|  | /* | 
|  | * TI DA850/OMAP-L138 EVM board | 
|  | * | 
|  | * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ | 
|  | * | 
|  | * Derived from: arch/arm/mach-davinci/board-da830-evm.c | 
|  | * Original Copyrights follow: | 
|  | * | 
|  | * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under | 
|  | * the terms of the GNU General Public License version 2. This program | 
|  | * is licensed "as is" without any warranty of any kind, whether express | 
|  | * or implied. | 
|  | */ | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/console.h> | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/i2c/at24.h> | 
|  | #include <linux/i2c/pca953x.h> | 
|  | #include <linux/mfd/tps6507x.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/mtd/mtd.h> | 
|  | #include <linux/mtd/nand.h> | 
|  | #include <linux/mtd/partitions.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/regulator/machine.h> | 
|  | #include <linux/regulator/tps6507x.h> | 
|  | #include <linux/mfd/tps6507x.h> | 
|  | #include <linux/input/tps6507x-ts.h> | 
|  |  | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  |  | 
|  | #include <mach/cp_intc.h> | 
|  | #include <mach/da8xx.h> | 
|  | #include <mach/nand.h> | 
|  | #include <mach/mux.h> | 
|  |  | 
|  | #define DA850_EVM_PHY_MASK		0x1 | 
|  | #define DA850_EVM_MDIO_FREQUENCY	2200000 /* PHY bus frequency */ | 
|  |  | 
|  | #define DA850_LCD_PWR_PIN		GPIO_TO_PIN(2, 8) | 
|  | #define DA850_LCD_BL_PIN		GPIO_TO_PIN(2, 15) | 
|  |  | 
|  | #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0) | 
|  | #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1) | 
|  |  | 
|  | #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6) | 
|  |  | 
|  | static struct mtd_partition da850_evm_norflash_partition[] = { | 
|  | { | 
|  | .name           = "bootloaders + env", | 
|  | .offset         = 0, | 
|  | .size           = SZ_512K, | 
|  | .mask_flags     = MTD_WRITEABLE, | 
|  | }, | 
|  | { | 
|  | .name           = "kernel", | 
|  | .offset         = MTDPART_OFS_APPEND, | 
|  | .size           = SZ_2M, | 
|  | .mask_flags     = 0, | 
|  | }, | 
|  | { | 
|  | .name           = "filesystem", | 
|  | .offset         = MTDPART_OFS_APPEND, | 
|  | .size           = MTDPART_SIZ_FULL, | 
|  | .mask_flags     = 0, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct physmap_flash_data da850_evm_norflash_data = { | 
|  | .width		= 2, | 
|  | .parts		= da850_evm_norflash_partition, | 
|  | .nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition), | 
|  | }; | 
|  |  | 
|  | static struct resource da850_evm_norflash_resource[] = { | 
|  | { | 
|  | .start	= DA8XX_AEMIF_CS2_BASE, | 
|  | .end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1, | 
|  | .flags	= IORESOURCE_MEM, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_norflash_device = { | 
|  | .name		= "physmap-flash", | 
|  | .id		= 0, | 
|  | .dev		= { | 
|  | .platform_data  = &da850_evm_norflash_data, | 
|  | }, | 
|  | .num_resources	= 1, | 
|  | .resource	= da850_evm_norflash_resource, | 
|  | }; | 
|  |  | 
|  | static struct davinci_pm_config da850_pm_pdata = { | 
|  | .sleepcount = 128, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_pm_device = { | 
|  | .name           = "pm-davinci", | 
|  | .dev = { | 
|  | .platform_data	= &da850_pm_pdata, | 
|  | }, | 
|  | .id             = -1, | 
|  | }; | 
|  |  | 
|  | /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash | 
|  | * (128K blocks). It may be used instead of the (default) SPI flash | 
|  | * to boot, using TI's tools to install the secondary boot loader | 
|  | * (UBL) and U-Boot. | 
|  | */ | 
|  | struct mtd_partition da850_evm_nandflash_partition[] = { | 
|  | { | 
|  | .name		= "u-boot env", | 
|  | .offset		= 0, | 
|  | .size		= SZ_128K, | 
|  | .mask_flags	= MTD_WRITEABLE, | 
|  | }, | 
|  | { | 
|  | .name		= "UBL", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= SZ_128K, | 
|  | .mask_flags	= MTD_WRITEABLE, | 
|  | }, | 
|  | { | 
|  | .name		= "u-boot", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= 4 * SZ_128K, | 
|  | .mask_flags	= MTD_WRITEABLE, | 
|  | }, | 
|  | { | 
|  | .name		= "kernel", | 
|  | .offset		= 0x200000, | 
|  | .size		= SZ_2M, | 
|  | .mask_flags	= 0, | 
|  | }, | 
|  | { | 
|  | .name		= "filesystem", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= MTDPART_SIZ_FULL, | 
|  | .mask_flags	= 0, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct davinci_nand_pdata da850_evm_nandflash_data = { | 
|  | .parts		= da850_evm_nandflash_partition, | 
|  | .nr_parts	= ARRAY_SIZE(da850_evm_nandflash_partition), | 
|  | .ecc_mode	= NAND_ECC_HW, | 
|  | .ecc_bits	= 4, | 
|  | .options	= NAND_USE_FLASH_BBT, | 
|  | }; | 
|  |  | 
|  | static struct resource da850_evm_nandflash_resource[] = { | 
|  | { | 
|  | .start	= DA8XX_AEMIF_CS3_BASE, | 
|  | .end	= DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1, | 
|  | .flags	= IORESOURCE_MEM, | 
|  | }, | 
|  | { | 
|  | .start	= DA8XX_AEMIF_CTL_BASE, | 
|  | .end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1, | 
|  | .flags	= IORESOURCE_MEM, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_nandflash_device = { | 
|  | .name		= "davinci_nand", | 
|  | .id		= 1, | 
|  | .dev		= { | 
|  | .platform_data	= &da850_evm_nandflash_data, | 
|  | }, | 
|  | .num_resources	= ARRAY_SIZE(da850_evm_nandflash_resource), | 
|  | .resource	= da850_evm_nandflash_resource, | 
|  | }; | 
|  |  | 
|  | static struct platform_device *da850_evm_devices[] __initdata = { | 
|  | &da850_evm_nandflash_device, | 
|  | &da850_evm_norflash_device, | 
|  | }; | 
|  |  | 
|  | #define DA8XX_AEMIF_CE2CFG_OFFSET	0x10 | 
|  | #define DA8XX_AEMIF_ASIZE_16BIT		0x1 | 
|  |  | 
|  | static void __init da850_evm_init_nor(void) | 
|  | { | 
|  | void __iomem *aemif_addr; | 
|  |  | 
|  | aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K); | 
|  |  | 
|  | /* Configure data bus width of CS2 to 16 bit */ | 
|  | writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) | | 
|  | DA8XX_AEMIF_ASIZE_16BIT, | 
|  | aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET); | 
|  |  | 
|  | iounmap(aemif_addr); | 
|  | } | 
|  |  | 
|  | static u32 ui_card_detected; | 
|  |  | 
|  | #if defined(CONFIG_MMC_DAVINCI) || \ | 
|  | defined(CONFIG_MMC_DAVINCI_MODULE) | 
|  | #define HAS_MMC 1 | 
|  | #else | 
|  | #define HAS_MMC 0 | 
|  | #endif | 
|  |  | 
|  | static __init void da850_evm_setup_nor_nand(void) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | if (ui_card_detected & !HAS_MMC) { | 
|  | ret = davinci_cfg_reg_list(da850_nand_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: nand mux setup failed: " | 
|  | "%d\n", ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_nor_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: nor mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | da850_evm_init_nor(); | 
|  |  | 
|  | platform_add_devices(da850_evm_devices, | 
|  | ARRAY_SIZE(da850_evm_devices)); | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_DA850_UI_RMII | 
|  | static inline void da850_evm_setup_emac_rmii(int rmii_sel) | 
|  | { | 
|  | struct davinci_soc_info *soc_info = &davinci_soc_info; | 
|  |  | 
|  | soc_info->emac_pdata->rmii_en = 1; | 
|  | gpio_set_value(rmii_sel, 0); | 
|  | } | 
|  | #else | 
|  | static inline void da850_evm_setup_emac_rmii(int rmii_sel) { } | 
|  | #endif | 
|  |  | 
|  | static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, | 
|  | unsigned ngpio, void *c) | 
|  | { | 
|  | int sel_a, sel_b, sel_c, ret; | 
|  |  | 
|  | sel_a = gpio + 7; | 
|  | sel_b = gpio + 6; | 
|  | sel_c = gpio + 5; | 
|  |  | 
|  | ret = gpio_request(sel_a, "sel_a"); | 
|  | if (ret) { | 
|  | pr_warning("Cannot open UI expander pin %d\n", sel_a); | 
|  | goto exp_setup_sela_fail; | 
|  | } | 
|  |  | 
|  | ret = gpio_request(sel_b, "sel_b"); | 
|  | if (ret) { | 
|  | pr_warning("Cannot open UI expander pin %d\n", sel_b); | 
|  | goto exp_setup_selb_fail; | 
|  | } | 
|  |  | 
|  | ret = gpio_request(sel_c, "sel_c"); | 
|  | if (ret) { | 
|  | pr_warning("Cannot open UI expander pin %d\n", sel_c); | 
|  | goto exp_setup_selc_fail; | 
|  | } | 
|  |  | 
|  | /* deselect all functionalities */ | 
|  | gpio_direction_output(sel_a, 1); | 
|  | gpio_direction_output(sel_b, 1); | 
|  | gpio_direction_output(sel_c, 1); | 
|  |  | 
|  | ui_card_detected = 1; | 
|  | pr_info("DA850/OMAP-L138 EVM UI card detected\n"); | 
|  |  | 
|  | da850_evm_setup_nor_nand(); | 
|  |  | 
|  | da850_evm_setup_emac_rmii(sel_a); | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | exp_setup_selc_fail: | 
|  | gpio_free(sel_b); | 
|  | exp_setup_selb_fail: | 
|  | gpio_free(sel_a); | 
|  | exp_setup_sela_fail: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int da850_evm_ui_expander_teardown(struct i2c_client *client, | 
|  | unsigned gpio, unsigned ngpio, void *c) | 
|  | { | 
|  | /* deselect all functionalities */ | 
|  | gpio_set_value(gpio + 5, 1); | 
|  | gpio_set_value(gpio + 6, 1); | 
|  | gpio_set_value(gpio + 7, 1); | 
|  |  | 
|  | gpio_free(gpio + 5); | 
|  | gpio_free(gpio + 6); | 
|  | gpio_free(gpio + 7); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct pca953x_platform_data da850_evm_ui_expander_info = { | 
|  | .gpio_base	= DAVINCI_N_GPIO, | 
|  | .setup		= da850_evm_ui_expander_setup, | 
|  | .teardown	= da850_evm_ui_expander_teardown, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info __initdata da850_evm_i2c_devices[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("tlv320aic3x", 0x18), | 
|  | }, | 
|  | { | 
|  | I2C_BOARD_INFO("tca6416", 0x20), | 
|  | .platform_data = &da850_evm_ui_expander_info, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { | 
|  | .bus_freq	= 100,	/* kHz */ | 
|  | .bus_delay	= 0,	/* usec */ | 
|  | }; | 
|  |  | 
|  | static struct davinci_uart_config da850_evm_uart_config __initdata = { | 
|  | .enabled_uarts = 0x7, | 
|  | }; | 
|  |  | 
|  | /* davinci da850 evm audio machine driver */ | 
|  | static u8 da850_iis_serializer_direction[] = { | 
|  | INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE, | 
|  | INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE, | 
|  | INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	TX_MODE, | 
|  | RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE, | 
|  | }; | 
|  |  | 
|  | static struct snd_platform_data da850_evm_snd_data = { | 
|  | .tx_dma_offset	= 0x2000, | 
|  | .rx_dma_offset	= 0x2000, | 
|  | .op_mode	= DAVINCI_MCASP_IIS_MODE, | 
|  | .num_serializer	= ARRAY_SIZE(da850_iis_serializer_direction), | 
|  | .tdm_slots	= 2, | 
|  | .serial_dir	= da850_iis_serializer_direction, | 
|  | .eventq_no	= EVENTQ_1, | 
|  | .version	= MCASP_VERSION_2, | 
|  | .txnumevt	= 1, | 
|  | .rxnumevt	= 1, | 
|  | }; | 
|  |  | 
|  | static int da850_evm_mmc_get_ro(int index) | 
|  | { | 
|  | return gpio_get_value(DA850_MMCSD_WP_PIN); | 
|  | } | 
|  |  | 
|  | static int da850_evm_mmc_get_cd(int index) | 
|  | { | 
|  | return !gpio_get_value(DA850_MMCSD_CD_PIN); | 
|  | } | 
|  |  | 
|  | static struct davinci_mmc_config da850_mmc_config = { | 
|  | .get_ro		= da850_evm_mmc_get_ro, | 
|  | .get_cd		= da850_evm_mmc_get_cd, | 
|  | .wires		= 4, | 
|  | .max_freq	= 50000000, | 
|  | .caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | 
|  | .version	= MMC_CTLR_VERSION_2, | 
|  | }; | 
|  |  | 
|  | static void da850_panel_power_ctrl(int val) | 
|  | { | 
|  | /* lcd backlight */ | 
|  | gpio_set_value(DA850_LCD_BL_PIN, val); | 
|  |  | 
|  | /* lcd power */ | 
|  | gpio_set_value(DA850_LCD_PWR_PIN, val); | 
|  | } | 
|  |  | 
|  | static int da850_lcd_hw_init(void) | 
|  | { | 
|  | int status; | 
|  |  | 
|  | status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n"); | 
|  | if (status < 0) | 
|  | return status; | 
|  |  | 
|  | status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n"); | 
|  | if (status < 0) { | 
|  | gpio_free(DA850_LCD_BL_PIN); | 
|  | return status; | 
|  | } | 
|  |  | 
|  | gpio_direction_output(DA850_LCD_BL_PIN, 0); | 
|  | gpio_direction_output(DA850_LCD_PWR_PIN, 0); | 
|  |  | 
|  | /* Switch off panel power and backlight */ | 
|  | da850_panel_power_ctrl(0); | 
|  |  | 
|  | /* Switch on panel power and backlight */ | 
|  | da850_panel_power_ctrl(1); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* TPS65070 voltage regulator support */ | 
|  |  | 
|  | /* 3.3V */ | 
|  | struct regulator_consumer_supply tps65070_dcdc1_consumers[] = { | 
|  | { | 
|  | .supply = "usb0_vdda33", | 
|  | }, | 
|  | { | 
|  | .supply = "usb1_vdda33", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 3.3V or 1.8V */ | 
|  | struct regulator_consumer_supply tps65070_dcdc2_consumers[] = { | 
|  | { | 
|  | .supply = "dvdd3318_a", | 
|  | }, | 
|  | { | 
|  | .supply = "dvdd3318_b", | 
|  | }, | 
|  | { | 
|  | .supply = "dvdd3318_c", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.2V */ | 
|  | struct regulator_consumer_supply tps65070_dcdc3_consumers[] = { | 
|  | { | 
|  | .supply = "cvdd", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.8V LDO */ | 
|  | struct regulator_consumer_supply tps65070_ldo1_consumers[] = { | 
|  | { | 
|  | .supply = "sata_vddr", | 
|  | }, | 
|  | { | 
|  | .supply = "usb0_vdda18", | 
|  | }, | 
|  | { | 
|  | .supply = "usb1_vdda18", | 
|  | }, | 
|  | { | 
|  | .supply = "ddr_dvdd18", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.2V LDO */ | 
|  | struct regulator_consumer_supply tps65070_ldo2_consumers[] = { | 
|  | { | 
|  | .supply = "sata_vdd", | 
|  | }, | 
|  | { | 
|  | .supply = "pll0_vdda", | 
|  | }, | 
|  | { | 
|  | .supply = "pll1_vdda", | 
|  | }, | 
|  | { | 
|  | .supply = "usbs_cvdd", | 
|  | }, | 
|  | { | 
|  | .supply = "vddarnwa1", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* We take advantage of the fact that both defdcdc{2,3} are tied high */ | 
|  | static struct tps6507x_reg_platform_data tps6507x_platform_data = { | 
|  | .defdcdc_default = true, | 
|  | }; | 
|  |  | 
|  | struct regulator_init_data tps65070_regulator_data[] = { | 
|  | /* dcdc1 */ | 
|  | { | 
|  | .constraints = { | 
|  | .min_uV = 3150000, | 
|  | .max_uV = 3450000, | 
|  | .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | | 
|  | REGULATOR_CHANGE_STATUS), | 
|  | .boot_on = 1, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers), | 
|  | .consumer_supplies = tps65070_dcdc1_consumers, | 
|  | }, | 
|  |  | 
|  | /* dcdc2 */ | 
|  | { | 
|  | .constraints = { | 
|  | .min_uV = 1710000, | 
|  | .max_uV = 3450000, | 
|  | .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | | 
|  | REGULATOR_CHANGE_STATUS), | 
|  | .boot_on = 1, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers), | 
|  | .consumer_supplies = tps65070_dcdc2_consumers, | 
|  | .driver_data = &tps6507x_platform_data, | 
|  | }, | 
|  |  | 
|  | /* dcdc3 */ | 
|  | { | 
|  | .constraints = { | 
|  | .min_uV = 950000, | 
|  | .max_uV = 1320000, | 
|  | .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | | 
|  | REGULATOR_CHANGE_STATUS), | 
|  | .boot_on = 1, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers), | 
|  | .consumer_supplies = tps65070_dcdc3_consumers, | 
|  | .driver_data = &tps6507x_platform_data, | 
|  | }, | 
|  |  | 
|  | /* ldo1 */ | 
|  | { | 
|  | .constraints = { | 
|  | .min_uV = 1710000, | 
|  | .max_uV = 1890000, | 
|  | .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | | 
|  | REGULATOR_CHANGE_STATUS), | 
|  | .boot_on = 1, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers), | 
|  | .consumer_supplies = tps65070_ldo1_consumers, | 
|  | }, | 
|  |  | 
|  | /* ldo2 */ | 
|  | { | 
|  | .constraints = { | 
|  | .min_uV = 1140000, | 
|  | .max_uV = 1320000, | 
|  | .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | | 
|  | REGULATOR_CHANGE_STATUS), | 
|  | .boot_on = 1, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers), | 
|  | .consumer_supplies = tps65070_ldo2_consumers, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct touchscreen_init_data tps6507x_touchscreen_data = { | 
|  | .poll_period =  30,	/* ms between touch samples */ | 
|  | .min_pressure = 0x30,	/* minimum pressure to trigger touch */ | 
|  | .vref = 0,		/* turn off vref when not using A/D */ | 
|  | .vendor = 0,		/* /sys/class/input/input?/id/vendor */ | 
|  | .product = 65070,	/* /sys/class/input/input?/id/product */ | 
|  | .version = 0x100,	/* /sys/class/input/input?/id/version */ | 
|  | }; | 
|  |  | 
|  | static struct tps6507x_board tps_board = { | 
|  | .tps6507x_pmic_init_data = &tps65070_regulator_data[0], | 
|  | .tps6507x_ts_init_data = &tps6507x_touchscreen_data, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info __initdata da850evm_tps65070_info[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("tps6507x", 0x48), | 
|  | .platform_data = &tps_board, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int __init pmic_tps65070_init(void) | 
|  | { | 
|  | return i2c_register_board_info(1, da850evm_tps65070_info, | 
|  | ARRAY_SIZE(da850evm_tps65070_info)); | 
|  | } | 
|  |  | 
|  | static const short da850_evm_lcdc_pins[] = { | 
|  | DA850_GPIO2_8, DA850_GPIO2_15, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | static int __init da850_evm_config_emac(void) | 
|  | { | 
|  | void __iomem *cfg_chip3_base; | 
|  | int ret; | 
|  | u32 val; | 
|  | struct davinci_soc_info *soc_info = &davinci_soc_info; | 
|  | u8 rmii_en = soc_info->emac_pdata->rmii_en; | 
|  |  | 
|  | if (!machine_is_davinci_da850_evm()) | 
|  | return 0; | 
|  |  | 
|  | cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); | 
|  |  | 
|  | val = __raw_readl(cfg_chip3_base); | 
|  |  | 
|  | if (rmii_en) { | 
|  | val |= BIT(8); | 
|  | ret = davinci_cfg_reg_list(da850_rmii_pins); | 
|  | pr_info("EMAC: RMII PHY configured, MII PHY will not be" | 
|  | " functional\n"); | 
|  | } else { | 
|  | val &= ~BIT(8); | 
|  | ret = davinci_cfg_reg_list(da850_cpgmac_pins); | 
|  | pr_info("EMAC: MII PHY configured, RMII PHY will not be" | 
|  | " functional\n"); | 
|  | } | 
|  |  | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | /* configure the CFGCHIP3 register for RMII or MII */ | 
|  | __raw_writel(val, cfg_chip3_base); | 
|  |  | 
|  | ret = davinci_cfg_reg(DA850_GPIO2_6); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init:GPIO(2,6) mux setup " | 
|  | "failed\n"); | 
|  |  | 
|  | ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en"); | 
|  | if (ret) { | 
|  | pr_warning("Cannot open GPIO %d\n", | 
|  | DA850_MII_MDIO_CLKEN_PIN); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* Enable/Disable MII MDIO clock */ | 
|  | gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en); | 
|  |  | 
|  | soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK; | 
|  | soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY; | 
|  |  | 
|  | ret = da8xx_register_emac(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: emac registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | device_initcall(da850_evm_config_emac); | 
|  |  | 
|  | static __init void da850_evm_init(void) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = pmic_tps65070_init(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da8xx_register_edma(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: edma registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_i2c0_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: i2c0 registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  |  | 
|  | ret = da8xx_register_watchdog(); | 
|  | if (ret) | 
|  | pr_warning("da830_evm_init: watchdog registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | if (HAS_MMC) { | 
|  | ret = davinci_cfg_reg_list(da850_mmcsd0_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: mmcsd0 mux setup failed:" | 
|  | " %d\n", ret); | 
|  |  | 
|  | ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n"); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: can not open GPIO %d\n", | 
|  | DA850_MMCSD_CD_PIN); | 
|  | gpio_direction_input(DA850_MMCSD_CD_PIN); | 
|  |  | 
|  | ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n"); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: can not open GPIO %d\n", | 
|  | DA850_MMCSD_WP_PIN); | 
|  | gpio_direction_input(DA850_MMCSD_WP_PIN); | 
|  |  | 
|  | ret = da8xx_register_mmcsd0(&da850_mmc_config); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: mmcsd0 registration failed:" | 
|  | " %d\n", ret); | 
|  | } | 
|  |  | 
|  | davinci_serial_init(&da850_evm_uart_config); | 
|  |  | 
|  | i2c_register_board_info(1, da850_evm_i2c_devices, | 
|  | ARRAY_SIZE(da850_evm_i2c_devices)); | 
|  |  | 
|  | /* | 
|  | * shut down uart 0 and 1; they are not used on the board and | 
|  | * accessing them causes endless "too much work in irq53" messages | 
|  | * with arago fs | 
|  | */ | 
|  | __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); | 
|  | __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_mcasp_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: mcasp mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | da8xx_register_mcasp(0, &da850_evm_snd_data); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_lcdcntl_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | /* Handle board specific muxing for LCD here */ | 
|  | ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: evm specific lcd mux setup " | 
|  | "failed: %d\n",	ret); | 
|  |  | 
|  | ret = da850_lcd_hw_init(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: lcd initialization failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl, | 
|  | ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: lcdc registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da8xx_register_rtc(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: rtc setup failed: %d\n", ret); | 
|  |  | 
|  | ret = da850_register_cpufreq(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: cpufreq registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da8xx_register_cpuidle(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: cpuidle registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da850_register_pm(&da850_pm_device); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: suspend registration failed: %d\n", | 
|  | ret); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_SERIAL_8250_CONSOLE | 
|  | static int __init da850_evm_console_init(void) | 
|  | { | 
|  | return add_preferred_console("ttyS", 2, "115200"); | 
|  | } | 
|  | console_initcall(da850_evm_console_init); | 
|  | #endif | 
|  |  | 
|  | static void __init da850_evm_map_io(void) | 
|  | { | 
|  | da850_init(); | 
|  | } | 
|  |  | 
|  | MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM") | 
|  | .phys_io	= IO_PHYS, | 
|  | .io_pg_offst	= (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | 
|  | .boot_params	= (DA8XX_DDR_BASE + 0x100), | 
|  | .map_io		= da850_evm_map_io, | 
|  | .init_irq	= cp_intc_init, | 
|  | .timer		= &davinci_timer, | 
|  | .init_machine	= da850_evm_init, | 
|  | MACHINE_END |