arch/arm/mach-mx5/board-mx53_loco.c - kernel/mindspeed - Git at Google

 /*
  * Copyright (C) 2011 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.

  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */

 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/i2c.h>

 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/iomux-mx53.h>

 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>

 #include "crm_regs.h"
 #include "devices-imx53.h"

 #define MX53_LOCO_POWER			IMX_GPIO_NR(1, 8)
 #define MX53_LOCO_UI1			IMX_GPIO_NR(2, 14)
 #define MX53_LOCO_UI2			IMX_GPIO_NR(2, 15)
 #define LOCO_FEC_PHY_RST		IMX_GPIO_NR(7, 6)
 #define LOCO_LED			IMX_GPIO_NR(7, 7)
 #define LOCO_SD3_CD			IMX_GPIO_NR(3, 11)
 #define LOCO_SD3_WP			IMX_GPIO_NR(3, 12)
 #define LOCO_SD1_CD			IMX_GPIO_NR(3, 13)
 #define LOCO_ACCEL_EN			IMX_GPIO_NR(6, 14)

 static iomux_v3_cfg_t mx53_loco_pads[] = {
 	/* FEC */
 	MX53_PAD_FEC_MDC__FEC_MDC,
 	MX53_PAD_FEC_MDIO__FEC_MDIO,
 	MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
 	MX53_PAD_FEC_RX_ER__FEC_RX_ER,
 	MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
 	MX53_PAD_FEC_RXD1__FEC_RDATA_1,
 	MX53_PAD_FEC_RXD0__FEC_RDATA_0,
 	MX53_PAD_FEC_TX_EN__FEC_TX_EN,
 	MX53_PAD_FEC_TXD1__FEC_TDATA_1,
 	MX53_PAD_FEC_TXD0__FEC_TDATA_0,
 	/* FEC_nRST */
 	MX53_PAD_PATA_DA_0__GPIO7_6,
 	/* FEC_nINT */
 	MX53_PAD_PATA_DATA4__GPIO2_4,
 	/* AUDMUX5 */
 	MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
 	MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
 	MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
 	MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
 	/* I2C1 */
 	MX53_PAD_CSI0_DAT8__I2C1_SDA,
 	MX53_PAD_CSI0_DAT9__I2C1_SCL,
 	MX53_PAD_NANDF_CS1__GPIO6_14,	/* Accelerometer Enable */
 	/* I2C2 */
 	MX53_PAD_KEY_COL3__I2C2_SCL,
 	MX53_PAD_KEY_ROW3__I2C2_SDA,
 	/* SD1 */
 	MX53_PAD_SD1_CMD__ESDHC1_CMD,
 	MX53_PAD_SD1_CLK__ESDHC1_CLK,
 	MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
 	MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
 	MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
 	MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
 	/* SD1_CD */
 	MX53_PAD_EIM_DA13__GPIO3_13,
 	/* SD3 */
 	MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
 	MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
 	MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
 	MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
 	MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
 	MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
 	MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
 	MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
 	MX53_PAD_PATA_IORDY__ESDHC3_CLK,
 	MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
 	/* SD3_CD */
 	MX53_PAD_EIM_DA11__GPIO3_11,
 	/* SD3_WP */
 	MX53_PAD_EIM_DA12__GPIO3_12,
 	/* VGA */
 	MX53_PAD_EIM_OE__IPU_DI1_PIN7,
 	MX53_PAD_EIM_RW__IPU_DI1_PIN8,
 	/* DISPLB */
 	MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
 	MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
 	MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
 	MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
 	/* DISP0_POWER_EN */
 	MX53_PAD_EIM_D24__GPIO3_24,
 	/* DISP0 DET INT */
 	MX53_PAD_EIM_D31__GPIO3_31,
 	/* LVDS */
 	MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
 	MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
 	MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
 	MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
 	MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
 	MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
 	MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
 	MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
 	MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
 	MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
 	/* I2C1 */
 	MX53_PAD_CSI0_DAT8__I2C1_SDA,
 	MX53_PAD_CSI0_DAT9__I2C1_SCL,
 	/* UART1 */
 	MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
 	MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
 	/* CSI0 */
 	MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
 	MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
 	MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
 	MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
 	MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
 	MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
 	MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
 	MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
 	MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
 	MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
 	MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
 	/* DISPLAY */
 	MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
 	MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
 	MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
 	MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
 	MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
 	MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
 	MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
 	MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
 	MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
 	MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
 	MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
 	MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
 	MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
 	MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
 	MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
 	MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
 	MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
 	MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
 	MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
 	MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
 	MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
 	MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
 	MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
 	MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
 	MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
 	MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
 	MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
 	MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
 	/* Audio CLK*/
 	MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
 	/* PWM */
 	MX53_PAD_GPIO_1__PWM2_PWMO,
 	/* SPDIF */
 	MX53_PAD_GPIO_7__SPDIF_PLOCK,
 	MX53_PAD_GPIO_17__SPDIF_OUT1,
 	/* GPIO */
 	MX53_PAD_PATA_DA_1__GPIO7_7,		/* LED */
 	MX53_PAD_PATA_DA_2__GPIO7_8,
 	MX53_PAD_PATA_DATA5__GPIO2_5,
 	MX53_PAD_PATA_DATA6__GPIO2_6,
 	MX53_PAD_PATA_DATA14__GPIO2_14,
 	MX53_PAD_PATA_DATA15__GPIO2_15,
 	MX53_PAD_PATA_INTRQ__GPIO7_2,
 	MX53_PAD_EIM_WAIT__GPIO5_0,
 	MX53_PAD_NANDF_WP_B__GPIO6_9,
 	MX53_PAD_NANDF_RB0__GPIO6_10,
 	MX53_PAD_NANDF_CS1__GPIO6_14,
 	MX53_PAD_NANDF_CS2__GPIO6_15,
 	MX53_PAD_NANDF_CS3__GPIO6_16,
 	MX53_PAD_GPIO_5__GPIO1_5,
 	MX53_PAD_GPIO_16__GPIO7_11,
 	MX53_PAD_GPIO_8__GPIO1_8,
 };

 #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake)	\
 {								\
 	.gpio		= gpio_num,				\
 	.type		= EV_KEY,				\
 	.code		= ev_code,				\
 	.active_low	= act_low,				\
 	.desc		= "btn " descr,				\
 	.wakeup		= wake,					\
 }

 static struct gpio_keys_button loco_buttons[] = {
 	GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
 	GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
 	GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
 };

 static const struct gpio_keys_platform_data loco_button_data __initconst = {
 	.buttons        = loco_buttons,
 	.nbuttons       = ARRAY_SIZE(loco_buttons),
 };

 static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
 	.cd_gpio = LOCO_SD1_CD,
 	.cd_type = ESDHC_CD_GPIO,
 	.wp_type = ESDHC_WP_NONE,
 };

 static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
 	.cd_gpio = LOCO_SD3_CD,
 	.wp_gpio = LOCO_SD3_WP,
 	.cd_type = ESDHC_CD_GPIO,
 	.wp_type = ESDHC_WP_GPIO,
 };

 static inline void mx53_loco_fec_reset(void)
 {
 	int ret;

 	/* reset FEC PHY */
 	ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
 	if (ret) {
 		printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
 		return;
 	}
 	gpio_direction_output(LOCO_FEC_PHY_RST, 0);
 	msleep(1);
 	gpio_set_value(LOCO_FEC_PHY_RST, 1);
 }

 static const struct fec_platform_data mx53_loco_fec_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };

 static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
 	.bitrate = 100000,
 };

 static const struct gpio_led mx53loco_leds[] __initconst = {
 	{
 		.name			= "green",
 		.default_trigger	= "heartbeat",
 		.gpio			= LOCO_LED,
 	},
 };

 static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
 	.leds		= mx53loco_leds,
 	.num_leds	= ARRAY_SIZE(mx53loco_leds),
 };

 void __init imx53_qsb_common_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
 					 ARRAY_SIZE(mx53_loco_pads));
 }

 static struct i2c_board_info mx53loco_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("mma8450", 0x1C),
 	},
 };

 static void __init mx53_loco_board_init(void)
 {
 	int ret;
 	imx53_soc_init();
 	imx53_qsb_common_init();

 	imx53_add_imx_uart(0, NULL);
 	mx53_loco_fec_reset();
 	imx53_add_fec(&mx53_loco_fec_data);
 	imx53_add_imx2_wdt(0, NULL);

 	ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
 	if (ret)
 		pr_err("Cannot request ACCEL_EN pin: %d\n", ret);

 	i2c_register_board_info(0, mx53loco_i2c_devices,
 				ARRAY_SIZE(mx53loco_i2c_devices));
 	imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
 	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
 	imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
 	imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
 	imx_add_gpio_keys(&loco_button_data);
 	gpio_led_register_device(-1, &mx53loco_leds_data);
 	imx53_add_ahci_imx();
 }

 static void __init mx53_loco_timer_init(void)
 {
 	mx53_clocks_init(32768, 24000000, 0, 0);
 }

 static struct sys_timer mx53_loco_timer = {
 	.init	= mx53_loco_timer_init,
 };

 MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
 	.map_io = mx53_map_io,
 	.init_early = imx53_init_early,
 	.init_irq = mx53_init_irq,
 	.handle_irq = imx53_handle_irq,
 	.timer = &mx53_loco_timer,
 	.init_machine = mx53_loco_board_init,
 MACHINE_END
	/*
	* Copyright (C) 2011 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.

	* You should have received a copy of the GNU General Public License along
	* with this program; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	*/

	#include <linux/init.h>
	#include <linux/clk.h>
	#include <linux/delay.h>
	#include <linux/gpio.h>
	#include <linux/i2c.h>

	#include <mach/common.h>
	#include <mach/hardware.h>
	#include <mach/iomux-mx53.h>

	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/time.h>

	#include "crm_regs.h"
	#include "devices-imx53.h"

	#define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
	#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
	#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
	#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
	#define LOCO_LED IMX_GPIO_NR(7, 7)
	#define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
	#define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
	#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
	#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)

	static iomux_v3_cfg_t mx53_loco_pads[] = {
	/* FEC */
	MX53_PAD_FEC_MDC__FEC_MDC,
	MX53_PAD_FEC_MDIO__FEC_MDIO,
	MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
	MX53_PAD_FEC_RX_ER__FEC_RX_ER,
	MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
	MX53_PAD_FEC_RXD1__FEC_RDATA_1,
	MX53_PAD_FEC_RXD0__FEC_RDATA_0,
	MX53_PAD_FEC_TX_EN__FEC_TX_EN,
	MX53_PAD_FEC_TXD1__FEC_TDATA_1,
	MX53_PAD_FEC_TXD0__FEC_TDATA_0,
	/* FEC_nRST */
	MX53_PAD_PATA_DA_0__GPIO7_6,
	/* FEC_nINT */
	MX53_PAD_PATA_DATA4__GPIO2_4,
	/* AUDMUX5 */
	MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
	MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
	MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
	MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
	/* I2C1 */
	MX53_PAD_CSI0_DAT8__I2C1_SDA,
	MX53_PAD_CSI0_DAT9__I2C1_SCL,
	MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */
	/* I2C2 */
	MX53_PAD_KEY_COL3__I2C2_SCL,
	MX53_PAD_KEY_ROW3__I2C2_SDA,
	/* SD1 */
	MX53_PAD_SD1_CMD__ESDHC1_CMD,
	MX53_PAD_SD1_CLK__ESDHC1_CLK,
	MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
	MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
	MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
	MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
	/* SD1_CD */
	MX53_PAD_EIM_DA13__GPIO3_13,
	/* SD3 */
	MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
	MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
	MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
	MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
	MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
	MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
	MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
	MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
	MX53_PAD_PATA_IORDY__ESDHC3_CLK,
	MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
	/* SD3_CD */
	MX53_PAD_EIM_DA11__GPIO3_11,
	/* SD3_WP */
	MX53_PAD_EIM_DA12__GPIO3_12,
	/* VGA */
	MX53_PAD_EIM_OE__IPU_DI1_PIN7,
	MX53_PAD_EIM_RW__IPU_DI1_PIN8,
	/* DISPLB */
	MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
	MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
	MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
	MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
	/* DISP0_POWER_EN */
	MX53_PAD_EIM_D24__GPIO3_24,
	/* DISP0 DET INT */
	MX53_PAD_EIM_D31__GPIO3_31,
	/* LVDS */
	MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
	MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
	MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
	MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
	MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
	MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
	MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
	MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
	MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
	MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
	/* I2C1 */
	MX53_PAD_CSI0_DAT8__I2C1_SDA,
	MX53_PAD_CSI0_DAT9__I2C1_SCL,
	/* UART1 */
	MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
	MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
	/* CSI0 */
	MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
	MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
	MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
	MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
	MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
	MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
	MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
	MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
	MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
	MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
	MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
	/* DISPLAY */
	MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
	MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
	MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
	MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
	MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
	MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
	MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
	MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
	MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
	MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
	MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
	MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
	MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
	MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
	MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
	MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
	MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
	MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
	MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
	MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
	MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
	MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
	MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
	MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
	MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
	MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
	MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
	MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
	/* Audio CLK*/
	MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
	/* PWM */
	MX53_PAD_GPIO_1__PWM2_PWMO,
	/* SPDIF */
	MX53_PAD_GPIO_7__SPDIF_PLOCK,
	MX53_PAD_GPIO_17__SPDIF_OUT1,
	/* GPIO */
	MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */
	MX53_PAD_PATA_DA_2__GPIO7_8,
	MX53_PAD_PATA_DATA5__GPIO2_5,
	MX53_PAD_PATA_DATA6__GPIO2_6,
	MX53_PAD_PATA_DATA14__GPIO2_14,
	MX53_PAD_PATA_DATA15__GPIO2_15,
	MX53_PAD_PATA_INTRQ__GPIO7_2,
	MX53_PAD_EIM_WAIT__GPIO5_0,
	MX53_PAD_NANDF_WP_B__GPIO6_9,
	MX53_PAD_NANDF_RB0__GPIO6_10,
	MX53_PAD_NANDF_CS1__GPIO6_14,
	MX53_PAD_NANDF_CS2__GPIO6_15,
	MX53_PAD_NANDF_CS3__GPIO6_16,
	MX53_PAD_GPIO_5__GPIO1_5,
	MX53_PAD_GPIO_16__GPIO7_11,
	MX53_PAD_GPIO_8__GPIO1_8,
	};

	#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
	{ \
	.gpio = gpio_num, \
	.type = EV_KEY, \
	.code = ev_code, \
	.active_low = act_low, \
	.desc = "btn " descr, \
	.wakeup = wake, \
	}

	static struct gpio_keys_button loco_buttons[] = {
	GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
	GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
	GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
	};

	static const struct gpio_keys_platform_data loco_button_data __initconst = {
	.buttons = loco_buttons,
	.nbuttons = ARRAY_SIZE(loco_buttons),
	};

	static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
	.cd_gpio = LOCO_SD1_CD,
	.cd_type = ESDHC_CD_GPIO,
	.wp_type = ESDHC_WP_NONE,
	};

	static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
	.cd_gpio = LOCO_SD3_CD,
	.wp_gpio = LOCO_SD3_WP,
	.cd_type = ESDHC_CD_GPIO,
	.wp_type = ESDHC_WP_GPIO,
	};

	static inline void mx53_loco_fec_reset(void)
	{
	int ret;

	/* reset FEC PHY */
	ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
	if (ret) {
	printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
	return;
	}
	gpio_direction_output(LOCO_FEC_PHY_RST, 0);
	msleep(1);
	gpio_set_value(LOCO_FEC_PHY_RST, 1);
	}

	static const struct fec_platform_data mx53_loco_fec_data __initconst = {
	.phy = PHY_INTERFACE_MODE_RMII,
	};

	static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
	.bitrate = 100000,
	};

	static const struct gpio_led mx53loco_leds[] __initconst = {
	{
	.name = "green",
	.default_trigger = "heartbeat",
	.gpio = LOCO_LED,
	},
	};

	static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
	.leds = mx53loco_leds,
	.num_leds = ARRAY_SIZE(mx53loco_leds),
	};

	void __init imx53_qsb_common_init(void)
	{
	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
	ARRAY_SIZE(mx53_loco_pads));
	}

	static struct i2c_board_info mx53loco_i2c_devices[] = {
	{
	I2C_BOARD_INFO("mma8450", 0x1C),
	},
	};

	static void __init mx53_loco_board_init(void)
	{
	int ret;
	imx53_soc_init();
	imx53_qsb_common_init();

	imx53_add_imx_uart(0, NULL);
	mx53_loco_fec_reset();
	imx53_add_fec(&mx53_loco_fec_data);
	imx53_add_imx2_wdt(0, NULL);

	ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
	if (ret)
	pr_err("Cannot request ACCEL_EN pin: %d\n", ret);

	i2c_register_board_info(0, mx53loco_i2c_devices,
	ARRAY_SIZE(mx53loco_i2c_devices));
	imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
	imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
	imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
	imx_add_gpio_keys(&loco_button_data);
	gpio_led_register_device(-1, &mx53loco_leds_data);
	imx53_add_ahci_imx();
	}

	static void __init mx53_loco_timer_init(void)
	{
	mx53_clocks_init(32768, 24000000, 0, 0);
	}

	static struct sys_timer mx53_loco_timer = {
	.init = mx53_loco_timer_init,
	};

	MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
	.map_io = mx53_map_io,
	.init_early = imx53_init_early,
	.init_irq = mx53_init_irq,
	.handle_irq = imx53_handle_irq,
	.timer = &mx53_loco_timer,
	.init_machine = mx53_loco_board_init,
	MACHINE_END