/* * linux/arch/arm/mach-omap2/devices.c * * OMAP2 platform device setup/initialization * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include <linux/gpio.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/slab.h> #include <linux/of.h> #include <linux/pinctrl/machine.h> #include <linux/platform_data/omap4-keypad.h> #include <asm/mach-types.h> #include <asm/mach/map.h> #include "iomap.h" #include <plat-omap/dma-omap.h> #include <plat/omap_hwmod.h> #include <plat/omap_device.h> #include "omap4-keypad.h" #include "soc.h" #include "common.h" #include "mux.h" #include "control.h" #include "devices.h" #include "dma.h" #define L3_MODULES_MAX_LEN 12 #define L3_MODULES 3 static int __init omap3_l3_init(void) { struct omap_hwmod *oh; struct platform_device *pdev; char oh_name[L3_MODULES_MAX_LEN]; /* * To avoid code running on other OMAPs in * multi-omap builds */ if (!(cpu_is_omap34xx())) return -ENODEV; snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); oh = omap_hwmod_lookup(oh_name); if (!oh) pr_err("could not look up %s\n", oh_name); pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; } postcore_initcall(omap3_l3_init); static int __init omap4_l3_init(void) { int i; struct omap_hwmod *oh[3]; struct platform_device *pdev; char oh_name[L3_MODULES_MAX_LEN]; /* If dtb is there, the devices will be created dynamically */ if (of_have_populated_dt()) return -ENODEV; /* * To avoid code running on other OMAPs in * multi-omap builds */ if (!cpu_is_omap44xx() && !soc_is_omap54xx()) return -ENODEV; for (i = 0; i < L3_MODULES; i++) { snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1); oh[i] = omap_hwmod_lookup(oh_name); if (!(oh[i])) pr_err("could not look up %s\n", oh_name); } pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; } postcore_initcall(omap4_l3_init); #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) static struct resource omap2cam_resources[] = { { .start = OMAP24XX_CAMERA_BASE, .end = OMAP24XX_CAMERA_BASE + 0xfff, .flags = IORESOURCE_MEM, }, { .start = 24 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, } }; static struct platform_device omap2cam_device = { .name = "omap24xxcam", .id = -1, .num_resources = ARRAY_SIZE(omap2cam_resources), .resource = omap2cam_resources, }; #endif #if defined(CONFIG_IOMMU_API) #include <plat/iommu.h> static struct resource omap3isp_resources[] = { { .start = OMAP3430_ISP_BASE, .end = OMAP3430_ISP_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_CCP2_BASE, .end = OMAP3430_ISP_CCP2_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_CCDC_BASE, .end = OMAP3430_ISP_CCDC_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_HIST_BASE, .end = OMAP3430_ISP_HIST_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_H3A_BASE, .end = OMAP3430_ISP_H3A_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_PREV_BASE, .end = OMAP3430_ISP_PREV_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_RESZ_BASE, .end = OMAP3430_ISP_RESZ_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_SBL_BASE, .end = OMAP3430_ISP_SBL_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_CSI2A_REGS1_BASE, .end = OMAP3430_ISP_CSI2A_REGS1_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3430_ISP_CSIPHY2_BASE, .end = OMAP3430_ISP_CSIPHY2_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3630_ISP_CSI2A_REGS2_BASE, .end = OMAP3630_ISP_CSI2A_REGS2_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3630_ISP_CSI2C_REGS1_BASE, .end = OMAP3630_ISP_CSI2C_REGS1_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3630_ISP_CSIPHY1_BASE, .end = OMAP3630_ISP_CSIPHY1_END, .flags = IORESOURCE_MEM, }, { .start = OMAP3630_ISP_CSI2C_REGS2_BASE, .end = OMAP3630_ISP_CSI2C_REGS2_END, .flags = IORESOURCE_MEM, }, { .start = 24 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, } }; static struct platform_device omap3isp_device = { .name = "omap3isp", .id = -1, .num_resources = ARRAY_SIZE(omap3isp_resources), .resource = omap3isp_resources, }; static struct omap_iommu_arch_data omap3_isp_iommu = { .name = "isp", }; int omap3_init_camera(struct isp_platform_data *pdata) { omap3isp_device.dev.platform_data = pdata; omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; return platform_device_register(&omap3isp_device); } #else /* !CONFIG_IOMMU_API */ int omap3_init_camera(struct isp_platform_data *pdata) { return 0; } #endif static inline void omap_init_camera(void) { #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) if (cpu_is_omap24xx()) platform_device_register(&omap2cam_device); #endif } int __init omap4_keyboard_init(struct omap4_keypad_platform_data *sdp4430_keypad_data, struct omap_board_data *bdata) { struct platform_device *pdev; struct omap_hwmod *oh; struct omap4_keypad_platform_data *keypad_data; unsigned int id = -1; char *oh_name = "kbd"; char *name = "omap4-keypad"; oh = omap_hwmod_lookup(oh_name); if (!oh) { pr_err("Could not look up %s\n", oh_name); return -ENODEV; } keypad_data = sdp4430_keypad_data; pdev = omap_device_build(name, id, oh, keypad_data, sizeof(struct omap4_keypad_platform_data), NULL, 0, 0); if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", name, oh->name); return PTR_ERR(pdev); } oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); return 0; } #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE) static inline void __init omap_init_mbox(void) { struct omap_hwmod *oh; struct platform_device *pdev; oh = omap_hwmod_lookup("mailbox"); if (!oh) { pr_err("%s: unable to find hwmod\n", __func__); return; } pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", __func__, PTR_ERR(pdev)); } #else static inline void omap_init_mbox(void) { } #endif /* CONFIG_OMAP_MBOX_FWK */ static inline void omap_init_sti(void) {} #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) static struct platform_device omap_pcm = { .name = "omap-pcm-audio", .id = -1, }; static void omap_init_audio(void) { platform_device_register(&omap_pcm); } #else static inline void omap_init_audio(void) {} #endif #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) static void __init omap_init_mcpdm(void) { struct omap_hwmod *oh; struct platform_device *pdev; oh = omap_hwmod_lookup("mcpdm"); if (!oh) { printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); return; } pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); } #else static inline void omap_init_mcpdm(void) {} #endif #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \ defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE) static void __init omap_init_dmic(void) { struct omap_hwmod *oh; struct platform_device *pdev; oh = omap_hwmod_lookup("dmic"); if (!oh) { printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); return; } pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); } #else static inline void omap_init_dmic(void) {} #endif #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) static struct platform_device omap_hdmi_audio = { .name = "omap-hdmi-audio", .id = -1, }; static void __init omap_init_hdmi_audio(void) { struct omap_hwmod *oh; struct platform_device *pdev; oh = omap_hwmod_lookup("dss_hdmi"); if (!oh) { printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n"); return; } pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-hdmi-audio-dai.\n"); platform_device_register(&omap_hdmi_audio); } #else static inline void omap_init_hdmi_audio(void) {} #endif #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) #include <linux/platform_data/spi-omap2-mcspi.h> static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) { struct platform_device *pdev; char *name = "omap2_mcspi"; struct omap2_mcspi_platform_config *pdata; static int spi_num; struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); if (!pdata) { pr_err("Memory allocation for McSPI device failed\n"); return -ENOMEM; } pdata->num_cs = mcspi_attrib->num_chipselect; switch (oh->class->rev) { case OMAP2_MCSPI_REV: case OMAP3_MCSPI_REV: pdata->regs_offset = 0; break; case OMAP4_MCSPI_REV: pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; break; default: pr_err("Invalid McSPI Revision value\n"); kfree(pdata); return -EINVAL; } spi_num++; pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata), NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", name, oh->name); kfree(pdata); return 0; } static void omap_init_mcspi(void) { omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); } #else static inline void omap_init_mcspi(void) {} #endif /** * omap_init_rng - bind the RNG hwmod to the RNG omap_device * * Bind the RNG hwmod to the RNG omap_device. No return value. */ static void omap_init_rng(void) { struct omap_hwmod *oh; struct platform_device *pdev; oh = omap_hwmod_lookup("rng"); if (!oh) return; pdev = omap_device_build("omap_rng", -1, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); } #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE) #ifdef CONFIG_ARCH_OMAP2 static struct resource omap2_sham_resources[] = { { .start = OMAP24XX_SEC_SHA1MD5_BASE, .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64, .flags = IORESOURCE_MEM, }, { .start = 51 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, } }; static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources); #else #define omap2_sham_resources NULL #define omap2_sham_resources_sz 0 #endif #ifdef CONFIG_ARCH_OMAP3 static struct resource omap3_sham_resources[] = { { .start = OMAP34XX_SEC_SHA1MD5_BASE, .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64, .flags = IORESOURCE_MEM, }, { .start = 49 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, }, { .start = OMAP34XX_DMA_SHA1MD5_RX, .flags = IORESOURCE_DMA, } }; static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources); #else #define omap3_sham_resources NULL #define omap3_sham_resources_sz 0 #endif static struct platform_device sham_device = { .name = "omap-sham", .id = -1, }; static void omap_init_sham(void) { if (cpu_is_omap24xx()) { sham_device.resource = omap2_sham_resources; sham_device.num_resources = omap2_sham_resources_sz; } else if (cpu_is_omap34xx()) { sham_device.resource = omap3_sham_resources; sham_device.num_resources = omap3_sham_resources_sz; } else { pr_err("%s: platform not supported\n", __func__); return; } platform_device_register(&sham_device); } #else static inline void omap_init_sham(void) { } #endif #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE) #ifdef CONFIG_ARCH_OMAP2 static struct resource omap2_aes_resources[] = { { .start = OMAP24XX_SEC_AES_BASE, .end = OMAP24XX_SEC_AES_BASE + 0x4C, .flags = IORESOURCE_MEM, }, { .start = OMAP24XX_DMA_AES_TX, .flags = IORESOURCE_DMA, }, { .start = OMAP24XX_DMA_AES_RX, .flags = IORESOURCE_DMA, } }; static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources); #else #define omap2_aes_resources NULL #define omap2_aes_resources_sz 0 #endif #ifdef CONFIG_ARCH_OMAP3 static struct resource omap3_aes_resources[] = { { .start = OMAP34XX_SEC_AES_BASE, .end = OMAP34XX_SEC_AES_BASE + 0x4C, .flags = IORESOURCE_MEM, }, { .start = OMAP34XX_DMA_AES2_TX, .flags = IORESOURCE_DMA, }, { .start = OMAP34XX_DMA_AES2_RX, .flags = IORESOURCE_DMA, } }; static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources); #else #define omap3_aes_resources NULL #define omap3_aes_resources_sz 0 #endif static struct platform_device aes_device = { .name = "omap-aes", .id = -1, }; static void omap_init_aes(void) { if (cpu_is_omap24xx()) { aes_device.resource = omap2_aes_resources; aes_device.num_resources = omap2_aes_resources_sz; } else if (cpu_is_omap34xx()) { aes_device.resource = omap3_aes_resources; aes_device.num_resources = omap3_aes_resources_sz; } else { pr_err("%s: platform not supported\n", __func__); return; } platform_device_register(&aes_device); } #else static inline void omap_init_aes(void) { } #endif /*-------------------------------------------------------------------------*/ #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { }; #else static struct resource omap_vout_resource[2] = { }; #endif static struct platform_device omap_vout_device = { .name = "omap_vout", .num_resources = ARRAY_SIZE(omap_vout_resource), .resource = &omap_vout_resource[0], .id = -1, }; static void omap_init_vout(void) { if (platform_device_register(&omap_vout_device) < 0) printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); } #else static inline void omap_init_vout(void) {} #endif /*-------------------------------------------------------------------------*/ static int __init omap2_init_devices(void) { /* Enable dummy states for those platforms without pinctrl support */ if (!of_have_populated_dt()) pinctrl_provide_dummies(); /* * please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ omap_init_audio(); omap_init_camera(); omap_init_hdmi_audio(); omap_init_mbox(); /* If dtb is there, the devices will be created dynamically */ if (!of_have_populated_dt()) { omap_init_dmic(); omap_init_mcpdm(); omap_init_mcspi(); } omap_init_sti(); omap_init_rng(); omap_init_sham(); omap_init_aes(); omap_init_vout(); return 0; } arch_initcall(omap2_init_devices); #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) static int __init omap_init_wdt(void) { int id = -1; struct platform_device *pdev; struct omap_hwmod *oh; char *oh_name = "wd_timer2"; char *dev_name = "omap_wdt"; if (!cpu_class_is_omap2() || of_have_populated_dt()) return 0; oh = omap_hwmod_lookup(oh_name); if (!oh) { pr_err("Could not look up wd_timer%d hwmod\n", id); return -EINVAL; } pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0); WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", dev_name, oh->name); return 0; } subsys_initcall(omap_init_wdt); #endif