| /* |
| * TI DA850/OMAP-L138 EVM board |
| * |
| * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ |
| * |
| * Derived from: arch/arm/mach-davinci/board-da830-evm.c |
| * Original Copyrights follow: |
| * |
| * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under |
| * the terms of the GNU General Public License version 2. This program |
| * is licensed "as is" without any warranty of any kind, whether express |
| * or implied. |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/console.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c/at24.h> |
| #include <linux/i2c/pca953x.h> |
| #include <linux/input.h> |
| #include <linux/mfd/tps6507x.h> |
| #include <linux/gpio.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/platform_device.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/tps6507x.h> |
| #include <linux/input/tps6507x-ts.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/flash.h> |
| #include <linux/delay.h> |
| #include <linux/wl12xx.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/system_info.h> |
| |
| #include <mach/cp_intc.h> |
| #include <mach/da8xx.h> |
| #include <mach/nand.h> |
| #include <mach/mux.h> |
| #include <mach/aemif.h> |
| #include <mach/spi.h> |
| |
| #define DA850_EVM_PHY_ID "davinci_mdio-0:00" |
| #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8) |
| #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15) |
| |
| #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) |
| #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) |
| |
| #define DA850_WLAN_EN GPIO_TO_PIN(6, 9) |
| #define DA850_WLAN_IRQ GPIO_TO_PIN(6, 10) |
| |
| #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6) |
| |
| static struct mtd_partition da850evm_spiflash_part[] = { |
| [0] = { |
| .name = "UBL", |
| .offset = 0, |
| .size = SZ_64K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| [1] = { |
| .name = "U-Boot", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_512K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| [2] = { |
| .name = "U-Boot-Env", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_64K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| [3] = { |
| .name = "Kernel", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_2M + SZ_512K, |
| .mask_flags = 0, |
| }, |
| [4] = { |
| .name = "Filesystem", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_4M, |
| .mask_flags = 0, |
| }, |
| [5] = { |
| .name = "MAC-Address", |
| .offset = SZ_8M - SZ_64K, |
| .size = SZ_64K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| }; |
| |
| static struct flash_platform_data da850evm_spiflash_data = { |
| .name = "m25p80", |
| .parts = da850evm_spiflash_part, |
| .nr_parts = ARRAY_SIZE(da850evm_spiflash_part), |
| .type = "m25p64", |
| }; |
| |
| static struct davinci_spi_config da850evm_spiflash_cfg = { |
| .io_type = SPI_IO_TYPE_DMA, |
| .c2tdelay = 8, |
| .t2cdelay = 8, |
| }; |
| |
| static struct spi_board_info da850evm_spi_info[] = { |
| { |
| .modalias = "m25p80", |
| .platform_data = &da850evm_spiflash_data, |
| .controller_data = &da850evm_spiflash_cfg, |
| .mode = SPI_MODE_0, |
| .max_speed_hz = 30000000, |
| .bus_num = 1, |
| .chip_select = 0, |
| }, |
| }; |
| |
| #ifdef CONFIG_MTD |
| static void da850_evm_m25p80_notify_add(struct mtd_info *mtd) |
| { |
| char *mac_addr = davinci_soc_info.emac_pdata->mac_addr; |
| size_t retlen; |
| |
| if (!strcmp(mtd->name, "MAC-Address")) { |
| mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr); |
| if (retlen == ETH_ALEN) |
| pr_info("Read MAC addr from SPI Flash: %pM\n", |
| mac_addr); |
| } |
| } |
| |
| static struct mtd_notifier da850evm_spi_notifier = { |
| .add = da850_evm_m25p80_notify_add, |
| }; |
| |
| static void da850_evm_setup_mac_addr(void) |
| { |
| register_mtd_user(&da850evm_spi_notifier); |
| } |
| #else |
| static void da850_evm_setup_mac_addr(void) { } |
| #endif |
| |
| static struct mtd_partition da850_evm_norflash_partition[] = { |
| { |
| .name = "bootloaders + env", |
| .offset = 0, |
| .size = SZ_512K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| { |
| .name = "kernel", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_2M, |
| .mask_flags = 0, |
| }, |
| { |
| .name = "filesystem", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| .mask_flags = 0, |
| }, |
| }; |
| |
| static struct physmap_flash_data da850_evm_norflash_data = { |
| .width = 2, |
| .parts = da850_evm_norflash_partition, |
| .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition), |
| }; |
| |
| static struct resource da850_evm_norflash_resource[] = { |
| { |
| .start = DA8XX_AEMIF_CS2_BASE, |
| .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device da850_evm_norflash_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &da850_evm_norflash_data, |
| }, |
| .num_resources = 1, |
| .resource = da850_evm_norflash_resource, |
| }; |
| |
| static struct davinci_pm_config da850_pm_pdata = { |
| .sleepcount = 128, |
| }; |
| |
| static struct platform_device da850_pm_device = { |
| .name = "pm-davinci", |
| .dev = { |
| .platform_data = &da850_pm_pdata, |
| }, |
| .id = -1, |
| }; |
| |
| /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash |
| * (128K blocks). It may be used instead of the (default) SPI flash |
| * to boot, using TI's tools to install the secondary boot loader |
| * (UBL) and U-Boot. |
| */ |
| static struct mtd_partition da850_evm_nandflash_partition[] = { |
| { |
| .name = "u-boot env", |
| .offset = 0, |
| .size = SZ_128K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| { |
| .name = "UBL", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_128K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| { |
| .name = "u-boot", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 4 * SZ_128K, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| { |
| .name = "kernel", |
| .offset = 0x200000, |
| .size = SZ_2M, |
| .mask_flags = 0, |
| }, |
| { |
| .name = "filesystem", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| .mask_flags = 0, |
| }, |
| }; |
| |
| static struct davinci_aemif_timing da850_evm_nandflash_timing = { |
| .wsetup = 24, |
| .wstrobe = 21, |
| .whold = 14, |
| .rsetup = 19, |
| .rstrobe = 50, |
| .rhold = 0, |
| .ta = 20, |
| }; |
| |
| static struct davinci_nand_pdata da850_evm_nandflash_data = { |
| .parts = da850_evm_nandflash_partition, |
| .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition), |
| .ecc_mode = NAND_ECC_HW, |
| .ecc_bits = 4, |
| .bbt_options = NAND_BBT_USE_FLASH, |
| .timing = &da850_evm_nandflash_timing, |
| }; |
| |
| static struct resource da850_evm_nandflash_resource[] = { |
| { |
| .start = DA8XX_AEMIF_CS3_BASE, |
| .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = DA8XX_AEMIF_CTL_BASE, |
| .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device da850_evm_nandflash_device = { |
| .name = "davinci_nand", |
| .id = 1, |
| .dev = { |
| .platform_data = &da850_evm_nandflash_data, |
| }, |
| .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource), |
| .resource = da850_evm_nandflash_resource, |
| }; |
| |
| static struct platform_device *da850_evm_devices[] = { |
| &da850_evm_nandflash_device, |
| &da850_evm_norflash_device, |
| }; |
| |
| #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10 |
| #define DA8XX_AEMIF_ASIZE_16BIT 0x1 |
| |
| static void __init da850_evm_init_nor(void) |
| { |
| void __iomem *aemif_addr; |
| |
| aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K); |
| |
| /* Configure data bus width of CS2 to 16 bit */ |
| writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) | |
| DA8XX_AEMIF_ASIZE_16BIT, |
| aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET); |
| |
| iounmap(aemif_addr); |
| } |
| |
| static const short da850_evm_nand_pins[] = { |
| DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3, |
| DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7, |
| DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4, |
| DA850_NEMA_WE, DA850_NEMA_OE, |
| -1 |
| }; |
| |
| static const short da850_evm_nor_pins[] = { |
| DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2, |
| DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1, |
| DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5, |
| DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9, |
| DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13, |
| DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1, |
| DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5, |
| DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9, |
| DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13, |
| DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17, |
| DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21, |
| DA850_EMA_A_22, DA850_EMA_A_23, |
| -1 |
| }; |
| |
| #if defined(CONFIG_MMC_DAVINCI) || \ |
| defined(CONFIG_MMC_DAVINCI_MODULE) |
| #define HAS_MMC 1 |
| #else |
| #define HAS_MMC 0 |
| #endif |
| |
| static inline void da850_evm_setup_nor_nand(void) |
| { |
| int ret = 0; |
| |
| if (!HAS_MMC) { |
| ret = davinci_cfg_reg_list(da850_evm_nand_pins); |
| if (ret) |
| pr_warning("da850_evm_init: nand mux setup failed: " |
| "%d\n", ret); |
| |
| ret = davinci_cfg_reg_list(da850_evm_nor_pins); |
| if (ret) |
| pr_warning("da850_evm_init: nor mux setup failed: %d\n", |
| ret); |
| |
| da850_evm_init_nor(); |
| |
| platform_add_devices(da850_evm_devices, |
| ARRAY_SIZE(da850_evm_devices)); |
| } |
| } |
| |
| #ifdef CONFIG_DA850_UI_RMII |
| static inline void da850_evm_setup_emac_rmii(int rmii_sel) |
| { |
| struct davinci_soc_info *soc_info = &davinci_soc_info; |
| |
| soc_info->emac_pdata->rmii_en = 1; |
| gpio_set_value_cansleep(rmii_sel, 0); |
| } |
| #else |
| static inline void da850_evm_setup_emac_rmii(int rmii_sel) { } |
| #endif |
| |
| |
| #define DA850_KEYS_DEBOUNCE_MS 10 |
| /* |
| * At 200ms polling interval it is possible to miss an |
| * event by tapping very lightly on the push button but most |
| * pushes do result in an event; longer intervals require the |
| * user to hold the button whereas shorter intervals require |
| * more CPU time for polling. |
| */ |
| #define DA850_GPIO_KEYS_POLL_MS 200 |
| |
| enum da850_evm_ui_exp_pins { |
| DA850_EVM_UI_EXP_SEL_C = 5, |
| DA850_EVM_UI_EXP_SEL_B, |
| DA850_EVM_UI_EXP_SEL_A, |
| DA850_EVM_UI_EXP_PB8, |
| DA850_EVM_UI_EXP_PB7, |
| DA850_EVM_UI_EXP_PB6, |
| DA850_EVM_UI_EXP_PB5, |
| DA850_EVM_UI_EXP_PB4, |
| DA850_EVM_UI_EXP_PB3, |
| DA850_EVM_UI_EXP_PB2, |
| DA850_EVM_UI_EXP_PB1, |
| }; |
| |
| static const char const *da850_evm_ui_exp[] = { |
| [DA850_EVM_UI_EXP_SEL_C] = "sel_c", |
| [DA850_EVM_UI_EXP_SEL_B] = "sel_b", |
| [DA850_EVM_UI_EXP_SEL_A] = "sel_a", |
| [DA850_EVM_UI_EXP_PB8] = "pb8", |
| [DA850_EVM_UI_EXP_PB7] = "pb7", |
| [DA850_EVM_UI_EXP_PB6] = "pb6", |
| [DA850_EVM_UI_EXP_PB5] = "pb5", |
| [DA850_EVM_UI_EXP_PB4] = "pb4", |
| [DA850_EVM_UI_EXP_PB3] = "pb3", |
| [DA850_EVM_UI_EXP_PB2] = "pb2", |
| [DA850_EVM_UI_EXP_PB1] = "pb1", |
| }; |
| |
| #define DA850_N_UI_PB 8 |
| |
| static struct gpio_keys_button da850_evm_ui_keys[] = { |
| [0 ... DA850_N_UI_PB - 1] = { |
| .type = EV_KEY, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = DA850_KEYS_DEBOUNCE_MS, |
| .code = -1, /* assigned at runtime */ |
| .gpio = -1, /* assigned at runtime */ |
| .desc = NULL, /* assigned at runtime */ |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = { |
| .buttons = da850_evm_ui_keys, |
| .nbuttons = ARRAY_SIZE(da850_evm_ui_keys), |
| .poll_interval = DA850_GPIO_KEYS_POLL_MS, |
| }; |
| |
| static struct platform_device da850_evm_ui_keys_device = { |
| .name = "gpio-keys-polled", |
| .id = 0, |
| .dev = { |
| .platform_data = &da850_evm_ui_keys_pdata |
| }, |
| }; |
| |
| static void da850_evm_ui_keys_init(unsigned gpio) |
| { |
| int i; |
| struct gpio_keys_button *button; |
| |
| for (i = 0; i < DA850_N_UI_PB; i++) { |
| button = &da850_evm_ui_keys[i]; |
| button->code = KEY_F8 - i; |
| button->desc = (char *) |
| da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i]; |
| button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i; |
| } |
| } |
| |
| static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, |
| unsigned ngpio, void *c) |
| { |
| int sel_a, sel_b, sel_c, ret; |
| |
| sel_a = gpio + DA850_EVM_UI_EXP_SEL_A; |
| sel_b = gpio + DA850_EVM_UI_EXP_SEL_B; |
| sel_c = gpio + DA850_EVM_UI_EXP_SEL_C; |
| |
| ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]); |
| if (ret) { |
| pr_warning("Cannot open UI expander pin %d\n", sel_a); |
| goto exp_setup_sela_fail; |
| } |
| |
| ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]); |
| if (ret) { |
| pr_warning("Cannot open UI expander pin %d\n", sel_b); |
| goto exp_setup_selb_fail; |
| } |
| |
| ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]); |
| if (ret) { |
| pr_warning("Cannot open UI expander pin %d\n", sel_c); |
| goto exp_setup_selc_fail; |
| } |
| |
| /* deselect all functionalities */ |
| gpio_direction_output(sel_a, 1); |
| gpio_direction_output(sel_b, 1); |
| gpio_direction_output(sel_c, 1); |
| |
| da850_evm_ui_keys_init(gpio); |
| ret = platform_device_register(&da850_evm_ui_keys_device); |
| if (ret) { |
| pr_warning("Could not register UI GPIO expander push-buttons"); |
| goto exp_setup_keys_fail; |
| } |
| |
| pr_info("DA850/OMAP-L138 EVM UI card detected\n"); |
| |
| da850_evm_setup_nor_nand(); |
| |
| da850_evm_setup_emac_rmii(sel_a); |
| |
| return 0; |
| |
| exp_setup_keys_fail: |
| gpio_free(sel_c); |
| exp_setup_selc_fail: |
| gpio_free(sel_b); |
| exp_setup_selb_fail: |
| gpio_free(sel_a); |
| exp_setup_sela_fail: |
| return ret; |
| } |
| |
| static int da850_evm_ui_expander_teardown(struct i2c_client *client, |
| unsigned gpio, unsigned ngpio, void *c) |
| { |
| platform_device_unregister(&da850_evm_ui_keys_device); |
| |
| /* deselect all functionalities */ |
| gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1); |
| gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1); |
| gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1); |
| |
| gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C); |
| gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B); |
| gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A); |
| |
| return 0; |
| } |
| |
| /* assign the baseboard expander's GPIOs after the UI board's */ |
| #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp) |
| #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS) |
| |
| enum da850_evm_bb_exp_pins { |
| DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0, |
| DA850_EVM_BB_EXP_SW_RST, |
| DA850_EVM_BB_EXP_TP_23, |
| DA850_EVM_BB_EXP_TP_22, |
| DA850_EVM_BB_EXP_TP_21, |
| DA850_EVM_BB_EXP_USER_PB1, |
| DA850_EVM_BB_EXP_USER_LED2, |
| DA850_EVM_BB_EXP_USER_LED1, |
| DA850_EVM_BB_EXP_USER_SW1, |
| DA850_EVM_BB_EXP_USER_SW2, |
| DA850_EVM_BB_EXP_USER_SW3, |
| DA850_EVM_BB_EXP_USER_SW4, |
| DA850_EVM_BB_EXP_USER_SW5, |
| DA850_EVM_BB_EXP_USER_SW6, |
| DA850_EVM_BB_EXP_USER_SW7, |
| DA850_EVM_BB_EXP_USER_SW8 |
| }; |
| |
| static const char const *da850_evm_bb_exp[] = { |
| [DA850_EVM_BB_EXP_DEEP_SLEEP_EN] = "deep_sleep_en", |
| [DA850_EVM_BB_EXP_SW_RST] = "sw_rst", |
| [DA850_EVM_BB_EXP_TP_23] = "tp_23", |
| [DA850_EVM_BB_EXP_TP_22] = "tp_22", |
| [DA850_EVM_BB_EXP_TP_21] = "tp_21", |
| [DA850_EVM_BB_EXP_USER_PB1] = "user_pb1", |
| [DA850_EVM_BB_EXP_USER_LED2] = "user_led2", |
| [DA850_EVM_BB_EXP_USER_LED1] = "user_led1", |
| [DA850_EVM_BB_EXP_USER_SW1] = "user_sw1", |
| [DA850_EVM_BB_EXP_USER_SW2] = "user_sw2", |
| [DA850_EVM_BB_EXP_USER_SW3] = "user_sw3", |
| [DA850_EVM_BB_EXP_USER_SW4] = "user_sw4", |
| [DA850_EVM_BB_EXP_USER_SW5] = "user_sw5", |
| [DA850_EVM_BB_EXP_USER_SW6] = "user_sw6", |
| [DA850_EVM_BB_EXP_USER_SW7] = "user_sw7", |
| [DA850_EVM_BB_EXP_USER_SW8] = "user_sw8", |
| }; |
| |
| #define DA850_N_BB_USER_SW 8 |
| |
| static struct gpio_keys_button da850_evm_bb_keys[] = { |
| [0] = { |
| .type = EV_KEY, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = DA850_KEYS_DEBOUNCE_MS, |
| .code = KEY_PROG1, |
| .desc = NULL, /* assigned at runtime */ |
| .gpio = -1, /* assigned at runtime */ |
| }, |
| [1 ... DA850_N_BB_USER_SW] = { |
| .type = EV_SW, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = DA850_KEYS_DEBOUNCE_MS, |
| .code = -1, /* assigned at runtime */ |
| .desc = NULL, /* assigned at runtime */ |
| .gpio = -1, /* assigned at runtime */ |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = { |
| .buttons = da850_evm_bb_keys, |
| .nbuttons = ARRAY_SIZE(da850_evm_bb_keys), |
| .poll_interval = DA850_GPIO_KEYS_POLL_MS, |
| }; |
| |
| static struct platform_device da850_evm_bb_keys_device = { |
| .name = "gpio-keys-polled", |
| .id = 1, |
| .dev = { |
| .platform_data = &da850_evm_bb_keys_pdata |
| }, |
| }; |
| |
| static void da850_evm_bb_keys_init(unsigned gpio) |
| { |
| int i; |
| struct gpio_keys_button *button; |
| |
| button = &da850_evm_bb_keys[0]; |
| button->desc = (char *) |
| da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1]; |
| button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1; |
| |
| for (i = 0; i < DA850_N_BB_USER_SW; i++) { |
| button = &da850_evm_bb_keys[i + 1]; |
| button->code = SW_LID + i; |
| button->desc = (char *) |
| da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i]; |
| button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i; |
| } |
| } |
| |
| #define DA850_N_BB_USER_LED 2 |
| |
| static struct gpio_led da850_evm_bb_leds[] = { |
| [0 ... DA850_N_BB_USER_LED - 1] = { |
| .active_low = 1, |
| .gpio = -1, /* assigned at runtime */ |
| .name = NULL, /* assigned at runtime */ |
| }, |
| }; |
| |
| static struct gpio_led_platform_data da850_evm_bb_leds_pdata = { |
| .leds = da850_evm_bb_leds, |
| .num_leds = ARRAY_SIZE(da850_evm_bb_leds), |
| }; |
| |
| static struct platform_device da850_evm_bb_leds_device = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &da850_evm_bb_leds_pdata |
| } |
| }; |
| |
| static void da850_evm_bb_leds_init(unsigned gpio) |
| { |
| int i; |
| struct gpio_led *led; |
| |
| for (i = 0; i < DA850_N_BB_USER_LED; i++) { |
| led = &da850_evm_bb_leds[i]; |
| |
| led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i; |
| led->name = |
| da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i]; |
| } |
| } |
| |
| static int da850_evm_bb_expander_setup(struct i2c_client *client, |
| unsigned gpio, unsigned ngpio, |
| void *c) |
| { |
| int ret; |
| |
| /* |
| * Register the switches and pushbutton on the baseboard as a gpio-keys |
| * device. |
| */ |
| da850_evm_bb_keys_init(gpio); |
| ret = platform_device_register(&da850_evm_bb_keys_device); |
| if (ret) { |
| pr_warning("Could not register baseboard GPIO expander keys"); |
| goto io_exp_setup_sw_fail; |
| } |
| |
| da850_evm_bb_leds_init(gpio); |
| ret = platform_device_register(&da850_evm_bb_leds_device); |
| if (ret) { |
| pr_warning("Could not register baseboard GPIO expander LEDS"); |
| goto io_exp_setup_leds_fail; |
| } |
| |
| return 0; |
| |
| io_exp_setup_leds_fail: |
| platform_device_unregister(&da850_evm_bb_keys_device); |
| io_exp_setup_sw_fail: |
| return ret; |
| } |
| |
| static int da850_evm_bb_expander_teardown(struct i2c_client *client, |
| unsigned gpio, unsigned ngpio, void *c) |
| { |
| platform_device_unregister(&da850_evm_bb_leds_device); |
| platform_device_unregister(&da850_evm_bb_keys_device); |
| |
| return 0; |
| } |
| |
| static struct pca953x_platform_data da850_evm_ui_expander_info = { |
| .gpio_base = DAVINCI_N_GPIO, |
| .setup = da850_evm_ui_expander_setup, |
| .teardown = da850_evm_ui_expander_teardown, |
| .names = da850_evm_ui_exp, |
| }; |
| |
| static struct pca953x_platform_data da850_evm_bb_expander_info = { |
| .gpio_base = DA850_BB_EXPANDER_GPIO_BASE, |
| .setup = da850_evm_bb_expander_setup, |
| .teardown = da850_evm_bb_expander_teardown, |
| .names = da850_evm_bb_exp, |
| }; |
| |
| static struct i2c_board_info __initdata da850_evm_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("tlv320aic3x", 0x18), |
| }, |
| { |
| I2C_BOARD_INFO("tca6416", 0x20), |
| .platform_data = &da850_evm_ui_expander_info, |
| }, |
| { |
| I2C_BOARD_INFO("tca6416", 0x21), |
| .platform_data = &da850_evm_bb_expander_info, |
| }, |
| }; |
| |
| static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { |
| .bus_freq = 100, /* kHz */ |
| .bus_delay = 0, /* usec */ |
| }; |
| |
| static struct davinci_uart_config da850_evm_uart_config __initdata = { |
| .enabled_uarts = 0x7, |
| }; |
| |
| /* davinci da850 evm audio machine driver */ |
| static u8 da850_iis_serializer_direction[] = { |
| INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE, |
| RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| }; |
| |
| static struct snd_platform_data da850_evm_snd_data = { |
| .tx_dma_offset = 0x2000, |
| .rx_dma_offset = 0x2000, |
| .op_mode = DAVINCI_MCASP_IIS_MODE, |
| .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction), |
| .tdm_slots = 2, |
| .serial_dir = da850_iis_serializer_direction, |
| .asp_chan_q = EVENTQ_0, |
| .version = MCASP_VERSION_2, |
| .txnumevt = 1, |
| .rxnumevt = 1, |
| }; |
| |
| static const short da850_evm_mcasp_pins[] __initconst = { |
| DA850_AHCLKX, DA850_ACLKX, DA850_AFSX, |
| DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE, |
| DA850_AXR_11, DA850_AXR_12, |
| -1 |
| }; |
| |
| static int da850_evm_mmc_get_ro(int index) |
| { |
| return gpio_get_value(DA850_MMCSD_WP_PIN); |
| } |
| |
| static int da850_evm_mmc_get_cd(int index) |
| { |
| return !gpio_get_value(DA850_MMCSD_CD_PIN); |
| } |
| |
| static struct davinci_mmc_config da850_mmc_config = { |
| .get_ro = da850_evm_mmc_get_ro, |
| .get_cd = da850_evm_mmc_get_cd, |
| .wires = 4, |
| .max_freq = 50000000, |
| .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, |
| .version = MMC_CTLR_VERSION_2, |
| }; |
| |
| static const short da850_evm_mmcsd0_pins[] __initconst = { |
| DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2, |
| DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, |
| DA850_GPIO4_0, DA850_GPIO4_1, |
| -1 |
| }; |
| |
| static void da850_panel_power_ctrl(int val) |
| { |
| /* lcd backlight */ |
| gpio_set_value(DA850_LCD_BL_PIN, val); |
| |
| /* lcd power */ |
| gpio_set_value(DA850_LCD_PWR_PIN, val); |
| } |
| |
| static int da850_lcd_hw_init(void) |
| { |
| int status; |
| |
| status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n"); |
| if (status < 0) |
| return status; |
| |
| status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n"); |
| if (status < 0) { |
| gpio_free(DA850_LCD_BL_PIN); |
| return status; |
| } |
| |
| gpio_direction_output(DA850_LCD_BL_PIN, 0); |
| gpio_direction_output(DA850_LCD_PWR_PIN, 0); |
| |
| /* Switch off panel power and backlight */ |
| da850_panel_power_ctrl(0); |
| |
| /* Switch on panel power and backlight */ |
| da850_panel_power_ctrl(1); |
| |
| return 0; |
| } |
| |
| /* TPS65070 voltage regulator support */ |
| |
| /* 3.3V */ |
| static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = { |
| { |
| .supply = "usb0_vdda33", |
| }, |
| { |
| .supply = "usb1_vdda33", |
| }, |
| }; |
| |
| /* 3.3V or 1.8V */ |
| static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = { |
| { |
| .supply = "dvdd3318_a", |
| }, |
| { |
| .supply = "dvdd3318_b", |
| }, |
| { |
| .supply = "dvdd3318_c", |
| }, |
| }; |
| |
| /* 1.2V */ |
| static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = { |
| { |
| .supply = "cvdd", |
| }, |
| }; |
| |
| /* 1.8V LDO */ |
| static struct regulator_consumer_supply tps65070_ldo1_consumers[] = { |
| { |
| .supply = "sata_vddr", |
| }, |
| { |
| .supply = "usb0_vdda18", |
| }, |
| { |
| .supply = "usb1_vdda18", |
| }, |
| { |
| .supply = "ddr_dvdd18", |
| }, |
| }; |
| |
| /* 1.2V LDO */ |
| static struct regulator_consumer_supply tps65070_ldo2_consumers[] = { |
| { |
| .supply = "sata_vdd", |
| }, |
| { |
| .supply = "pll0_vdda", |
| }, |
| { |
| .supply = "pll1_vdda", |
| }, |
| { |
| .supply = "usbs_cvdd", |
| }, |
| { |
| .supply = "vddarnwa1", |
| }, |
| }; |
| |
| /* We take advantage of the fact that both defdcdc{2,3} are tied high */ |
| static struct tps6507x_reg_platform_data tps6507x_platform_data = { |
| .defdcdc_default = true, |
| }; |
| |
| static struct regulator_init_data tps65070_regulator_data[] = { |
| /* dcdc1 */ |
| { |
| .constraints = { |
| .min_uV = 3150000, |
| .max_uV = 3450000, |
| .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_STATUS), |
| .boot_on = 1, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers), |
| .consumer_supplies = tps65070_dcdc1_consumers, |
| }, |
| |
| /* dcdc2 */ |
| { |
| .constraints = { |
| .min_uV = 1710000, |
| .max_uV = 3450000, |
| .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_STATUS), |
| .boot_on = 1, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers), |
| .consumer_supplies = tps65070_dcdc2_consumers, |
| .driver_data = &tps6507x_platform_data, |
| }, |
| |
| /* dcdc3 */ |
| { |
| .constraints = { |
| .min_uV = 950000, |
| .max_uV = 1350000, |
| .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_STATUS), |
| .boot_on = 1, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers), |
| .consumer_supplies = tps65070_dcdc3_consumers, |
| .driver_data = &tps6507x_platform_data, |
| }, |
| |
| /* ldo1 */ |
| { |
| .constraints = { |
| .min_uV = 1710000, |
| .max_uV = 1890000, |
| .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_STATUS), |
| .boot_on = 1, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers), |
| .consumer_supplies = tps65070_ldo1_consumers, |
| }, |
| |
| /* ldo2 */ |
| { |
| .constraints = { |
| .min_uV = 1140000, |
| .max_uV = 1320000, |
| .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_STATUS), |
| .boot_on = 1, |
| }, |
| .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers), |
| .consumer_supplies = tps65070_ldo2_consumers, |
| }, |
| }; |
| |
| static struct touchscreen_init_data tps6507x_touchscreen_data = { |
| .poll_period = 30, /* ms between touch samples */ |
| .min_pressure = 0x30, /* minimum pressure to trigger touch */ |
| .vref = 0, /* turn off vref when not using A/D */ |
| .vendor = 0, /* /sys/class/input/input?/id/vendor */ |
| .product = 65070, /* /sys/class/input/input?/id/product */ |
| .version = 0x100, /* /sys/class/input/input?/id/version */ |
| }; |
| |
| static struct tps6507x_board tps_board = { |
| .tps6507x_pmic_init_data = &tps65070_regulator_data[0], |
| .tps6507x_ts_init_data = &tps6507x_touchscreen_data, |
| }; |
| |
| static struct i2c_board_info __initdata da850_evm_tps65070_info[] = { |
| { |
| I2C_BOARD_INFO("tps6507x", 0x48), |
| .platform_data = &tps_board, |
| }, |
| }; |
| |
| static int __init pmic_tps65070_init(void) |
| { |
| return i2c_register_board_info(1, da850_evm_tps65070_info, |
| ARRAY_SIZE(da850_evm_tps65070_info)); |
| } |
| |
| static const short da850_evm_lcdc_pins[] = { |
| DA850_GPIO2_8, DA850_GPIO2_15, |
| -1 |
| }; |
| |
| static const short da850_evm_mii_pins[] = { |
| DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, |
| DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, |
| DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, |
| DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, |
| DA850_MDIO_D, |
| -1 |
| }; |
| |
| static const short da850_evm_rmii_pins[] = { |
| DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN, |
| DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1, |
| DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK, |
| DA850_MDIO_D, |
| -1 |
| }; |
| |
| static int __init da850_evm_config_emac(void) |
| { |
| void __iomem *cfg_chip3_base; |
| int ret; |
| u32 val; |
| struct davinci_soc_info *soc_info = &davinci_soc_info; |
| u8 rmii_en = soc_info->emac_pdata->rmii_en; |
| |
| if (!machine_is_davinci_da850_evm()) |
| return 0; |
| |
| cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); |
| |
| val = __raw_readl(cfg_chip3_base); |
| |
| if (rmii_en) { |
| val |= BIT(8); |
| ret = davinci_cfg_reg_list(da850_evm_rmii_pins); |
| pr_info("EMAC: RMII PHY configured, MII PHY will not be" |
| " functional\n"); |
| } else { |
| val &= ~BIT(8); |
| ret = davinci_cfg_reg_list(da850_evm_mii_pins); |
| pr_info("EMAC: MII PHY configured, RMII PHY will not be" |
| " functional\n"); |
| } |
| |
| if (ret) |
| pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n", |
| ret); |
| |
| /* configure the CFGCHIP3 register for RMII or MII */ |
| __raw_writel(val, cfg_chip3_base); |
| |
| ret = davinci_cfg_reg(DA850_GPIO2_6); |
| if (ret) |
| pr_warning("da850_evm_init:GPIO(2,6) mux setup " |
| "failed\n"); |
| |
| ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en"); |
| if (ret) { |
| pr_warning("Cannot open GPIO %d\n", |
| DA850_MII_MDIO_CLKEN_PIN); |
| return ret; |
| } |
| |
| /* Enable/Disable MII MDIO clock */ |
| gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en); |
| |
| soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID; |
| |
| ret = da8xx_register_emac(); |
| if (ret) |
| pr_warning("da850_evm_init: emac registration failed: %d\n", |
| ret); |
| |
| return 0; |
| } |
| device_initcall(da850_evm_config_emac); |
| |
| /* |
| * The following EDMA channels/slots are not being used by drivers (for |
| * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence |
| * they are being reserved for codecs on the DSP side. |
| */ |
| static const s16 da850_dma0_rsv_chans[][2] = { |
| /* (offset, number) */ |
| { 8, 6}, |
| {24, 4}, |
| {30, 2}, |
| {-1, -1} |
| }; |
| |
| static const s16 da850_dma0_rsv_slots[][2] = { |
| /* (offset, number) */ |
| { 8, 6}, |
| {24, 4}, |
| {30, 50}, |
| {-1, -1} |
| }; |
| |
| static const s16 da850_dma1_rsv_chans[][2] = { |
| /* (offset, number) */ |
| { 0, 28}, |
| {30, 2}, |
| {-1, -1} |
| }; |
| |
| static const s16 da850_dma1_rsv_slots[][2] = { |
| /* (offset, number) */ |
| { 0, 28}, |
| {30, 90}, |
| {-1, -1} |
| }; |
| |
| static struct edma_rsv_info da850_edma_cc0_rsv = { |
| .rsv_chans = da850_dma0_rsv_chans, |
| .rsv_slots = da850_dma0_rsv_slots, |
| }; |
| |
| static struct edma_rsv_info da850_edma_cc1_rsv = { |
| .rsv_chans = da850_dma1_rsv_chans, |
| .rsv_slots = da850_dma1_rsv_slots, |
| }; |
| |
| static struct edma_rsv_info *da850_edma_rsv[2] = { |
| &da850_edma_cc0_rsv, |
| &da850_edma_cc1_rsv, |
| }; |
| |
| #ifdef CONFIG_CPU_FREQ |
| static __init int da850_evm_init_cpufreq(void) |
| { |
| switch (system_rev & 0xF) { |
| case 3: |
| da850_max_speed = 456000; |
| break; |
| case 2: |
| da850_max_speed = 408000; |
| break; |
| case 1: |
| da850_max_speed = 372000; |
| break; |
| } |
| |
| return da850_register_cpufreq("pll0_sysclk3"); |
| } |
| #else |
| static __init int da850_evm_init_cpufreq(void) { return 0; } |
| #endif |
| |
| #ifdef CONFIG_DA850_WL12XX |
| |
| static void wl12xx_set_power(int index, bool power_on) |
| { |
| static bool power_state; |
| |
| pr_debug("Powering %s wl12xx", power_on ? "on" : "off"); |
| |
| if (power_on == power_state) |
| return; |
| power_state = power_on; |
| |
| if (power_on) { |
| /* Power up sequence required for wl127x devices */ |
| gpio_set_value(DA850_WLAN_EN, 1); |
| usleep_range(15000, 15000); |
| gpio_set_value(DA850_WLAN_EN, 0); |
| usleep_range(1000, 1000); |
| gpio_set_value(DA850_WLAN_EN, 1); |
| msleep(70); |
| } else { |
| gpio_set_value(DA850_WLAN_EN, 0); |
| } |
| } |
| |
| static struct davinci_mmc_config da850_wl12xx_mmc_config = { |
| .set_power = wl12xx_set_power, |
| .wires = 4, |
| .max_freq = 25000000, |
| .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE | |
| MMC_CAP_POWER_OFF_CARD, |
| .version = MMC_CTLR_VERSION_2, |
| }; |
| |
| static const short da850_wl12xx_pins[] __initconst = { |
| DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2, |
| DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD, |
| DA850_GPIO6_9, DA850_GPIO6_10, |
| -1 |
| }; |
| |
| static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = { |
| .irq = -1, |
| .board_ref_clock = WL12XX_REFCLOCK_38, |
| .platform_quirks = WL12XX_PLATFORM_QUIRK_EDGE_IRQ, |
| }; |
| |
| static __init int da850_wl12xx_init(void) |
| { |
| int ret; |
| |
| ret = davinci_cfg_reg_list(da850_wl12xx_pins); |
| if (ret) { |
| pr_err("wl12xx/mmc mux setup failed: %d\n", ret); |
| goto exit; |
| } |
| |
| ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config); |
| if (ret) { |
| pr_err("wl12xx/mmc registration failed: %d\n", ret); |
| goto exit; |
| } |
| |
| ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en"); |
| if (ret) { |
| pr_err("Could not request wl12xx enable gpio: %d\n", ret); |
| goto exit; |
| } |
| |
| ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq"); |
| if (ret) { |
| pr_err("Could not request wl12xx irq gpio: %d\n", ret); |
| goto free_wlan_en; |
| } |
| |
| da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ); |
| |
| ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data); |
| if (ret) { |
| pr_err("Could not set wl12xx data: %d\n", ret); |
| goto free_wlan_irq; |
| } |
| |
| return 0; |
| |
| free_wlan_irq: |
| gpio_free(DA850_WLAN_IRQ); |
| |
| free_wlan_en: |
| gpio_free(DA850_WLAN_EN); |
| |
| exit: |
| return ret; |
| } |
| |
| #else /* CONFIG_DA850_WL12XX */ |
| |
| static __init int da850_wl12xx_init(void) |
| { |
| return 0; |
| } |
| |
| #endif /* CONFIG_DA850_WL12XX */ |
| |
| #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) |
| |
| static __init void da850_evm_init(void) |
| { |
| int ret; |
| |
| ret = pmic_tps65070_init(); |
| if (ret) |
| pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n", |
| ret); |
| |
| ret = da850_register_edma(da850_edma_rsv); |
| if (ret) |
| pr_warning("da850_evm_init: edma registration failed: %d\n", |
| ret); |
| |
| ret = davinci_cfg_reg_list(da850_i2c0_pins); |
| if (ret) |
| pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", |
| ret); |
| |
| ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); |
| if (ret) |
| pr_warning("da850_evm_init: i2c0 registration failed: %d\n", |
| ret); |
| |
| |
| ret = da8xx_register_watchdog(); |
| if (ret) |
| pr_warning("da830_evm_init: watchdog registration failed: %d\n", |
| ret); |
| |
| if (HAS_MMC) { |
| ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins); |
| if (ret) |
| pr_warning("da850_evm_init: mmcsd0 mux setup failed:" |
| " %d\n", ret); |
| |
| ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n"); |
| if (ret) |
| pr_warning("da850_evm_init: can not open GPIO %d\n", |
| DA850_MMCSD_CD_PIN); |
| gpio_direction_input(DA850_MMCSD_CD_PIN); |
| |
| ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n"); |
| if (ret) |
| pr_warning("da850_evm_init: can not open GPIO %d\n", |
| DA850_MMCSD_WP_PIN); |
| gpio_direction_input(DA850_MMCSD_WP_PIN); |
| |
| ret = da8xx_register_mmcsd0(&da850_mmc_config); |
| if (ret) |
| pr_warning("da850_evm_init: mmcsd0 registration failed:" |
| " %d\n", ret); |
| |
| ret = da850_wl12xx_init(); |
| if (ret) |
| pr_warning("da850_evm_init: wl12xx initialization" |
| " failed: %d\n", ret); |
| } |
| |
| davinci_serial_init(&da850_evm_uart_config); |
| |
| i2c_register_board_info(1, da850_evm_i2c_devices, |
| ARRAY_SIZE(da850_evm_i2c_devices)); |
| |
| /* |
| * shut down uart 0 and 1; they are not used on the board and |
| * accessing them causes endless "too much work in irq53" messages |
| * with arago fs |
| */ |
| __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); |
| __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); |
| |
| ret = davinci_cfg_reg_list(da850_evm_mcasp_pins); |
| if (ret) |
| pr_warning("da850_evm_init: mcasp mux setup failed: %d\n", |
| ret); |
| |
| da8xx_register_mcasp(0, &da850_evm_snd_data); |
| |
| ret = davinci_cfg_reg_list(da850_lcdcntl_pins); |
| if (ret) |
| pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", |
| ret); |
| |
| /* Handle board specific muxing for LCD here */ |
| ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); |
| if (ret) |
| pr_warning("da850_evm_init: evm specific lcd mux setup " |
| "failed: %d\n", ret); |
| |
| ret = da850_lcd_hw_init(); |
| if (ret) |
| pr_warning("da850_evm_init: lcd initialization failed: %d\n", |
| ret); |
| |
| sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl, |
| ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata); |
| if (ret) |
| pr_warning("da850_evm_init: lcdc registration failed: %d\n", |
| ret); |
| |
| ret = da8xx_register_rtc(); |
| if (ret) |
| pr_warning("da850_evm_init: rtc setup failed: %d\n", ret); |
| |
| ret = da850_evm_init_cpufreq(); |
| if (ret) |
| pr_warning("da850_evm_init: cpufreq registration failed: %d\n", |
| ret); |
| |
| ret = da8xx_register_cpuidle(); |
| if (ret) |
| pr_warning("da850_evm_init: cpuidle registration failed: %d\n", |
| ret); |
| |
| ret = da850_register_pm(&da850_pm_device); |
| if (ret) |
| pr_warning("da850_evm_init: suspend registration failed: %d\n", |
| ret); |
| |
| ret = da8xx_register_spi(1, da850evm_spi_info, |
| ARRAY_SIZE(da850evm_spi_info)); |
| if (ret) |
| pr_warning("da850_evm_init: spi 1 registration failed: %d\n", |
| ret); |
| |
| ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE); |
| if (ret) |
| pr_warning("da850_evm_init: sata registration failed: %d\n", |
| ret); |
| |
| da850_evm_setup_mac_addr(); |
| } |
| |
| #ifdef CONFIG_SERIAL_8250_CONSOLE |
| static int __init da850_evm_console_init(void) |
| { |
| if (!machine_is_davinci_da850_evm()) |
| return 0; |
| |
| return add_preferred_console("ttyS", 2, "115200"); |
| } |
| console_initcall(da850_evm_console_init); |
| #endif |
| |
| static void __init da850_evm_map_io(void) |
| { |
| da850_init(); |
| } |
| |
| MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM") |
| .atag_offset = 0x100, |
| .map_io = da850_evm_map_io, |
| .init_irq = cp_intc_init, |
| .timer = &davinci_timer, |
| .init_machine = da850_evm_init, |
| .init_late = davinci_init_late, |
| .dma_zone_size = SZ_128M, |
| .restart = da8xx_restart, |
| MACHINE_END |