arch/arm/mach-omap1/devices.c - kernel/msm - Gitiles

 /*
  * linux/arch/arm/mach-omap1/devices.c
  *
  * OMAP1 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/dma-mapping.h>
 #include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/spi/spi.h>

 #include <mach/camera.h>
 #include <mach/hardware.h>
 #include <asm/mach/map.h>

 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mux.h>
 #include <plat/mmc.h>
 #include <plat/omap7xx.h>
 #include <plat/mcbsp.h>

 /*-------------------------------------------------------------------------*/

 #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE)

 #define	OMAP_RTC_BASE		0xfffb4800

 static struct resource rtc_resources[] = {
 	{
 		.start		= OMAP_RTC_BASE,
 		.end		= OMAP_RTC_BASE + 0x5f,
 		.flags		= IORESOURCE_MEM,
 	},
 	{
 		.start		= INT_RTC_TIMER,
 		.flags		= IORESOURCE_IRQ,
 	},
 	{
 		.start		= INT_RTC_ALARM,
 		.flags		= IORESOURCE_IRQ,
 	},
 };

 static struct platform_device omap_rtc_device = {
 	.name           = "omap_rtc",
 	.id             = -1,
 	.num_resources	= ARRAY_SIZE(rtc_resources),
 	.resource	= rtc_resources,
 };

 static void omap_init_rtc(void)
 {
 	(void) platform_device_register(&omap_rtc_device);
 }
 #else
 static inline void omap_init_rtc(void) {}
 #endif

 static inline void omap_init_mbox(void) { }

 /*-------------------------------------------------------------------------*/

 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

 static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			int controller_nr)
 {
 	if (controller_nr == 0) {
 		if (cpu_is_omap7xx()) {
 			omap_cfg_reg(MMC_7XX_CMD);
 			omap_cfg_reg(MMC_7XX_CLK);
 			omap_cfg_reg(MMC_7XX_DAT0);
 		} else {
 			omap_cfg_reg(MMC_CMD);
 			omap_cfg_reg(MMC_CLK);
 			omap_cfg_reg(MMC_DAT0);
 		}

 		if (cpu_is_omap1710()) {
 			omap_cfg_reg(M15_1710_MMC_CLKI);
 			omap_cfg_reg(P19_1710_MMC_CMDDIR);
 			omap_cfg_reg(P20_1710_MMC_DATDIR0);
 		}
 		if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) {
 			omap_cfg_reg(MMC_DAT1);
 			/* NOTE: DAT2 can be on W10 (here) or M15 */
 			if (!mmc_controller->slots[0].nomux)
 				omap_cfg_reg(MMC_DAT2);
 			omap_cfg_reg(MMC_DAT3);
 		}
 	}

 	/* Block 2 is on newer chips, and has many pinout options */
 	if (cpu_is_omap16xx() && controller_nr == 1) {
 		if (!mmc_controller->slots[1].nomux) {
 			omap_cfg_reg(Y8_1610_MMC2_CMD);
 			omap_cfg_reg(Y10_1610_MMC2_CLK);
 			omap_cfg_reg(R18_1610_MMC2_CLKIN);
 			omap_cfg_reg(W8_1610_MMC2_DAT0);
 			if (mmc_controller->slots[1].wires == 4) {
 				omap_cfg_reg(V8_1610_MMC2_DAT1);
 				omap_cfg_reg(W15_1610_MMC2_DAT2);
 				omap_cfg_reg(R10_1610_MMC2_DAT3);
 			}

 			/* These are needed for the level shifter */
 			omap_cfg_reg(V9_1610_MMC2_CMDDIR);
 			omap_cfg_reg(V5_1610_MMC2_DATDIR0);
 			omap_cfg_reg(W19_1610_MMC2_DATDIR1);
 		}

 		/* Feedback clock must be set on OMAP-1710 MMC2 */
 		if (cpu_is_omap1710())
 			omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
 					MOD_CONF_CTRL_1);
 	}
 }

 void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 			int nr_controllers)
 {
 	int i;

 	for (i = 0; i < nr_controllers; i++) {
 		unsigned long base, size;
 		unsigned int irq = 0;

 		if (!mmc_data[i])
 			continue;

 		omap1_mmc_mux(mmc_data[i], i);

 		switch (i) {
 		case 0:
 			base = OMAP1_MMC1_BASE;
 			irq = INT_MMC;
 			break;
 		case 1:
 			if (!cpu_is_omap16xx())
 				return;
 			base = OMAP1_MMC2_BASE;
 			irq = INT_1610_MMC2;
 			break;
 		default:
 			continue;
 		}
 		size = OMAP1_MMC_SIZE;

 		omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]);
 	};
 }

 #endif

 /*-------------------------------------------------------------------------*/

 /* OMAP7xx SPI support */
 #if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE)

 struct platform_device omap_spi1 = {
 	.name           = "omap1_spi100k",
 	.id             = 1,
 };

 struct platform_device omap_spi2 = {
 	.name           = "omap1_spi100k",
 	.id             = 2,
 };

 static void omap_init_spi100k(void)
 {
 	omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
 	if (omap_spi1.dev.platform_data)
 		platform_device_register(&omap_spi1);

 	omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
 	if (omap_spi2.dev.platform_data)
 		platform_device_register(&omap_spi2);
 }

 #else
 static inline void omap_init_spi100k(void)
 {
 }
 #endif


 #define OMAP1_CAMERA_BASE	0xfffb6800
 #define OMAP1_CAMERA_IOSIZE	0x1c

 static struct resource omap1_camera_resources[] = {
 	[0] = {
 		.start	= OMAP1_CAMERA_BASE,
 		.end	= OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
 		.start	= INT_CAMERA,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);

 static struct platform_device omap1_camera_device = {
 	.name		= "omap1-camera",
 	.id		= 0, /* This is used to put cameras on this interface */
 	.dev		= {
 		.dma_mask		= &omap1_camera_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 	.num_resources	= ARRAY_SIZE(omap1_camera_resources),
 	.resource	= omap1_camera_resources,
 };

 void __init omap1_camera_init(void *info)
 {
 	struct platform_device *dev = &omap1_camera_device;
 	int ret;

 	dev->dev.platform_data = info;

 	ret = platform_device_register(dev);
 	if (ret)
 		dev_err(&dev->dev, "unable to register device: %d\n", ret);
 }


 /*-------------------------------------------------------------------------*/

 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,
 };

 OMAP_MCBSP_PLATFORM_DEVICE(1);
 OMAP_MCBSP_PLATFORM_DEVICE(2);
 OMAP_MCBSP_PLATFORM_DEVICE(3);

 static void omap_init_audio(void)
 {
 	platform_device_register(&omap_mcbsp1);
 	platform_device_register(&omap_mcbsp2);
 	if (!cpu_is_omap7xx())
 		platform_device_register(&omap_mcbsp3);
 	platform_device_register(&omap_pcm);
 }

 #else
 static inline void omap_init_audio(void) {}
 #endif

 /*-------------------------------------------------------------------------*/

 /*
  * This gets called after board-specific INIT_MACHINE, and initializes most
  * on-chip peripherals accessible on this board (except for few like USB):
  *
  *  (a) Does any "standard config" pin muxing needed.  Board-specific
  *	code will have muxed GPIO pins and done "nonstandard" setup;
  *	that code could live in the boot loader.
  *  (b) Populating board-specific platform_data with the data drivers
  *	rely on to handle wiring variations.
  *  (c) Creating platform devices as meaningful on this board and
  *	with this kernel configuration.
  *
  * Claiming GPIOs, and setting their direction and initial values, is the
  * responsibility of the device drivers.  So is responding to probe().
  *
  * Board-specific knowledge like creating devices or pin setup is to be
  * kept out of drivers as much as possible.  In particular, pin setup
  * may be handled by the boot loader, and drivers should expect it will
  * normally have been done by the time they're probed.
  */
 static int __init omap1_init_devices(void)
 {
 	if (!cpu_class_is_omap1())
 		return -ENODEV;

 	/* please keep these calls, and their implementations above,
 	 * in alphabetical order so they're easier to sort through.
 	 */

 	omap_init_mbox();
 	omap_init_rtc();
 	omap_init_spi100k();
 	omap_init_sti();
 	omap_init_audio();

 	return 0;
 }
 arch_initcall(omap1_init_devices);

 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)

 static struct resource wdt_resources[] = {
 	{
 		.start		= 0xfffeb000,
 		.end		= 0xfffeb07F,
 		.flags		= IORESOURCE_MEM,
 	},
 };

 static struct platform_device omap_wdt_device = {
 	.name	   = "omap_wdt",
 	.id	     = -1,
 	.num_resources	= ARRAY_SIZE(wdt_resources),
 	.resource	= wdt_resources,
 };

 static int __init omap_init_wdt(void)
 {
 	if (!cpu_is_omap16xx())
 		return -ENODEV;

 	return platform_device_register(&omap_wdt_device);
 }
 subsys_initcall(omap_init_wdt);
 #endif
	/*
	* linux/arch/arm/mach-omap1/devices.c
	*
	* OMAP1 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/dma-mapping.h>
	#include <linux/gpio.h>
	#include <linux/module.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/platform_device.h>
	#include <linux/io.h>
	#include <linux/spi/spi.h>

	#include <mach/camera.h>
	#include <mach/hardware.h>
	#include <asm/mach/map.h>

	#include <plat/tc.h>
	#include <plat/board.h>
	#include <plat/mux.h>
	#include <plat/mmc.h>
	#include <plat/omap7xx.h>
	#include <plat/mcbsp.h>

	/-------------------------------------------------------------------------/

	#if defined(CONFIG_RTC_DRV_OMAP) \|\| defined(CONFIG_RTC_DRV_OMAP_MODULE)

	#define OMAP_RTC_BASE 0xfffb4800

	static struct resource rtc_resources[] = {
	{
	.start = OMAP_RTC_BASE,
	.end = OMAP_RTC_BASE + 0x5f,
	.flags = IORESOURCE_MEM,
	},
	{
	.start = INT_RTC_TIMER,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = INT_RTC_ALARM,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device omap_rtc_device = {
	.name = "omap_rtc",
	.id = -1,
	.num_resources = ARRAY_SIZE(rtc_resources),
	.resource = rtc_resources,
	};

	static void omap_init_rtc(void)
	{
	(void) platform_device_register(&omap_rtc_device);
	}
	#else
	static inline void omap_init_rtc(void) {}
	#endif

	static inline void omap_init_mbox(void) { }

	/-------------------------------------------------------------------------/

	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE)

	static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
	int controller_nr)
	{
	if (controller_nr == 0) {
	if (cpu_is_omap7xx()) {
	omap_cfg_reg(MMC_7XX_CMD);
	omap_cfg_reg(MMC_7XX_CLK);
	omap_cfg_reg(MMC_7XX_DAT0);
	} else {
	omap_cfg_reg(MMC_CMD);
	omap_cfg_reg(MMC_CLK);
	omap_cfg_reg(MMC_DAT0);
	}

	if (cpu_is_omap1710()) {
	omap_cfg_reg(M15_1710_MMC_CLKI);
	omap_cfg_reg(P19_1710_MMC_CMDDIR);
	omap_cfg_reg(P20_1710_MMC_DATDIR0);
	}
	if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) {
	omap_cfg_reg(MMC_DAT1);
	/* NOTE: DAT2 can be on W10 (here) or M15 */
	if (!mmc_controller->slots[0].nomux)
	omap_cfg_reg(MMC_DAT2);
	omap_cfg_reg(MMC_DAT3);
	}
	}

	/* Block 2 is on newer chips, and has many pinout options */
	if (cpu_is_omap16xx() && controller_nr == 1) {
	if (!mmc_controller->slots[1].nomux) {
	omap_cfg_reg(Y8_1610_MMC2_CMD);
	omap_cfg_reg(Y10_1610_MMC2_CLK);
	omap_cfg_reg(R18_1610_MMC2_CLKIN);
	omap_cfg_reg(W8_1610_MMC2_DAT0);
	if (mmc_controller->slots[1].wires == 4) {
	omap_cfg_reg(V8_1610_MMC2_DAT1);
	omap_cfg_reg(W15_1610_MMC2_DAT2);
	omap_cfg_reg(R10_1610_MMC2_DAT3);
	}

	/* These are needed for the level shifter */
	omap_cfg_reg(V9_1610_MMC2_CMDDIR);
	omap_cfg_reg(V5_1610_MMC2_DATDIR0);
	omap_cfg_reg(W19_1610_MMC2_DATDIR1);
	}

	/* Feedback clock must be set on OMAP-1710 MMC2 */
	if (cpu_is_omap1710())
	omap_writel(omap_readl(MOD_CONF_CTRL_1) \| (1 << 24),
	MOD_CONF_CTRL_1);
	}
	}

	void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
	int nr_controllers)
	{
	int i;

	for (i = 0; i < nr_controllers; i++) {
	unsigned long base, size;
	unsigned int irq = 0;

	if (!mmc_data[i])
	continue;

	omap1_mmc_mux(mmc_data[i], i);

	switch (i) {
	case 0:
	base = OMAP1_MMC1_BASE;
	irq = INT_MMC;
	break;
	case 1:
	if (!cpu_is_omap16xx())
	return;
	base = OMAP1_MMC2_BASE;
	irq = INT_1610_MMC2;
	break;
	default:
	continue;
	}
	size = OMAP1_MMC_SIZE;

	omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]);
	};
	}

	#endif

	/-------------------------------------------------------------------------/

	/* OMAP7xx SPI support */
	#if defined(CONFIG_SPI_OMAP_100K) \|\| defined(CONFIG_SPI_OMAP_100K_MODULE)

	struct platform_device omap_spi1 = {
	.name = "omap1_spi100k",
	.id = 1,
	};

	struct platform_device omap_spi2 = {
	.name = "omap1_spi100k",
	.id = 2,
	};

	static void omap_init_spi100k(void)
	{
	omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
	if (omap_spi1.dev.platform_data)
	platform_device_register(&omap_spi1);

	omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
	if (omap_spi2.dev.platform_data)
	platform_device_register(&omap_spi2);
	}

	#else
	static inline void omap_init_spi100k(void)
	{
	}
	#endif


	#define OMAP1_CAMERA_BASE 0xfffb6800
	#define OMAP1_CAMERA_IOSIZE 0x1c

	static struct resource omap1_camera_resources[] = {
	[0] = {
	.start = OMAP1_CAMERA_BASE,
	.end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = INT_CAMERA,
	.flags = IORESOURCE_IRQ,
	},
	};

	static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);

	static struct platform_device omap1_camera_device = {
	.name = "omap1-camera",
	.id = 0, /* This is used to put cameras on this interface */
	.dev = {
	.dma_mask = &omap1_camera_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.num_resources = ARRAY_SIZE(omap1_camera_resources),
	.resource = omap1_camera_resources,
	};

	void __init omap1_camera_init(void *info)
	{
	struct platform_device *dev = &omap1_camera_device;
	int ret;

	dev->dev.platform_data = info;

	ret = platform_device_register(dev);
	if (ret)
	dev_err(&dev->dev, "unable to register device: %d\n", ret);
	}


	/-------------------------------------------------------------------------/

	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,
	};

	OMAP_MCBSP_PLATFORM_DEVICE(1);
	OMAP_MCBSP_PLATFORM_DEVICE(2);
	OMAP_MCBSP_PLATFORM_DEVICE(3);

	static void omap_init_audio(void)
	{
	platform_device_register(&omap_mcbsp1);
	platform_device_register(&omap_mcbsp2);
	if (!cpu_is_omap7xx())
	platform_device_register(&omap_mcbsp3);
	platform_device_register(&omap_pcm);
	}

	#else
	static inline void omap_init_audio(void) {}
	#endif

	/-------------------------------------------------------------------------/

	/*
	* This gets called after board-specific INIT_MACHINE, and initializes most
	* on-chip peripherals accessible on this board (except for few like USB):
	*
	* (a) Does any "standard config" pin muxing needed. Board-specific
	* code will have muxed GPIO pins and done "nonstandard" setup;
	* that code could live in the boot loader.
	* (b) Populating board-specific platform_data with the data drivers
	* rely on to handle wiring variations.
	* (c) Creating platform devices as meaningful on this board and
	* with this kernel configuration.
	*
	* Claiming GPIOs, and setting their direction and initial values, is the
	* responsibility of the device drivers. So is responding to probe().
	*
	* Board-specific knowledge like creating devices or pin setup is to be
	* kept out of drivers as much as possible. In particular, pin setup
	* may be handled by the boot loader, and drivers should expect it will
	* normally have been done by the time they're probed.
	*/
	static int __init omap1_init_devices(void)
	{
	if (!cpu_class_is_omap1())
	return -ENODEV;

	/* please keep these calls, and their implementations above,
	* in alphabetical order so they're easier to sort through.
	*/

	omap_init_mbox();
	omap_init_rtc();
	omap_init_spi100k();
	omap_init_sti();
	omap_init_audio();

	return 0;
	}
	arch_initcall(omap1_init_devices);

	#if defined(CONFIG_OMAP_WATCHDOG) \|\| defined(CONFIG_OMAP_WATCHDOG_MODULE)

	static struct resource wdt_resources[] = {
	{
	.start = 0xfffeb000,
	.end = 0xfffeb07F,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device omap_wdt_device = {
	.name = "omap_wdt",
	.id = -1,
	.num_resources = ARRAY_SIZE(wdt_resources),
	.resource = wdt_resources,
	};

	static int __init omap_init_wdt(void)
	{
	if (!cpu_is_omap16xx())
	return -ENODEV;

	return platform_device_register(&omap_wdt_device);
	}
	subsys_initcall(omap_init_wdt);
	#endif