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/mailbox-omap.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/map.h>
27 #include <linux/omap-dma.h>
30 #include "omap_hwmod.h"
31 #include "omap_device.h"
32 #include "omap4-keypad.h"
41 #define L3_MODULES_MAX_LEN 12
44 static int __init omap3_l3_init(void)
46 struct omap_hwmod *oh;
47 struct platform_device *pdev;
48 char oh_name[L3_MODULES_MAX_LEN];
51 * To avoid code running on other OMAPs in
54 if (!(cpu_is_omap34xx()))
57 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
59 oh = omap_hwmod_lookup(oh_name);
62 pr_err("could not look up %s\n", oh_name);
64 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
66 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
70 omap_postcore_initcall(omap3_l3_init);
72 static int __init omap4_l3_init(void)
75 struct omap_hwmod *oh[3];
76 struct platform_device *pdev;
77 char oh_name[L3_MODULES_MAX_LEN];
79 /* If dtb is there, the devices will be created dynamically */
80 if (of_have_populated_dt())
84 * To avoid code running on other OMAPs in
87 if (!cpu_is_omap44xx() && !soc_is_omap54xx())
90 for (i = 0; i < L3_MODULES; i++) {
91 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
93 oh[i] = omap_hwmod_lookup(oh_name);
95 pr_err("could not look up %s\n", oh_name);
98 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
102 return PTR_RET(pdev);
104 omap_postcore_initcall(omap4_l3_init);
106 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
108 static struct resource omap2cam_resources[] = {
110 .start = OMAP24XX_CAMERA_BASE,
111 .end = OMAP24XX_CAMERA_BASE + 0xfff,
112 .flags = IORESOURCE_MEM,
115 .start = 24 + OMAP_INTC_START,
116 .flags = IORESOURCE_IRQ,
120 static struct platform_device omap2cam_device = {
121 .name = "omap24xxcam",
123 .num_resources = ARRAY_SIZE(omap2cam_resources),
124 .resource = omap2cam_resources,
128 #if defined(CONFIG_IOMMU_API)
130 #include <linux/platform_data/iommu-omap.h>
132 static struct resource omap3isp_resources[] = {
134 .start = OMAP3430_ISP_BASE,
135 .end = OMAP3430_ISP_END,
136 .flags = IORESOURCE_MEM,
139 .start = OMAP3430_ISP_CCP2_BASE,
140 .end = OMAP3430_ISP_CCP2_END,
141 .flags = IORESOURCE_MEM,
144 .start = OMAP3430_ISP_CCDC_BASE,
145 .end = OMAP3430_ISP_CCDC_END,
146 .flags = IORESOURCE_MEM,
149 .start = OMAP3430_ISP_HIST_BASE,
150 .end = OMAP3430_ISP_HIST_END,
151 .flags = IORESOURCE_MEM,
154 .start = OMAP3430_ISP_H3A_BASE,
155 .end = OMAP3430_ISP_H3A_END,
156 .flags = IORESOURCE_MEM,
159 .start = OMAP3430_ISP_PREV_BASE,
160 .end = OMAP3430_ISP_PREV_END,
161 .flags = IORESOURCE_MEM,
164 .start = OMAP3430_ISP_RESZ_BASE,
165 .end = OMAP3430_ISP_RESZ_END,
166 .flags = IORESOURCE_MEM,
169 .start = OMAP3430_ISP_SBL_BASE,
170 .end = OMAP3430_ISP_SBL_END,
171 .flags = IORESOURCE_MEM,
174 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
175 .end = OMAP3430_ISP_CSI2A_REGS1_END,
176 .flags = IORESOURCE_MEM,
179 .start = OMAP3430_ISP_CSIPHY2_BASE,
180 .end = OMAP3430_ISP_CSIPHY2_END,
181 .flags = IORESOURCE_MEM,
184 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
185 .end = OMAP3630_ISP_CSI2A_REGS2_END,
186 .flags = IORESOURCE_MEM,
189 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
190 .end = OMAP3630_ISP_CSI2C_REGS1_END,
191 .flags = IORESOURCE_MEM,
194 .start = OMAP3630_ISP_CSIPHY1_BASE,
195 .end = OMAP3630_ISP_CSIPHY1_END,
196 .flags = IORESOURCE_MEM,
199 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
200 .end = OMAP3630_ISP_CSI2C_REGS2_END,
201 .flags = IORESOURCE_MEM,
204 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
205 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
206 .flags = IORESOURCE_MEM,
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,
214 .start = 24 + OMAP_INTC_START,
215 .flags = IORESOURCE_IRQ,
219 static struct platform_device omap3isp_device = {
222 .num_resources = ARRAY_SIZE(omap3isp_resources),
223 .resource = omap3isp_resources,
226 static struct omap_iommu_arch_data omap3_isp_iommu = {
230 int omap3_init_camera(struct isp_platform_data *pdata)
232 if (of_have_populated_dt())
233 omap3_isp_iommu.name = "480bd400.mmu";
235 omap3isp_device.dev.platform_data = pdata;
236 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
238 return platform_device_register(&omap3isp_device);
241 #else /* !CONFIG_IOMMU_API */
243 int omap3_init_camera(struct isp_platform_data *pdata)
250 static inline void omap_init_camera(void)
252 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
253 if (cpu_is_omap24xx())
254 platform_device_register(&omap2cam_device);
258 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
259 *sdp4430_keypad_data, struct omap_board_data *bdata)
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";
268 oh = omap_hwmod_lookup(oh_name);
270 pr_err("Could not look up %s\n", oh_name);
274 keypad_data = sdp4430_keypad_data;
276 pdev = omap_device_build(name, id, oh, keypad_data,
277 sizeof(struct omap4_keypad_platform_data));
280 WARN(1, "Can't build omap_device for %s:%s.\n",
282 return PTR_ERR(pdev);
284 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
289 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
290 static inline void __init omap_init_mbox(void)
292 struct omap_hwmod *oh;
293 struct platform_device *pdev;
294 struct omap_mbox_pdata *pdata;
296 oh = omap_hwmod_lookup("mailbox");
298 pr_err("%s: unable to find hwmod\n", __func__);
302 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
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));
312 static inline void omap_init_mbox(void) { }
313 #endif /* CONFIG_OMAP2PLUS_MBOX */
315 static inline void omap_init_sti(void) {}
317 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
319 static struct platform_device omap_pcm = {
320 .name = "omap-pcm-audio",
324 static void omap_init_audio(void)
326 platform_device_register(&omap_pcm);
330 static inline void omap_init_audio(void) {}
333 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
334 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
336 static struct platform_device omap_hdmi_audio = {
337 .name = "omap-hdmi-audio",
341 static void __init omap_init_hdmi_audio(void)
343 struct omap_hwmod *oh;
344 struct platform_device *pdev;
346 oh = omap_hwmod_lookup("dss_hdmi");
350 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
352 "Can't build omap_device for omap-hdmi-audio-dai.\n");
354 platform_device_register(&omap_hdmi_audio);
357 static inline void omap_init_hdmi_audio(void) {}
360 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
362 #include <linux/platform_data/spi-omap2-mcspi.h>
364 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
366 struct platform_device *pdev;
367 char *name = "omap2_mcspi";
368 struct omap2_mcspi_platform_config *pdata;
370 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
372 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
374 pr_err("Memory allocation for McSPI device failed\n");
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;
384 case OMAP4_MCSPI_REV:
385 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
388 pr_err("Invalid McSPI Revision value\n");
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",
401 static void omap_init_mcspi(void)
403 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
407 static inline void omap_init_mcspi(void) {}
411 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
413 * Bind the RNG hwmod to the RNG omap_device. No return value.
415 static void omap_init_rng(void)
417 struct omap_hwmod *oh;
418 struct platform_device *pdev;
420 oh = omap_hwmod_lookup("rng");
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");
428 static void __init omap_init_sham(void)
430 struct omap_hwmod *oh;
431 struct platform_device *pdev;
433 oh = omap_hwmod_lookup("sham");
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");
441 static void __init omap_init_aes(void)
443 struct omap_hwmod *oh;
444 struct platform_device *pdev;
446 oh = omap_hwmod_lookup("aes");
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");
454 /*-------------------------------------------------------------------------*/
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)
459 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
462 static struct resource omap_vout_resource[2] = {
466 static struct platform_device omap_vout_device = {
468 .num_resources = ARRAY_SIZE(omap_vout_resource),
469 .resource = &omap_vout_resource[0],
473 int __init omap_init_vout(void)
475 return platform_device_register(&omap_vout_device);
478 int __init omap_init_vout(void) { return 0; }
481 /*-------------------------------------------------------------------------*/
483 static int __init omap2_init_devices(void)
485 /* Enable dummy states for those platforms without pinctrl support */
486 if (!of_have_populated_dt())
487 pinctrl_provide_dummies();
490 * please keep these calls, and their implementations above,
491 * in alphabetical order so they're easier to sort through.
495 omap_init_hdmi_audio();
497 /* If dtb is there, the devices will be created dynamically */
498 if (!of_have_populated_dt()) {
508 omap_arch_initcall(omap2_init_devices);