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/mailbox-omap.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/map.h>
26 #include <linux/omap-dma.h>
29 #include "omap_hwmod.h"
30 #include "omap_device.h"
39 #define L3_MODULES_MAX_LEN 12
42 static int __init omap3_l3_init(void)
44 struct omap_hwmod *oh;
45 struct platform_device *pdev;
46 char oh_name[L3_MODULES_MAX_LEN];
49 * To avoid code running on other OMAPs in
52 if (!(cpu_is_omap34xx()) || of_have_populated_dt())
55 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
57 oh = omap_hwmod_lookup(oh_name);
60 pr_err("could not look up %s\n", oh_name);
62 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
64 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
68 omap_postcore_initcall(omap3_l3_init);
70 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
72 static struct resource omap2cam_resources[] = {
74 .start = OMAP24XX_CAMERA_BASE,
75 .end = OMAP24XX_CAMERA_BASE + 0xfff,
76 .flags = IORESOURCE_MEM,
79 .start = 24 + OMAP_INTC_START,
80 .flags = IORESOURCE_IRQ,
84 static struct platform_device omap2cam_device = {
85 .name = "omap24xxcam",
87 .num_resources = ARRAY_SIZE(omap2cam_resources),
88 .resource = omap2cam_resources,
92 #if defined(CONFIG_IOMMU_API)
94 #include <linux/platform_data/iommu-omap.h>
96 static struct resource omap3isp_resources[] = {
98 .start = OMAP3430_ISP_BASE,
99 .end = OMAP3430_ISP_END,
100 .flags = IORESOURCE_MEM,
103 .start = OMAP3430_ISP_CCP2_BASE,
104 .end = OMAP3430_ISP_CCP2_END,
105 .flags = IORESOURCE_MEM,
108 .start = OMAP3430_ISP_CCDC_BASE,
109 .end = OMAP3430_ISP_CCDC_END,
110 .flags = IORESOURCE_MEM,
113 .start = OMAP3430_ISP_HIST_BASE,
114 .end = OMAP3430_ISP_HIST_END,
115 .flags = IORESOURCE_MEM,
118 .start = OMAP3430_ISP_H3A_BASE,
119 .end = OMAP3430_ISP_H3A_END,
120 .flags = IORESOURCE_MEM,
123 .start = OMAP3430_ISP_PREV_BASE,
124 .end = OMAP3430_ISP_PREV_END,
125 .flags = IORESOURCE_MEM,
128 .start = OMAP3430_ISP_RESZ_BASE,
129 .end = OMAP3430_ISP_RESZ_END,
130 .flags = IORESOURCE_MEM,
133 .start = OMAP3430_ISP_SBL_BASE,
134 .end = OMAP3430_ISP_SBL_END,
135 .flags = IORESOURCE_MEM,
138 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
139 .end = OMAP3430_ISP_CSI2A_REGS1_END,
140 .flags = IORESOURCE_MEM,
143 .start = OMAP3430_ISP_CSIPHY2_BASE,
144 .end = OMAP3430_ISP_CSIPHY2_END,
145 .flags = IORESOURCE_MEM,
148 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
149 .end = OMAP3630_ISP_CSI2A_REGS2_END,
150 .flags = IORESOURCE_MEM,
153 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
154 .end = OMAP3630_ISP_CSI2C_REGS1_END,
155 .flags = IORESOURCE_MEM,
158 .start = OMAP3630_ISP_CSIPHY1_BASE,
159 .end = OMAP3630_ISP_CSIPHY1_END,
160 .flags = IORESOURCE_MEM,
163 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
164 .end = OMAP3630_ISP_CSI2C_REGS2_END,
165 .flags = IORESOURCE_MEM,
168 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
169 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
170 .flags = IORESOURCE_MEM,
173 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
174 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
175 .flags = IORESOURCE_MEM,
178 .start = 24 + OMAP_INTC_START,
179 .flags = IORESOURCE_IRQ,
183 static struct platform_device omap3isp_device = {
186 .num_resources = ARRAY_SIZE(omap3isp_resources),
187 .resource = omap3isp_resources,
190 static struct omap_iommu_arch_data omap3_isp_iommu = {
194 int omap3_init_camera(struct isp_platform_data *pdata)
196 if (of_have_populated_dt())
197 omap3_isp_iommu.name = "480bd400.mmu";
199 omap3isp_device.dev.platform_data = pdata;
200 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
202 return platform_device_register(&omap3isp_device);
205 #else /* !CONFIG_IOMMU_API */
207 int omap3_init_camera(struct isp_platform_data *pdata)
214 static inline void omap_init_camera(void)
216 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
217 if (cpu_is_omap24xx())
218 platform_device_register(&omap2cam_device);
222 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
223 static inline void __init omap_init_mbox(void)
225 struct omap_hwmod *oh;
226 struct platform_device *pdev;
227 struct omap_mbox_pdata *pdata;
229 oh = omap_hwmod_lookup("mailbox");
231 pr_err("%s: unable to find hwmod\n", __func__);
235 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
239 pdata = (struct omap_mbox_pdata *)oh->dev_attr;
240 pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
241 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
242 __func__, PTR_ERR(pdev));
245 static inline void omap_init_mbox(void) { }
246 #endif /* CONFIG_OMAP2PLUS_MBOX */
248 static inline void omap_init_sti(void) {}
250 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
252 static struct platform_device omap_pcm = {
253 .name = "omap-pcm-audio",
257 static void omap_init_audio(void)
259 platform_device_register(&omap_pcm);
263 static inline void omap_init_audio(void) {}
266 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
268 #include <linux/platform_data/spi-omap2-mcspi.h>
270 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
272 struct platform_device *pdev;
273 char *name = "omap2_mcspi";
274 struct omap2_mcspi_platform_config *pdata;
276 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
278 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
280 pr_err("Memory allocation for McSPI device failed\n");
284 pdata->num_cs = mcspi_attrib->num_chipselect;
285 switch (oh->class->rev) {
286 case OMAP2_MCSPI_REV:
287 case OMAP3_MCSPI_REV:
288 pdata->regs_offset = 0;
290 case OMAP4_MCSPI_REV:
291 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
294 pr_err("Invalid McSPI Revision value\n");
300 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
301 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
307 static void omap_init_mcspi(void)
309 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
313 static inline void omap_init_mcspi(void) {}
317 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
319 * Bind the RNG hwmod to the RNG omap_device. No return value.
321 static void omap_init_rng(void)
323 struct omap_hwmod *oh;
324 struct platform_device *pdev;
326 oh = omap_hwmod_lookup("rng");
330 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
331 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
334 static void __init omap_init_sham(void)
336 struct omap_hwmod *oh;
337 struct platform_device *pdev;
339 oh = omap_hwmod_lookup("sham");
343 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
344 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
347 static void __init omap_init_aes(void)
349 struct omap_hwmod *oh;
350 struct platform_device *pdev;
352 oh = omap_hwmod_lookup("aes");
356 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
357 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
360 /*-------------------------------------------------------------------------*/
362 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
363 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
364 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
365 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
368 static struct resource omap_vout_resource[2] = {
372 static struct platform_device omap_vout_device = {
374 .num_resources = ARRAY_SIZE(omap_vout_resource),
375 .resource = &omap_vout_resource[0],
379 int __init omap_init_vout(void)
381 return platform_device_register(&omap_vout_device);
384 int __init omap_init_vout(void) { return 0; }
387 /*-------------------------------------------------------------------------*/
389 static int __init omap2_init_devices(void)
391 /* Enable dummy states for those platforms without pinctrl support */
392 if (!of_have_populated_dt())
393 pinctrl_provide_dummies();
396 * please keep these calls, and their implementations above,
397 * in alphabetical order so they're easier to sort through.
401 /* If dtb is there, the devices will be created dynamically */
402 if (!of_have_populated_dt()) {
413 omap_arch_initcall(omap2_init_devices);
415 static int __init omap_gpmc_init(void)
417 struct omap_hwmod *oh;
418 struct platform_device *pdev;
419 char *oh_name = "gpmc";
422 * if the board boots up with a populated DT, do not
423 * manually add the device from this initcall
425 if (of_have_populated_dt())
428 oh = omap_hwmod_lookup(oh_name);
430 pr_err("Could not look up %s\n", oh_name);
434 pdev = omap_device_build("omap-gpmc", -1, oh, NULL, 0);
435 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
437 return PTR_RET(pdev);
439 omap_postcore_initcall(omap_gpmc_init);