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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * linux/arch/arm/mach-omap2/devices.c
4 *
5 * OMAP2 platform device setup/initialization
6 */
7
8#include <linux/kernel.h>
9#include <linux/init.h>
10#include <linux/platform_device.h>
11#include <linux/io.h>
12#include <linux/clk.h>
13#include <linux/dma-mapping.h>
14#include <linux/err.h>
15#include <linux/slab.h>
16#include <linux/of.h>
17
18#include <asm/mach-types.h>
19#include <asm/mach/map.h>
20
21#include <linux/omap-dma.h>
22
23#include "iomap.h"
24#include "omap_hwmod.h"
25#include "omap_device.h"
26
27#include "soc.h"
28#include "common.h"
29#include "control.h"
30#include "display.h"
31
32#define L3_MODULES_MAX_LEN 12
33#define L3_MODULES 3
34
35/*-------------------------------------------------------------------------*/
36
37#if IS_ENABLED(CONFIG_VIDEO_OMAP2_VOUT)
38#if IS_ENABLED(CONFIG_FB_OMAP2)
39static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
40};
41#else
42static struct resource omap_vout_resource[2] = {
43};
44#endif
45
46static u64 omap_vout_dma_mask = DMA_BIT_MASK(32);
47
48static struct platform_device omap_vout_device = {
49 .name = "omap_vout",
50 .num_resources = ARRAY_SIZE(omap_vout_resource),
51 .resource = &omap_vout_resource[0],
52 .id = -1,
53 .dev = {
54 .dma_mask = &omap_vout_dma_mask,
55 .coherent_dma_mask = DMA_BIT_MASK(32),
56 },
57};
58
59int __init omap_init_vout(void)
60{
61 return platform_device_register(&omap_vout_device);
62}
63#else
64int __init omap_init_vout(void) { return 0; }
65#endif
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 */
11#include <linux/gpio.h>
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/io.h>
16#include <linux/clk.h>
17#include <linux/err.h>
18#include <linux/slab.h>
19#include <linux/of.h>
20#include <linux/pinctrl/machine.h>
21#include <linux/platform_data/omap4-keypad.h>
22#include <linux/platform_data/mailbox-omap.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/map.h>
26
27#include <linux/omap-dma.h>
28
29#include "iomap.h"
30#include "omap_hwmod.h"
31#include "omap_device.h"
32#include "omap4-keypad.h"
33
34#include "soc.h"
35#include "common.h"
36#include "mux.h"
37#include "control.h"
38#include "devices.h"
39#include "display.h"
40
41#define L3_MODULES_MAX_LEN 12
42#define L3_MODULES 3
43
44static int __init omap3_l3_init(void)
45{
46 struct omap_hwmod *oh;
47 struct platform_device *pdev;
48 char oh_name[L3_MODULES_MAX_LEN];
49
50 /*
51 * To avoid code running on other OMAPs in
52 * multi-omap builds
53 */
54 if (!(cpu_is_omap34xx()))
55 return -ENODEV;
56
57 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
58
59 oh = omap_hwmod_lookup(oh_name);
60
61 if (!oh)
62 pr_err("could not look up %s\n", oh_name);
63
64 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
65
66 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
67
68 return PTR_RET(pdev);
69}
70omap_postcore_initcall(omap3_l3_init);
71
72static int __init omap4_l3_init(void)
73{
74 int i;
75 struct omap_hwmod *oh[3];
76 struct platform_device *pdev;
77 char oh_name[L3_MODULES_MAX_LEN];
78
79 /* If dtb is there, the devices will be created dynamically */
80 if (of_have_populated_dt())
81 return -ENODEV;
82
83 /*
84 * To avoid code running on other OMAPs in
85 * multi-omap builds
86 */
87 if (!cpu_is_omap44xx() && !soc_is_omap54xx())
88 return -ENODEV;
89
90 for (i = 0; i < L3_MODULES; i++) {
91 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
92
93 oh[i] = omap_hwmod_lookup(oh_name);
94 if (!(oh[i]))
95 pr_err("could not look up %s\n", oh_name);
96 }
97
98 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
99
100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
101
102 return PTR_RET(pdev);
103}
104omap_postcore_initcall(omap4_l3_init);
105
106#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
107
108static struct resource omap2cam_resources[] = {
109 {
110 .start = OMAP24XX_CAMERA_BASE,
111 .end = OMAP24XX_CAMERA_BASE + 0xfff,
112 .flags = IORESOURCE_MEM,
113 },
114 {
115 .start = 24 + OMAP_INTC_START,
116 .flags = IORESOURCE_IRQ,
117 }
118};
119
120static struct platform_device omap2cam_device = {
121 .name = "omap24xxcam",
122 .id = -1,
123 .num_resources = ARRAY_SIZE(omap2cam_resources),
124 .resource = omap2cam_resources,
125};
126#endif
127
128#if defined(CONFIG_IOMMU_API)
129
130#include <linux/platform_data/iommu-omap.h>
131
132static struct resource omap3isp_resources[] = {
133 {
134 .start = OMAP3430_ISP_BASE,
135 .end = OMAP3430_ISP_END,
136 .flags = IORESOURCE_MEM,
137 },
138 {
139 .start = OMAP3430_ISP_CCP2_BASE,
140 .end = OMAP3430_ISP_CCP2_END,
141 .flags = IORESOURCE_MEM,
142 },
143 {
144 .start = OMAP3430_ISP_CCDC_BASE,
145 .end = OMAP3430_ISP_CCDC_END,
146 .flags = IORESOURCE_MEM,
147 },
148 {
149 .start = OMAP3430_ISP_HIST_BASE,
150 .end = OMAP3430_ISP_HIST_END,
151 .flags = IORESOURCE_MEM,
152 },
153 {
154 .start = OMAP3430_ISP_H3A_BASE,
155 .end = OMAP3430_ISP_H3A_END,
156 .flags = IORESOURCE_MEM,
157 },
158 {
159 .start = OMAP3430_ISP_PREV_BASE,
160 .end = OMAP3430_ISP_PREV_END,
161 .flags = IORESOURCE_MEM,
162 },
163 {
164 .start = OMAP3430_ISP_RESZ_BASE,
165 .end = OMAP3430_ISP_RESZ_END,
166 .flags = IORESOURCE_MEM,
167 },
168 {
169 .start = OMAP3430_ISP_SBL_BASE,
170 .end = OMAP3430_ISP_SBL_END,
171 .flags = IORESOURCE_MEM,
172 },
173 {
174 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
175 .end = OMAP3430_ISP_CSI2A_REGS1_END,
176 .flags = IORESOURCE_MEM,
177 },
178 {
179 .start = OMAP3430_ISP_CSIPHY2_BASE,
180 .end = OMAP3430_ISP_CSIPHY2_END,
181 .flags = IORESOURCE_MEM,
182 },
183 {
184 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
185 .end = OMAP3630_ISP_CSI2A_REGS2_END,
186 .flags = IORESOURCE_MEM,
187 },
188 {
189 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
190 .end = OMAP3630_ISP_CSI2C_REGS1_END,
191 .flags = IORESOURCE_MEM,
192 },
193 {
194 .start = OMAP3630_ISP_CSIPHY1_BASE,
195 .end = OMAP3630_ISP_CSIPHY1_END,
196 .flags = IORESOURCE_MEM,
197 },
198 {
199 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
200 .end = OMAP3630_ISP_CSI2C_REGS2_END,
201 .flags = IORESOURCE_MEM,
202 },
203 {
204 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
205 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
206 .flags = IORESOURCE_MEM,
207 },
208 {
209 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
210 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
211 .flags = IORESOURCE_MEM,
212 },
213 {
214 .start = 24 + OMAP_INTC_START,
215 .flags = IORESOURCE_IRQ,
216 }
217};
218
219static struct platform_device omap3isp_device = {
220 .name = "omap3isp",
221 .id = -1,
222 .num_resources = ARRAY_SIZE(omap3isp_resources),
223 .resource = omap3isp_resources,
224};
225
226static struct omap_iommu_arch_data omap3_isp_iommu = {
227 .name = "mmu_isp",
228};
229
230int omap3_init_camera(struct isp_platform_data *pdata)
231{
232 if (of_have_populated_dt())
233 omap3_isp_iommu.name = "480bd400.mmu";
234
235 omap3isp_device.dev.platform_data = pdata;
236 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
237
238 return platform_device_register(&omap3isp_device);
239}
240
241#else /* !CONFIG_IOMMU_API */
242
243int omap3_init_camera(struct isp_platform_data *pdata)
244{
245 return 0;
246}
247
248#endif
249
250static inline void omap_init_camera(void)
251{
252#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
253 if (cpu_is_omap24xx())
254 platform_device_register(&omap2cam_device);
255#endif
256}
257
258int __init omap4_keyboard_init(struct omap4_keypad_platform_data
259 *sdp4430_keypad_data, struct omap_board_data *bdata)
260{
261 struct platform_device *pdev;
262 struct omap_hwmod *oh;
263 struct omap4_keypad_platform_data *keypad_data;
264 unsigned int id = -1;
265 char *oh_name = "kbd";
266 char *name = "omap4-keypad";
267
268 oh = omap_hwmod_lookup(oh_name);
269 if (!oh) {
270 pr_err("Could not look up %s\n", oh_name);
271 return -ENODEV;
272 }
273
274 keypad_data = sdp4430_keypad_data;
275
276 pdev = omap_device_build(name, id, oh, keypad_data,
277 sizeof(struct omap4_keypad_platform_data));
278
279 if (IS_ERR(pdev)) {
280 WARN(1, "Can't build omap_device for %s:%s.\n",
281 name, oh->name);
282 return PTR_ERR(pdev);
283 }
284 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
285
286 return 0;
287}
288
289#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
290static inline void __init omap_init_mbox(void)
291{
292 struct omap_hwmod *oh;
293 struct platform_device *pdev;
294 struct omap_mbox_pdata *pdata;
295
296 oh = omap_hwmod_lookup("mailbox");
297 if (!oh) {
298 pr_err("%s: unable to find hwmod\n", __func__);
299 return;
300 }
301 if (!oh->dev_attr) {
302 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
303 return;
304 }
305
306 pdata = (struct omap_mbox_pdata *)oh->dev_attr;
307 pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
308 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
309 __func__, PTR_ERR(pdev));
310}
311#else
312static inline void omap_init_mbox(void) { }
313#endif /* CONFIG_OMAP2PLUS_MBOX */
314
315static inline void omap_init_sti(void) {}
316
317#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
318
319static struct platform_device omap_pcm = {
320 .name = "omap-pcm-audio",
321 .id = -1,
322};
323
324static void omap_init_audio(void)
325{
326 platform_device_register(&omap_pcm);
327}
328
329#else
330static inline void omap_init_audio(void) {}
331#endif
332
333#if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
334 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
335
336static struct platform_device omap_hdmi_audio = {
337 .name = "omap-hdmi-audio",
338 .id = -1,
339};
340
341static void __init omap_init_hdmi_audio(void)
342{
343 struct omap_hwmod *oh;
344 struct platform_device *pdev;
345
346 oh = omap_hwmod_lookup("dss_hdmi");
347 if (!oh)
348 return;
349
350 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
351 WARN(IS_ERR(pdev),
352 "Can't build omap_device for omap-hdmi-audio-dai.\n");
353
354 platform_device_register(&omap_hdmi_audio);
355}
356#else
357static inline void omap_init_hdmi_audio(void) {}
358#endif
359
360#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
361
362#include <linux/platform_data/spi-omap2-mcspi.h>
363
364static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
365{
366 struct platform_device *pdev;
367 char *name = "omap2_mcspi";
368 struct omap2_mcspi_platform_config *pdata;
369 static int spi_num;
370 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
371
372 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
373 if (!pdata) {
374 pr_err("Memory allocation for McSPI device failed\n");
375 return -ENOMEM;
376 }
377
378 pdata->num_cs = mcspi_attrib->num_chipselect;
379 switch (oh->class->rev) {
380 case OMAP2_MCSPI_REV:
381 case OMAP3_MCSPI_REV:
382 pdata->regs_offset = 0;
383 break;
384 case OMAP4_MCSPI_REV:
385 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
386 break;
387 default:
388 pr_err("Invalid McSPI Revision value\n");
389 kfree(pdata);
390 return -EINVAL;
391 }
392
393 spi_num++;
394 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
395 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
396 name, oh->name);
397 kfree(pdata);
398 return 0;
399}
400
401static void omap_init_mcspi(void)
402{
403 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
404}
405
406#else
407static inline void omap_init_mcspi(void) {}
408#endif
409
410/**
411 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
412 *
413 * Bind the RNG hwmod to the RNG omap_device. No return value.
414 */
415static void omap_init_rng(void)
416{
417 struct omap_hwmod *oh;
418 struct platform_device *pdev;
419
420 oh = omap_hwmod_lookup("rng");
421 if (!oh)
422 return;
423
424 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
425 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
426}
427
428static void __init omap_init_sham(void)
429{
430 struct omap_hwmod *oh;
431 struct platform_device *pdev;
432
433 oh = omap_hwmod_lookup("sham");
434 if (!oh)
435 return;
436
437 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
438 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
439}
440
441static void __init omap_init_aes(void)
442{
443 struct omap_hwmod *oh;
444 struct platform_device *pdev;
445
446 oh = omap_hwmod_lookup("aes");
447 if (!oh)
448 return;
449
450 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
451 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
452}
453
454/*-------------------------------------------------------------------------*/
455
456#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
457 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
458#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
459static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
460};
461#else
462static struct resource omap_vout_resource[2] = {
463};
464#endif
465
466static struct platform_device omap_vout_device = {
467 .name = "omap_vout",
468 .num_resources = ARRAY_SIZE(omap_vout_resource),
469 .resource = &omap_vout_resource[0],
470 .id = -1,
471};
472
473int __init omap_init_vout(void)
474{
475 return platform_device_register(&omap_vout_device);
476}
477#else
478int __init omap_init_vout(void) { return 0; }
479#endif
480
481/*-------------------------------------------------------------------------*/
482
483static int __init omap2_init_devices(void)
484{
485 /* Enable dummy states for those platforms without pinctrl support */
486 if (!of_have_populated_dt())
487 pinctrl_provide_dummies();
488
489 /*
490 * please keep these calls, and their implementations above,
491 * in alphabetical order so they're easier to sort through.
492 */
493 omap_init_audio();
494 omap_init_camera();
495 omap_init_hdmi_audio();
496 omap_init_mbox();
497 /* If dtb is there, the devices will be created dynamically */
498 if (!of_have_populated_dt()) {
499 omap_init_mcspi();
500 omap_init_sham();
501 omap_init_aes();
502 omap_init_rng();
503 }
504 omap_init_sti();
505
506 return 0;
507}
508omap_arch_initcall(omap2_init_devices);