2 * linux/arch/arm/mach-omap2/devices.c
4 * OMAP2 platform device setup/initialization
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.
11 #include <linux/gpio.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
16 #include <linux/clk.h>
17 #include <linux/err.h>
18 #include <linux/slab.h>
20 #include <linux/pinctrl/machine.h>
21 #include <linux/platform_data/omap4-keypad.h>
22 #include <linux/platform_data/omap_ocp2scp.h>
23 #include <linux/platform_data/mailbox-omap.h>
24 #include <linux/usb/omap_control_usb.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/map.h>
29 #include <linux/omap-dma.h>
32 #include "omap_hwmod.h"
33 #include "omap_device.h"
34 #include "omap4-keypad.h"
43 #define L3_MODULES_MAX_LEN 12
46 static int __init omap3_l3_init(void)
48 struct omap_hwmod *oh;
49 struct platform_device *pdev;
50 char oh_name[L3_MODULES_MAX_LEN];
53 * To avoid code running on other OMAPs in
56 if (!(cpu_is_omap34xx()))
59 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
61 oh = omap_hwmod_lookup(oh_name);
64 pr_err("could not look up %s\n", oh_name);
66 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
68 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
70 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
72 omap_postcore_initcall(omap3_l3_init);
74 static int __init omap4_l3_init(void)
77 struct omap_hwmod *oh[3];
78 struct platform_device *pdev;
79 char oh_name[L3_MODULES_MAX_LEN];
81 /* If dtb is there, the devices will be created dynamically */
82 if (of_have_populated_dt())
86 * To avoid code running on other OMAPs in
89 if (!cpu_is_omap44xx() && !soc_is_omap54xx())
92 for (i = 0; i < L3_MODULES; i++) {
93 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
95 oh[i] = omap_hwmod_lookup(oh_name);
97 pr_err("could not look up %s\n", oh_name);
100 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
102 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
104 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
106 omap_postcore_initcall(omap4_l3_init);
108 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
110 static struct resource omap2cam_resources[] = {
112 .start = OMAP24XX_CAMERA_BASE,
113 .end = OMAP24XX_CAMERA_BASE + 0xfff,
114 .flags = IORESOURCE_MEM,
117 .start = 24 + OMAP_INTC_START,
118 .flags = IORESOURCE_IRQ,
122 static struct platform_device omap2cam_device = {
123 .name = "omap24xxcam",
125 .num_resources = ARRAY_SIZE(omap2cam_resources),
126 .resource = omap2cam_resources,
130 #if defined(CONFIG_IOMMU_API)
132 #include <linux/platform_data/iommu-omap.h>
134 static struct resource omap3isp_resources[] = {
136 .start = OMAP3430_ISP_BASE,
137 .end = OMAP3430_ISP_END,
138 .flags = IORESOURCE_MEM,
141 .start = OMAP3430_ISP_CCP2_BASE,
142 .end = OMAP3430_ISP_CCP2_END,
143 .flags = IORESOURCE_MEM,
146 .start = OMAP3430_ISP_CCDC_BASE,
147 .end = OMAP3430_ISP_CCDC_END,
148 .flags = IORESOURCE_MEM,
151 .start = OMAP3430_ISP_HIST_BASE,
152 .end = OMAP3430_ISP_HIST_END,
153 .flags = IORESOURCE_MEM,
156 .start = OMAP3430_ISP_H3A_BASE,
157 .end = OMAP3430_ISP_H3A_END,
158 .flags = IORESOURCE_MEM,
161 .start = OMAP3430_ISP_PREV_BASE,
162 .end = OMAP3430_ISP_PREV_END,
163 .flags = IORESOURCE_MEM,
166 .start = OMAP3430_ISP_RESZ_BASE,
167 .end = OMAP3430_ISP_RESZ_END,
168 .flags = IORESOURCE_MEM,
171 .start = OMAP3430_ISP_SBL_BASE,
172 .end = OMAP3430_ISP_SBL_END,
173 .flags = IORESOURCE_MEM,
176 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
177 .end = OMAP3430_ISP_CSI2A_REGS1_END,
178 .flags = IORESOURCE_MEM,
181 .start = OMAP3430_ISP_CSIPHY2_BASE,
182 .end = OMAP3430_ISP_CSIPHY2_END,
183 .flags = IORESOURCE_MEM,
186 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
187 .end = OMAP3630_ISP_CSI2A_REGS2_END,
188 .flags = IORESOURCE_MEM,
191 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
192 .end = OMAP3630_ISP_CSI2C_REGS1_END,
193 .flags = IORESOURCE_MEM,
196 .start = OMAP3630_ISP_CSIPHY1_BASE,
197 .end = OMAP3630_ISP_CSIPHY1_END,
198 .flags = IORESOURCE_MEM,
201 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
202 .end = OMAP3630_ISP_CSI2C_REGS2_END,
203 .flags = IORESOURCE_MEM,
206 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
207 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
208 .flags = IORESOURCE_MEM,
211 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
212 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
213 .flags = IORESOURCE_MEM,
216 .start = 24 + OMAP_INTC_START,
217 .flags = IORESOURCE_IRQ,
221 static struct platform_device omap3isp_device = {
224 .num_resources = ARRAY_SIZE(omap3isp_resources),
225 .resource = omap3isp_resources,
228 static struct omap_iommu_arch_data omap3_isp_iommu = {
232 int omap3_init_camera(struct isp_platform_data *pdata)
234 omap3isp_device.dev.platform_data = pdata;
235 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
237 return platform_device_register(&omap3isp_device);
240 #else /* !CONFIG_IOMMU_API */
242 int omap3_init_camera(struct isp_platform_data *pdata)
249 static inline void omap_init_camera(void)
251 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
252 if (cpu_is_omap24xx())
253 platform_device_register(&omap2cam_device);
257 #if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
258 static struct omap_control_usb_platform_data omap4_control_usb_pdata = {
262 struct resource omap4_control_usb_res[] = {
264 .name = "control_dev_conf",
267 .flags = IORESOURCE_MEM,
270 .name = "otghs_control",
273 .flags = IORESOURCE_MEM,
277 static struct platform_device omap4_control_usb = {
278 .name = "omap-control-usb",
281 .platform_data = &omap4_control_usb_pdata,
284 .resource = omap4_control_usb_res,
287 static inline void __init omap_init_control_usb(void)
289 if (!cpu_is_omap44xx())
292 if (platform_device_register(&omap4_control_usb))
293 pr_err("Error registering omap_control_usb device\n");
297 static inline void omap_init_control_usb(void) { }
298 #endif /* CONFIG_OMAP_CONTROL_USB */
300 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
301 *sdp4430_keypad_data, struct omap_board_data *bdata)
303 struct platform_device *pdev;
304 struct omap_hwmod *oh;
305 struct omap4_keypad_platform_data *keypad_data;
306 unsigned int id = -1;
307 char *oh_name = "kbd";
308 char *name = "omap4-keypad";
310 oh = omap_hwmod_lookup(oh_name);
312 pr_err("Could not look up %s\n", oh_name);
316 keypad_data = sdp4430_keypad_data;
318 pdev = omap_device_build(name, id, oh, keypad_data,
319 sizeof(struct omap4_keypad_platform_data));
322 WARN(1, "Can't build omap_device for %s:%s.\n",
324 return PTR_ERR(pdev);
326 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
331 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
332 static inline void __init omap_init_mbox(void)
334 struct omap_hwmod *oh;
335 struct platform_device *pdev;
336 struct omap_mbox_pdata *pdata;
338 oh = omap_hwmod_lookup("mailbox");
340 pr_err("%s: unable to find hwmod\n", __func__);
344 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
348 pdata = (struct omap_mbox_pdata *)oh->dev_attr;
349 pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
350 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
351 __func__, PTR_ERR(pdev));
354 static inline void omap_init_mbox(void) { }
355 #endif /* CONFIG_OMAP2PLUS_MBOX */
357 static inline void omap_init_sti(void) {}
359 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
361 static struct platform_device omap_pcm = {
362 .name = "omap-pcm-audio",
366 static void omap_init_audio(void)
368 platform_device_register(&omap_pcm);
372 static inline void omap_init_audio(void) {}
375 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
376 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
378 static void __init omap_init_mcpdm(void)
380 struct omap_hwmod *oh;
381 struct platform_device *pdev;
383 oh = omap_hwmod_lookup("mcpdm");
385 printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
389 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0);
390 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
393 static inline void omap_init_mcpdm(void) {}
396 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
397 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
399 static void __init omap_init_dmic(void)
401 struct omap_hwmod *oh;
402 struct platform_device *pdev;
404 oh = omap_hwmod_lookup("dmic");
406 pr_err("Could not look up dmic hw_mod\n");
410 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0);
411 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
414 static inline void omap_init_dmic(void) {}
417 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
418 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
420 static struct platform_device omap_hdmi_audio = {
421 .name = "omap-hdmi-audio",
425 static void __init omap_init_hdmi_audio(void)
427 struct omap_hwmod *oh;
428 struct platform_device *pdev;
430 oh = omap_hwmod_lookup("dss_hdmi");
432 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
436 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
438 "Can't build omap_device for omap-hdmi-audio-dai.\n");
440 platform_device_register(&omap_hdmi_audio);
443 static inline void omap_init_hdmi_audio(void) {}
446 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
448 #include <linux/platform_data/spi-omap2-mcspi.h>
450 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
452 struct platform_device *pdev;
453 char *name = "omap2_mcspi";
454 struct omap2_mcspi_platform_config *pdata;
456 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
458 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
460 pr_err("Memory allocation for McSPI device failed\n");
464 pdata->num_cs = mcspi_attrib->num_chipselect;
465 switch (oh->class->rev) {
466 case OMAP2_MCSPI_REV:
467 case OMAP3_MCSPI_REV:
468 pdata->regs_offset = 0;
470 case OMAP4_MCSPI_REV:
471 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
474 pr_err("Invalid McSPI Revision value\n");
480 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
481 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
487 static void omap_init_mcspi(void)
489 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
493 static inline void omap_init_mcspi(void) {}
497 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
499 * Bind the RNG hwmod to the RNG omap_device. No return value.
501 static void omap_init_rng(void)
503 struct omap_hwmod *oh;
504 struct platform_device *pdev;
506 oh = omap_hwmod_lookup("rng");
510 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
511 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
514 static void __init omap_init_sham(void)
516 struct omap_hwmod *oh;
517 struct platform_device *pdev;
519 oh = omap_hwmod_lookup("sham");
523 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
524 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
527 static void __init omap_init_aes(void)
529 struct omap_hwmod *oh;
530 struct platform_device *pdev;
532 oh = omap_hwmod_lookup("aes");
536 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
537 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
540 /*-------------------------------------------------------------------------*/
542 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
543 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
544 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
545 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
548 static struct resource omap_vout_resource[2] = {
552 static struct platform_device omap_vout_device = {
554 .num_resources = ARRAY_SIZE(omap_vout_resource),
555 .resource = &omap_vout_resource[0],
558 static void omap_init_vout(void)
560 if (platform_device_register(&omap_vout_device) < 0)
561 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
564 static inline void omap_init_vout(void) {}
567 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
568 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
572 while (ocp2scp_dev->drv_name != NULL) {
580 static void __init omap_init_ocp2scp(void)
582 struct omap_hwmod *oh;
583 struct platform_device *pdev;
584 int bus_id = -1, dev_cnt = 0, i;
585 struct omap_ocp2scp_dev *ocp2scp_dev;
586 const char *oh_name, *name;
587 struct omap_ocp2scp_platform_data *pdata;
589 if (!cpu_is_omap44xx())
592 oh_name = "ocp2scp_usb_phy";
593 name = "omap-ocp2scp";
595 oh = omap_hwmod_lookup(oh_name);
597 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
602 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
604 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
608 ocp2scp_dev = oh->dev_attr;
609 dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
612 pr_err("%s: No devices connected to ocp2scp\n", __func__);
617 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
618 * dev_cnt, GFP_KERNEL);
619 if (!pdata->devices) {
620 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
625 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
626 pdata->devices[i] = ocp2scp_dev;
628 pdata->dev_cnt = dev_cnt;
630 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata));
632 pr_err("Could not build omap_device for %s %s\n",
634 kfree(pdata->devices);
640 static inline void omap_init_ocp2scp(void) { }
643 /*-------------------------------------------------------------------------*/
645 static int __init omap2_init_devices(void)
647 /* Enable dummy states for those platforms without pinctrl support */
648 if (!of_have_populated_dt())
649 pinctrl_provide_dummies();
652 * please keep these calls, and their implementations above,
653 * in alphabetical order so they're easier to sort through.
657 omap_init_hdmi_audio();
659 /* If dtb is there, the devices will be created dynamically */
660 if (!of_have_populated_dt()) {
661 omap_init_control_usb();
675 omap_arch_initcall(omap2_init_devices);