|  | /* | 
|  | * TI DA850/OMAP-L138 EVM board | 
|  | * | 
|  | * Copyright (C) 2009 Texas Instruments Incorporated - https://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/console.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/gpio_keys.h> | 
|  | #include <linux/gpio/machine.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/leds.h> | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/platform_data/pca953x.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/input/tps6507x-ts.h> | 
|  | #include <linux/mfd/tps6507x.h> | 
|  | #include <linux/mtd/mtd.h> | 
|  | #include <linux/mtd/rawnand.h> | 
|  | #include <linux/mtd/partitions.h> | 
|  | #include <linux/nvmem-provider.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/platform_data/gpio-davinci.h> | 
|  | #include <linux/platform_data/mtd-davinci.h> | 
|  | #include <linux/platform_data/mtd-davinci-aemif.h> | 
|  | #include <linux/platform_data/ti-aemif.h> | 
|  | #include <linux/platform_data/spi-davinci.h> | 
|  | #include <linux/platform_data/uio_pruss.h> | 
|  | #include <linux/property.h> | 
|  | #include <linux/regulator/machine.h> | 
|  | #include <linux/regulator/tps6507x.h> | 
|  | #include <linux/regulator/fixed.h> | 
|  | #include <linux/spi/spi.h> | 
|  | #include <linux/spi/flash.h> | 
|  |  | 
|  | #include <mach/common.h> | 
|  | #include <mach/da8xx.h> | 
|  | #include <mach/mux.h> | 
|  |  | 
|  | #include "irqs.h" | 
|  | #include "sram.h" | 
|  |  | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/system_info.h> | 
|  |  | 
|  | #include <media/i2c/tvp514x.h> | 
|  | #include <media/i2c/adv7343.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_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 nvmem_cell_info da850evm_nvmem_cells[] = { | 
|  | { | 
|  | .name		= "macaddr", | 
|  | .offset		= 0x0, | 
|  | .bytes		= ETH_ALEN, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct nvmem_cell_table da850evm_nvmem_cell_table = { | 
|  | /* | 
|  | * The nvmem name differs from the partition name because of the | 
|  | * internal works of the nvmem framework. | 
|  | */ | 
|  | .nvmem_name	= "MAC-Address0", | 
|  | .cells		= da850evm_nvmem_cells, | 
|  | .ncells		= ARRAY_SIZE(da850evm_nvmem_cells), | 
|  | }; | 
|  |  | 
|  | static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = { | 
|  | .nvmem_name	= "MAC-Address0", | 
|  | .cell_name	= "macaddr", | 
|  | .dev_id		= "davinci_emac.1", | 
|  | .con_id		= "mac-address", | 
|  | }; | 
|  |  | 
|  | 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, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | 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, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* 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 = { | 
|  | .core_chipsel	= 1, | 
|  | .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 resource da850_evm_aemif_resource[] = { | 
|  | { | 
|  | .start	= DA8XX_AEMIF_CTL_BASE, | 
|  | .end	= DA8XX_AEMIF_CTL_BASE + SZ_32K, | 
|  | .flags	= IORESOURCE_MEM, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct aemif_abus_data da850_evm_aemif_abus_data[] = { | 
|  | { | 
|  | .cs	= 3, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_aemif_devices[] = { | 
|  | { | 
|  | .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, | 
|  | }, | 
|  | { | 
|  | .name		= "physmap-flash", | 
|  | .id		= 0, | 
|  | .dev		= { | 
|  | .platform_data  = &da850_evm_norflash_data, | 
|  | }, | 
|  | .num_resources	= 1, | 
|  | .resource	= da850_evm_norflash_resource, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct aemif_platform_data da850_evm_aemif_pdata = { | 
|  | .cs_offset = 2, | 
|  | .abus_data = da850_evm_aemif_abus_data, | 
|  | .num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data), | 
|  | .sub_devices = da850_evm_aemif_devices, | 
|  | .num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices), | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_aemif_device = { | 
|  | .name		= "ti-aemif", | 
|  | .id		= -1, | 
|  | .dev = { | 
|  | .platform_data	= &da850_evm_aemif_pdata, | 
|  | }, | 
|  | .resource	= da850_evm_aemif_resource, | 
|  | .num_resources	= ARRAY_SIZE(da850_evm_aemif_resource), | 
|  | }; | 
|  |  | 
|  | 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 | 
|  | }; | 
|  |  | 
|  | #define HAS_MMC		IS_ENABLED(CONFIG_MMC_DAVINCI) | 
|  |  | 
|  | 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_warn("%s: NAND mux setup failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_evm_nor_pins); | 
|  | if (ret) | 
|  | pr_warn("%s: NOR mux setup failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | ret = platform_device_register(&da850_evm_aemif_device); | 
|  | if (ret) | 
|  | pr_warn("%s: registering aemif failed: %d\n", | 
|  | __func__, ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | #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 = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i]; | 
|  | button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i; | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT | 
|  | static inline void da850_evm_setup_video_port(int video_sel) | 
|  | { | 
|  | gpio_set_value_cansleep(video_sel, 0); | 
|  | } | 
|  | #else | 
|  | static inline void da850_evm_setup_video_port(int video_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 + 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_warn("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_warn("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_warn("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_warn("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); | 
|  |  | 
|  | da850_evm_setup_video_port(sel_c); | 
|  |  | 
|  | 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 = 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 = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i]; | 
|  | button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i; | 
|  | } | 
|  | } | 
|  |  | 
|  | static struct gpio_led da850_evm_bb_leds[] = { | 
|  | { | 
|  | .name = "user_led2", | 
|  | }, | 
|  | { | 
|  | .name = "user_led1", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | 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 gpiod_lookup_table da850_evm_bb_leds_gpio_table = { | 
|  | .dev_id = "leds-gpio", | 
|  | .table = { | 
|  | GPIO_LOOKUP_IDX("i2c-bb-expander", | 
|  | DA850_EVM_BB_EXP_USER_LED2, NULL, | 
|  | 0, GPIO_ACTIVE_LOW), | 
|  | GPIO_LOOKUP_IDX("i2c-bb-expander", | 
|  | DA850_EVM_BB_EXP_USER_LED2 + 1, NULL, | 
|  | 1, GPIO_ACTIVE_LOW), | 
|  |  | 
|  | { }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_evm_bb_leds_device = { | 
|  | .name		= "leds-gpio", | 
|  | .id		= -1, | 
|  | .dev = { | 
|  | .platform_data = &da850_evm_bb_leds_pdata | 
|  | } | 
|  | }; | 
|  |  | 
|  | 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_warn("Could not register baseboard GPIO expander keys"); | 
|  | goto io_exp_setup_sw_fail; | 
|  | } | 
|  |  | 
|  | gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table); | 
|  | ret = platform_device_register(&da850_evm_bb_leds_device); | 
|  | if (ret) { | 
|  | pr_warn("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), | 
|  | .dev_name = "ui-expander", | 
|  | .platform_data = &da850_evm_ui_expander_info, | 
|  | }, | 
|  | { | 
|  | I2C_BOARD_INFO("tca6416", 0x21), | 
|  | .dev_name = "bb-expander", | 
|  | .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 */ | 
|  | }; | 
|  |  | 
|  | /* 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, | 
|  | .ram_chan_q		= EVENTQ_1, | 
|  | .version		= MCASP_VERSION_2, | 
|  | .txnumevt		= 1, | 
|  | .rxnumevt		= 1, | 
|  | .sram_size_playback	= SZ_8K, | 
|  | .sram_size_capture	= SZ_8K, | 
|  | }; | 
|  |  | 
|  | 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 | 
|  | }; | 
|  |  | 
|  | #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0) | 
|  | #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1) | 
|  |  | 
|  | static struct gpiod_lookup_table mmc_gpios_table = { | 
|  | .dev_id = "da830-mmc.0", | 
|  | .table = { | 
|  | /* gpio chip 2 contains gpio range 64-95 */ | 
|  | GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd", | 
|  | GPIO_ACTIVE_LOW), | 
|  | GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp", | 
|  | GPIO_ACTIVE_HIGH), | 
|  | { } | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct davinci_mmc_config da850_mmc_config = { | 
|  | .wires		= 4, | 
|  | .max_freq	= 50000000, | 
|  | .caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | 
|  | }; | 
|  |  | 
|  | 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 struct property_entry da850_lcd_backlight_props[] = { | 
|  | PROPERTY_ENTRY_BOOL("default-on"), | 
|  | { } | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = { | 
|  | .dev_id		= "gpio-backlight", | 
|  | .table = { | 
|  | GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0), | 
|  | { } | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct platform_device_info da850_lcd_backlight_info = { | 
|  | .name		= "gpio-backlight", | 
|  | .id		= PLATFORM_DEVID_NONE, | 
|  | .properties	= da850_lcd_backlight_props, | 
|  | }; | 
|  |  | 
|  | static struct regulator_consumer_supply da850_lcd_supplies[] = { | 
|  | REGULATOR_SUPPLY("lcd", NULL), | 
|  | }; | 
|  |  | 
|  | static struct regulator_init_data da850_lcd_supply_data = { | 
|  | .consumer_supplies	= da850_lcd_supplies, | 
|  | .num_consumer_supplies	= ARRAY_SIZE(da850_lcd_supplies), | 
|  | .constraints    = { | 
|  | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct fixed_voltage_config da850_lcd_supply = { | 
|  | .supply_name		= "lcd", | 
|  | .microvolts		= 33000000, | 
|  | .init_data		= &da850_lcd_supply_data, | 
|  | }; | 
|  |  | 
|  | static struct platform_device da850_lcd_supply_device = { | 
|  | .name			= "reg-fixed-voltage", | 
|  | .id			= 1, /* Dummy fixed regulator is 0 */ | 
|  | .dev			= { | 
|  | .platform_data = &da850_lcd_supply, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table da850_lcd_supply_gpio_table = { | 
|  | .dev_id			= "reg-fixed-voltage.1", | 
|  | .table = { | 
|  | GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0), | 
|  | { } | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = { | 
|  | &da850_lcd_backlight_gpio_table, | 
|  | &da850_lcd_supply_gpio_table, | 
|  | }; | 
|  |  | 
|  | static int da850_lcd_hw_init(void) | 
|  | { | 
|  | struct platform_device *backlight; | 
|  | int status; | 
|  |  | 
|  | gpiod_add_lookup_tables(da850_lcd_gpio_lookups, | 
|  | ARRAY_SIZE(da850_lcd_gpio_lookups)); | 
|  |  | 
|  | backlight = platform_device_register_full(&da850_lcd_backlight_info); | 
|  | if (IS_ERR(backlight)) | 
|  | return PTR_ERR(backlight); | 
|  |  | 
|  | status = platform_device_register(&da850_lcd_supply_device); | 
|  | if (status) | 
|  | return status; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Fixed regulator support */ | 
|  | static struct regulator_consumer_supply fixed_supplies[] = { | 
|  | /* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */ | 
|  | REGULATOR_SUPPLY("AVDD", "1-0018"), | 
|  | REGULATOR_SUPPLY("DRVDD", "1-0018"), | 
|  |  | 
|  | /* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */ | 
|  | REGULATOR_SUPPLY("DVDD", "1-0018"), | 
|  |  | 
|  | /* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */ | 
|  | REGULATOR_SUPPLY("vcc", "1-0020"), | 
|  | }; | 
|  |  | 
|  | /* 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", | 
|  | }, | 
|  | REGULATOR_SUPPLY("IOVDD", "1-0018"), | 
|  | }; | 
|  |  | 
|  | /* 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, | 
|  | .always_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 */ | 
|  | .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 struct gpiod_hog da850_evm_emac_gpio_hogs[] = { | 
|  | { | 
|  | .chip_label	= "davinci_gpio", | 
|  | .chip_hwnum	= DA850_MII_MDIO_CLKEN_PIN, | 
|  | .line_name	= "mdio_clk_en", | 
|  | .lflags		= 0, | 
|  | /* dflags set in da850_evm_config_emac() */ | 
|  | }, | 
|  | { } | 
|  | }; | 
|  |  | 
|  | 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_warn("%s: CPGMAC/RMII mux setup failed: %d\n", | 
|  | __func__, 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_warn("%s:GPIO(2,6) mux setup failed\n", __func__); | 
|  |  | 
|  | da850_evm_emac_gpio_hogs[0].dflags = rmii_en ? GPIOD_OUT_HIGH | 
|  | : GPIOD_OUT_LOW; | 
|  | gpiod_add_hogs(da850_evm_emac_gpio_hogs); | 
|  |  | 
|  | soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID; | 
|  |  | 
|  | ret = da8xx_register_emac(); | 
|  | if (ret) | 
|  | pr_warn("%s: EMAC registration failed: %d\n", __func__, 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 | 
|  |  | 
|  | #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT) | 
|  |  | 
|  | #define TVP5147_CH0		"tvp514x-0" | 
|  | #define TVP5147_CH1		"tvp514x-1" | 
|  |  | 
|  | /* VPIF capture configuration */ | 
|  | static struct tvp514x_platform_data tvp5146_pdata = { | 
|  | .clk_polarity = 0, | 
|  | .hs_polarity  = 1, | 
|  | .vs_polarity  = 1, | 
|  | }; | 
|  |  | 
|  | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | 
|  |  | 
|  | static struct vpif_input da850_ch0_inputs[] = { | 
|  | { | 
|  | .input = { | 
|  | .index = 0, | 
|  | .name  = "Composite", | 
|  | .type  = V4L2_INPUT_TYPE_CAMERA, | 
|  | .capabilities = V4L2_IN_CAP_STD, | 
|  | .std   = TVP514X_STD_ALL, | 
|  | }, | 
|  | .input_route = INPUT_CVBS_VI2B, | 
|  | .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, | 
|  | .subdev_name = TVP5147_CH0, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct vpif_input da850_ch1_inputs[] = { | 
|  | { | 
|  | .input = { | 
|  | .index = 0, | 
|  | .name  = "S-Video", | 
|  | .type  = V4L2_INPUT_TYPE_CAMERA, | 
|  | .capabilities = V4L2_IN_CAP_STD, | 
|  | .std   = TVP514X_STD_ALL, | 
|  | }, | 
|  | .input_route = INPUT_SVIDEO_VI2C_VI1C, | 
|  | .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, | 
|  | .subdev_name = TVP5147_CH1, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = { | 
|  | { | 
|  | .name = TVP5147_CH0, | 
|  | .board_info = { | 
|  | I2C_BOARD_INFO("tvp5146", 0x5d), | 
|  | .platform_data = &tvp5146_pdata, | 
|  | }, | 
|  | }, | 
|  | { | 
|  | .name = TVP5147_CH1, | 
|  | .board_info = { | 
|  | I2C_BOARD_INFO("tvp5146", 0x5c), | 
|  | .platform_data = &tvp5146_pdata, | 
|  | }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct vpif_capture_config da850_vpif_capture_config = { | 
|  | .subdev_info = da850_vpif_capture_sdev_info, | 
|  | .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info), | 
|  | .i2c_adapter_id = 1, | 
|  | .chan_config[0] = { | 
|  | .inputs = da850_ch0_inputs, | 
|  | .input_count = ARRAY_SIZE(da850_ch0_inputs), | 
|  | .vpif_if = { | 
|  | .if_type = VPIF_IF_BT656, | 
|  | .hd_pol  = 1, | 
|  | .vd_pol  = 1, | 
|  | .fid_pol = 0, | 
|  | }, | 
|  | }, | 
|  | .chan_config[1] = { | 
|  | .inputs = da850_ch1_inputs, | 
|  | .input_count = ARRAY_SIZE(da850_ch1_inputs), | 
|  | .vpif_if = { | 
|  | .if_type = VPIF_IF_BT656, | 
|  | .hd_pol  = 1, | 
|  | .vd_pol  = 1, | 
|  | .fid_pol = 0, | 
|  | }, | 
|  | }, | 
|  | .card_name = "DA850/OMAP-L138 Video Capture", | 
|  | }; | 
|  |  | 
|  | /* VPIF display configuration */ | 
|  |  | 
|  | static struct adv7343_platform_data adv7343_pdata = { | 
|  | .mode_config = { | 
|  | .dac = { 1, 1, 1 }, | 
|  | }, | 
|  | .sd_config = { | 
|  | .sd_dac_out = { 1 }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct vpif_subdev_info da850_vpif_subdev[] = { | 
|  | { | 
|  | .name = "adv7343", | 
|  | .board_info = { | 
|  | I2C_BOARD_INFO("adv7343", 0x2a), | 
|  | .platform_data = &adv7343_pdata, | 
|  | }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct vpif_output da850_ch0_outputs[] = { | 
|  | { | 
|  | .output = { | 
|  | .index = 0, | 
|  | .name = "Composite", | 
|  | .type = V4L2_OUTPUT_TYPE_ANALOG, | 
|  | .capabilities = V4L2_OUT_CAP_STD, | 
|  | .std = V4L2_STD_ALL, | 
|  | }, | 
|  | .subdev_name = "adv7343", | 
|  | .output_route = ADV7343_COMPOSITE_ID, | 
|  | }, | 
|  | { | 
|  | .output = { | 
|  | .index = 1, | 
|  | .name = "S-Video", | 
|  | .type = V4L2_OUTPUT_TYPE_ANALOG, | 
|  | .capabilities = V4L2_OUT_CAP_STD, | 
|  | .std = V4L2_STD_ALL, | 
|  | }, | 
|  | .subdev_name = "adv7343", | 
|  | .output_route = ADV7343_SVIDEO_ID, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct vpif_display_config da850_vpif_display_config = { | 
|  | .subdevinfo   = da850_vpif_subdev, | 
|  | .subdev_count = ARRAY_SIZE(da850_vpif_subdev), | 
|  | .chan_config[0] = { | 
|  | .outputs = da850_ch0_outputs, | 
|  | .output_count = ARRAY_SIZE(da850_ch0_outputs), | 
|  | }, | 
|  | .card_name    = "DA850/OMAP-L138 Video Display", | 
|  | .i2c_adapter_id = 1, | 
|  | }; | 
|  |  | 
|  | static __init void da850_vpif_init(void) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = da850_register_vpif(); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_vpif_capture_pins); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da850_register_vpif_capture(&da850_vpif_capture_config); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_vpif_display_pins); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | ret = da850_register_vpif_display(&da850_vpif_display_config); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret); | 
|  | } | 
|  |  | 
|  | #else | 
|  | static __init void da850_vpif_init(void) {} | 
|  | #endif | 
|  |  | 
|  | #define DA850EVM_SATA_REFCLKPN_RATE	(100 * 1000 * 1000) | 
|  |  | 
|  | static __init void da850_evm_init(void) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | da850_register_clocks(); | 
|  |  | 
|  | ret = da850_register_gpio(); | 
|  | if (ret) | 
|  | pr_warn("%s: GPIO init failed: %d\n", __func__, ret); | 
|  |  | 
|  | regulator_register_fixed(0, fixed_supplies, ARRAY_SIZE(fixed_supplies)); | 
|  |  | 
|  | ret = pmic_tps65070_init(); | 
|  | if (ret) | 
|  | pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da850_register_edma(da850_edma_rsv); | 
|  | if (ret) | 
|  | pr_warn("%s: EDMA registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_i2c0_pins); | 
|  | if (ret) | 
|  | pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); | 
|  | if (ret) | 
|  | pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret); | 
|  |  | 
|  |  | 
|  | ret = da8xx_register_watchdog(); | 
|  | if (ret) | 
|  | pr_warn("%s: watchdog registration failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | if (HAS_MMC) { | 
|  | ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins); | 
|  | if (ret) | 
|  | pr_warn("%s: MMCSD0 mux setup failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | gpiod_add_lookup_table(&mmc_gpios_table); | 
|  |  | 
|  | ret = da8xx_register_mmcsd0(&da850_mmc_config); | 
|  | if (ret) | 
|  | pr_warn("%s: MMCSD0 registration failed: %d\n", | 
|  | __func__, ret); | 
|  | } | 
|  |  | 
|  | davinci_serial_init(da8xx_serial_device); | 
|  |  | 
|  | nvmem_add_cell_table(&da850evm_nvmem_cell_table); | 
|  | nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1); | 
|  |  | 
|  | 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_warn("%s: McASP mux setup failed: %d\n", __func__, ret); | 
|  |  | 
|  | da850_evm_snd_data.sram_pool = sram_get_gen_pool(); | 
|  | da8xx_register_mcasp(0, &da850_evm_snd_data); | 
|  |  | 
|  | ret = davinci_cfg_reg_list(da850_lcdcntl_pins); | 
|  | if (ret) | 
|  | pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_uio_pruss(); | 
|  | if (ret) | 
|  | pr_warn("da850_evm_init: pruss initialization failed: %d\n", | 
|  | ret); | 
|  |  | 
|  | /* Handle board specific muxing for LCD here */ | 
|  | ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); | 
|  | if (ret) | 
|  | pr_warn("%s: EVM specific LCD mux setup failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | ret = da850_lcd_hw_init(); | 
|  | if (ret) | 
|  | pr_warn("%s: LCD initialization failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata); | 
|  | if (ret) | 
|  | pr_warn("%s: LCDC registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_rtc(); | 
|  | if (ret) | 
|  | pr_warn("%s: RTC setup failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da850_evm_init_cpufreq(); | 
|  | if (ret) | 
|  | pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_cpuidle(); | 
|  | if (ret) | 
|  | pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | davinci_pm_init(); | 
|  | da850_vpif_init(); | 
|  |  | 
|  | ret = spi_register_board_info(da850evm_spi_info, | 
|  | ARRAY_SIZE(da850evm_spi_info)); | 
|  | if (ret) | 
|  | pr_warn("%s: spi info registration failed: %d\n", __func__, | 
|  | ret); | 
|  |  | 
|  | ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info)); | 
|  | if (ret) | 
|  | pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE); | 
|  | if (ret) | 
|  | pr_warn("%s: SATA registration failed: %d\n", __func__, ret); | 
|  |  | 
|  | ret = da8xx_register_rproc(); | 
|  | if (ret) | 
|  | pr_warn("%s: dsp/rproc registration failed: %d\n", | 
|  | __func__, ret); | 
|  |  | 
|  | regulator_has_full_constraints(); | 
|  | } | 
|  |  | 
|  | #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	= da850_init_irq, | 
|  | .init_time	= da850_init_time, | 
|  | .init_machine	= da850_evm_init, | 
|  | .init_late	= davinci_init_late, | 
|  | .dma_zone_size	= SZ_128M, | 
|  | .reserve	= da8xx_rproc_reserve_cma, | 
|  | MACHINE_END |