[linux-2.6-block.git] / arch / arm / mach-davinci / board-tnetv107x-evm.c

/*
 * Texas Instruments TNETV107X EVM Board Support
 *
 * Copyright (C) 2010 Texas Instruments
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/ratelimit.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>

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

#include <mach/irqs.h>
#include <mach/edma.h>
#include <mach/mux.h>
#include <mach/cp_intc.h>
#include <mach/tnetv107x.h>

#define EVM_MMC_WP_GPIO		21
#define EVM_MMC_CD_GPIO		24
#define EVM_SPI_CS_GPIO		54

static int initialize_gpio(int gpio, char *desc)
{
	int ret;

	ret = gpio_request(gpio, desc);
	if (ret < 0) {
		pr_err_ratelimited("cannot open %s gpio\n", desc);
		return -ENOSYS;
	}
	gpio_direction_input(gpio);
	return gpio;
}

static int mmc_get_cd(int index)
{
	static int gpio;

	if (!gpio)
		gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect");

	if (gpio < 0)
		return gpio;

	return gpio_get_value(gpio) ? 0 : 1;
}

static int mmc_get_ro(int index)
{
	static int gpio;

	if (!gpio)
		gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect");

	if (gpio < 0)
		return gpio;

	return gpio_get_value(gpio) ? 1 : 0;
}

static struct davinci_mmc_config mmc_config = {
	.get_cd		= mmc_get_cd,
	.get_ro		= mmc_get_ro,
	.wires		= 4,
	.max_freq	= 50000000,
	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
	.version	= MMC_CTLR_VERSION_1,
};

static const short sdio1_pins[] __initdata = {
	TNETV107X_SDIO1_CLK_1,		TNETV107X_SDIO1_CMD_1,
	TNETV107X_SDIO1_DATA0_1,	TNETV107X_SDIO1_DATA1_1,
	TNETV107X_SDIO1_DATA2_1,	TNETV107X_SDIO1_DATA3_1,
	TNETV107X_GPIO21,		TNETV107X_GPIO24,
	-1
};

static const short uart1_pins[] __initdata = {
	TNETV107X_UART1_RD,		TNETV107X_UART1_TD,
	-1
};

static const short ssp_pins[] __initdata = {
	TNETV107X_SSP0_0, TNETV107X_SSP0_1, TNETV107X_SSP0_2,
	TNETV107X_SSP1_0, TNETV107X_SSP1_1, TNETV107X_SSP1_2,
	TNETV107X_SSP1_3, -1
};

static struct mtd_partition nand_partitions[] = {
	/* bootloader (U-Boot, etc) in first 12 sectors */
	{
		.name		= "bootloader",
		.offset		= 0,
		.size		= (12*SZ_128K),
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	/* bootloader params in the next sector */
	{
		.name		= "params",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= SZ_128K,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	/* kernel */
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= SZ_4M,
		.mask_flags	= 0,
	},
	/* file system */
	{
		.name		= "filesystem",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0,
	}
};

static struct davinci_nand_pdata nand_config = {
	.mask_cle	= 0x4000,
	.mask_ale	= 0x2000,
	.parts		= nand_partitions,
	.nr_parts	= ARRAY_SIZE(nand_partitions),
	.ecc_mode	= NAND_ECC_HW,
	.options	= NAND_USE_FLASH_BBT,
	.ecc_bits	= 1,
};

static struct davinci_uart_config serial_config __initconst = {
	.enabled_uarts	= BIT(1),
};

static const uint32_t keymap[] = {
	KEY(0, 0, KEY_NUMERIC_1),
	KEY(0, 1, KEY_NUMERIC_2),
	KEY(0, 2, KEY_NUMERIC_3),
	KEY(0, 3, KEY_FN_F1),
	KEY(0, 4, KEY_MENU),

	KEY(1, 0, KEY_NUMERIC_4),
	KEY(1, 1, KEY_NUMERIC_5),
	KEY(1, 2, KEY_NUMERIC_6),
	KEY(1, 3, KEY_UP),
	KEY(1, 4, KEY_FN_F2),

	KEY(2, 0, KEY_NUMERIC_7),
	KEY(2, 1, KEY_NUMERIC_8),
	KEY(2, 2, KEY_NUMERIC_9),
	KEY(2, 3, KEY_LEFT),
	KEY(2, 4, KEY_ENTER),

	KEY(3, 0, KEY_NUMERIC_STAR),
	KEY(3, 1, KEY_NUMERIC_0),
	KEY(3, 2, KEY_NUMERIC_POUND),
	KEY(3, 3, KEY_DOWN),
	KEY(3, 4, KEY_RIGHT),

	KEY(4, 0, KEY_FN_F3),
	KEY(4, 1, KEY_FN_F4),
	KEY(4, 2, KEY_MUTE),
	KEY(4, 3, KEY_HOME),
	KEY(4, 4, KEY_BACK),

	KEY(5, 0, KEY_VOLUMEDOWN),
	KEY(5, 1, KEY_VOLUMEUP),
	KEY(5, 2, KEY_F1),
	KEY(5, 3, KEY_F2),
	KEY(5, 4, KEY_F3),
};

static const struct matrix_keymap_data keymap_data = {
	.keymap		= keymap,
	.keymap_size	= ARRAY_SIZE(keymap),
};

static struct matrix_keypad_platform_data keypad_config = {
	.keymap_data	= &keymap_data,
	.num_row_gpios	= 6,
	.num_col_gpios	= 5,
	.debounce_ms	= 0, /* minimum */
	.active_low	= 0, /* pull up realization */
	.no_autorepeat	= 0,
};

static void spi_select_device(int cs)
{
	static int gpio;

	if (!gpio) {
		int ret;
		ret = gpio_request(EVM_SPI_CS_GPIO, "spi chipsel");
		if (ret < 0) {
			pr_err("cannot open spi chipsel gpio\n");
			gpio = -ENOSYS;
			return;
		} else {
			gpio = EVM_SPI_CS_GPIO;
			gpio_direction_output(gpio, 0);
		}
	}

	if (gpio < 0)
		return;

	return gpio_set_value(gpio, cs ? 1 : 0);
}

static struct ti_ssp_spi_data spi_master_data = {
	.num_cs	= 2,
	.select	= spi_select_device,
	.iosel	= SSP_PIN_SEL(0, SSP_CLOCK)	| SSP_PIN_SEL(1, SSP_DATA) |
		  SSP_PIN_SEL(2, SSP_CHIPSEL)	| SSP_PIN_SEL(3, SSP_IN)   |
		  SSP_INPUT_SEL(3),
};

static struct ti_ssp_data ssp_config = {
	.out_clock	= 250 * 1000,
	.dev_data	= {
		[1] = {
			.dev_name = "ti-ssp-spi",
			.pdata = &spi_master_data,
			.pdata_size = sizeof(spi_master_data),
		},
	},
};

static struct tnetv107x_device_info evm_device_info __initconst = {
	.serial_config		= &serial_config,
	.mmc_config[1]		= &mmc_config,	/* controller 1 */
	.nand_config[0]		= &nand_config,	/* chip select 0 */
	.keypad_config		= &keypad_config,
	.ssp_config		= &ssp_config,
};

static struct spi_board_info spi_info[] __initconst = {
};

static __init void tnetv107x_evm_board_init(void)
{
	davinci_cfg_reg_list(sdio1_pins);
	davinci_cfg_reg_list(uart1_pins);
	davinci_cfg_reg_list(ssp_pins);

	tnetv107x_devices_init(&evm_device_info);

	spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
}

#ifdef CONFIG_SERIAL_8250_CONSOLE
static int __init tnetv107x_evm_console_init(void)
{
	return add_preferred_console("ttyS", 0, "115200");
}
console_initcall(tnetv107x_evm_console_init);
#endif

MACHINE_START(TNETV107X, "TNETV107X EVM")
	.atag_offset	= 0x100,
	.map_io		= tnetv107x_init,
	.init_irq	= cp_intc_init,
	.timer		= &davinci_timer,
	.init_machine	= tnetv107x_evm_board_init,
	.dma_zone_size	= SZ_128M,
MACHINE_END
Commit	Line	Data
57a58a2e CC	1	/*
	2	* Texas Instruments TNETV107X EVM Board Support
	3	*
	4	* Copyright (C) 2010 Texas Instruments
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License as
	8	* published by the Free Software Foundation version 2.
	9	*
	10	* This program is distributed "as is" WITHOUT ANY WARRANTY of any
	11	* kind, whether express or implied; without even the implied warranty
	12	* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*/
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/console.h>
	18	#include <linux/dma-mapping.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/gpio.h>
	21	#include <linux/delay.h>
	22	#include <linux/platform_device.h>
	23	#include <linux/ratelimit.h>
	24	#include <linux/mtd/mtd.h>
	25	#include <linux/mtd/partitions.h>
a1b44403 CC	26	#include <linux/input.h>
a1b44403 CC	27	#include <linux/input/matrix_keypad.h>
f6e5306e	28	#include <linux/spi/spi.h>
a1b44403	29
57a58a2e CC	30	#include <asm/mach/arch.h>
	31	#include <asm/mach-types.h>
	32
	33	#include <mach/irqs.h>
	34	#include <mach/edma.h>
	35	#include <mach/mux.h>
	36	#include <mach/cp_intc.h>
	37	#include <mach/tnetv107x.h>
	38
	39	#define EVM_MMC_WP_GPIO 21
	40	#define EVM_MMC_CD_GPIO 24
f6e5306e	41	#define EVM_SPI_CS_GPIO 54
57a58a2e CC	42
	43	static int initialize_gpio(int gpio, char *desc)
	44	{
	45	int ret;
	46
	47	ret = gpio_request(gpio, desc);
	48	if (ret < 0) {
	49	pr_err_ratelimited("cannot open %s gpio\n", desc);
	50	return -ENOSYS;
	51	}
	52	gpio_direction_input(gpio);
	53	return gpio;
	54	}
	55
	56	static int mmc_get_cd(int index)
	57	{
	58	static int gpio;
	59
	60	if (!gpio)
	61	gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect");
	62
	63	if (gpio < 0)
	64	return gpio;
	65
	66	return gpio_get_value(gpio) ? 0 : 1;
	67	}
	68
	69	static int mmc_get_ro(int index)
	70	{
	71	static int gpio;
	72
	73	if (!gpio)
	74	gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect");
	75
	76	if (gpio < 0)
	77	return gpio;
	78
	79	return gpio_get_value(gpio) ? 1 : 0;
	80	}
	81
	82	static struct davinci_mmc_config mmc_config = {
	83	.get_cd = mmc_get_cd,
	84	.get_ro = mmc_get_ro,
	85	.wires = 4,
	86	.max_freq = 50000000,
	87	.caps = MMC_CAP_MMC_HIGHSPEED \| MMC_CAP_SD_HIGHSPEED,
	88	.version = MMC_CTLR_VERSION_1,
	89	};
	90
	91	static const short sdio1_pins[] __initdata = {
	92	TNETV107X_SDIO1_CLK_1, TNETV107X_SDIO1_CMD_1,
	93	TNETV107X_SDIO1_DATA0_1, TNETV107X_SDIO1_DATA1_1,
	94	TNETV107X_SDIO1_DATA2_1, TNETV107X_SDIO1_DATA3_1,
	95	TNETV107X_GPIO21, TNETV107X_GPIO24,
	96	-1
	97	};
	98
	99	static const short uart1_pins[] __initdata = {
	100	TNETV107X_UART1_RD, TNETV107X_UART1_TD,
	101	-1
	102	};
	103
08e0e1d5 CC	104	static const short ssp_pins[] __initdata = {
	105	TNETV107X_SSP0_0, TNETV107X_SSP0_1, TNETV107X_SSP0_2,
	106	TNETV107X_SSP1_0, TNETV107X_SSP1_1, TNETV107X_SSP1_2,
	107	TNETV107X_SSP1_3, -1
	108	};
	109
57a58a2e CC	110	static struct mtd_partition nand_partitions[] = {
	111	/* bootloader (U-Boot, etc) in first 12 sectors */
	112	{
	113	.name = "bootloader",
	114	.offset = 0,
	115	.size = (12*SZ_128K),
	116	.mask_flags = MTD_WRITEABLE, /* force read-only */
	117	},
	118	/* bootloader params in the next sector */
	119	{
	120	.name = "params",
	121	.offset = MTDPART_OFS_NXTBLK,
	122	.size = SZ_128K,
	123	.mask_flags = MTD_WRITEABLE, /* force read-only */
	124	},
	125	/* kernel */
	126	{
	127	.name = "kernel",
	128	.offset = MTDPART_OFS_NXTBLK,
	129	.size = SZ_4M,
	130	.mask_flags = 0,
	131	},
	132	/* file system */
	133	{
	134	.name = "filesystem",
	135	.offset = MTDPART_OFS_NXTBLK,
	136	.size = MTDPART_SIZ_FULL,
	137	.mask_flags = 0,
	138	}
	139	};
	140
	141	static struct davinci_nand_pdata nand_config = {
	142	.mask_cle = 0x4000,
	143	.mask_ale = 0x2000,
	144	.parts = nand_partitions,
	145	.nr_parts = ARRAY_SIZE(nand_partitions),
	146	.ecc_mode = NAND_ECC_HW,
	147	.options = NAND_USE_FLASH_BBT,
	148	.ecc_bits = 1,
	149	};
	150
	151	static struct davinci_uart_config serial_config __initconst = {
	152	.enabled_uarts = BIT(1),
	153	};
	154
a1b44403 CC	155	static const uint32_t keymap[] = {
	156	KEY(0, 0, KEY_NUMERIC_1),
	157	KEY(0, 1, KEY_NUMERIC_2),
	158	KEY(0, 2, KEY_NUMERIC_3),
	159	KEY(0, 3, KEY_FN_F1),
	160	KEY(0, 4, KEY_MENU),
	161
	162	KEY(1, 0, KEY_NUMERIC_4),
	163	KEY(1, 1, KEY_NUMERIC_5),
	164	KEY(1, 2, KEY_NUMERIC_6),
	165	KEY(1, 3, KEY_UP),
	166	KEY(1, 4, KEY_FN_F2),
	167
	168	KEY(2, 0, KEY_NUMERIC_7),
	169	KEY(2, 1, KEY_NUMERIC_8),
	170	KEY(2, 2, KEY_NUMERIC_9),
	171	KEY(2, 3, KEY_LEFT),
	172	KEY(2, 4, KEY_ENTER),
	173
	174	KEY(3, 0, KEY_NUMERIC_STAR),
	175	KEY(3, 1, KEY_NUMERIC_0),
	176	KEY(3, 2, KEY_NUMERIC_POUND),
	177	KEY(3, 3, KEY_DOWN),
	178	KEY(3, 4, KEY_RIGHT),
	179
	180	KEY(4, 0, KEY_FN_F3),
	181	KEY(4, 1, KEY_FN_F4),
	182	KEY(4, 2, KEY_MUTE),
	183	KEY(4, 3, KEY_HOME),
	184	KEY(4, 4, KEY_BACK),
	185
	186	KEY(5, 0, KEY_VOLUMEDOWN),
	187	KEY(5, 1, KEY_VOLUMEUP),
	188	KEY(5, 2, KEY_F1),
	189	KEY(5, 3, KEY_F2),
	190	KEY(5, 4, KEY_F3),
	191	};
	192
	193	static const struct matrix_keymap_data keymap_data = {
	194	.keymap = keymap,
	195	.keymap_size = ARRAY_SIZE(keymap),
	196	};
	197
	198	static struct matrix_keypad_platform_data keypad_config = {
	199	.keymap_data = &keymap_data,
	200	.num_row_gpios = 6,
	201	.num_col_gpios = 5,
	202	.debounce_ms = 0, /* minimum */
	203	.active_low = 0, /* pull up realization */
	204	.no_autorepeat = 0,
	205	};
	206
f6e5306e CC	207	static void spi_select_device(int cs)
	208	{
	209	static int gpio;
	210
	211	if (!gpio) {
	212	int ret;
	213	ret = gpio_request(EVM_SPI_CS_GPIO, "spi chipsel");
	214	if (ret < 0) {
	215	pr_err("cannot open spi chipsel gpio\n");
	216	gpio = -ENOSYS;
	217	return;
	218	} else {
	219	gpio = EVM_SPI_CS_GPIO;
	220	gpio_direction_output(gpio, 0);
	221	}
	222	}
	223
	224	if (gpio < 0)
	225	return;
	226
	227	return gpio_set_value(gpio, cs ? 1 : 0);
	228	}
	229
	230	static struct ti_ssp_spi_data spi_master_data = {
	231	.num_cs = 2,
	232	.select = spi_select_device,
	233	.iosel = SSP_PIN_SEL(0, SSP_CLOCK) \| SSP_PIN_SEL(1, SSP_DATA) \|
	234	SSP_PIN_SEL(2, SSP_CHIPSEL) \| SSP_PIN_SEL(3, SSP_IN) \|
	235	SSP_INPUT_SEL(3),
	236	};
	237
08e0e1d5 CC	238	static struct ti_ssp_data ssp_config = {
	239	.out_clock = 250 * 1000,
	240	.dev_data = {
f6e5306e CC	241	[1] = {
	242	.dev_name = "ti-ssp-spi",
	243	.pdata = &spi_master_data,
	244	.pdata_size = sizeof(spi_master_data),
	245	},
08e0e1d5 CC	246	},
	247	};
	248
57a58a2e CC	249	static struct tnetv107x_device_info evm_device_info __initconst = {
	250	.serial_config = &serial_config,
	251	.mmc_config[1] = &mmc_config, /* controller 1 */
	252	.nand_config[0] = &nand_config, /* chip select 0 */
a1b44403	253	.keypad_config = &keypad_config,
08e0e1d5	254	.ssp_config = &ssp_config,
57a58a2e CC	255	};
57a58a2e CC	256
f6e5306e CC	257	static struct spi_board_info spi_info[] __initconst = {
	258	};
	259
57a58a2e CC	260	static __init void tnetv107x_evm_board_init(void)
	261	{
	262	davinci_cfg_reg_list(sdio1_pins);
	263	davinci_cfg_reg_list(uart1_pins);
08e0e1d5	264	davinci_cfg_reg_list(ssp_pins);
57a58a2e CC	265
57a58a2e CC	266	tnetv107x_devices_init(&evm_device_info);
f6e5306e CC	267
f6e5306e CC	268	spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
57a58a2e CC	269	}
	270
	271	#ifdef CONFIG_SERIAL_8250_CONSOLE
	272	static int __init tnetv107x_evm_console_init(void)
	273	{
	274	return add_preferred_console("ttyS", 0, "115200");
	275	}
	276	console_initcall(tnetv107x_evm_console_init);
	277	#endif
	278
	279	MACHINE_START(TNETV107X, "TNETV107X EVM")
e7e56014	280	.atag_offset = 0x100,
57a58a2e CC	281	.map_io = tnetv107x_init,
	282	.init_irq = cp_intc_init,
	283	.timer = &davinci_timer,
	284	.init_machine = tnetv107x_evm_board_init,
f68deabf	285	.dma_zone_size = SZ_128M,
57a58a2e	286	MACHINE_END