/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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) #define DA850_SD_ENABLE_PIN GPIO_TO_PIN(0, 11) #define DAVINCI_BACKLIGHT_MAX_BRIGHTNESS 250 #define DAVINVI_BACKLIGHT_DEFAULT_BRIGHTNESS 250 #define DAVINCI_PWM_PERIOD_NANO_SECONDS 10000000 static struct platform_pwm_backlight_data da850evm_backlight_data = { .max_brightness = DAVINCI_BACKLIGHT_MAX_BRIGHTNESS, .dft_brightness = DAVINVI_BACKLIGHT_DEFAULT_BRIGHTNESS, .pwm_period_ns = DAVINCI_PWM_PERIOD_NANO_SECONDS, }; static struct platform_device da850evm_backlight = { .name = "pwm-backlight", .id = -1, }; 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, }, }; #define TVP5147_CH0 "tvp514x-0" #define TVP5147_CH1 "tvp514x-1" #define VPIF_STATUS 0x002c #define VPIF_STATUS_CLR 0x0030 #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_4M, .mask_flags = 0, }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, }, }; static struct davinci_aemif_timing da850_evm_norflash_timing = { .wsetup = 10, .wstrobe = 60, .whold = 10, .rsetup = 10, .rstrobe = 110, .rhold = 10, .ta = 30, }; static struct physmap_flash_data da850_evm_norflash_data = { .width = 2, .parts = da850_evm_norflash_partition, .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition), .timing = &da850_evm_norflash_timing, }; 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 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 = MTDPART_OFS_APPEND, .size = SZ_4M, .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_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, }, #if !defined(CONFIG_MMC_DAVINCI) || \ !defined(CONFIG_MMC_DAVINCI_MODULE) { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &da850_evm_norflash_data, }, .num_resources = 1, .resource = da850_evm_norflash_resource, }, #endif }; static struct davinci_aemif_devices da850_emif_devices = { .devices = da850_evm_devices, .num_devices = ARRAY_SIZE(da850_evm_devices), }; static struct platform_device davinci_emif_device = { .name = "davinci_aemif", .id = -1, .dev = { .platform_data = &da850_emif_devices, }, }; #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 #if defined(CONFIG_SPI_DAVINCI) #define HAS_SPI 1 #else #define HAS_SPI 0 #endif #if defined(CONFIG_FB_DA8XX) #define HAS_LCD 1 #else #define HAS_LCD 0 #endif #if defined(CONFIG_SND_DA850_SOC_EVM) || \ defined(CONFIG_SND_DA850_SOC_EVM_MODULE) #define HAS_MCASP 1 #else #define HAS_MCASP 0 #endif #if defined(CONFIG_DAVINCI_EHRPWM) || defined(CONFIG_DAVINCI_EHRPWM_MODULE) #define HAS_EHRPWM 1 #else #define HAS_EHRPWM 0 #endif #if defined(CONFIG_ECAP_PWM) || \ defined(CONFIG_ECAP_PWM_MODULE) #define HAS_ECAP_PWM 1 #else #define HAS_ECAP_PWM 0 #endif #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) #define HAS_BACKLIGHT 1 #else #define HAS_BACKLIGHT 0 #endif #if defined(CONFIG_ECAP_CAP) || defined(CONFIG_ECAP_CAP_MODULE) #define HAS_ECAP_CAP 1 #else #define HAS_ECAP_CAP 0 #endif /* have_imager() - Check if we have support for imager interface */ static inline int have_imager(void) { #if defined(CONFIG_DA850_UI_CAMERA) return 1; #else return 0; #endif } static inline void da850_evm_setup_nor_nand(void) { int ret = 0; ret = davinci_cfg_reg_list(da850_evm_nand_pins); if (ret) pr_warning("da850_evm_init: nand mux setup failed: " "%d\n", ret); if (!HAS_MMC) { ret = davinci_cfg_reg(DA850_GPIO0_11); if (ret) pr_warning("da850_evm_init:GPIO(0,11) mux setup " "failed\n"); ret = gpio_request(DA850_SD_ENABLE_PIN, "mmc_sd_en"); if (ret) pr_warning("Cannot open GPIO %d\n", DA850_SD_ENABLE_PIN); /* Driver GP0[11] low for NOR to work */ gpio_direction_output(DA850_SD_ENABLE_PIN, 0); 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(); } else { /* * On Logic PD Rev.3 EVMs GP0[11] pin needs to be configured * for MMC and NOR to work. When GP0[11] is low, the SD0 * interface will not work, but NOR flash will. When GP0[11] * is high, SD0 will work but NOR flash will not. By default * we are assuming that GP0[11] pin is driven high, when UI * card is not connected. Hence we are not configuring the * GP0[11] pin when MMC/SD is enabled and UI card is not * connected. Not configuring the GPIO pin will enable the * bluetooth to work on AM18x as it requires the GP0[11] * pin for UART flow control. */ ret = davinci_cfg_reg(DA850_GPIO0_11); if (ret) pr_warning("da850_evm_init:GPIO(0,11) mux setup " "failed\n"); ret = gpio_request(DA850_SD_ENABLE_PIN, "mmc_sd_en"); if (ret) pr_warning("Cannot open GPIO %d\n", DA850_SD_ENABLE_PIN); /* Driver GP0[11] high for SD to work */ gpio_direction_output(DA850_SD_ENABLE_PIN, 1); } platform_device_register(&davinci_emif_device); } #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; } } #ifdef CONFIG_DA850_UI_CLCD static inline void da850_evm_setup_char_lcd(int a, int b, int c) { gpio_set_value_cansleep(a, 0); gpio_set_value_cansleep(b, 0); gpio_set_value_cansleep(c, 0); } #else static inline void da850_evm_setup_char_lcd(int a, int b, int c) { } #endif #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 #ifdef CONFIG_DA850_UI_CAMERA static inline void da850_evm_setup_camera(int camera_sel) { gpio_set_value_cansleep(camera_sel, 0); } #else static inline void da850_evm_setup_camera(int camera_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_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); da850_evm_setup_char_lcd(sel_a, sel_b, sel_c); da850_evm_setup_video_port(sel_c); da850_evm_setup_camera(sel_b); 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, }, { I2C_BOARD_INFO("cdce913", 0x65), }, { I2C_BOARD_INFO("PCA9543A", 0x73), }, }; /* * USB1 VBUS is controlled by GPIO2[4], over-current is reported on GPIO6[13]. */ #define ON_BD_USB_DRV GPIO_TO_PIN(2, 4) #define ON_BD_USB_OVC GPIO_TO_PIN(6, 13) static const short da850_evm_usb11_pins[] = { DA850_GPIO2_4, DA850_GPIO6_13, -1 }; static irqreturn_t da850_evm_usb_ocic_irq(int, void *); static struct da8xx_ohci_root_hub da850_evm_usb11_pdata = { .type = GPIO_BASED, .method = { .gpio_method = { .power_control_pin = ON_BD_USB_DRV, .over_current_indicator = ON_BD_USB_OVC, }, }, .board_ocic_handler = da850_evm_usb_ocic_irq, }; static irqreturn_t da850_evm_usb_ocic_irq(int irq, void *handler) { if (handler != NULL) ((da8xx_ocic_handler_t)handler)(&da850_evm_usb11_pdata, 1); return IRQ_HANDLED; } static __init void da850_evm_usb_init(void) { u32 cfgchip2; int ret; /* * Set up USB clock/mode in the CFGCHIP2 register. * FYI: CFGCHIP2 is 0x0000ef00 initially. */ cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); /* USB2.0 PHY reference clock is 24 MHz */ cfgchip2 &= ~CFGCHIP2_REFFREQ; cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; /* * Select internal reference clock for USB 2.0 PHY * and use it as a clock source for USB 1.1 PHY * (this is the default setting anyway). */ cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX; cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX; /* * We have to override VBUS/ID signals when MUSB is configured into the * host-only mode -- ID pin will float if no cable is connected, so the * controller won't be able to drive VBUS thinking that it's a B-device. * Otherwise, we want to use the OTG mode and enable VBUS comparators. */ cfgchip2 &= ~CFGCHIP2_OTGMODE; cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN; __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); /* * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A), * with the power on to power good time of 3 ms. */ ret = da8xx_register_usb20(1000, 3); if (ret) pr_warning("%s: USB 2.0 registration failed: %d\n", __func__, ret); /* initilaize usb module */ da8xx_board_usb_init(da850_evm_usb11_pins, &da850_evm_usb11_pdata); } 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_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 power */ gpio_set_value_cansleep(DA850_LCD_PWR_PIN, val); mdelay(200); /* lcd backlight */ gpio_set_value_cansleep(DA850_LCD_BL_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); 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 struct i2c_client *pca9543a; static int pca9543a_probe(struct i2c_client *client, const struct i2c_device_id *id) { pr_info("pca9543a_probe"); pca9543a = client; return 0; } static int pca9543a_remove(struct i2c_client *client) { pca9543a = NULL; return 0; } static const struct i2c_device_id pca9543a_ids[] = { { "PCA9543A", 0, }, { /* end of list */ }, }; /* This is for i2c driver for the MT9T031 header i2c switch */ static struct i2c_driver pca9543a_driver = { .driver.name = "PCA9543A", .id_table = pca9543a_ids, .probe = pca9543a_probe, .remove = pca9543a_remove, }; /** * da850_enable_pca9543a() - Enable/Disable I2C switch PCA9543A for sensor * @en: enable/disable flag */ static int da850_enable_pca9543a(int en) { static char val = 1; int status; struct i2c_msg msg = { .flags = 0, .len = 1, .buf = &val, }; pr_info("da850evm_enable_pca9543a\n"); if (!en) val = 0; if (!pca9543a) return -ENXIO; msg.addr = pca9543a->addr; /* turn i2c switch, pca9543a, on/off */ status = i2c_transfer(pca9543a->adapter, &msg, 1); pr_info("da850evm_enable_pca9543a, status = %d\n", status); return status; } 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); static const struct vpif_input da850_ch2_inputs[] = { { .input = { .index = 0, .name = "Camera", .type = V4L2_INPUT_TYPE_CAMERA, .std = V4L2_STD_BAYER_ALL }, .subdev_name = "mt9t031", }, }; /* * 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_DAVINCI_UART1_AFE) #define HAS_UART1_AFE 1 #else #define HAS_UART1_AFE 0 #endif /* Retaining these APIs, since the VPIF drivers do not check NULL handlers */ static int da850_set_vpif_clock(int mux_mode, int hd) { return 0; } static int da850_setup_vpif_input_channel_mode(int mux_mode) { return 0; } int da850_vpif_setup_input_path(int ch, const char *name) { int ret = 1; if (!strcmp(name, "mt9t031") && have_imager()) ret = da850_enable_pca9543a(1); return ret; } static int da850_vpif_intr_status(void __iomem *vpif_base, int channel) { int status = 0; int mask; if (channel < 0 || channel > 3) return 0; mask = 1 << channel; status = __raw_readl((vpif_base + VPIF_STATUS)) & mask; __raw_writel(status, (vpif_base + VPIF_STATUS_CLR)); return status; } #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT) /* VPIF capture configuration */ static struct tvp514x_platform_data tvp5146_pdata = { .clk_polarity = 0, .hs_polarity = 1, .vs_polarity = 1 }; #endif #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = { #if defined(CONFIG_DA850_UI_CAMERA) { .name = "mt9t031", .board_info = { I2C_BOARD_INFO("mt9t031", 0x5d), .platform_data = (void *)1, }, .vpif_if = { .if_type = VPIF_IF_RAW_BAYER, .hd_pol = 0, .vd_pol = 0, .fid_pol = 0, }, }, #elif defined(CONFIG_DA850_UI_SD_VIDEO_PORT) { .name = TVP5147_CH0, .board_info = { I2C_BOARD_INFO("tvp5146", 0x5d), .platform_data = &tvp5146_pdata, }, .input = INPUT_CVBS_VI2B, .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, .can_route = 1, .vpif_if = { .if_type = VPIF_IF_BT656, .hd_pol = 1, .vd_pol = 1, .fid_pol = 0, }, }, { .name = TVP5147_CH1, .board_info = { I2C_BOARD_INFO("tvp5146", 0x5c), .platform_data = &tvp5146_pdata, }, .input = INPUT_SVIDEO_VI2C_VI1C, .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, .can_route = 1, .vpif_if = { .if_type = VPIF_IF_BT656, .hd_pol = 1, .vd_pol = 1, .fid_pol = 0, }, }, #endif }; static const struct vpif_input da850_ch0_inputs[] = { { .input = { .index = 0, .name = "Composite", .type = V4L2_INPUT_TYPE_CAMERA, .std = TVP514X_STD_ALL, }, .subdev_name = TVP5147_CH0, }, }; static const struct vpif_input da850_ch1_inputs[] = { { .input = { .index = 0, .name = "S-Video", .type = V4L2_INPUT_TYPE_CAMERA, .std = TVP514X_STD_ALL, }, .subdev_name = TVP5147_CH1, }, }; static struct vpif_capture_config da850_vpif_capture_config = { .setup_input_channel_mode = da850_setup_vpif_input_channel_mode, .setup_input_path = da850_vpif_setup_input_path, .intr_status = da850_vpif_intr_status, .subdev_info = da850_vpif_capture_sdev_info, .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info), #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT) .chan_config[0] = { .inputs = da850_ch0_inputs, .input_count = ARRAY_SIZE(da850_ch0_inputs), }, .chan_config[1] = { .inputs = da850_ch1_inputs, .input_count = ARRAY_SIZE(da850_ch1_inputs), }, #elif defined(CONFIG_DA850_UI_CAMERA) .chan_config[0] = { .inputs = da850_ch2_inputs, .input_count = ARRAY_SIZE(da850_ch2_inputs), }, #endif .card_name = "DA850/OMAP-L138 Video Capture", }; /* VPIF display configuration */ static struct vpif_subdev_info da850_vpif_subdev[] = { { .name = "adv7343", .board_info = { I2C_BOARD_INFO("adv7343", 0x2a), }, }, }; static const char *vpif_output[] = { "Composite", "Component", "S-Video", }; static struct vpif_display_config da850_vpif_display_config = { .set_clock = da850_set_vpif_clock, .intr_status = da850_vpif_intr_status, .subdevinfo = da850_vpif_subdev, .subdev_count = ARRAY_SIZE(da850_vpif_subdev), .output = vpif_output, .output_count = ARRAY_SIZE(vpif_output), .card_name = "DA850/OMAP-L138 Video Display", }; #if defined(CONFIG_VIDEO_DAVINCI_VPIF_DISPLAY) ||\ defined(CONFIG_VIDEO_DAVINCI_VPIF_DISPLAY_MODULE) #define HAS_VPIF_DISPLAY 1 #else #define HAS_VPIF_DISPLAY 0 #endif #if defined(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) ||\ defined(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE_MODULE) #define HAS_VPIF_CAPTURE 1 #else #define HAS_VPIF_CAPTURE 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_cansleep(DA850_WLAN_EN, 1); usleep_range(15000, 15000); gpio_set_value_cansleep(DA850_WLAN_EN, 0); usleep_range(1000, 1000); gpio_set_value_cansleep(DA850_WLAN_EN, 1); msleep(70); } else { gpio_set_value_cansleep(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 */ static struct i2c_gpio_platform_data da850_gpio_i2c_pdata = { .sda_pin = GPIO_TO_PIN(1, 4), .scl_pin = GPIO_TO_PIN(1, 5), .udelay = 2, /* 250 KHz */ }; static struct platform_device da850_gpio_i2c = { .name = "i2c-gpio", .id = 1, .dev = { .platform_data = &da850_gpio_i2c_pdata, }, }; static __init int da850_set_emif_clk_rate(void) { struct clk *emif_clk; emif_clk = clk_get(NULL, "pll0_sysclk3"); if (WARN(IS_ERR(emif_clk), "Unable to get emif clock\n")) return PTR_ERR(emif_clk); return clk_set_rate(emif_clk, CONFIG_DA850_FIX_PLL0_SYSCLK3RATE); } struct uio_pruss_pdata da8xx_pruss_uio_pdata = { .pintc_base = 0x4000, }; #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) /* Titus Hack */ int gpio_init(void) { gpio_export(165, true); // OMAPL138 EVM board : GPIO 165 is the provided by GPIO expander gpio_direction_output(165, 1); //output mode gpio_get_value(165, 0); //In default LED will glow & try to switch OFF in user space return 0; } int gpio_init(void) { static __init void da850_evm_init(void) { int ret; char mask = 0; struct davinci_soc_info *soc_info = &davinci_soc_info; u8 rmii_en = soc_info->emac_pdata->rmii_en; ret = pmic_tps65070_init(); if (ret) pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n", ret); /* * Though bootloader takes care to set emif clock at allowed * possible rate. Kernel needs to reconfigure this rate to * support platforms requiring fixed emif clock rate. */ ret = da850_set_emif_clk_rate(); if (ret) pr_warning("da850_evm_init: Failed to set rate of pll0_sysclk3/emif clock: %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); platform_device_register(&da850_gpio_i2c); ret = da8xx_register_watchdog(); if (ret) pr_warning("da830_evm_init: watchdog registration failed: %d\n", ret); /* Support for UART 1 */ ret = davinci_cfg_reg_list(da850_uart1_pins); if (ret) pr_warning("da850_evm_init: UART 1 mux setup 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); if (have_imager()) i2c_add_driver(&pca9543a_driver); 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_UART0_BASE) + 0x30); if (HAS_MCASP) { if (HAS_UART1_AFE) pr_warning("WARNING: both McASP and UART1_AFE are " "enabled, but they share pins.\n" "\tDisable one of them.\n"); 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 = da8xx_register_pruss_uio(&da8xx_pruss_uio_pdata); if (ret) pr_warning("%s: pruss_uio initialization failed: %d\n", __func__, ret); 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); if (HAS_VPIF_DISPLAY || HAS_VPIF_CAPTURE) { ret = da850_register_vpif(); if (ret) pr_warning("da850_evm_init: VPIF setup failed: %d\n", ret); } if (HAS_VPIF_CAPTURE) { ret = davinci_cfg_reg_list(da850_vpif_capture_pins); if (ret) pr_warning("da850_evm_init: VPIF capture mux failed:" "%d\n", ret); ret = da850_register_vpif_capture(&da850_vpif_capture_config); if (ret) pr_warning("da850_evm_init: VPIF capture setup failed:" "%d\n", ret); } if (HAS_VPIF_DISPLAY) { ret = davinci_cfg_reg_list(da850_vpif_display_pins); if (ret) pr_warning("da850_evm_init : VPIF capture mux failed :" "%d\n", ret); ret = da850_register_vpif_display(&da850_vpif_display_config); if (ret) pr_warning("da850_evm_init: VPIF display setup 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(); da850_evm_usb_init(); if (HAS_EHRPWM) { if (rmii_en) { ret = davinci_cfg_reg_list(da850_ehrpwm0_pins); if (ret) pr_warning("da850_evm_init:" " ehrpwm0 mux setup failed: %d\n", ret); else mask = BIT(0) | BIT(1); } else { pr_warning("da850_evm_init:" " eHRPWM module 0 cannot be used" " since it is being used by MII interface\n"); mask = 0; } if (!HAS_LCD) { ret = davinci_cfg_reg_list(da850_ehrpwm1_pins); if (ret) pr_warning("da850_evm_init:" " eHRPWM module1 output A mux" " setup failed %d\n", ret); else mask = mask | BIT(2); } else { pr_warning("da850_evm_init:" " eHRPWM module1 outputA cannot be" " used since it is being used by LCD\n"); } if (!HAS_SPI) { ret = davinci_cfg_reg(DA850_EHRPWM1_B); if (ret) pr_warning("da850_evm_init:" " eHRPWM module1 outputB mux" " setup failed %d\n", ret); else mask = mask | BIT(3); } else { pr_warning("da850_evm_init:" " eHRPWM module1 outputB cannot be" " used since it is being used by spi1\n"); } da850_register_ehrpwm(mask); } if (HAS_ECAP_PWM) { ret = davinci_cfg_reg(DA850_ECAP2_APWM2); if (ret) pr_warning("da850_evm_init:ecap mux failed:" " %d\n", ret); ret = da850_register_ecap(2); if (ret) pr_warning("da850_evm_init:" " eCAP registration failed: %d\n", ret); } if (HAS_BACKLIGHT) { ret = da850_register_backlight(&da850evm_backlight, &da850evm_backlight_data); if (ret) pr_warning("da850_evm_init:" " backlight device registration" " failed: %d\n", ret); } if (HAS_ECAP_CAP) { if (HAS_MCASP) pr_warning("da850_evm_init:" "ecap module 1 cannot be used " "since it shares pins with McASP\n"); else { ret = davinci_cfg_reg(DA850_ECAP1_APWM1); if (ret) pr_warning("da850_evm_init:ecap mux failed:%d\n" , ret); else { ret = da850_register_ecap_cap(1); if (ret) pr_warning("da850_evm_init" "eCAP registration failed: %d\n", ret); } } } /* Titus Hack */ gpio_init(); } #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, .dma_zone_size = SZ_128M, .restart = da8xx_restart, MACHINE_END