux/arch/arm/mach-omap2/devices.c | |
3 | * | |
4 | * OMAP2 platform device setup/initialization | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
2f8163ba | 11 | #include <linux/gpio.h> |
1dbae815 TL |
12 | #include <linux/kernel.h> |
13 | #include <linux/init.h> | |
14 | #include <linux/platform_device.h> | |
fced80c7 | 15 | #include <linux/io.h> |
917fa280 | 16 | #include <linux/clk.h> |
f2ce6231 | 17 | #include <linux/err.h> |
1a5d8190 | 18 | #include <linux/slab.h> |
ad8dfac6 | 19 | #include <linux/of.h> |
484202f4 | 20 | #include <linux/pinctrl/machine.h> |
b8a7cf8e | 21 | #include <linux/platform_data/mailbox-omap.h> |
1dbae815 | 22 | |
1dbae815 TL |
23 | #include <asm/mach-types.h> |
24 | #include <asm/mach/map.h> | |
25 | ||
45c3eb7d | 26 | #include <linux/omap-dma.h> |
2a296c8f | 27 | |
ee0839c2 | 28 | #include "iomap.h" |
2a296c8f | 29 | #include "omap_hwmod.h" |
25c7d49e | 30 | #include "omap_device.h" |
1dbae815 | 31 | |
7d7e1eba TL |
32 | #include "soc.h" |
33 | #include "common.h" | |
4896e394 | 34 | #include "mux.h" |
4814ced5 | 35 | #include "control.h" |
576e5bda | 36 | #include "display.h" |
4896e394 | 37 | |
0abcf618 | 38 | #define L3_MODULES_MAX_LEN 12 |
a4dc616a | 39 | #define L3_MODULES 3 |
0abcf618 | 40 | |
41 | static int __init omap3_l3_init(void) | |
42 | { | |
0abcf618 | 43 | struct omap_hwmod *oh; |
3528c58e | 44 | struct platform_device *pdev; |
0abcf618 | 45 | char oh_name[L3_MODULES_MAX_LEN]; |
46 | ||
47 | /* | |
48 | * To avoid code running on other OMAPs in | |
49 | * multi-omap builds | |
50 | */ | |
aa25729c | 51 | if (!(cpu_is_omap34xx()) || of_have_populated_dt()) |
0abcf618 | 52 | return -ENODEV; |
53 | ||
eeb3711b | 54 | snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); |
0abcf618 | 55 | |
56 | oh = omap_hwmod_lookup(oh_name); | |
57 | ||
58 | if (!oh) | |
59 | pr_err("could not look up %s\n", oh_name); | |
60 | ||
c1d1cd59 | 61 | pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); |
0abcf618 | 62 | |
3528c58e | 63 | WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); |
0abcf618 | 64 | |
e44be50c | 65 | return PTR_ERR_OR_ZERO(pdev); |
0abcf618 | 66 | } |
b76c8b19 | 67 | omap_postcore_initcall(omap3_l3_init); |
0abcf618 | 68 | |
c869c75c | 69 | #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE) |
9cf793f9 | 70 | static inline void __init omap_init_mbox(void) |
c40fae95 | 71 | { |
69dbf857 | 72 | struct omap_hwmod *oh; |
3528c58e | 73 | struct platform_device *pdev; |
b8a7cf8e | 74 | struct omap_mbox_pdata *pdata; |
69dbf857 FC |
75 | |
76 | oh = omap_hwmod_lookup("mailbox"); | |
77 | if (!oh) { | |
78 | pr_err("%s: unable to find hwmod\n", __func__); | |
6c20a683 HD |
79 | return; |
80 | } | |
b8a7cf8e SA |
81 | if (!oh->dev_attr) { |
82 | pr_err("%s: hwmod doesn't have valid attrs\n", __func__); | |
83 | return; | |
84 | } | |
69dbf857 | 85 | |
b8a7cf8e SA |
86 | pdata = (struct omap_mbox_pdata *)oh->dev_attr; |
87 | pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata)); | |
3528c58e KH |
88 | WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", |
89 | __func__, PTR_ERR(pdev)); | |
c40fae95 TL |
90 | } |
91 | #else | |
92 | static inline void omap_init_mbox(void) { } | |
c869c75c | 93 | #endif /* CONFIG_OMAP2PLUS_MBOX */ |
c40fae95 | 94 | |
9b6553cd | 95 | static inline void omap_init_sti(void) {} |
9b6553cd | 96 | |
f0fba2ad LG |
97 | #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) |
98 | ||
99 | static struct platform_device omap_pcm = { | |
100 | .name = "omap-pcm-audio", | |
101 | .id = -1, | |
102 | }; | |
103 | ||
f0fba2ad LG |
104 | static void omap_init_audio(void) |
105 | { | |
f0fba2ad LG |
106 | platform_device_register(&omap_pcm); |
107 | } | |
108 | ||
109 | #else | |
110 | static inline void omap_init_audio(void) {} | |
111 | #endif | |
112 | ||
646e3ed1 | 113 | #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) |
ed7eb9d9 | 114 | |
2203747c | 115 | #include <linux/platform_data/spi-omap2-mcspi.h> |
ed7eb9d9 | 116 | |
9cf793f9 | 117 | static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) |
af41a12f | 118 | { |
3528c58e | 119 | struct platform_device *pdev; |
1a5d8190 C |
120 | char *name = "omap2_mcspi"; |
121 | struct omap2_mcspi_platform_config *pdata; | |
122 | static int spi_num; | |
123 | struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; | |
124 | ||
125 | pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); | |
126 | if (!pdata) { | |
127 | pr_err("Memory allocation for McSPI device failed\n"); | |
128 | return -ENOMEM; | |
129 | } | |
af41a12f | 130 | |
1a5d8190 C |
131 | pdata->num_cs = mcspi_attrib->num_chipselect; |
132 | switch (oh->class->rev) { | |
133 | case OMAP2_MCSPI_REV: | |
134 | case OMAP3_MCSPI_REV: | |
135 | pdata->regs_offset = 0; | |
136 | break; | |
137 | case OMAP4_MCSPI_REV: | |
138 | pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; | |
139 | break; | |
140 | default: | |
141 | pr_err("Invalid McSPI Revision value\n"); | |
e0feca89 | 142 | kfree(pdata); |
1a5d8190 C |
143 | return -EINVAL; |
144 | } | |
af41a12f | 145 | |
1a5d8190 | 146 | spi_num++; |
c1d1cd59 | 147 | pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); |
3528c58e | 148 | WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", |
1a5d8190 C |
149 | name, oh->name); |
150 | kfree(pdata); | |
151 | return 0; | |
af41a12f | 152 | } |
af41a12f TL |
153 | |
154 | static void omap_init_mcspi(void) | |
155 | { | |
1a5d8190 | 156 | omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); |
ed7eb9d9 JY |
157 | } |
158 | ||
159 | #else | |
160 | static inline void omap_init_mcspi(void) {} | |
161 | #endif | |
162 | ||
4848d460 PW |
163 | /** |
164 | * omap_init_rng - bind the RNG hwmod to the RNG omap_device | |
165 | * | |
166 | * Bind the RNG hwmod to the RNG omap_device. No return value. | |
167 | */ | |
168 | static void omap_init_rng(void) | |
169 | { | |
170 | struct omap_hwmod *oh; | |
171 | struct platform_device *pdev; | |
172 | ||
173 | oh = omap_hwmod_lookup("rng"); | |
174 | if (!oh) | |
175 | return; | |
176 | ||
c1d1cd59 | 177 | pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); |
4848d460 PW |
178 | WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); |
179 | } | |
88341334 | 180 | |
26f88e6e | 181 | static void __init omap_init_sham(void) |
646e3ed1 | 182 | { |
8c7bb573 MG |
183 | struct omap_hwmod *oh; |
184 | struct platform_device *pdev; | |
185 | ||
186 | oh = omap_hwmod_lookup("sham"); | |
187 | if (!oh) | |
188 | return; | |
189 | ||
190 | pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); | |
191 | WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); | |
646e3ed1 | 192 | } |
646e3ed1 | 193 | |
14ae5564 | 194 | static void __init omap_init_aes(void) |
b744c679 | 195 | { |
77e2fd84 MG |
196 | struct omap_hwmod *oh; |
197 | struct platform_device *pdev; | |
198 | ||
199 | oh = omap_hwmod_lookup("aes"); | |
200 | if (!oh) | |
201 | return; | |
202 | ||
203 | pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); | |
204 | WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); | |
b744c679 DK |
205 | } |
206 | ||
d8874665 TL |
207 | /*-------------------------------------------------------------------------*/ |
208 | ||
b227358d VH |
209 | #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ |
210 | defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) | |
211 | #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) | |
212 | static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { | |
213 | }; | |
214 | #else | |
215 | static struct resource omap_vout_resource[2] = { | |
216 | }; | |
217 | #endif | |
218 | ||
219 | static struct platform_device omap_vout_device = { | |
220 | .name = "omap_vout", | |
221 | .num_resources = ARRAY_SIZE(omap_vout_resource), | |
222 | .resource = &omap_vout_resource[0], | |
223 | .id = -1, | |
224 | }; | |
576e5bda AT |
225 | |
226 | int __init omap_init_vout(void) | |
b227358d | 227 | { |
576e5bda | 228 | return platform_device_register(&omap_vout_device); |
b227358d VH |
229 | } |
230 | #else | |
576e5bda | 231 | int __init omap_init_vout(void) { return 0; } |
b227358d VH |
232 | #endif |
233 | ||
1dbae815 TL |
234 | /*-------------------------------------------------------------------------*/ |
235 | ||
236 | static int __init omap2_init_devices(void) | |
237 | { | |
484202f4 MP |
238 | /* Enable dummy states for those platforms without pinctrl support */ |
239 | if (!of_have_populated_dt()) | |
240 | pinctrl_provide_dummies(); | |
241 | ||
81fbc5ef PW |
242 | /* |
243 | * please keep these calls, and their implementations above, | |
1dbae815 TL |
244 | * in alphabetical order so they're easier to sort through. |
245 | */ | |
f0fba2ad | 246 | omap_init_audio(); |
efcf1e50 | 247 | /* If dtb is there, the devices will be created dynamically */ |
259bd6ce | 248 | if (!of_have_populated_dt()) { |
dbd5f460 | 249 | omap_init_mbox(); |
efcf1e50 | 250 | omap_init_mcspi(); |
114d7a8b | 251 | omap_init_sham(); |
53335acc | 252 | omap_init_aes(); |
674ee08f | 253 | omap_init_rng(); |
259bd6ce | 254 | } |
9b6553cd | 255 | omap_init_sti(); |
1dbae815 TL |
256 | |
257 | return 0; | |
258 | } | |
b76c8b19 | 259 | omap_arch_initcall(omap2_init_devices); |
a8612809 TL |
260 | |
261 | static int __init omap_gpmc_init(void) | |
262 | { | |
263 | struct omap_hwmod *oh; | |
264 | struct platform_device *pdev; | |
265 | char *oh_name = "gpmc"; | |
266 | ||
267 | /* | |
268 | * if the board boots up with a populated DT, do not | |
269 | * manually add the device from this initcall | |
270 | */ | |
271 | if (of_have_populated_dt()) | |
272 | return -ENODEV; | |
273 | ||
274 | oh = omap_hwmod_lookup(oh_name); | |
275 | if (!oh) { | |
276 | pr_err("Could not look up %s\n", oh_name); | |
277 | return -ENODEV; | |
278 | } | |
279 | ||
280 | pdev = omap_device_build("omap-gpmc", -1, oh, NULL, 0); | |
281 | WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); | |
282 | ||
e44be50c | 283 | return PTR_ERR_OR_ZERO(pdev); |
a8612809 TL |
284 | } |
285 | omap_postcore_initcall(omap_gpmc_init); |