[deliverable/linux.git] / arch / arm / mach-mx5 / board-mx51_efikamx.c

/*
 * Copyright (C) 2010 Linaro Limited
 *
 * based on code from the following
 * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved.
 * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved.
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/input.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/fsl_devices.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>

#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx51.h>
#include <mach/i2c.h>
#include <mach/mxc_ehci.h>

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

#include "devices-imx51.h"
#include "devices.h"

#define	MX51_USB_PLL_DIV_24_MHZ	0x01

#define EFIKAMX_PCBID0		(2*32 + 16)
#define EFIKAMX_PCBID1		(2*32 + 17)
#define EFIKAMX_PCBID2		(2*32 + 11)

#define EFIKAMX_BLUE_LED	(2*32 + 13)
#define EFIKAMX_GREEN_LED	(2*32 + 14)
#define EFIKAMX_RED_LED		(2*32 + 15)

#define EFIKAMX_POWER_KEY	(1*32 + 31)

#define EFIKAMX_SPI_CS0		(3*32 + 24)
#define EFIKAMX_SPI_CS1		(3*32 + 25)

/* board 1.1 doesn't have same reset gpio */
#define EFIKAMX_RESET1_1	(2*32 + 2)
#define EFIKAMX_RESET		(0*32 + 4)

/* the pci ids pin have pull up. they're driven low according to board id */
#define MX51_PAD_PCBID0	IOMUX_PAD(0x518, 0x130, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
#define MX51_PAD_PCBID1	IOMUX_PAD(0x51C, 0x134, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
#define MX51_PAD_PCBID2	IOMUX_PAD(0x504, 0x128, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
#define MX51_PAD_PWRKEY	IOMUX_PAD(0x48c, 0x0f8, 1, 0x0,   0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE)

static iomux_v3_cfg_t mx51efikamx_pads[] = {
	/* UART1 */
	MX51_PAD_UART1_RXD__UART1_RXD,
	MX51_PAD_UART1_TXD__UART1_TXD,
	MX51_PAD_UART1_RTS__UART1_RTS,
	MX51_PAD_UART1_CTS__UART1_CTS,
	/* board id */
	MX51_PAD_PCBID0,
	MX51_PAD_PCBID1,
	MX51_PAD_PCBID2,

	/* SD 1 */
	MX51_PAD_SD1_CMD__SD1_CMD,
	MX51_PAD_SD1_CLK__SD1_CLK,
	MX51_PAD_SD1_DATA0__SD1_DATA0,
	MX51_PAD_SD1_DATA1__SD1_DATA1,
	MX51_PAD_SD1_DATA2__SD1_DATA2,
	MX51_PAD_SD1_DATA3__SD1_DATA3,

	/* SD 2 */
	MX51_PAD_SD2_CMD__SD2_CMD,
	MX51_PAD_SD2_CLK__SD2_CLK,
	MX51_PAD_SD2_DATA0__SD2_DATA0,
	MX51_PAD_SD2_DATA1__SD2_DATA1,
	MX51_PAD_SD2_DATA2__SD2_DATA2,
	MX51_PAD_SD2_DATA3__SD2_DATA3,

	/* SD/MMC WP/CD */
	MX51_PAD_GPIO_1_0__ESDHC1_CD,
	MX51_PAD_GPIO_1_1__ESDHC1_WP,
	MX51_PAD_GPIO_1_7__ESDHC2_WP,
	MX51_PAD_GPIO_1_8__ESDHC2_CD,

	/* leds */
	MX51_PAD_CSI1_D9__GPIO_3_13,
	MX51_PAD_CSI1_VSYNC__GPIO_3_14,
	MX51_PAD_CSI1_HSYNC__GPIO_3_15,

	/* power key */
	MX51_PAD_PWRKEY,

	/* spi */
	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
	MX51_PAD_CSPI1_SS0__GPIO_4_24,
	MX51_PAD_CSPI1_SS1__GPIO_4_25,
	MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,

	/* reset */
	MX51_PAD_DI1_PIN13__GPIO_3_2,
	MX51_PAD_GPIO_1_4__GPIO_1_4,
};

/* Serial ports */
#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
static const struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static inline void mxc_init_imx_uart(void)
{
	imx51_add_imx_uart(0, &uart_pdata);
	imx51_add_imx_uart(1, &uart_pdata);
	imx51_add_imx_uart(2, &uart_pdata);
}
#else /* !SERIAL_IMX */
static inline void mxc_init_imx_uart(void)
{
}
#endif /* SERIAL_IMX */

/* This function is board specific as the bit mask for the plldiv will also
 * be different for other Freescale SoCs, thus a common bitmask is not
 * possible and cannot get place in /plat-mxc/ehci.c.
 */
static int initialize_otg_port(struct platform_device *pdev)
{
	u32 v;
	void __iomem *usb_base;
	void __iomem *usbother_base;
	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
	usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);

	/* Set the PHY clock to 19.2MHz */
	v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
	v |= MX51_USB_PLL_DIV_24_MHZ;
	__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	iounmap(usb_base);
	return 0;
}

static struct mxc_usbh_platform_data dr_utmi_config = {
	.init   = initialize_otg_port,
	.portsc = MXC_EHCI_UTMI_16BIT,
	.flags  = MXC_EHCI_INTERNAL_PHY,
};

/*   PCBID2  PCBID1 PCBID0  STATE
	1       1      1    ER1:rev1.1
	1       1      0    ER2:rev1.2
	1       0      1    ER3:rev1.3
	1       0      0    ER4:rev1.4
*/
static void __init mx51_efikamx_board_id(void)
{
	int id;

	/* things are taking time to settle */
	msleep(150);

	gpio_request(EFIKAMX_PCBID0, "pcbid0");
	gpio_direction_input(EFIKAMX_PCBID0);
	gpio_request(EFIKAMX_PCBID1, "pcbid1");
	gpio_direction_input(EFIKAMX_PCBID1);
	gpio_request(EFIKAMX_PCBID2, "pcbid2");
	gpio_direction_input(EFIKAMX_PCBID2);

	id = gpio_get_value(EFIKAMX_PCBID0);
	id |= gpio_get_value(EFIKAMX_PCBID1) << 1;
	id |= gpio_get_value(EFIKAMX_PCBID2) << 2;

	switch (id) {
	case 7:
		system_rev = 0x11;
		break;
	case 6:
		system_rev = 0x12;
		break;
	case 5:
		system_rev = 0x13;
		break;
	case 4:
		system_rev = 0x14;
		break;
	default:
		system_rev = 0x10;
		break;
	}

	if ((system_rev == 0x10)
		|| (system_rev == 0x12)
		|| (system_rev == 0x14)) {
		printk(KERN_WARNING
			"EfikaMX: Unsupported board revision 1.%u!\n",
			system_rev & 0xf);
	}
}

static struct gpio_led mx51_efikamx_leds[] = {
	{
		.name = "efikamx:green",
		.default_trigger = "default-on",
		.gpio = EFIKAMX_GREEN_LED,
	},
	{
		.name = "efikamx:red",
		.default_trigger = "ide-disk",
		.gpio = EFIKAMX_RED_LED,
	},
	{
		.name = "efikamx:blue",
		.default_trigger = "mmc0",
		.gpio = EFIKAMX_BLUE_LED,
	},
};

static struct gpio_led_platform_data mx51_efikamx_leds_data = {
	.leds = mx51_efikamx_leds,
	.num_leds = ARRAY_SIZE(mx51_efikamx_leds),
};

static struct platform_device mx51_efikamx_leds_device = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
		.platform_data = &mx51_efikamx_leds_data,
	},
};

static struct gpio_keys_button mx51_efikamx_powerkey[] = {
	{
		.code = KEY_POWER,
		.gpio = EFIKAMX_POWER_KEY,
		.type = EV_PWR,
		.desc = "Power Button (CM)",
		.wakeup = 1,
		.debounce_interval = 10, /* ms */
	},
};

static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initconst = {
	.buttons = mx51_efikamx_powerkey,
	.nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),
};

static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {
	{
	 .name = "u-boot",
	 .offset = 0,
	 .size = SZ_256K,
	},
	{
	  .name = "config",
	  .offset = MTDPART_OFS_APPEND,
	  .size = SZ_64K,
	},
};

static struct flash_platform_data mx51_efikamx_spi_flash_data = {
	.name		= "spi_flash",
	.parts		= mx51_efikamx_spi_nor_partitions,
	.nr_parts	= ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),
	.type		= "sst25vf032b",
};

static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {
	{
		.modalias = "m25p80",
		.max_speed_hz = 25000000,
		.bus_num = 0,
		.chip_select = 1,
		.platform_data = &mx51_efikamx_spi_flash_data,
		.irq = -1,
	},
};

static int mx51_efikamx_spi_cs[] = {
	EFIKAMX_SPI_CS0,
	EFIKAMX_SPI_CS1,
};

static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {
	.chipselect     = mx51_efikamx_spi_cs,
	.num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),
};

void mx51_efikamx_reset(void)
{
	if (system_rev == 0x11)
		gpio_direction_output(EFIKAMX_RESET1_1, 0);
	else
		gpio_direction_output(EFIKAMX_RESET, 0);
}

static void __init mxc_board_init(void)
{
	mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
					ARRAY_SIZE(mx51efikamx_pads));
	mx51_efikamx_board_id();
	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
	mxc_init_imx_uart();
	imx51_add_sdhci_esdhc_imx(0, NULL);

	/* on < 1.2 boards both SD controllers are used */
	if (system_rev < 0x12) {
		imx51_add_sdhci_esdhc_imx(1, NULL);
		mx51_efikamx_leds[2].default_trigger = "mmc1";
	}

	platform_device_register(&mx51_efikamx_leds_device);
	imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);

	spi_register_board_info(mx51_efikamx_spi_board_info,
		ARRAY_SIZE(mx51_efikamx_spi_board_info));
	imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);

	if (system_rev == 0x11) {
		gpio_request(EFIKAMX_RESET1_1, "reset");
		gpio_direction_output(EFIKAMX_RESET1_1, 1);
	} else {
		gpio_request(EFIKAMX_RESET, "reset");
		gpio_direction_output(EFIKAMX_RESET, 1);
	}
}

static void __init mx51_efikamx_timer_init(void)
{
	mx51_clocks_init(32768, 24000000, 22579200, 24576000);
}

static struct sys_timer mxc_timer = {
	.init	= mx51_efikamx_timer_init,
};

MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop")
	/* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */
	.boot_params = MX51_PHYS_OFFSET + 0x100,
	.map_io = mx51_map_io,
	.init_irq = mx51_init_irq,
	.init_machine =  mxc_board_init,
	.timer = &mxc_timer,
MACHINE_END
Commit	Line	Data
088d01b0 AK	1	/*
	2	* Copyright (C) 2010 Linaro Limited
	3	*
	4	* based on code from the following
	5	* Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
	6	* Copyright 2009-2010 Pegatron Corporation. All Rights Reserved.
	7	* Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved.
	8	*
	9	* The code contained herein is licensed under the GNU General Public
	10	* License. You may obtain a copy of the GNU General Public License
	11	* Version 2 or later at the following locations:
	12	*
	13	* http://www.opensource.org/licenses/gpl-license.html
	14	* http://www.gnu.org/copyleft/gpl.html
	15	*/
	16
	17	#include <linux/init.h>
	18	#include <linux/platform_device.h>
	19	#include <linux/i2c.h>
	20	#include <linux/gpio.h>
9d2c0ef7	21	#include <linux/leds.h>
fcbd0c5f	22	#include <linux/input.h>
088d01b0 AK	23	#include <linux/delay.h>
	24	#include <linux/io.h>
	25	#include <linux/fsl_devices.h>
c6e34a4c APR	26	#include <linux/spi/flash.h>
c6e34a4c APR	27	#include <linux/spi/spi.h>
088d01b0 AK	28
	29	#include <mach/common.h>
	30	#include <mach/hardware.h>
	31	#include <mach/iomux-mx51.h>
	32	#include <mach/i2c.h>
	33	#include <mach/mxc_ehci.h>
	34
	35	#include <asm/irq.h>
	36	#include <asm/setup.h>
	37	#include <asm/mach-types.h>
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/time.h>
	40
	41	#include "devices-imx51.h"
	42	#include "devices.h"
	43
81490fcd AK	44	#define MX51_USB_PLL_DIV_24_MHZ 0x01
81490fcd AK	45
f1dd361b APR	46	#define EFIKAMX_PCBID0 (2*32 + 16)
	47	#define EFIKAMX_PCBID1 (2*32 + 17)
	48	#define EFIKAMX_PCBID2 (2*32 + 11)
	49
9d2c0ef7 APR	50	#define EFIKAMX_BLUE_LED (2*32 + 13)
	51	#define EFIKAMX_GREEN_LED (2*32 + 14)
	52	#define EFIKAMX_RED_LED (2*32 + 15)
	53
fcbd0c5f APR	54	#define EFIKAMX_POWER_KEY (1*32 + 31)
fcbd0c5f APR	55
c6e34a4c APR	56	#define EFIKAMX_SPI_CS0 (3*32 + 24)
	57	#define EFIKAMX_SPI_CS1 (3*32 + 25)
	58
c2932bf4 APR	59	/* board 1.1 doesn't have same reset gpio */
	60	#define EFIKAMX_RESET1_1 (2*32 + 2)
	61	#define EFIKAMX_RESET (0*32 + 4)
	62
f1dd361b APR	63	/* the pci ids pin have pull up. they're driven low according to board id */
	64	#define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP)
	65	#define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP)
	66	#define MX51_PAD_PCBID2 IOMUX_PAD(0x504, 0x128, 3, 0x0, 0, PAD_CTL_PUS_100K_UP)
fcbd0c5f	67	#define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0, 0, PAD_CTL_PUS_100K_UP \| PAD_CTL_PKE)
f1dd361b	68
8f5260c8	69	static iomux_v3_cfg_t mx51efikamx_pads[] = {
088d01b0 AK	70	/* UART1 */
	71	MX51_PAD_UART1_RXD__UART1_RXD,
	72	MX51_PAD_UART1_TXD__UART1_TXD,
	73	MX51_PAD_UART1_RTS__UART1_RTS,
	74	MX51_PAD_UART1_CTS__UART1_CTS,
f1dd361b APR	75	/* board id */
	76	MX51_PAD_PCBID0,
	77	MX51_PAD_PCBID1,
	78	MX51_PAD_PCBID2,
a96eb148 APR	79
	80	/* SD 1 */
	81	MX51_PAD_SD1_CMD__SD1_CMD,
	82	MX51_PAD_SD1_CLK__SD1_CLK,
	83	MX51_PAD_SD1_DATA0__SD1_DATA0,
	84	MX51_PAD_SD1_DATA1__SD1_DATA1,
	85	MX51_PAD_SD1_DATA2__SD1_DATA2,
	86	MX51_PAD_SD1_DATA3__SD1_DATA3,
	87
	88	/* SD 2 */
	89	MX51_PAD_SD2_CMD__SD2_CMD,
	90	MX51_PAD_SD2_CLK__SD2_CLK,
	91	MX51_PAD_SD2_DATA0__SD2_DATA0,
	92	MX51_PAD_SD2_DATA1__SD2_DATA1,
	93	MX51_PAD_SD2_DATA2__SD2_DATA2,
	94	MX51_PAD_SD2_DATA3__SD2_DATA3,
	95
	96	/* SD/MMC WP/CD */
	97	MX51_PAD_GPIO_1_0__ESDHC1_CD,
	98	MX51_PAD_GPIO_1_1__ESDHC1_WP,
	99	MX51_PAD_GPIO_1_7__ESDHC2_WP,
	100	MX51_PAD_GPIO_1_8__ESDHC2_CD,
9d2c0ef7 APR	101
	102	/* leds */
	103	MX51_PAD_CSI1_D9__GPIO_3_13,
	104	MX51_PAD_CSI1_VSYNC__GPIO_3_14,
	105	MX51_PAD_CSI1_HSYNC__GPIO_3_15,
fcbd0c5f APR	106
	107	/* power key */
	108	MX51_PAD_PWRKEY,
c6e34a4c APR	109
	110	/* spi */
	111	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
	112	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
	113	MX51_PAD_CSPI1_SS0__GPIO_4_24,
	114	MX51_PAD_CSPI1_SS1__GPIO_4_25,
	115	MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
	116	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
c2932bf4 APR	117
	118	/* reset */
	119	MX51_PAD_DI1_PIN13__GPIO_3_2,
	120	MX51_PAD_GPIO_1_4__GPIO_1_4,
088d01b0 AK	121	};
	122
	123	/* Serial ports */
	124	#if defined(CONFIG_SERIAL_IMX) \|\| defined(CONFIG_SERIAL_IMX_MODULE)
	125	static const struct imxuart_platform_data uart_pdata = {
	126	.flags = IMXUART_HAVE_RTSCTS,
	127	};
	128
	129	static inline void mxc_init_imx_uart(void)
	130	{
	131	imx51_add_imx_uart(0, &uart_pdata);
	132	imx51_add_imx_uart(1, &uart_pdata);
	133	imx51_add_imx_uart(2, &uart_pdata);
	134	}
	135	#else /* !SERIAL_IMX */
	136	static inline void mxc_init_imx_uart(void)
	137	{
	138	}
	139	#endif /* SERIAL_IMX */
	140
81490fcd AK	141	/* This function is board specific as the bit mask for the plldiv will also
	142	* be different for other Freescale SoCs, thus a common bitmask is not
	143	* possible and cannot get place in /plat-mxc/ehci.c.
	144	*/
	145	static int initialize_otg_port(struct platform_device *pdev)
	146	{
	147	u32 v;
	148	void __iomem *usb_base;
	149	void __iomem *usbother_base;
	150	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
	151	usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
	152
	153	/* Set the PHY clock to 19.2MHz */
	154	v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	155	v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
	156	v \|= MX51_USB_PLL_DIV_24_MHZ;
	157	__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	158	iounmap(usb_base);
	159	return 0;
	160	}
	161
	162	static struct mxc_usbh_platform_data dr_utmi_config = {
	163	.init = initialize_otg_port,
	164	.portsc = MXC_EHCI_UTMI_16BIT,
	165	.flags = MXC_EHCI_INTERNAL_PHY,
	166	};
	167
f1dd361b APR	168	/* PCBID2 PCBID1 PCBID0 STATE
	169	1 1 1 ER1:rev1.1
	170	1 1 0 ER2:rev1.2
	171	1 0 1 ER3:rev1.3
	172	1 0 0 ER4:rev1.4
	173	*/
	174	static void __init mx51_efikamx_board_id(void)
	175	{
	176	int id;
	177
	178	/* things are taking time to settle */
	179	msleep(150);
	180
	181	gpio_request(EFIKAMX_PCBID0, "pcbid0");
	182	gpio_direction_input(EFIKAMX_PCBID0);
	183	gpio_request(EFIKAMX_PCBID1, "pcbid1");
	184	gpio_direction_input(EFIKAMX_PCBID1);
	185	gpio_request(EFIKAMX_PCBID2, "pcbid2");
	186	gpio_direction_input(EFIKAMX_PCBID2);
	187
	188	id = gpio_get_value(EFIKAMX_PCBID0);
	189	id \|= gpio_get_value(EFIKAMX_PCBID1) << 1;
	190	id \|= gpio_get_value(EFIKAMX_PCBID2) << 2;
	191
	192	switch (id) {
	193	case 7:
	194	system_rev = 0x11;
	195	break;
	196	case 6:
	197	system_rev = 0x12;
	198	break;
	199	case 5:
	200	system_rev = 0x13;
	201	break;
	202	case 4:
	203	system_rev = 0x14;
	204	break;
	205	default:
	206	system_rev = 0x10;
	207	break;
	208	}
	209
	210	if ((system_rev == 0x10)
	211	\|\| (system_rev == 0x12)
	212	\|\| (system_rev == 0x14)) {
	213	printk(KERN_WARNING
	214	"EfikaMX: Unsupported board revision 1.%u!\n",
	215	system_rev & 0xf);
	216	}
	217	}
	218
9d2c0ef7 APR	219	static struct gpio_led mx51_efikamx_leds[] = {
	220	{
	221	.name = "efikamx:green",
	222	.default_trigger = "default-on",
	223	.gpio = EFIKAMX_GREEN_LED,
	224	},
	225	{
	226	.name = "efikamx:red",
	227	.default_trigger = "ide-disk",
	228	.gpio = EFIKAMX_RED_LED,
	229	},
	230	{
	231	.name = "efikamx:blue",
	232	.default_trigger = "mmc0",
	233	.gpio = EFIKAMX_BLUE_LED,
	234	},
	235	};
	236
	237	static struct gpio_led_platform_data mx51_efikamx_leds_data = {
	238	.leds = mx51_efikamx_leds,
	239	.num_leds = ARRAY_SIZE(mx51_efikamx_leds),
	240	};
	241
	242	static struct platform_device mx51_efikamx_leds_device = {
	243	.name = "leds-gpio",
	244	.id = -1,
	245	.dev = {
	246	.platform_data = &mx51_efikamx_leds_data,
	247	},
	248	};
	249
fcbd0c5f APR	250	static struct gpio_keys_button mx51_efikamx_powerkey[] = {
	251	{
	252	.code = KEY_POWER,
	253	.gpio = EFIKAMX_POWER_KEY,
	254	.type = EV_PWR,
	255	.desc = "Power Button (CM)",
	256	.wakeup = 1,
	257	.debounce_interval = 10, /* ms */
	258	},
	259	};
	260
	261	static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initconst = {
	262	.buttons = mx51_efikamx_powerkey,
	263	.nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),
	264	};
	265
c6e34a4c APR	266	static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {
	267	{
	268	.name = "u-boot",
	269	.offset = 0,
	270	.size = SZ_256K,
	271	},
	272	{
	273	.name = "config",
	274	.offset = MTDPART_OFS_APPEND,
	275	.size = SZ_64K,
	276	},
	277	};
	278
	279	static struct flash_platform_data mx51_efikamx_spi_flash_data = {
	280	.name = "spi_flash",
	281	.parts = mx51_efikamx_spi_nor_partitions,
	282	.nr_parts = ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),
	283	.type = "sst25vf032b",
	284	};
	285
	286	static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {
	287	{
	288	.modalias = "m25p80",
	289	.max_speed_hz = 25000000,
	290	.bus_num = 0,
	291	.chip_select = 1,
	292	.platform_data = &mx51_efikamx_spi_flash_data,
	293	.irq = -1,
	294	},
	295	};
	296
	297	static int mx51_efikamx_spi_cs[] = {
	298	EFIKAMX_SPI_CS0,
	299	EFIKAMX_SPI_CS1,
	300	};
	301
	302	static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {
	303	.chipselect = mx51_efikamx_spi_cs,
	304	.num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),
	305	};
	306
c2932bf4 APR	307	void mx51_efikamx_reset(void)
	308	{
	309	if (system_rev == 0x11)
	310	gpio_direction_output(EFIKAMX_RESET1_1, 0);
	311	else
	312	gpio_direction_output(EFIKAMX_RESET, 0);
	313	}
	314
088d01b0 AK	315	static void __init mxc_board_init(void)
	316	{
	317	mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
	318	ARRAY_SIZE(mx51efikamx_pads));
f1dd361b	319	mx51_efikamx_board_id();
81490fcd	320	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
088d01b0	321	mxc_init_imx_uart();
0ef51953	322	imx51_add_sdhci_esdhc_imx(0, NULL);
a96eb148 APR	323
a96eb148 APR	324	/* on < 1.2 boards both SD controllers are used */
9d2c0ef7	325	if (system_rev < 0x12) {
0ef51953	326	imx51_add_sdhci_esdhc_imx(1, NULL);
9d2c0ef7 APR	327	mx51_efikamx_leds[2].default_trigger = "mmc1";
	328	}
	329
	330	platform_device_register(&mx51_efikamx_leds_device);
fcbd0c5f	331	imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);
c6e34a4c APR	332
	333	spi_register_board_info(mx51_efikamx_spi_board_info,
	334	ARRAY_SIZE(mx51_efikamx_spi_board_info));
	335	imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);
c2932bf4 APR	336
	337	if (system_rev == 0x11) {
	338	gpio_request(EFIKAMX_RESET1_1, "reset");
	339	gpio_direction_output(EFIKAMX_RESET1_1, 1);
	340	} else {
	341	gpio_request(EFIKAMX_RESET, "reset");
	342	gpio_direction_output(EFIKAMX_RESET, 1);
	343	}
088d01b0 AK	344	}
	345
	346	static void __init mx51_efikamx_timer_init(void)
	347	{
	348	mx51_clocks_init(32768, 24000000, 22579200, 24576000);
	349	}
	350
	351	static struct sys_timer mxc_timer = {
	352	.init = mx51_efikamx_timer_init,
	353	};
	354
	355	MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop")
	356	/* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */
088d01b0 AK	357	.boot_params = MX51_PHYS_OFFSET + 0x100,
	358	.map_io = mx51_map_io,
	359	.init_irq = mx51_init_irq,
	360	.init_machine = mxc_board_init,
	361	.timer = &mxc_timer,
	362	MACHINE_END