|  | /* | 
|  | * 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/input.h> | 
|  | #include <linux/mfd/tps6507x.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/gpio_keys.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/input/tps6507x-ts.h> | 
|  | #include <linux/spi/spi.h> | 
|  | #include <linux/spi/flash.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/wl12xx.h> | 
|  |  | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/system_info.h> | 
|  |  | 
|  | #include <mach/cp_intc.h> | 
|  | #include <mach/da8xx.h> | 
|  | #include <mach/nand.h> | 
|  | #include <mach/mux.h> | 
|  | #include <mach/aemif.h> | 
|  | #include <mach/spi.h> | 
|  |  | 
|  | #define DA850_EVM_PHY_ID		"davinci_mdio-0:00" | 
|  | #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_WLAN_EN			GPIO_TO_PIN(6, 9) | 
|  | #define DA850_WLAN_IRQ			GPIO_TO_PIN(6, 10) | 
|  |  | 
|  | #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6) | 
|  |  | 
|  | static struct mtd_partition da850evm_spiflash_part[] = { | 
|  | [0] = { | 
|  | .name = "UBL", | 
|  | .offset = 0, | 
|  | .size = SZ_64K, | 
|  | .mask_flags = MTD_WRITEABLE, | 
|  | }, | 
|  | [1] = { | 
|  | .name = "U-Boot", | 
|  | .offset = MTDPART_OFS_APPEND, | 
|  | .size = SZ_512K, | 
|  | .mask_flags = MTD_WRITEABLE, | 
|  | }, | 
|  | [2] = { | 
|  | .name = "U-Boot-Env", | 
|  | .offset = MTDPART_OFS_APPEND, | 
|  | .size = SZ_64K, | 
|  | .mask_flags = MTD_WRITEABLE, | 
|  | }, | 
|  | [3] = { | 
|  | .name = "Kernel", | 
|  | .offset = MTDPART_OFS_APPEND, | 
|  | .size = SZ_2M + SZ_512K, | 
|  | .mask_flags = 0, | 
|  | }, | 
|  | [4] = { | 
|  | .name = "Filesystem", | 
|  | .offset = MTDPART_OFS_APPEND, | 
|  | .size = SZ_4M, | 
|  | .mask_flags = 0, | 
|  | }, | 
|  | [5] = { | 
|  | .name = "MAC-Address", | 
|  | .offset = SZ_8M - SZ_64K, | 
|  | .size = SZ_64K, | 
|  | .mask_flags = MTD_WRITEABLE, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct flash_platform_data da850evm_spiflash_data = { | 
|  | .name		= "m25p80", | 
|  | .parts		= da850evm_spiflash_part, | 
|  | .nr_parts	= ARRAY_SIZE(da850evm_spiflash_part), | 
|  | .type		= "m25p64", | 
|  | }; | 
|  |  | 
|  | static struct davinci_spi_config da850evm_spiflash_cfg = { | 
|  | .io_type	= SPI_IO_TYPE_DMA, | 
|  | .c2tdelay	= 8, | 
|  | .t2cdelay	= 8, | 
|  | }; | 
|  |  | 
|  | static struct spi_board_info da850evm_spi_info[] = { | 
|  | { | 
|  | .modalias		= "m25p80", | 
|  | .platform_data		= &da850evm_spiflash_data, | 
|  | .controller_data	= &da850evm_spiflash_cfg, | 
|  | .mode			= SPI_MODE_0, | 
|  | .max_speed_hz		= 30000000, | 
|  | .bus_num		= 1, | 
|  | .chip_select		= 0, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | #ifdef CONFIG_MTD | 
|  | static void da850_evm_m25p80_notify_add(struct mtd_info *mtd) | 
|  | { | 
|  | char *mac_addr = davinci_soc_info.emac_pdata->mac_addr; | 
|  | size_t retlen; | 
|  |  | 
|  | if (!strcmp(mtd->name, "MAC-Address")) { | 
|  | mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr); | 
|  | if (retlen == ETH_ALEN) | 
|  | pr_info("Read MAC addr from SPI Flash: %pM\n", | 
|  | mac_addr); | 
|  | } | 
|  | } | 
|  |  | 
|  | static struct mtd_notifier da850evm_spi_notifier = { | 
|  | .add	= da850_evm_m25p80_notify_add, | 
|  | }; | 
|  |  | 
|  | static void da850_evm_setup_mac_addr(void) | 
|  | { | 
|  | register_mtd_user(&da850evm_spi_notifier); | 
|  | } | 
|  | #else | 
|  | static void da850_evm_setup_mac_addr(void) { } | 
|  | #endif | 
|  |  | 
|  | 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. | 
|  | */ | 
|  | static 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_aemif_timing da850_evm_nandflash_timing = { | 
|  | .wsetup		= 24, | 
|  | .wstrobe	= 21, | 
|  | .whold		= 14, | 
|  | .rsetup		= 19, | 
|  | .rstrobe	= 50, | 
|  | .rhold		= 0, | 
|  | .ta		= 20, | 
|  | }; | 
|  |  | 
|  | 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, | 
|  | .bbt_options	= NAND_BBT_USE_FLASH, | 
|  | .timing		= &da850_evm_nandflash_timing, | 
|  | }; | 
|  |  | 
|  | 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[] = { | 
|  | &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 const short da850_evm_nand_pins[] = { | 
|  | DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3, | 
|  | DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7, | 
|  | DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4, | 
|  | DA850_NEMA_WE, DA850_NEMA_OE, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | static const short da850_evm_nor_pins[] = { | 
|  | DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2, | 
|  | DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1, | 
|  | DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5, | 
|  | DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9, | 
|  | DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13, | 
|  | DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1, | 
|  | DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5, | 
|  | DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9, | 
|  | DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13, | 
|  | DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17, | 
|  | DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21, | 
|  | DA850_EMA_A_22, DA850_EMA_A_23, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | #if defined(CONFIG_MMC_DAVINCI) || \ | 
|  | defined(CONFIG_MMC_DAVINCI_MODULE) | 
|  | #define HAS_MMC 1 | 
|  | #else | 
|  | #define HAS_MMC 0 | 
|  | #endif | 
|  |  | 
|  | static inline void da850_evm_setup_nor_nand(void) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | if (!HAS_MMC) { | 
|  | ret = davinci_cfg_reg_list(da850_evm_nand_pins); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: nand mux setup failed: " | 
|  | "%d\n", ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_evm_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_cansleep(rmii_sel, 0); | 
|  | } | 
|  | #else | 
|  | static inline void da850_evm_setup_emac_rmii(int rmii_sel) { } | 
|  | #endif | 
|  |  | 
|  |  | 
|  | #define DA850_KEYS_DEBOUNCE_MS	10 | 
|  | /* | 
|  | * At 200ms polling interval it is possible to miss an | 
|  | * event by tapping very lightly on the push button but most | 
|  | * pushes do result in an event; longer intervals require the | 
|  | * user to hold the button whereas shorter intervals require | 
|  | * more CPU time for polling. | 
|  | */ | 
|  | #define DA850_GPIO_KEYS_POLL_MS	200 | 
|  |  | 
|  | enum da850_evm_ui_exp_pins { | 
|  | DA850_EVM_UI_EXP_SEL_C = 5, | 
|  | DA850_EVM_UI_EXP_SEL_B, | 
|  | DA850_EVM_UI_EXP_SEL_A, | 
|  | DA850_EVM_UI_EXP_PB8, | 
|  | DA850_EVM_UI_EXP_PB7, | 
|  | DA850_EVM_UI_EXP_PB6, | 
|  | DA850_EVM_UI_EXP_PB5, | 
|  | DA850_EVM_UI_EXP_PB4, | 
|  | DA850_EVM_UI_EXP_PB3, | 
|  | DA850_EVM_UI_EXP_PB2, | 
|  | DA850_EVM_UI_EXP_PB1, | 
|  | }; | 
|  |  | 
|  | static const char const *da850_evm_ui_exp[] = { | 
|  | [DA850_EVM_UI_EXP_SEL_C]        = "sel_c", | 
|  | [DA850_EVM_UI_EXP_SEL_B]        = "sel_b", | 
|  | [DA850_EVM_UI_EXP_SEL_A]        = "sel_a", | 
|  | [DA850_EVM_UI_EXP_PB8]          = "pb8", | 
|  | [DA850_EVM_UI_EXP_PB7]          = "pb7", | 
|  | [DA850_EVM_UI_EXP_PB6]          = "pb6", | 
|  | [DA850_EVM_UI_EXP_PB5]          = "pb5", | 
|  | [DA850_EVM_UI_EXP_PB4]          = "pb4", | 
|  | [DA850_EVM_UI_EXP_PB3]          = "pb3", | 
|  | [DA850_EVM_UI_EXP_PB2]          = "pb2", | 
|  | [DA850_EVM_UI_EXP_PB1]          = "pb1", | 
|  | }; | 
|  |  | 
|  | #define DA850_N_UI_PB		8 | 
|  |  | 
|  | static struct gpio_keys_button da850_evm_ui_keys[] = { | 
|  | [0 ... DA850_N_UI_PB - 1] = { | 
|  | .type			= EV_KEY, | 
|  | .active_low		= 1, | 
|  | .wakeup			= 0, | 
|  | .debounce_interval	= DA850_KEYS_DEBOUNCE_MS, | 
|  | .code			= -1, /* assigned at runtime */ | 
|  | .gpio			= -1, /* assigned at runtime */ | 
|  | .desc			= NULL, /* assigned at runtime */ | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = { | 
|  | .buttons = da850_evm_ui_keys, | 
|  | .nbuttons = ARRAY_SIZE(da850_evm_ui_keys), | 
|  | .poll_interval = DA850_GPIO_KEYS_POLL_MS, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_ui_keys_device = { | 
|  | .name = "gpio-keys-polled", | 
|  | .id = 0, | 
|  | .dev = { | 
|  | .platform_data = &da850_evm_ui_keys_pdata | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static void da850_evm_ui_keys_init(unsigned gpio) | 
|  | { | 
|  | int i; | 
|  | struct gpio_keys_button *button; | 
|  |  | 
|  | for (i = 0; i < DA850_N_UI_PB; i++) { | 
|  | button = &da850_evm_ui_keys[i]; | 
|  | button->code = KEY_F8 - i; | 
|  | button->desc = (char *) | 
|  | da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i]; | 
|  | button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i; | 
|  | } | 
|  | } | 
|  |  | 
|  | 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 + DA850_EVM_UI_EXP_SEL_A; | 
|  | sel_b = gpio + DA850_EVM_UI_EXP_SEL_B; | 
|  | sel_c = gpio + DA850_EVM_UI_EXP_SEL_C; | 
|  |  | 
|  | ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_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, da850_evm_ui_exp[DA850_EVM_UI_EXP_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, da850_evm_ui_exp[DA850_EVM_UI_EXP_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); | 
|  |  | 
|  | da850_evm_ui_keys_init(gpio); | 
|  | ret = platform_device_register(&da850_evm_ui_keys_device); | 
|  | if (ret) { | 
|  | pr_warning("Could not register UI GPIO expander push-buttons"); | 
|  | goto exp_setup_keys_fail; | 
|  | } | 
|  |  | 
|  | 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_keys_fail: | 
|  | gpio_free(sel_c); | 
|  | 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) | 
|  | { | 
|  | platform_device_unregister(&da850_evm_ui_keys_device); | 
|  |  | 
|  | /* deselect all functionalities */ | 
|  | gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1); | 
|  | gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1); | 
|  | gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1); | 
|  |  | 
|  | gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C); | 
|  | gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B); | 
|  | gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* assign the baseboard expander's GPIOs after the UI board's */ | 
|  | #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp) | 
|  | #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS) | 
|  |  | 
|  | enum da850_evm_bb_exp_pins { | 
|  | DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0, | 
|  | DA850_EVM_BB_EXP_SW_RST, | 
|  | DA850_EVM_BB_EXP_TP_23, | 
|  | DA850_EVM_BB_EXP_TP_22, | 
|  | DA850_EVM_BB_EXP_TP_21, | 
|  | DA850_EVM_BB_EXP_USER_PB1, | 
|  | DA850_EVM_BB_EXP_USER_LED2, | 
|  | DA850_EVM_BB_EXP_USER_LED1, | 
|  | DA850_EVM_BB_EXP_USER_SW1, | 
|  | DA850_EVM_BB_EXP_USER_SW2, | 
|  | DA850_EVM_BB_EXP_USER_SW3, | 
|  | DA850_EVM_BB_EXP_USER_SW4, | 
|  | DA850_EVM_BB_EXP_USER_SW5, | 
|  | DA850_EVM_BB_EXP_USER_SW6, | 
|  | DA850_EVM_BB_EXP_USER_SW7, | 
|  | DA850_EVM_BB_EXP_USER_SW8 | 
|  | }; | 
|  |  | 
|  | static const char const *da850_evm_bb_exp[] = { | 
|  | [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]	= "deep_sleep_en", | 
|  | [DA850_EVM_BB_EXP_SW_RST]		= "sw_rst", | 
|  | [DA850_EVM_BB_EXP_TP_23]		= "tp_23", | 
|  | [DA850_EVM_BB_EXP_TP_22]		= "tp_22", | 
|  | [DA850_EVM_BB_EXP_TP_21]		= "tp_21", | 
|  | [DA850_EVM_BB_EXP_USER_PB1]		= "user_pb1", | 
|  | [DA850_EVM_BB_EXP_USER_LED2]		= "user_led2", | 
|  | [DA850_EVM_BB_EXP_USER_LED1]		= "user_led1", | 
|  | [DA850_EVM_BB_EXP_USER_SW1]		= "user_sw1", | 
|  | [DA850_EVM_BB_EXP_USER_SW2]		= "user_sw2", | 
|  | [DA850_EVM_BB_EXP_USER_SW3]		= "user_sw3", | 
|  | [DA850_EVM_BB_EXP_USER_SW4]		= "user_sw4", | 
|  | [DA850_EVM_BB_EXP_USER_SW5]		= "user_sw5", | 
|  | [DA850_EVM_BB_EXP_USER_SW6]		= "user_sw6", | 
|  | [DA850_EVM_BB_EXP_USER_SW7]		= "user_sw7", | 
|  | [DA850_EVM_BB_EXP_USER_SW8]		= "user_sw8", | 
|  | }; | 
|  |  | 
|  | #define DA850_N_BB_USER_SW	8 | 
|  |  | 
|  | static struct gpio_keys_button da850_evm_bb_keys[] = { | 
|  | [0] = { | 
|  | .type			= EV_KEY, | 
|  | .active_low		= 1, | 
|  | .wakeup			= 0, | 
|  | .debounce_interval	= DA850_KEYS_DEBOUNCE_MS, | 
|  | .code			= KEY_PROG1, | 
|  | .desc			= NULL, /* assigned at runtime */ | 
|  | .gpio			= -1, /* assigned at runtime */ | 
|  | }, | 
|  | [1 ... DA850_N_BB_USER_SW] = { | 
|  | .type			= EV_SW, | 
|  | .active_low		= 1, | 
|  | .wakeup			= 0, | 
|  | .debounce_interval	= DA850_KEYS_DEBOUNCE_MS, | 
|  | .code			= -1, /* assigned at runtime */ | 
|  | .desc			= NULL, /* assigned at runtime */ | 
|  | .gpio			= -1, /* assigned at runtime */ | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = { | 
|  | .buttons = da850_evm_bb_keys, | 
|  | .nbuttons = ARRAY_SIZE(da850_evm_bb_keys), | 
|  | .poll_interval = DA850_GPIO_KEYS_POLL_MS, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_bb_keys_device = { | 
|  | .name = "gpio-keys-polled", | 
|  | .id = 1, | 
|  | .dev = { | 
|  | .platform_data = &da850_evm_bb_keys_pdata | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static void da850_evm_bb_keys_init(unsigned gpio) | 
|  | { | 
|  | int i; | 
|  | struct gpio_keys_button *button; | 
|  |  | 
|  | button = &da850_evm_bb_keys[0]; | 
|  | button->desc = (char *) | 
|  | da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1]; | 
|  | button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1; | 
|  |  | 
|  | for (i = 0; i < DA850_N_BB_USER_SW; i++) { | 
|  | button = &da850_evm_bb_keys[i + 1]; | 
|  | button->code = SW_LID + i; | 
|  | button->desc = (char *) | 
|  | da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i]; | 
|  | button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i; | 
|  | } | 
|  | } | 
|  |  | 
|  | #define DA850_N_BB_USER_LED	2 | 
|  |  | 
|  | static struct gpio_led da850_evm_bb_leds[] = { | 
|  | [0 ... DA850_N_BB_USER_LED - 1] = { | 
|  | .active_low = 1, | 
|  | .gpio = -1, /* assigned at runtime */ | 
|  | .name = NULL, /* assigned at runtime */ | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpio_led_platform_data da850_evm_bb_leds_pdata = { | 
|  | .leds = da850_evm_bb_leds, | 
|  | .num_leds = ARRAY_SIZE(da850_evm_bb_leds), | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_bb_leds_device = { | 
|  | .name		= "leds-gpio", | 
|  | .id		= -1, | 
|  | .dev = { | 
|  | .platform_data = &da850_evm_bb_leds_pdata | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void da850_evm_bb_leds_init(unsigned gpio) | 
|  | { | 
|  | int i; | 
|  | struct gpio_led *led; | 
|  |  | 
|  | for (i = 0; i < DA850_N_BB_USER_LED; i++) { | 
|  | led = &da850_evm_bb_leds[i]; | 
|  |  | 
|  | led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i; | 
|  | led->name = | 
|  | da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i]; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int da850_evm_bb_expander_setup(struct i2c_client *client, | 
|  | unsigned gpio, unsigned ngpio, | 
|  | void *c) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | /* | 
|  | * Register the switches and pushbutton on the baseboard as a gpio-keys | 
|  | * device. | 
|  | */ | 
|  | da850_evm_bb_keys_init(gpio); | 
|  | ret = platform_device_register(&da850_evm_bb_keys_device); | 
|  | if (ret) { | 
|  | pr_warning("Could not register baseboard GPIO expander keys"); | 
|  | goto io_exp_setup_sw_fail; | 
|  | } | 
|  |  | 
|  | da850_evm_bb_leds_init(gpio); | 
|  | ret = platform_device_register(&da850_evm_bb_leds_device); | 
|  | if (ret) { | 
|  | pr_warning("Could not register baseboard GPIO expander LEDS"); | 
|  | goto io_exp_setup_leds_fail; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | io_exp_setup_leds_fail: | 
|  | platform_device_unregister(&da850_evm_bb_keys_device); | 
|  | io_exp_setup_sw_fail: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int da850_evm_bb_expander_teardown(struct i2c_client *client, | 
|  | unsigned gpio, unsigned ngpio, void *c) | 
|  | { | 
|  | platform_device_unregister(&da850_evm_bb_leds_device); | 
|  | platform_device_unregister(&da850_evm_bb_keys_device); | 
|  |  | 
|  | 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, | 
|  | .names		= da850_evm_ui_exp, | 
|  | }; | 
|  |  | 
|  | static struct pca953x_platform_data da850_evm_bb_expander_info = { | 
|  | .gpio_base	= DA850_BB_EXPANDER_GPIO_BASE, | 
|  | .setup		= da850_evm_bb_expander_setup, | 
|  | .teardown	= da850_evm_bb_expander_teardown, | 
|  | .names		= da850_evm_bb_exp, | 
|  | }; | 
|  |  | 
|  | 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, | 
|  | }, | 
|  | { | 
|  | I2C_BOARD_INFO("tca6416", 0x21), | 
|  | .platform_data = &da850_evm_bb_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, | 
|  | .asp_chan_q	= EVENTQ_0, | 
|  | .version	= MCASP_VERSION_2, | 
|  | .txnumevt	= 1, | 
|  | .rxnumevt	= 1, | 
|  | }; | 
|  |  | 
|  | static const short da850_evm_mcasp_pins[] __initconst = { | 
|  | DA850_AHCLKX, DA850_ACLKX, DA850_AFSX, | 
|  | DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE, | 
|  | DA850_AXR_11, DA850_AXR_12, | 
|  | -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 const short da850_evm_mmcsd0_pins[] __initconst = { | 
|  | DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2, | 
|  | DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, | 
|  | DA850_GPIO4_0, DA850_GPIO4_1, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | 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 */ | 
|  | static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = { | 
|  | { | 
|  | .supply = "usb0_vdda33", | 
|  | }, | 
|  | { | 
|  | .supply = "usb1_vdda33", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 3.3V or 1.8V */ | 
|  | static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = { | 
|  | { | 
|  | .supply = "dvdd3318_a", | 
|  | }, | 
|  | { | 
|  | .supply = "dvdd3318_b", | 
|  | }, | 
|  | { | 
|  | .supply = "dvdd3318_c", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.2V */ | 
|  | static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = { | 
|  | { | 
|  | .supply = "cvdd", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.8V LDO */ | 
|  | static struct regulator_consumer_supply tps65070_ldo1_consumers[] = { | 
|  | { | 
|  | .supply = "sata_vddr", | 
|  | }, | 
|  | { | 
|  | .supply = "usb0_vdda18", | 
|  | }, | 
|  | { | 
|  | .supply = "usb1_vdda18", | 
|  | }, | 
|  | { | 
|  | .supply = "ddr_dvdd18", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 1.2V LDO */ | 
|  | static 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, | 
|  | }; | 
|  |  | 
|  | static 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 = 1350000, | 
|  | .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 da850_evm_tps65070_info[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("tps6507x", 0x48), | 
|  | .platform_data = &tps_board, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int __init pmic_tps65070_init(void) | 
|  | { | 
|  | return i2c_register_board_info(1, da850_evm_tps65070_info, | 
|  | ARRAY_SIZE(da850_evm_tps65070_info)); | 
|  | } | 
|  |  | 
|  | static const short da850_evm_lcdc_pins[] = { | 
|  | DA850_GPIO2_8, DA850_GPIO2_15, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | static const short da850_evm_mii_pins[] = { | 
|  | DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, | 
|  | DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, | 
|  | DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, | 
|  | DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, | 
|  | DA850_MDIO_D, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | static const short da850_evm_rmii_pins[] = { | 
|  | DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN, | 
|  | DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1, | 
|  | DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK, | 
|  | DA850_MDIO_D, | 
|  | -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_evm_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_evm_mii_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_id = DA850_EVM_PHY_ID; | 
|  |  | 
|  | 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); | 
|  |  | 
|  | /* | 
|  | * The following EDMA channels/slots are not being used by drivers (for | 
|  | * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence | 
|  | * they are being reserved for codecs on the DSP side. | 
|  | */ | 
|  | static const s16 da850_dma0_rsv_chans[][2] = { | 
|  | /* (offset, number) */ | 
|  | { 8,  6}, | 
|  | {24,  4}, | 
|  | {30,  2}, | 
|  | {-1, -1} | 
|  | }; | 
|  |  | 
|  | static const s16 da850_dma0_rsv_slots[][2] = { | 
|  | /* (offset, number) */ | 
|  | { 8,  6}, | 
|  | {24,  4}, | 
|  | {30, 50}, | 
|  | {-1, -1} | 
|  | }; | 
|  |  | 
|  | static const s16 da850_dma1_rsv_chans[][2] = { | 
|  | /* (offset, number) */ | 
|  | { 0, 28}, | 
|  | {30,  2}, | 
|  | {-1, -1} | 
|  | }; | 
|  |  | 
|  | static const s16 da850_dma1_rsv_slots[][2] = { | 
|  | /* (offset, number) */ | 
|  | { 0, 28}, | 
|  | {30, 90}, | 
|  | {-1, -1} | 
|  | }; | 
|  |  | 
|  | static struct edma_rsv_info da850_edma_cc0_rsv = { | 
|  | .rsv_chans	= da850_dma0_rsv_chans, | 
|  | .rsv_slots	= da850_dma0_rsv_slots, | 
|  | }; | 
|  |  | 
|  | static struct edma_rsv_info da850_edma_cc1_rsv = { | 
|  | .rsv_chans	= da850_dma1_rsv_chans, | 
|  | .rsv_slots	= da850_dma1_rsv_slots, | 
|  | }; | 
|  |  | 
|  | static struct edma_rsv_info *da850_edma_rsv[2] = { | 
|  | &da850_edma_cc0_rsv, | 
|  | &da850_edma_cc1_rsv, | 
|  | }; | 
|  |  | 
|  | #ifdef CONFIG_CPU_FREQ | 
|  | static __init int da850_evm_init_cpufreq(void) | 
|  | { | 
|  | switch (system_rev & 0xF) { | 
|  | case 3: | 
|  | da850_max_speed = 456000; | 
|  | break; | 
|  | case 2: | 
|  | da850_max_speed = 408000; | 
|  | break; | 
|  | case 1: | 
|  | da850_max_speed = 372000; | 
|  | break; | 
|  | } | 
|  |  | 
|  | return da850_register_cpufreq("pll0_sysclk3"); | 
|  | } | 
|  | #else | 
|  | static __init int da850_evm_init_cpufreq(void) { return 0; } | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_DA850_WL12XX | 
|  |  | 
|  | static void wl12xx_set_power(int index, bool power_on) | 
|  | { | 
|  | static bool power_state; | 
|  |  | 
|  | pr_debug("Powering %s wl12xx", power_on ? "on" : "off"); | 
|  |  | 
|  | if (power_on == power_state) | 
|  | return; | 
|  | power_state = power_on; | 
|  |  | 
|  | if (power_on) { | 
|  | /* Power up sequence required for wl127x devices */ | 
|  | gpio_set_value(DA850_WLAN_EN, 1); | 
|  | usleep_range(15000, 15000); | 
|  | gpio_set_value(DA850_WLAN_EN, 0); | 
|  | usleep_range(1000, 1000); | 
|  | gpio_set_value(DA850_WLAN_EN, 1); | 
|  | msleep(70); | 
|  | } else { | 
|  | gpio_set_value(DA850_WLAN_EN, 0); | 
|  | } | 
|  | } | 
|  |  | 
|  | static struct davinci_mmc_config da850_wl12xx_mmc_config = { | 
|  | .set_power	= wl12xx_set_power, | 
|  | .wires		= 4, | 
|  | .max_freq	= 25000000, | 
|  | .caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE | | 
|  | MMC_CAP_POWER_OFF_CARD, | 
|  | .version	= MMC_CTLR_VERSION_2, | 
|  | }; | 
|  |  | 
|  | static const short da850_wl12xx_pins[] __initconst = { | 
|  | DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2, | 
|  | DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD, | 
|  | DA850_GPIO6_9, DA850_GPIO6_10, | 
|  | -1 | 
|  | }; | 
|  |  | 
|  | static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = { | 
|  | .irq			= -1, | 
|  | .board_ref_clock	= WL12XX_REFCLOCK_38, | 
|  | .platform_quirks	= WL12XX_PLATFORM_QUIRK_EDGE_IRQ, | 
|  | }; | 
|  |  | 
|  | static __init int da850_wl12xx_init(void) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_wl12xx_pins); | 
|  | if (ret) { | 
|  | pr_err("wl12xx/mmc mux setup failed: %d\n", ret); | 
|  | goto exit; | 
|  | } | 
|  |  | 
|  | ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config); | 
|  | if (ret) { | 
|  | pr_err("wl12xx/mmc registration failed: %d\n", ret); | 
|  | goto exit; | 
|  | } | 
|  |  | 
|  | ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en"); | 
|  | if (ret) { | 
|  | pr_err("Could not request wl12xx enable gpio: %d\n", ret); | 
|  | goto exit; | 
|  | } | 
|  |  | 
|  | ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq"); | 
|  | if (ret) { | 
|  | pr_err("Could not request wl12xx irq gpio: %d\n", ret); | 
|  | goto free_wlan_en; | 
|  | } | 
|  |  | 
|  | da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ); | 
|  |  | 
|  | ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data); | 
|  | if (ret) { | 
|  | pr_err("Could not set wl12xx data: %d\n", ret); | 
|  | goto free_wlan_irq; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | free_wlan_irq: | 
|  | gpio_free(DA850_WLAN_IRQ); | 
|  |  | 
|  | free_wlan_en: | 
|  | gpio_free(DA850_WLAN_EN); | 
|  |  | 
|  | exit: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | #else /* CONFIG_DA850_WL12XX */ | 
|  |  | 
|  | static __init int da850_wl12xx_init(void) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #endif /* CONFIG_DA850_WL12XX */ | 
|  |  | 
|  | #define DA850EVM_SATA_REFCLKPN_RATE	(100 * 1000 * 1000) | 
|  |  | 
|  | 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 = da850_register_edma(da850_edma_rsv); | 
|  | 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_evm_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); | 
|  |  | 
|  | ret = da850_wl12xx_init(); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: wl12xx initialization" | 
|  | " 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_evm_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_evm_init_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); | 
|  |  | 
|  | ret = da8xx_register_spi(1, da850evm_spi_info, | 
|  | ARRAY_SIZE(da850evm_spi_info)); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: spi 1 registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE); | 
|  | if (ret) | 
|  | pr_warning("da850_evm_init: sata registration failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | da850_evm_setup_mac_addr(); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_SERIAL_8250_CONSOLE | 
|  | static int __init da850_evm_console_init(void) | 
|  | { | 
|  | if (!machine_is_davinci_da850_evm()) | 
|  | return 0; | 
|  |  | 
|  | 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/AM18x EVM") | 
|  | .atag_offset	= 0x100, | 
|  | .map_io		= da850_evm_map_io, | 
|  | .init_irq	= cp_intc_init, | 
|  | .timer		= &davinci_timer, | 
|  | .init_machine	= da850_evm_init, | 
|  | .init_late	= davinci_init_late, | 
|  | .dma_zone_size	= SZ_128M, | 
|  | .restart	= da8xx_restart, | 
|  | MACHINE_END |