arch/arm/mach-imx/mach-mxt_td60.c - nest-learning-thermostat/5.6.2/linux - Git at Google

 /*
  *  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 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 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 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);
 	mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
 	mxc_register_device(&mxc_sdhc_device0, &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
	/*
	* 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 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 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 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);
	mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
	mxc_register_device(&mxc_sdhc_device0, &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