diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mxt_td60.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mxt_td60.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mxt_td60.c b/arch/arm/mach-imx/mach-mxt_td60.c new file mode 100644 index 000000000000..a3a1e452d4c5 --- /dev/null +++ b/arch/arm/mach-imx/mach-mxt_td60.c @@ -0,0 +1,285 @@ +/* + * 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 <mach/imxfb.h> +#include <mach/mmc.h> + +#include "devices-imx27.h" +#include "devices.h" + +static unsigned int mxt_td60_pins[] __initdata = { + /* 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 struct imx_fb_platform_data mxt_td60_fb_data = { + .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 struct imxmmc_platform_data sdhc1_pdata = { + .init = mxt_td60_sdhc1_init, + .exit = mxt_td60_sdhc1_exit, +}; + +static struct platform_device *platform_devices[] __initdata = { + &mxc_fec_device, +}; + +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_i2c_imx0(&mxt_td60_i2c0_data); + imx27_add_i2c_imx1(&mxt_td60_i2c1_data); + mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data); + mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); +} + +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 */ + .phys_io = MX27_AIPI_BASE_ADDR, + .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .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 + |