[linux-2.6-block.git] / arch / arm / mach-imx / eukrea_mbimxsd-baseboard.c

/*
 * Copyright (C) 2010 Eric Benard - eric@eukrea.com
 *
 * Based on pcm970-baseboard.c which is :
 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
 *
 * 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/types.h>
#include <linux/init.h>

#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/i2c.h>

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

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

#include "devices-imx51.h"

static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
	/* LED */
	MX51_PAD_NANDF_D10__GPIO3_30,
	/* SWITCH */
	NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP |
			PAD_CTL_PKE | PAD_CTL_SRE_FAST |
			PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
	/* UART2 */
	MX51_PAD_UART2_RXD__UART2_RXD,
	MX51_PAD_UART2_TXD__UART2_TXD,
	/* UART 3 */
	MX51_PAD_UART3_RXD__UART3_RXD,
	MX51_PAD_UART3_TXD__UART3_TXD,
	MX51_PAD_KEY_COL4__UART3_RTS,
	MX51_PAD_KEY_COL5__UART3_CTS,
	/* SD */
	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,
	/* SD1 CD */
	NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP |
			PAD_CTL_PKE | PAD_CTL_SRE_FAST |
			PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
	/* SSI */
	MX51_PAD_AUD3_BB_TXD__AUD3_TXD,
	MX51_PAD_AUD3_BB_RXD__AUD3_RXD,
	MX51_PAD_AUD3_BB_CK__AUD3_TXC,
	MX51_PAD_AUD3_BB_FS__AUD3_TXFS,
};

#define GPIO_LED1	IMX_GPIO_NR(3, 30)
#define GPIO_SWITCH1	IMX_GPIO_NR(3, 31)

static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
	{
		.name			= "led1",
		.default_trigger	= "heartbeat",
		.active_low		= 1,
		.gpio			= GPIO_LED1,
	},
};

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

static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
	{
		.gpio		= GPIO_SWITCH1,
		.code		= BTN_0,
		.desc		= "BP1",
		.active_low	= 1,
		.wakeup		= 1,
	},
};

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

static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
	{
		I2C_BOARD_INFO("tlv320aic23", 0x1a),
	},
};

static const
struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
	.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
};

/*
 * system init for baseboard usage. Will be called by cpuimx51sd init.
 *
 * Add platform devices present on this baseboard and init
 * them from CPU side as far as required to use them later on
 */
void __init eukrea_mbimxsd51_baseboard_init(void)
{
	if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
			ARRAY_SIZE(eukrea_mbimxsd_pads)))
		printk(KERN_ERR "error setting mbimxsd pads !\n");

	imx51_add_imx_uart(1, NULL);
	imx51_add_imx_uart(2, &uart_pdata);

	imx51_add_sdhci_esdhc_imx(0, NULL);

	imx51_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);

	gpio_request(GPIO_LED1, "LED1");
	gpio_direction_output(GPIO_LED1, 1);
	gpio_free(GPIO_LED1);

	gpio_request(GPIO_SWITCH1, "SWITCH1");
	gpio_direction_input(GPIO_SWITCH1);
	gpio_free(GPIO_SWITCH1);

	i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
				ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));

	gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
	imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
}
Commit	Line	Data
70b17268 EB	1	/*
	2	* Copyright (C) 2010 Eric Benard - eric@eukrea.com
	3	*
	4	* Based on pcm970-baseboard.c which is :
	5	* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; either version 2
	10	* of the License, or (at your option) any later version.
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	19	* MA 02110-1301, USA.
	20	*/
	21
	22	#include <linux/types.h>
	23	#include <linux/init.h>
	24
	25	#include <linux/gpio.h>
	26	#include <linux/interrupt.h>
70b17268 EB	27	#include <linux/leds.h>
70b17268 EB	28	#include <linux/platform_device.h>
70b17268 EB	29	#include <linux/input.h>
	30	#include <linux/i2c.h>
	31
	32	#include <asm/mach-types.h>
	33	#include <asm/mach/arch.h>
	34	#include <asm/mach/time.h>
	35	#include <asm/mach/map.h>
	36
	37	#include <mach/hardware.h>
	38	#include <mach/common.h>
70b17268	39	#include <mach/iomux-mx51.h>
70b17268 EB	40
70b17268 EB	41	#include "devices-imx51.h"
70b17268	42
8f5260c8	43	static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
70b17268	44	/* LED */
ee1ae4d7	45	MX51_PAD_NANDF_D10__GPIO3_30,
70b17268	46	/* SWITCH */
7242e24a	47	NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP \|
ee1ae4d7 SH	48	PAD_CTL_PKE \| PAD_CTL_SRE_FAST \|
ee1ae4d7 SH	49	PAD_CTL_DSE_HIGH \| PAD_CTL_PUE \| PAD_CTL_HYS),
70b17268 EB	50	/* UART2 */
	51	MX51_PAD_UART2_RXD__UART2_RXD,
	52	MX51_PAD_UART2_TXD__UART2_TXD,
	53	/* UART 3 */
	54	MX51_PAD_UART3_RXD__UART3_RXD,
	55	MX51_PAD_UART3_TXD__UART3_TXD,
	56	MX51_PAD_KEY_COL4__UART3_RTS,
	57	MX51_PAD_KEY_COL5__UART3_CTS,
	58	/* SD */
	59	MX51_PAD_SD1_CMD__SD1_CMD,
	60	MX51_PAD_SD1_CLK__SD1_CLK,
	61	MX51_PAD_SD1_DATA0__SD1_DATA0,
	62	MX51_PAD_SD1_DATA1__SD1_DATA1,
	63	MX51_PAD_SD1_DATA2__SD1_DATA2,
	64	MX51_PAD_SD1_DATA3__SD1_DATA3,
ef560bfe	65	/* SD1 CD */
7242e24a	66	NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP \|
ef560bfe EB	67	PAD_CTL_PKE \| PAD_CTL_SRE_FAST \|
ef560bfe EB	68	PAD_CTL_DSE_HIGH \| PAD_CTL_PUE \| PAD_CTL_HYS),
932d67d4 EB	69	/* SSI */
	70	MX51_PAD_AUD3_BB_TXD__AUD3_TXD,
	71	MX51_PAD_AUD3_BB_RXD__AUD3_RXD,
	72	MX51_PAD_AUD3_BB_CK__AUD3_TXC,
	73	MX51_PAD_AUD3_BB_FS__AUD3_TXFS,
70b17268 EB	74	};
70b17268 EB	75
96886c43 APR	76	#define GPIO_LED1 IMX_GPIO_NR(3, 30)
96886c43 APR	77	#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
70b17268	78
5b8d628c	79	static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
70b17268 EB	80	{
	81	.name = "led1",
	82	.default_trigger = "heartbeat",
	83	.active_low = 1,
	84	.gpio = GPIO_LED1,
	85	},
	86	};
	87
5b8d628c UKK	88	static const struct gpio_led_platform_data
5b8d628c UKK	89	eukrea_mbimxsd_led_info __initconst = {
70b17268 EB	90	.leds = eukrea_mbimxsd_leds,
	91	.num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
	92	};
	93
70b17268 EB	94	static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
	95	{
	96	.gpio = GPIO_SWITCH1,
	97	.code = BTN_0,
	98	.desc = "BP1",
	99	.active_low = 1,
	100	.wakeup = 1,
	101	},
	102	};
	103
5309498a UKK	104	static const struct gpio_keys_platform_data
5309498a UKK	105	eukrea_mbimxsd_button_data __initconst = {
70b17268 EB	106	.buttons = eukrea_mbimxsd_gpio_buttons,
	107	.nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
	108	};
	109
70b17268 EB	110	static const struct imxuart_platform_data uart_pdata __initconst = {
	111	.flags = IMXUART_HAVE_RTSCTS,
	112	};
	113
	114	static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
	115	{
	116	I2C_BOARD_INFO("tlv320aic23", 0x1a),
	117	},
	118	};
	119
932d67d4 EB	120	static const
	121	struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
	122	.flags = IMX_SSI_SYN \| IMX_SSI_NET \| IMX_SSI_USE_I2S_SLAVE,
	123	};
	124
70b17268 EB	125	/*
	126	* system init for baseboard usage. Will be called by cpuimx51sd init.
	127	*
	128	* Add platform devices present on this baseboard and init
	129	* them from CPU side as far as required to use them later on
	130	*/
	131	void __init eukrea_mbimxsd51_baseboard_init(void)
	132	{
	133	if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
	134	ARRAY_SIZE(eukrea_mbimxsd_pads)))
	135	printk(KERN_ERR "error setting mbimxsd pads !\n");
	136
	137	imx51_add_imx_uart(1, NULL);
	138	imx51_add_imx_uart(2, &uart_pdata);
	139
124bf94a	140	imx51_add_sdhci_esdhc_imx(0, NULL);
70b17268	141
932d67d4 EB	142	imx51_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
932d67d4 EB	143
70b17268 EB	144	gpio_request(GPIO_LED1, "LED1");
	145	gpio_direction_output(GPIO_LED1, 1);
	146	gpio_free(GPIO_LED1);
	147
	148	gpio_request(GPIO_SWITCH1, "SWITCH1");
	149	gpio_direction_input(GPIO_SWITCH1);
	150	gpio_free(GPIO_SWITCH1);
	151
	152	i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
	153	ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
	154
5b8d628c	155	gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
5309498a	156	imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
70b17268	157	}