/* * 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 #define DA850_EVM_PHY_ID "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_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6) static struct mtd_partition da850_evm_norflash_partition[] = { { .name = "bootloaders + env", .offset = 0, .size = SZ_512K, .mask_flags = MTD_WRITEABLE, }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = SZ_2M, .mask_flags = 0, }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, }, }; static struct physmap_flash_data da850_evm_norflash_data = { .width = 2, .parts = da850_evm_norflash_partition, .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition), }; static struct resource da850_evm_norflash_resource[] = { { .start = DA8XX_AEMIF_CS2_BASE, .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device da850_evm_norflash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &da850_evm_norflash_data, }, .num_resources = 1, .resource = da850_evm_norflash_resource, }; static struct davinci_pm_config da850_pm_pdata = { .sleepcount = 128, }; static struct platform_device da850_pm_device = { .name = "pm-davinci", .dev = { .platform_data = &da850_pm_pdata, }, .id = -1, }; /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash * (128K blocks). It may be used instead of the (default) SPI flash * to boot, using TI's tools to install the secondary boot loader * (UBL) and U-Boot. */ static struct mtd_partition da850_evm_nandflash_partition[] = { { .name = "u-boot env", .offset = 0, .size = SZ_128K, .mask_flags = MTD_WRITEABLE, }, { .name = "UBL", .offset = MTDPART_OFS_APPEND, .size = SZ_128K, .mask_flags = MTD_WRITEABLE, }, { .name = "u-boot", .offset = MTDPART_OFS_APPEND, .size = 4 * SZ_128K, .mask_flags = MTD_WRITEABLE, }, { .name = "kernel", .offset = 0x200000, .size = SZ_2M, .mask_flags = 0, }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, }, }; static struct davinci_aemif_timing da850_evm_nandflash_timing = { .wsetup = 24, .wstrobe = 21, .whold = 14, .rsetup = 19, .rstrobe = 50, .rhold = 0, .ta = 20, }; static struct davinci_nand_pdata da850_evm_nandflash_data = { .parts = da850_evm_nandflash_partition, .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition), .ecc_mode = NAND_ECC_HW, .ecc_bits = 4, .options = NAND_USE_FLASH_BBT, .timing = &da850_evm_nandflash_timing, }; static struct resource da850_evm_nandflash_resource[] = { { .start = DA8XX_AEMIF_CS3_BASE, .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .start = DA8XX_AEMIF_CTL_BASE, .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device da850_evm_nandflash_device = { .name = "davinci_nand", .id = 1, .dev = { .platform_data = &da850_evm_nandflash_data, }, .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource), .resource = da850_evm_nandflash_resource, }; static struct platform_device *da850_evm_devices[] __initdata = { &da850_evm_nandflash_device, &da850_evm_norflash_device, }; #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10 #define DA8XX_AEMIF_ASIZE_16BIT 0x1 static void __init da850_evm_init_nor(void) { void __iomem *aemif_addr; aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K); /* Configure data bus width of CS2 to 16 bit */ writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) | DA8XX_AEMIF_ASIZE_16BIT, aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET); iounmap(aemif_addr); } static 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 }; static u32 ui_card_detected; #if defined(CONFIG_MMC_DAVINCI) || \ defined(CONFIG_MMC_DAVINCI_MODULE) #define HAS_MMC 1 #else #define HAS_MMC 0 #endif static inline void da850_evm_setup_nor_nand(void) { int ret = 0; if (ui_card_detected & !HAS_MMC) { ret = davinci_cfg_reg_list(da850_evm_nand_pins); if (ret) pr_warning("da850_evm_init: nand mux setup failed: " "%d\n", ret); ret = davinci_cfg_reg_list(da850_evm_nor_pins); if (ret) pr_warning("da850_evm_init: nor mux setup failed: %d\n", ret); da850_evm_init_nor(); platform_add_devices(da850_evm_devices, ARRAY_SIZE(da850_evm_devices)); } } #ifdef CONFIG_DA850_UI_RMII static inline void da850_evm_setup_emac_rmii(int rmii_sel) { struct davinci_soc_info *soc_info = &davinci_soc_info; soc_info->emac_pdata->rmii_en = 1; gpio_set_value_cansleep(rmii_sel, 0); } #else static inline void da850_evm_setup_emac_rmii(int rmii_sel) { } #endif #define DA850_KEYS_DEBOUNCE_MS 10 /* * At 200ms polling interval it is possible to miss an * event by tapping very lightly on the push button but most * pushes do result in an event; longer intervals require the * user to hold the button whereas shorter intervals require * more CPU time for polling. */ #define DA850_GPIO_KEYS_POLL_MS 200 enum da850_evm_ui_exp_pins { DA850_EVM_UI_EXP_SEL_C = 5, DA850_EVM_UI_EXP_SEL_B, DA850_EVM_UI_EXP_SEL_A, DA850_EVM_UI_EXP_PB8, DA850_EVM_UI_EXP_PB7, DA850_EVM_UI_EXP_PB6, DA850_EVM_UI_EXP_PB5, DA850_EVM_UI_EXP_PB4, DA850_EVM_UI_EXP_PB3, DA850_EVM_UI_EXP_PB2, DA850_EVM_UI_EXP_PB1, }; static const char const *da850_evm_ui_exp[] = { [DA850_EVM_UI_EXP_SEL_C] = "sel_c", [DA850_EVM_UI_EXP_SEL_B] = "sel_b", [DA850_EVM_UI_EXP_SEL_A] = "sel_a", [DA850_EVM_UI_EXP_PB8] = "pb8", [DA850_EVM_UI_EXP_PB7] = "pb7", [DA850_EVM_UI_EXP_PB6] = "pb6", [DA850_EVM_UI_EXP_PB5] = "pb5", [DA850_EVM_UI_EXP_PB4] = "pb4", [DA850_EVM_UI_EXP_PB3] = "pb3", [DA850_EVM_UI_EXP_PB2] = "pb2", [DA850_EVM_UI_EXP_PB1] = "pb1", }; #define DA850_N_UI_PB 8 static struct gpio_keys_button da850_evm_ui_keys[] = { [0 ... DA850_N_UI_PB - 1] = { .type = EV_KEY, .active_low = 1, .wakeup = 0, .debounce_interval = DA850_KEYS_DEBOUNCE_MS, .code = -1, /* assigned at runtime */ .gpio = -1, /* assigned at runtime */ .desc = NULL, /* assigned at runtime */ }, }; static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = { .buttons = da850_evm_ui_keys, .nbuttons = ARRAY_SIZE(da850_evm_ui_keys), .poll_interval = DA850_GPIO_KEYS_POLL_MS, }; static struct platform_device da850_evm_ui_keys_device = { .name = "gpio-keys-polled", .id = 0, .dev = { .platform_data = &da850_evm_ui_keys_pdata }, }; static void da850_evm_ui_keys_init(unsigned gpio) { int i; struct gpio_keys_button *button; for (i = 0; i < DA850_N_UI_PB; i++) { button = &da850_evm_ui_keys[i]; button->code = KEY_F8 - i; button->desc = (char *) da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i]; button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i; } } static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *c) { int sel_a, sel_b, sel_c, ret; sel_a = gpio + DA850_EVM_UI_EXP_SEL_A; sel_b = gpio + DA850_EVM_UI_EXP_SEL_B; sel_c = gpio + DA850_EVM_UI_EXP_SEL_C; ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_a); goto exp_setup_sela_fail; } ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_b); goto exp_setup_selb_fail; } ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]); if (ret) { pr_warning("Cannot open UI expander pin %d\n", sel_c); goto exp_setup_selc_fail; } /* deselect all functionalities */ gpio_direction_output(sel_a, 1); gpio_direction_output(sel_b, 1); gpio_direction_output(sel_c, 1); da850_evm_ui_keys_init(gpio); ret = platform_device_register(&da850_evm_ui_keys_device); if (ret) { pr_warning("Could not register UI GPIO expander push-buttons"); goto exp_setup_keys_fail; } ui_card_detected = 1; pr_info("DA850/OMAP-L138 EVM UI card detected\n"); da850_evm_setup_nor_nand(); da850_evm_setup_emac_rmii(sel_a); return 0; exp_setup_keys_fail: gpio_free(sel_c); exp_setup_selc_fail: gpio_free(sel_b); exp_setup_selb_fail: gpio_free(sel_a); exp_setup_sela_fail: return ret; } static int da850_evm_ui_expander_teardown(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *c) { platform_device_unregister(&da850_evm_ui_keys_device); /* deselect all functionalities */ gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1); gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1); gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1); gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C); gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B); gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A); return 0; } /* assign the baseboard expander's GPIOs after the UI board's */ #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp) #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS) enum da850_evm_bb_exp_pins { DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0, DA850_EVM_BB_EXP_SW_RST, DA850_EVM_BB_EXP_TP_23, DA850_EVM_BB_EXP_TP_22, DA850_EVM_BB_EXP_TP_21, DA850_EVM_BB_EXP_USER_PB1, DA850_EVM_BB_EXP_USER_LED2, DA850_EVM_BB_EXP_USER_LED1, DA850_EVM_BB_EXP_USER_SW1, DA850_EVM_BB_EXP_USER_SW2, DA850_EVM_BB_EXP_USER_SW3, DA850_EVM_BB_EXP_USER_SW4, DA850_EVM_BB_EXP_USER_SW5, DA850_EVM_BB_EXP_USER_SW6, DA850_EVM_BB_EXP_USER_SW7, DA850_EVM_BB_EXP_USER_SW8 }; static const char const *da850_evm_bb_exp[] = { [DA850_EVM_BB_EXP_DEEP_SLEEP_EN] = "deep_sleep_en", [DA850_EVM_BB_EXP_SW_RST] = "sw_rst", [DA850_EVM_BB_EXP_TP_23] = "tp_23", [DA850_EVM_BB_EXP_TP_22] = "tp_22", [DA850_EVM_BB_EXP_TP_21] = "tp_21", [DA850_EVM_BB_EXP_USER_PB1] = "user_pb1", [DA850_EVM_BB_EXP_USER_LED2] = "user_led2", [DA850_EVM_BB_EXP_USER_LED1] = "user_led1", [DA850_EVM_BB_EXP_USER_SW1] = "user_sw1", [DA850_EVM_BB_EXP_USER_SW2] = "user_sw2", [DA850_EVM_BB_EXP_USER_SW3] = "user_sw3", [DA850_EVM_BB_EXP_USER_SW4] = "user_sw4", [DA850_EVM_BB_EXP_USER_SW5] = "user_sw5", [DA850_EVM_BB_EXP_USER_SW6] = "user_sw6", [DA850_EVM_BB_EXP_USER_SW7] = "user_sw7", [DA850_EVM_BB_EXP_USER_SW8] = "user_sw8", }; #define DA850_N_BB_USER_SW 8 static struct gpio_keys_button da850_evm_bb_keys[] = { [0] = { .type = EV_KEY, .active_low = 1, .wakeup = 0, .debounce_interval = DA850_KEYS_DEBOUNCE_MS, .code = KEY_PROG1, .desc = NULL, /* assigned at runtime */ .gpio = -1, /* assigned at runtime */ }, [1 ... DA850_N_BB_USER_SW] = { .type = EV_SW, .active_low = 1, .wakeup = 0, .debounce_interval = DA850_KEYS_DEBOUNCE_MS, .code = -1, /* assigned at runtime */ .desc = NULL, /* assigned at runtime */ .gpio = -1, /* assigned at runtime */ }, }; static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = { .buttons = da850_evm_bb_keys, .nbuttons = ARRAY_SIZE(da850_evm_bb_keys), .poll_interval = DA850_GPIO_KEYS_POLL_MS, }; static struct platform_device da850_evm_bb_keys_device = { .name = "gpio-keys-polled", .id = 1, .dev = { .platform_data = &da850_evm_bb_keys_pdata }, }; static void da850_evm_bb_keys_init(unsigned gpio) { int i; struct gpio_keys_button *button; button = &da850_evm_bb_keys[0]; button->desc = (char *) da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1]; button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1; for (i = 0; i < DA850_N_BB_USER_SW; i++) { button = &da850_evm_bb_keys[i + 1]; button->code = SW_LID + i; button->desc = (char *) da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i]; button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i; } } #define DA850_N_BB_USER_LED 2 static struct gpio_led da850_evm_bb_leds[] = { [0 ... DA850_N_BB_USER_LED - 1] = { .active_low = 1, .gpio = -1, /* assigned at runtime */ .name = NULL, /* assigned at runtime */ }, }; static struct gpio_led_platform_data da850_evm_bb_leds_pdata = { .leds = da850_evm_bb_leds, .num_leds = ARRAY_SIZE(da850_evm_bb_leds), }; static struct platform_device da850_evm_bb_leds_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &da850_evm_bb_leds_pdata } }; static void da850_evm_bb_leds_init(unsigned gpio) { int i; struct gpio_led *led; for (i = 0; i < DA850_N_BB_USER_LED; i++) { led = &da850_evm_bb_leds[i]; led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i; led->name = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i]; } } static int da850_evm_bb_expander_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *c) { int ret; /* * Register the switches and pushbutton on the baseboard as a gpio-keys * device. */ da850_evm_bb_keys_init(gpio); ret = platform_device_register(&da850_evm_bb_keys_device); if (ret) { pr_warning("Could not register baseboard GPIO expander keys"); goto io_exp_setup_sw_fail; } da850_evm_bb_leds_init(gpio); ret = platform_device_register(&da850_evm_bb_leds_device); if (ret) { pr_warning("Could not register baseboard GPIO expander LEDS"); goto io_exp_setup_leds_fail; } return 0; io_exp_setup_leds_fail: platform_device_unregister(&da850_evm_bb_keys_device); io_exp_setup_sw_fail: return ret; } static int da850_evm_bb_expander_teardown(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *c) { platform_device_unregister(&da850_evm_bb_leds_device); platform_device_unregister(&da850_evm_bb_keys_device); return 0; } static struct pca953x_platform_data da850_evm_ui_expander_info = { .gpio_base = DAVINCI_N_GPIO, .setup = da850_evm_ui_expander_setup, .teardown = da850_evm_ui_expander_teardown, .names = da850_evm_ui_exp, }; static struct pca953x_platform_data da850_evm_bb_expander_info = { .gpio_base = DA850_BB_EXPANDER_GPIO_BASE, .setup = da850_evm_bb_expander_setup, .teardown = da850_evm_bb_expander_teardown, .names = da850_evm_bb_exp, }; static struct i2c_board_info __initdata da850_evm_i2c_devices[] = { { I2C_BOARD_INFO("tlv320aic3x", 0x18), }, { I2C_BOARD_INFO("tca6416", 0x20), .platform_data = &da850_evm_ui_expander_info, }, { I2C_BOARD_INFO("tca6416", 0x21), .platform_data = &da850_evm_bb_expander_info, }, }; static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { .bus_freq = 100, /* kHz */ .bus_delay = 0, /* usec */ }; static struct davinci_uart_config da850_evm_uart_config __initdata = { .enabled_uarts = 0x7, }; /* davinci da850 evm audio machine driver */ static u8 da850_iis_serializer_direction[] = { INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, }; static struct snd_platform_data da850_evm_snd_data = { .tx_dma_offset = 0x2000, .rx_dma_offset = 0x2000, .op_mode = DAVINCI_MCASP_IIS_MODE, .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction), .tdm_slots = 2, .serial_dir = da850_iis_serializer_direction, .asp_chan_q = EVENTQ_1, .version = MCASP_VERSION_2, .txnumevt = 1, .rxnumevt = 1, }; static int da850_evm_mmc_get_ro(int index) { return gpio_get_value(DA850_MMCSD_WP_PIN); } static int da850_evm_mmc_get_cd(int index) { return !gpio_get_value(DA850_MMCSD_CD_PIN); } static struct davinci_mmc_config da850_mmc_config = { .get_ro = da850_evm_mmc_get_ro, .get_cd = da850_evm_mmc_get_cd, .wires = 4, .max_freq = 50000000, .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, .version = MMC_CTLR_VERSION_2, }; static void da850_panel_power_ctrl(int val) { /* lcd backlight */ gpio_set_value(DA850_LCD_BL_PIN, val); /* lcd power */ gpio_set_value(DA850_LCD_PWR_PIN, val); } static int da850_lcd_hw_init(void) { int status; status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n"); if (status < 0) return status; status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n"); if (status < 0) { gpio_free(DA850_LCD_BL_PIN); return status; } gpio_direction_output(DA850_LCD_BL_PIN, 0); gpio_direction_output(DA850_LCD_PWR_PIN, 0); /* Switch off panel power and backlight */ da850_panel_power_ctrl(0); /* Switch on panel power and backlight */ da850_panel_power_ctrl(1); return 0; } /* TPS65070 voltage regulator support */ /* 3.3V */ static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = { { .supply = "usb0_vdda33", }, { .supply = "usb1_vdda33", }, }; /* 3.3V or 1.8V */ static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = { { .supply = "dvdd3318_a", }, { .supply = "dvdd3318_b", }, { .supply = "dvdd3318_c", }, }; /* 1.2V */ static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = { { .supply = "cvdd", }, }; /* 1.8V LDO */ static struct regulator_consumer_supply tps65070_ldo1_consumers[] = { { .supply = "sata_vddr", }, { .supply = "usb0_vdda18", }, { .supply = "usb1_vdda18", }, { .supply = "ddr_dvdd18", }, }; /* 1.2V LDO */ static struct regulator_consumer_supply tps65070_ldo2_consumers[] = { { .supply = "sata_vdd", }, { .supply = "pll0_vdda", }, { .supply = "pll1_vdda", }, { .supply = "usbs_cvdd", }, { .supply = "vddarnwa1", }, }; /* We take advantage of the fact that both defdcdc{2,3} are tied high */ static struct tps6507x_reg_platform_data tps6507x_platform_data = { .defdcdc_default = true, }; static struct regulator_init_data tps65070_regulator_data[] = { /* dcdc1 */ { .constraints = { .min_uV = 3150000, .max_uV = 3450000, .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS), .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers), .consumer_supplies = tps65070_dcdc1_consumers, }, /* dcdc2 */ { .constraints = { .min_uV = 1710000, .max_uV = 3450000, .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS), .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers), .consumer_supplies = tps65070_dcdc2_consumers, .driver_data = &tps6507x_platform_data, }, /* dcdc3 */ { .constraints = { .min_uV = 950000, .max_uV = 1350000, .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS), .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers), .consumer_supplies = tps65070_dcdc3_consumers, .driver_data = &tps6507x_platform_data, }, /* ldo1 */ { .constraints = { .min_uV = 1710000, .max_uV = 1890000, .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS), .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers), .consumer_supplies = tps65070_ldo1_consumers, }, /* ldo2 */ { .constraints = { .min_uV = 1140000, .max_uV = 1320000, .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS), .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers), .consumer_supplies = tps65070_ldo2_consumers, }, }; static struct touchscreen_init_data tps6507x_touchscreen_data = { .poll_period = 30, /* ms between touch samples */ .min_pressure = 0x30, /* minimum pressure to trigger touch */ .vref = 0, /* turn off vref when not using A/D */ .vendor = 0, /* /sys/class/input/input?/id/vendor */ .product = 65070, /* /sys/class/input/input?/id/product */ .version = 0x100, /* /sys/class/input/input?/id/version */ }; static struct tps6507x_board tps_board = { .tps6507x_pmic_init_data = &tps65070_regulator_data[0], .tps6507x_ts_init_data = &tps6507x_touchscreen_data, }; static struct i2c_board_info __initdata da850_evm_tps65070_info[] = { { I2C_BOARD_INFO("tps6507x", 0x48), .platform_data = &tps_board, }, }; static int __init pmic_tps65070_init(void) { return i2c_register_board_info(1, da850_evm_tps65070_info, ARRAY_SIZE(da850_evm_tps65070_info)); } static const short da850_evm_lcdc_pins[] = { DA850_GPIO2_8, DA850_GPIO2_15, -1 }; static const short da850_evm_mii_pins[] = { DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, DA850_MDIO_D, -1 }; static const short da850_evm_rmii_pins[] = { DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN, DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1, DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK, DA850_MDIO_D, -1 }; static int __init da850_evm_config_emac(void) { void __iomem *cfg_chip3_base; int ret; u32 val; struct davinci_soc_info *soc_info = &davinci_soc_info; u8 rmii_en = soc_info->emac_pdata->rmii_en; if (!machine_is_davinci_da850_evm()) return 0; cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); val = __raw_readl(cfg_chip3_base); if (rmii_en) { val |= BIT(8); ret = davinci_cfg_reg_list(da850_evm_rmii_pins); pr_info("EMAC: RMII PHY configured, MII PHY will not be" " functional\n"); } else { val &= ~BIT(8); ret = davinci_cfg_reg_list(da850_evm_mii_pins); pr_info("EMAC: MII PHY configured, RMII PHY will not be" " functional\n"); } if (ret) pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n", ret); /* configure the CFGCHIP3 register for RMII or MII */ __raw_writel(val, cfg_chip3_base); ret = davinci_cfg_reg(DA850_GPIO2_6); if (ret) pr_warning("da850_evm_init:GPIO(2,6) mux setup " "failed\n"); ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en"); if (ret) { pr_warning("Cannot open GPIO %d\n", DA850_MII_MDIO_CLKEN_PIN); return ret; } /* Enable/Disable MII MDIO clock */ gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en); soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID; ret = da8xx_register_emac(); if (ret) pr_warning("da850_evm_init: emac registration failed: %d\n", ret); return 0; } device_initcall(da850_evm_config_emac); /* * The following EDMA channels/slots are not being used by drivers (for * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence * they are being reserved for codecs on the DSP side. */ static const s16 da850_dma0_rsv_chans[][2] = { /* (offset, number) */ { 8, 6}, {24, 4}, {30, 2}, {-1, -1} }; static const s16 da850_dma0_rsv_slots[][2] = { /* (offset, number) */ { 8, 6}, {24, 4}, {30, 50}, {-1, -1} }; static const s16 da850_dma1_rsv_chans[][2] = { /* (offset, number) */ { 0, 28}, {30, 2}, {-1, -1} }; static const s16 da850_dma1_rsv_slots[][2] = { /* (offset, number) */ { 0, 28}, {30, 90}, {-1, -1} }; static struct edma_rsv_info da850_edma_cc0_rsv = { .rsv_chans = da850_dma0_rsv_chans, .rsv_slots = da850_dma0_rsv_slots, }; static struct edma_rsv_info da850_edma_cc1_rsv = { .rsv_chans = da850_dma1_rsv_chans, .rsv_slots = da850_dma1_rsv_slots, }; static struct edma_rsv_info *da850_edma_rsv[2] = { &da850_edma_cc0_rsv, &da850_edma_cc1_rsv, }; #ifdef CONFIG_CPU_FREQ static __init int da850_evm_init_cpufreq(void) { switch (system_rev & 0xF) { case 3: da850_max_speed = 456000; break; case 2: da850_max_speed = 408000; break; case 1: da850_max_speed = 372000; break; } return da850_register_cpufreq("pll0_sysclk3"); } #else static __init int da850_evm_init_cpufreq(void) { return 0; } #endif static __init void da850_evm_init(void) { int ret; ret = pmic_tps65070_init(); if (ret) pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n", ret); ret = da850_register_edma(da850_edma_rsv); if (ret) pr_warning("da850_evm_init: edma registration failed: %d\n", ret); ret = davinci_cfg_reg_list(da850_i2c0_pins); if (ret) pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", ret); ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); if (ret) pr_warning("da850_evm_init: i2c0 registration failed: %d\n", ret); ret = da8xx_register_watchdog(); if (ret) pr_warning("da830_evm_init: watchdog registration failed: %d\n", ret); if (HAS_MMC) { ret = davinci_cfg_reg_list(da850_mmcsd0_pins); if (ret) pr_warning("da850_evm_init: mmcsd0 mux setup failed:" " %d\n", ret); ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n"); if (ret) pr_warning("da850_evm_init: can not open GPIO %d\n", DA850_MMCSD_CD_PIN); gpio_direction_input(DA850_MMCSD_CD_PIN); ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n"); if (ret) pr_warning("da850_evm_init: can not open GPIO %d\n", DA850_MMCSD_WP_PIN); gpio_direction_input(DA850_MMCSD_WP_PIN); ret = da8xx_register_mmcsd0(&da850_mmc_config); if (ret) pr_warning("da850_evm_init: mmcsd0 registration failed:" " %d\n", ret); } davinci_serial_init(&da850_evm_uart_config); i2c_register_board_info(1, da850_evm_i2c_devices, ARRAY_SIZE(da850_evm_i2c_devices)); /* * shut down uart 0 and 1; they are not used on the board and * accessing them causes endless "too much work in irq53" messages * with arago fs */ __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); ret = davinci_cfg_reg_list(da850_mcasp_pins); if (ret) pr_warning("da850_evm_init: mcasp mux setup failed: %d\n", ret); da8xx_register_mcasp(0, &da850_evm_snd_data); ret = davinci_cfg_reg_list(da850_lcdcntl_pins); if (ret) pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", ret); /* Handle board specific muxing for LCD here */ ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); if (ret) pr_warning("da850_evm_init: evm specific lcd mux setup " "failed: %d\n", ret); ret = da850_lcd_hw_init(); if (ret) pr_warning("da850_evm_init: lcd initialization failed: %d\n", ret); sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl, ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata); if (ret) pr_warning("da850_evm_init: lcdc registration failed: %d\n", ret); ret = da8xx_register_rtc(); if (ret) pr_warning("da850_evm_init: rtc setup failed: %d\n", ret); ret = da850_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); } #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") .boot_params = (DA8XX_DDR_BASE + 0x100), .map_io = da850_evm_map_io, .init_irq = cp_intc_init, .timer = &davinci_timer, .init_machine = da850_evm_init, MACHINE_END