| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737 | /* * 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 <linux/platform_data/omap_ocp2scp.h>#include <asm/mach-types.h>#include <asm/mach/map.h>#include <linux/omap-dma.h>#include "iomap.h"#include "omap_hwmod.h"#include "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 3static 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 <linux/platform_data/iommu-omap.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		= OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,		.end		= OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,		.flags		= IORESOURCE_MEM,	},	{		.start		= OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,		.end		= OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,		.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 = "mmu_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;}#endifstatic 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));}#elsestatic 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);}#elsestatic 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");}#elsestatic 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) {		pr_err("Could not look up dmic 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");}#elsestatic 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);}#elsestatic 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);}#elsestatic 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_OMAP2static 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_OMAP3static 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#endifstatic 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);}#elsestatic inline void omap_init_sham(void) { }#endif#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)#ifdef CONFIG_ARCH_OMAP2static 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_OMAP3static 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#endifstatic 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);}#elsestatic 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] = {};#elsestatic struct resource omap_vout_resource[2] = {};#endifstatic 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");}#elsestatic inline void omap_init_vout(void) {}#endif#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev){	int cnt	= 0;	while (ocp2scp_dev->drv_name != NULL) {		cnt++;		ocp2scp_dev++;	}	return cnt;}static void __init omap_init_ocp2scp(void){	struct omap_hwmod	*oh;	struct platform_device	*pdev;	int			bus_id = -1, dev_cnt = 0, i;	struct omap_ocp2scp_dev	*ocp2scp_dev;	const char		*oh_name, *name;	struct omap_ocp2scp_platform_data *pdata;	if (!cpu_is_omap44xx())		return;	oh_name = "ocp2scp_usb_phy";	name	= "omap-ocp2scp";	oh = omap_hwmod_lookup(oh_name);	if (!oh) {		pr_err("%s: could not find omap_hwmod for %s\n", __func__,								oh_name);		return;	}	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);	if (!pdata) {		pr_err("%s: No memory for ocp2scp pdata\n", __func__);		return;	}	ocp2scp_dev = oh->dev_attr;	dev_cnt = count_ocp2scp_devices(ocp2scp_dev);	if (!dev_cnt) {		pr_err("%s: No devices connected to ocp2scp\n", __func__);		kfree(pdata);		return;	}	pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)					* dev_cnt, GFP_KERNEL);	if (!pdata->devices) {		pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);		kfree(pdata);		return;	}	for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)		pdata->devices[i] = ocp2scp_dev;	pdata->dev_cnt	= dev_cnt;	pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL,								0, false);	if (IS_ERR(pdev)) {		pr_err("Could not build omap_device for %s %s\n",						name, oh_name);		kfree(pdata->devices);		kfree(pdata);		return;	}}#elsestatic inline void omap_init_ocp2scp(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();	omap_init_ocp2scp();	return 0;}arch_initcall(omap2_init_devices);
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