/* * Copyright (C) 2000 Deep Blue Solutions Ltd * Copyright (C) 2002 Shane Nay (shane@minirl.com) * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "devices-imx21.h" #include "hardware.h" #include "iomux-mx21.h" #define MX21ADS_CS8900A_REG (MX21_CS1_BASE_ADDR + 0x000000) #define MX21ADS_ST16C255_IOBASE_REG (MX21_CS1_BASE_ADDR + 0x200000) #define MX21ADS_VERSION_REG (MX21_CS1_BASE_ADDR + 0x400000) #define MX21ADS_IO_REG (MX21_CS1_BASE_ADDR + 0x800000) #define MX21ADS_MMC_CD IMX_GPIO_NR(4, 25) #define MX21ADS_CS8900A_IRQ_GPIO IMX_GPIO_NR(5, 11) #define MX21ADS_MMGPIO_BASE (6 * 32) /* MX21ADS_IO_REG bit definitions */ #define MX21ADS_IO_SD_WP (MX21ADS_MMGPIO_BASE + 0) #define MX21ADS_IO_TP6 (MX21ADS_IO_SD_WP) #define MX21ADS_IO_SW_SEL (MX21ADS_MMGPIO_BASE + 1) #define MX21ADS_IO_TP7 (MX21ADS_IO_SW_SEL) #define MX21ADS_IO_RESET_E_UART (MX21ADS_MMGPIO_BASE + 2) #define MX21ADS_IO_RESET_BASE (MX21ADS_MMGPIO_BASE + 3) #define MX21ADS_IO_CSI_CTL2 (MX21ADS_MMGPIO_BASE + 4) #define MX21ADS_IO_CSI_CTL1 (MX21ADS_MMGPIO_BASE + 5) #define MX21ADS_IO_CSI_CTL0 (MX21ADS_MMGPIO_BASE + 6) #define MX21ADS_IO_UART1_EN (MX21ADS_MMGPIO_BASE + 7) #define MX21ADS_IO_UART4_EN (MX21ADS_MMGPIO_BASE + 8) #define MX21ADS_IO_LCDON (MX21ADS_MMGPIO_BASE + 9) #define MX21ADS_IO_IRDA_EN (MX21ADS_MMGPIO_BASE + 10) #define MX21ADS_IO_IRDA_FIR_SEL (MX21ADS_MMGPIO_BASE + 11) #define MX21ADS_IO_IRDA_MD0_B (MX21ADS_MMGPIO_BASE + 12) #define MX21ADS_IO_IRDA_MD1 (MX21ADS_MMGPIO_BASE + 13) #define MX21ADS_IO_LED4_ON (MX21ADS_MMGPIO_BASE + 14) #define MX21ADS_IO_LED3_ON (MX21ADS_MMGPIO_BASE + 15) static const int mx21ads_pins[] __initconst = { /* CS8900A */ (GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11), /* UART1 */ PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, /* UART3 (IrDA) - only TXD and RXD */ PE8_PF_UART3_TXD, PE9_PF_UART3_RXD, /* UART4 */ PB26_AF_UART4_RTS, PB28_AF_UART4_TXD, PB29_AF_UART4_CTS, PB31_AF_UART4_RXD, /* LCDC */ PA5_PF_LSCLK, PA6_PF_LD0, PA7_PF_LD1, PA8_PF_LD2, PA9_PF_LD3, PA10_PF_LD4, PA11_PF_LD5, PA12_PF_LD6, PA13_PF_LD7, PA14_PF_LD8, PA15_PF_LD9, PA16_PF_LD10, PA17_PF_LD11, PA18_PF_LD12, PA19_PF_LD13, PA20_PF_LD14, PA21_PF_LD15, PA22_PF_LD16, PA24_PF_REV, /* Sharp panel dedicated signal */ PA25_PF_CLS, /* Sharp panel dedicated signal */ PA26_PF_PS, /* Sharp panel dedicated signal */ PA27_PF_SPL_SPR, /* Sharp panel dedicated signal */ PA28_PF_HSYNC, PA29_PF_VSYNC, PA30_PF_CONTRAST, PA31_PF_OE_ACD, /* MMC/SDHC */ PE18_PF_SD1_D0, PE19_PF_SD1_D1, PE20_PF_SD1_D2, PE21_PF_SD1_D3, PE22_PF_SD1_CMD, PE23_PF_SD1_CLK, /* NFC */ PF0_PF_NRFB, PF1_PF_NFCE, PF2_PF_NFWP, PF3_PF_NFCLE, PF4_PF_NFALE, PF5_PF_NFRE, PF6_PF_NFWE, PF7_PF_NFIO0, PF8_PF_NFIO1, PF9_PF_NFIO2, PF10_PF_NFIO3, PF11_PF_NFIO4, PF12_PF_NFIO5, PF13_PF_NFIO6, PF14_PF_NFIO7, }; /* ADS's NOR flash: 2x AM29BDS128HE9VKI on 32-bit bus */ static struct physmap_flash_data mx21ads_flash_data = { .width = 4, }; static struct resource mx21ads_flash_resource = { .start = MX21_CS0_BASE_ADDR, .end = MX21_CS0_BASE_ADDR + 0x02000000 - 1, .flags = IORESOURCE_MEM, }; static struct platform_device mx21ads_nor_mtd_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &mx21ads_flash_data, }, .num_resources = 1, .resource = &mx21ads_flash_resource, }; static struct resource mx21ads_cs8900_resources[] __initdata = { DEFINE_RES_MEM(MX21_CS1_BASE_ADDR, SZ_1K), /* irq number is run-time assigned */ DEFINE_RES_IRQ(-1), }; static const struct platform_device_info mx21ads_cs8900_devinfo __initconst = { .name = "cs89x0", .id = 0, .res = mx21ads_cs8900_resources, .num_res = ARRAY_SIZE(mx21ads_cs8900_resources), }; static const struct imxuart_platform_data uart_pdata_rts __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static const struct imxuart_platform_data uart_pdata_norts __initconst = { }; static struct resource mx21ads_mmgpio_resource = DEFINE_RES_MEM_NAMED(MX21ADS_IO_REG, SZ_2, "dat"); static struct bgpio_pdata mx21ads_mmgpio_pdata = { .base = MX21ADS_MMGPIO_BASE, .ngpio = 16, }; static struct platform_device mx21ads_mmgpio = { .name = "basic-mmio-gpio", .id = PLATFORM_DEVID_AUTO, .resource = &mx21ads_mmgpio_resource, .num_resources = 1, .dev = { .platform_data = &mx21ads_mmgpio_pdata, }, }; static struct regulator_consumer_supply mx21ads_lcd_regulator_consumer = REGULATOR_SUPPLY("lcd", "imx-fb.0"); static struct regulator_init_data mx21ads_lcd_regulator_init_data = { .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .consumer_supplies = &mx21ads_lcd_regulator_consumer, .num_consumer_supplies = 1, }; static struct fixed_voltage_config mx21ads_lcd_regulator_pdata = { .supply_name = "LCD", .microvolts = 3300000, .gpio = MX21ADS_IO_LCDON, .enable_high = 1, .init_data = &mx21ads_lcd_regulator_init_data, }; static struct platform_device mx21ads_lcd_regulator = { .name = "reg-fixed-voltage", .id = PLATFORM_DEVID_AUTO, .dev = { .platform_data = &mx21ads_lcd_regulator_pdata, }, }; /* * Connected is a portrait Sharp-QVGA display * of type: LQ035Q7DB02 */ static struct imx_fb_videomode mx21ads_modes[] = { { .mode = { .name = "Sharp-LQ035Q7", .refresh = 60, .xres = 240, .yres = 320, .pixclock = 188679, /* in ps (5.3MHz) */ .hsync_len = 2, .left_margin = 6, .right_margin = 16, .vsync_len = 1, .upper_margin = 8, .lower_margin = 10, }, .pcr = 0xfb108bc7, .bpp = 16, }, }; static const struct imx_fb_platform_data mx21ads_fb_data __initconst = { .mode = mx21ads_modes, .num_modes = ARRAY_SIZE(mx21ads_modes), .pwmr = 0x00a903ff, .lscr1 = 0x00120300, .dmacr = 0x00020008, }; static int mx21ads_sdhc_get_ro(struct device *dev) { return gpio_get_value(MX21ADS_IO_SD_WP); } static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq, void *data) { int ret; ret = gpio_request(MX21ADS_IO_SD_WP, "mmc-ro"); if (ret) return ret; return request_irq(gpio_to_irq(MX21ADS_MMC_CD), detect_irq, IRQF_TRIGGER_FALLING, "mmc-detect", data); } static void mx21ads_sdhc_exit(struct device *dev, void *data) { free_irq(gpio_to_irq(MX21ADS_MMC_CD), data); gpio_free(MX21ADS_IO_SD_WP); } static const struct imxmmc_platform_data mx21ads_sdhc_pdata __initconst = { .ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */ .get_ro = mx21ads_sdhc_get_ro, .init = mx21ads_sdhc_init, .exit = mx21ads_sdhc_exit, }; static const struct mxc_nand_platform_data mx21ads_nand_board_info __initconst = { .width = 1, .hw_ecc = 1, }; static struct platform_device *platform_devices[] __initdata = { &mx21ads_mmgpio, &mx21ads_lcd_regulator, &mx21ads_nor_mtd_device, }; static void __init mx21ads_board_init(void) { imx21_soc_init(); mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins), "mx21ads"); imx21_add_imx_uart0(&uart_pdata_rts); imx21_add_imx_uart2(&uart_pdata_norts); imx21_add_imx_uart3(&uart_pdata_rts); imx21_add_mxc_mmc(0, &mx21ads_sdhc_pdata); imx21_add_mxc_nand(&mx21ads_nand_board_info); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); imx21_add_imx_fb(&mx21ads_fb_data); mx21ads_cs8900_resources[1].start = gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO); mx21ads_cs8900_resources[1].end = gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO); platform_device_register_full(&mx21ads_cs8900_devinfo); } static void __init mx21ads_timer_init(void) { mx21_clocks_init(32768, 26000000); } MACHINE_START(MX21ADS, "Freescale i.MX21ADS") /* maintainer: Freescale Semiconductor, Inc. */ .atag_offset = 0x100, .map_io = mx21_map_io, .init_early = imx21_init_early, .init_irq = mx21_init_irq, .handle_irq = imx21_handle_irq, .init_time = mx21ads_timer_init, .init_machine = mx21ads_board_init, .restart = mxc_restart, MACHINE_END