diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-davinci/board-da850-evm.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-davinci/board-da850-evm.c | 1416 |
1 files changed, 0 insertions, 1416 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-davinci/board-da850-evm.c b/ANDROID_3.4.5/arch/arm/mach-davinci/board-da850-evm.c deleted file mode 100644 index a70de24d..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-davinci/board-da850-evm.c +++ /dev/null @@ -1,1416 +0,0 @@ -/* - * 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[] __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 -}; - -#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, - .dma_zone_size = SZ_128M, - .restart = da8xx_restart, -MACHINE_END |