|  | /* | 
|  | *  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 <linux/platform_device.h> | 
|  | #include <linux/mtd/mtd.h> | 
|  | #include <linux/mtd/map.h> | 
|  | #include <linux/mtd/partitions.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/irq.h> | 
|  | #include <mach/common.h> | 
|  | #include <mach/hardware.h> | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/time.h> | 
|  | #include <asm/mach/map.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <mach/iomux-mx27.h> | 
|  | #include <mach/mxc_nand.h> | 
|  | #include <linux/i2c/pca953x.h> | 
|  |  | 
|  | #include "devices-imx27.h" | 
|  |  | 
|  | static const int mxt_td60_pins[] __initconst = { | 
|  | /* UART0 */ | 
|  | PE12_PF_UART1_TXD, | 
|  | PE13_PF_UART1_RXD, | 
|  | PE14_PF_UART1_CTS, | 
|  | PE15_PF_UART1_RTS, | 
|  | /* UART1 */ | 
|  | PE3_PF_UART2_CTS, | 
|  | PE4_PF_UART2_RTS, | 
|  | PE6_PF_UART2_TXD, | 
|  | PE7_PF_UART2_RXD, | 
|  | /* UART2 */ | 
|  | PE8_PF_UART3_TXD, | 
|  | PE9_PF_UART3_RXD, | 
|  | PE10_PF_UART3_CTS, | 
|  | PE11_PF_UART3_RTS, | 
|  | /* FEC */ | 
|  | PD0_AIN_FEC_TXD0, | 
|  | PD1_AIN_FEC_TXD1, | 
|  | PD2_AIN_FEC_TXD2, | 
|  | PD3_AIN_FEC_TXD3, | 
|  | PD4_AOUT_FEC_RX_ER, | 
|  | PD5_AOUT_FEC_RXD1, | 
|  | PD6_AOUT_FEC_RXD2, | 
|  | PD7_AOUT_FEC_RXD3, | 
|  | PD8_AF_FEC_MDIO, | 
|  | PD9_AIN_FEC_MDC, | 
|  | PD10_AOUT_FEC_CRS, | 
|  | PD11_AOUT_FEC_TX_CLK, | 
|  | PD12_AOUT_FEC_RXD0, | 
|  | PD13_AOUT_FEC_RX_DV, | 
|  | PD14_AOUT_FEC_RX_CLK, | 
|  | PD15_AOUT_FEC_COL, | 
|  | PD16_AIN_FEC_TX_ER, | 
|  | PF23_AIN_FEC_TX_EN, | 
|  | /* I2C1 */ | 
|  | PD17_PF_I2C_DATA, | 
|  | PD18_PF_I2C_CLK, | 
|  | /* I2C2 */ | 
|  | PC5_PF_I2C2_SDA, | 
|  | PC6_PF_I2C2_SCL, | 
|  | /* FB */ | 
|  | 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, | 
|  | PA23_PF_LD17, | 
|  | PA25_PF_CLS, | 
|  | PA27_PF_SPL_SPR, | 
|  | PA28_PF_HSYNC, | 
|  | PA29_PF_VSYNC, | 
|  | PA30_PF_CONTRAST, | 
|  | PA31_PF_OE_ACD, | 
|  | /* OWIRE */ | 
|  | PE16_AF_OWIRE, | 
|  | /* SDHC1*/ | 
|  | PE18_PF_SD1_D0, | 
|  | PE19_PF_SD1_D1, | 
|  | PE20_PF_SD1_D2, | 
|  | PE21_PF_SD1_D3, | 
|  | PE22_PF_SD1_CMD, | 
|  | PE23_PF_SD1_CLK, | 
|  | PF8_AF_ATA_IORDY, | 
|  | /* SDHC2*/ | 
|  | PB4_PF_SD2_D0, | 
|  | PB5_PF_SD2_D1, | 
|  | PB6_PF_SD2_D2, | 
|  | PB7_PF_SD2_D3, | 
|  | PB8_PF_SD2_CMD, | 
|  | PB9_PF_SD2_CLK, | 
|  | }; | 
|  |  | 
|  | static const struct mxc_nand_platform_data | 
|  | mxt_td60_nand_board_info __initconst = { | 
|  | .width = 1, | 
|  | .hw_ecc = 1, | 
|  | }; | 
|  |  | 
|  | static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = { | 
|  | .bitrate = 100000, | 
|  | }; | 
|  |  | 
|  | /* PCA9557 */ | 
|  | static int mxt_td60_pca9557_setup(struct i2c_client *client, | 
|  | unsigned gpio_base, unsigned ngpio, | 
|  | void *context) | 
|  | { | 
|  | static int mxt_td60_gpio_value[] = { | 
|  | -1, -1, -1, -1, -1, -1, -1, 1 | 
|  | }; | 
|  | int n; | 
|  |  | 
|  | for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) { | 
|  | gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp"); | 
|  | if (mxt_td60_gpio_value[n] < 0) | 
|  | gpio_direction_input(gpio_base + n); | 
|  | else | 
|  | gpio_direction_output(gpio_base + n, | 
|  | mxt_td60_gpio_value[n]); | 
|  | gpio_export(gpio_base + n, 0); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct pca953x_platform_data mxt_td60_pca9557_pdata = { | 
|  | .gpio_base	= 240, /* place PCA9557 after all MX27 gpio pins */ | 
|  | .invert		= 0, /* Do not invert */ | 
|  | .setup		= mxt_td60_pca9557_setup, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info mxt_td60_i2c_devices[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("pca9557", 0x18), | 
|  | .platform_data = &mxt_td60_pca9557_pdata, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = { | 
|  | .bitrate = 100000, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info mxt_td60_i2c2_devices[] = { | 
|  | }; | 
|  |  | 
|  | static struct imx_fb_videomode mxt_td60_modes[] = { | 
|  | { | 
|  | .mode = { | 
|  | .name		= "Chimei LW700AT9003", | 
|  | .refresh	= 60, | 
|  | .xres		= 800, | 
|  | .yres		= 480, | 
|  | .pixclock	= 30303, | 
|  | .hsync_len	= 64, | 
|  | .left_margin	= 0x67, | 
|  | .right_margin	= 0x68, | 
|  | .vsync_len	= 16, | 
|  | .upper_margin	= 0x0f, | 
|  | .lower_margin	= 0x0f, | 
|  | }, | 
|  | .bpp		= 16, | 
|  | .pcr		= 0xFA208B83, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct imx_fb_platform_data mxt_td60_fb_data __initconst = { | 
|  | .mode = mxt_td60_modes, | 
|  | .num_modes = ARRAY_SIZE(mxt_td60_modes), | 
|  |  | 
|  | /* | 
|  | * - HSYNC active high | 
|  | * - VSYNC active high | 
|  | * - clk notenabled while idle | 
|  | * - clock inverted | 
|  | * - data not inverted | 
|  | * - data enable low active | 
|  | * - enable sharp mode | 
|  | */ | 
|  | .pwmr		= 0x00A903FF, | 
|  | .lscr1		= 0x00120300, | 
|  | .dmacr		= 0x00020010, | 
|  | }; | 
|  |  | 
|  | static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq, | 
|  | void *data) | 
|  | { | 
|  | return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING, | 
|  | "sdhc1-card-detect", data); | 
|  | } | 
|  |  | 
|  | static void mxt_td60_sdhc1_exit(struct device *dev, void *data) | 
|  | { | 
|  | free_irq(IRQ_GPIOF(8), data); | 
|  | } | 
|  |  | 
|  | static const struct imxmmc_platform_data sdhc1_pdata __initconst = { | 
|  | .init = mxt_td60_sdhc1_init, | 
|  | .exit = mxt_td60_sdhc1_exit, | 
|  | }; | 
|  |  | 
|  | static const struct imxuart_platform_data uart_pdata __initconst = { | 
|  | .flags = IMXUART_HAVE_RTSCTS, | 
|  | }; | 
|  |  | 
|  | static void __init mxt_td60_board_init(void) | 
|  | { | 
|  | mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins), | 
|  | "MXT_TD60"); | 
|  |  | 
|  | imx27_add_imx_uart0(&uart_pdata); | 
|  | imx27_add_imx_uart1(&uart_pdata); | 
|  | imx27_add_imx_uart2(&uart_pdata); | 
|  | imx27_add_mxc_nand(&mxt_td60_nand_board_info); | 
|  |  | 
|  | i2c_register_board_info(0, mxt_td60_i2c_devices, | 
|  | ARRAY_SIZE(mxt_td60_i2c_devices)); | 
|  |  | 
|  | i2c_register_board_info(1, mxt_td60_i2c2_devices, | 
|  | ARRAY_SIZE(mxt_td60_i2c2_devices)); | 
|  |  | 
|  | imx27_add_imx_i2c(0, &mxt_td60_i2c0_data); | 
|  | imx27_add_imx_i2c(1, &mxt_td60_i2c1_data); | 
|  | imx27_add_imx_fb(&mxt_td60_fb_data); | 
|  | imx27_add_mxc_mmc(0, &sdhc1_pdata); | 
|  | imx27_add_fec(NULL); | 
|  | } | 
|  |  | 
|  | static void __init mxt_td60_timer_init(void) | 
|  | { | 
|  | mx27_clocks_init(26000000); | 
|  | } | 
|  |  | 
|  | static struct sys_timer mxt_td60_timer = { | 
|  | .init	= mxt_td60_timer_init, | 
|  | }; | 
|  |  | 
|  | MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60") | 
|  | /* maintainer: Maxtrack Industrial */ | 
|  | .boot_params	= MX27_PHYS_OFFSET + 0x100, | 
|  | .map_io		= mx27_map_io, | 
|  | .init_irq	= mx27_init_irq, | 
|  | .init_machine	= mxt_td60_board_init, | 
|  | .timer		= &mxt_td60_timer, | 
|  | MACHINE_END | 
|  |  |