[deliverable/linux.git] / arch / arm / mach-davinci / board-da830-evm.c

/*
 * TI DA830/OMAP L137 EVM board
 *
 * Author: Mark A. Greer <mgreer@mvista.com>
 * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
 *
 * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
 * the terms of the GNU General Public License version 2. This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/i2c/at24.h>

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

#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/cp_intc.h>
#include <mach/mux.h>
#include <mach/gpio.h>
#include <mach/da8xx.h>
#include <mach/asp.h>

#define DA830_EVM_PHY_MASK		0x0
#define DA830_EVM_MDIO_FREQUENCY	2200000	/* PHY bus frequency */

static struct at24_platform_data da830_evm_i2c_eeprom_info = {
	.byte_len	= SZ_256K / 8,
	.page_size	= 64,
	.flags		= AT24_FLAG_ADDR16,
	.setup		= davinci_get_mac_addr,
	.context	= (void *)0x7f00,
};

static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio,
		unsigned ngpio, void *context)
{
	gpio_request(gpio + 6, "MUX_MODE");
#ifdef CONFIG_DA830_UI_LCD
	gpio_direction_output(gpio + 6, 0);
#else /* Must be NAND or NOR */
	gpio_direction_output(gpio + 6, 1);
#endif
	return 0;
}

static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
		unsigned ngpio, void *context)
{
	gpio_free(gpio + 6);
	return 0;
}

static struct pcf857x_platform_data da830_evm_ui_expander_info = {
	.gpio_base	= DAVINCI_N_GPIO,
	.setup		= da830_evm_ui_expander_setup,
	.teardown	= da830_evm_ui_expander_teardown,
};

static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
	{
		I2C_BOARD_INFO("24c256", 0x50),
		.platform_data	= &da830_evm_i2c_eeprom_info,
	},
	{
		I2C_BOARD_INFO("tlv320aic3x", 0x18),
	},
	{
		I2C_BOARD_INFO("pcf8574", 0x3f),
		.platform_data	= &da830_evm_ui_expander_info,
	},
};

static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
	.bus_freq	= 100,	/* kHz */
	.bus_delay	= 0,	/* usec */
};

static struct davinci_uart_config da830_evm_uart_config __initdata = {
	.enabled_uarts = 0x7,
};

static const short da830_evm_mcasp1_pins[] = {
	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
	DA830_AXR1_11,
	-1
};

static u8 da830_iis_serializer_direction[] = {
	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
	INACTIVE_MODE,	TX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
};

static struct snd_platform_data da830_evm_snd_data = {
	.tx_dma_offset  = 0x2000,
	.rx_dma_offset  = 0x2000,
	.op_mode        = DAVINCI_MCASP_IIS_MODE,
	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
	.tdm_slots      = 2,
	.serial_dir     = da830_iis_serializer_direction,
	.eventq_no      = EVENTQ_0,
	.version	= MCASP_VERSION_2,
	.txnumevt	= 1,
	.rxnumevt	= 1,
};

/*
 * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 */
static const short da830_evm_mmc_sd_pins[] = {
	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
	DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
	-1
};

#define DA830_MMCSD_WP_PIN		GPIO_TO_PIN(2, 1)

static int da830_evm_mmc_get_ro(int index)
{
	return gpio_get_value(DA830_MMCSD_WP_PIN);
}

static struct davinci_mmc_config da830_evm_mmc_config = {
	.get_ro			= da830_evm_mmc_get_ro,
	.wires			= 4,
	.version		= MMC_CTLR_VERSION_2,
};

static inline void da830_evm_init_mmc(void)
{
	int ret;

	ret = da8xx_pinmux_setup(da830_evm_mmc_sd_pins);
	if (ret) {
		pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
				ret);
		return;
	}

	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
	if (ret) {
		pr_warning("da830_evm_init: can not open GPIO %d\n",
			   DA830_MMCSD_WP_PIN);
		return;
	}
	gpio_direction_input(DA830_MMCSD_WP_PIN);

	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
	if (ret) {
		pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
				ret);
		gpio_free(DA830_MMCSD_WP_PIN);
	}
}

static __init void da830_evm_init(void)
{
	struct davinci_soc_info *soc_info = &davinci_soc_info;
	int ret;

	ret = da8xx_register_edma();
	if (ret)
		pr_warning("da830_evm_init: edma registration failed: %d\n",
				ret);

	ret = da8xx_pinmux_setup(da830_i2c0_pins);
	if (ret)
		pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
				ret);

	ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
	if (ret)
		pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
				ret);

	soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
	soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
	soc_info->emac_pdata->rmii_en = 1;

	ret = da8xx_pinmux_setup(da830_cpgmac_pins);
	if (ret)
		pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
				ret);

	ret = da8xx_register_emac();
	if (ret)
		pr_warning("da830_evm_init: emac registration failed: %d\n",
				ret);

	ret = da8xx_register_watchdog();
	if (ret)
		pr_warning("da830_evm_init: watchdog registration failed: %d\n",
				ret);

	davinci_serial_init(&da830_evm_uart_config);
	i2c_register_board_info(1, da830_evm_i2c_devices,
			ARRAY_SIZE(da830_evm_i2c_devices));

	ret = da8xx_pinmux_setup(da830_evm_mcasp1_pins);
	if (ret)
		pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
				ret);

	da8xx_register_mcasp(1, &da830_evm_snd_data);

	da830_evm_init_mmc();

#ifdef CONFIG_DA830_UI_LCD
	ret = da8xx_pinmux_setup(da830_lcdcntl_pins);
	if (ret)
		pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
				ret);

	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
	if (ret)
		pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
#endif
}

#ifdef CONFIG_SERIAL_8250_CONSOLE
static int __init da830_evm_console_init(void)
{
	return add_preferred_console("ttyS", 2, "115200");
}
console_initcall(da830_evm_console_init);
#endif

static __init void da830_evm_irq_init(void)
{
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
			soc_info->intc_irq_prios);
}

static void __init da830_evm_map_io(void)
{
	da830_init();
}

MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
	.phys_io	= IO_PHYS,
	.io_pg_offst	= (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	.boot_params	= (DA8XX_DDR_BASE + 0x100),
	.map_io		= da830_evm_map_io,
	.init_irq	= da830_evm_irq_init,
	.timer		= &davinci_timer,
	.init_machine	= da830_evm_init,
MACHINE_END
Commit	Line	Data
8593790d MG	1	/*
	2	* TI DA830/OMAP L137 EVM board
	3	*
	4	* Author: Mark A. Greer <mgreer@mvista.com>
	5	* Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
	6	*
	7	* 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
	8	* the terms of the GNU General Public License version 2. This program
	9	* is licensed "as is" without any warranty of any kind, whether express
	10	* or implied.
	11	*/
	12	#include <linux/kernel.h>
	13	#include <linux/module.h>
	14	#include <linux/init.h>
	15	#include <linux/console.h>
13e1f044	16	#include <linux/gpio.h>
8593790d	17	#include <linux/i2c.h>
13e1f044	18	#include <linux/i2c/pcf857x.h>
8593790d MG	19	#include <linux/i2c/at24.h>
	20
	21	#include <asm/mach-types.h>
	22	#include <asm/mach/arch.h>
	23
	24	#include <mach/common.h>
	25	#include <mach/irqs.h>
	26	#include <mach/cp_intc.h>
32bf078c	27	#include <mach/mux.h>
2eb30c81	28	#include <mach/gpio.h>
8593790d	29	#include <mach/da8xx.h>
e33ef5e3	30	#include <mach/asp.h>
8593790d MG	31
	32	#define DA830_EVM_PHY_MASK 0x0
	33	#define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
	34
	35	static struct at24_platform_data da830_evm_i2c_eeprom_info = {
	36	.byte_len = SZ_256K / 8,
	37	.page_size = 64,
	38	.flags = AT24_FLAG_ADDR16,
	39	.setup = davinci_get_mac_addr,
	40	.context = (void *)0x7f00,
	41	};
	42
13e1f044 SC	43	static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio,
	44	unsigned ngpio, void *context)
	45	{
	46	gpio_request(gpio + 6, "MUX_MODE");
	47	#ifdef CONFIG_DA830_UI_LCD
	48	gpio_direction_output(gpio + 6, 0);
	49	#else /* Must be NAND or NOR */
	50	gpio_direction_output(gpio + 6, 1);
	51	#endif
	52	return 0;
	53	}
	54
	55	static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
	56	unsigned ngpio, void *context)
	57	{
	58	gpio_free(gpio + 6);
	59	return 0;
	60	}
	61
	62	static struct pcf857x_platform_data da830_evm_ui_expander_info = {
	63	.gpio_base = DAVINCI_N_GPIO,
	64	.setup = da830_evm_ui_expander_setup,
	65	.teardown = da830_evm_ui_expander_teardown,
	66	};
	67
8593790d MG	68	static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
	69	{
	70	I2C_BOARD_INFO("24c256", 0x50),
	71	.platform_data = &da830_evm_i2c_eeprom_info,
	72	},
1a7ff8ff C	73	{
1a7ff8ff C	74	I2C_BOARD_INFO("tlv320aic3x", 0x18),
13e1f044 SC	75	},
	76	{
	77	I2C_BOARD_INFO("pcf8574", 0x3f),
	78	.platform_data = &da830_evm_ui_expander_info,
	79	},
8593790d MG	80	};
	81
	82	static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
	83	.bus_freq = 100, /* kHz */
	84	.bus_delay = 0, /* usec */
	85	};
	86
	87	static struct davinci_uart_config da830_evm_uart_config __initdata = {
	88	.enabled_uarts = 0x7,
	89	};
	90
32bf078c MG	91	static const short da830_evm_mcasp1_pins[] = {
	92	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
	93	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
	94	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
	95	DA830_AXR1_11,
	96	-1
	97	};
	98
e33ef5e3 C	99	static u8 da830_iis_serializer_direction[] = {
	100	RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	101	INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
	102	INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	103	};
	104
	105	static struct snd_platform_data da830_evm_snd_data = {
	106	.tx_dma_offset = 0x2000,
	107	.rx_dma_offset = 0x2000,
	108	.op_mode = DAVINCI_MCASP_IIS_MODE,
	109	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
	110	.tdm_slots = 2,
	111	.serial_dir = da830_iis_serializer_direction,
	112	.eventq_no = EVENTQ_0,
	113	.version = MCASP_VERSION_2,
	114	.txnumevt = 1,
	115	.rxnumevt = 1,
	116	};
	117
2eb30c81 DG	118	/*
	119	* GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
	120	*/
	121	static const short da830_evm_mmc_sd_pins[] = {
	122	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
	123	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
	124	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
	125	DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2,
	126	-1
	127	};
	128
	129	#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
	130
	131	static int da830_evm_mmc_get_ro(int index)
	132	{
	133	return gpio_get_value(DA830_MMCSD_WP_PIN);
	134	}
	135
	136	static struct davinci_mmc_config da830_evm_mmc_config = {
	137	.get_ro = da830_evm_mmc_get_ro,
	138	.wires = 4,
	139	.version = MMC_CTLR_VERSION_2,
	140	};
	141
	142	static inline void da830_evm_init_mmc(void)
	143	{
	144	int ret;
	145
	146	ret = da8xx_pinmux_setup(da830_evm_mmc_sd_pins);
	147	if (ret) {
	148	pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
	149	ret);
	150	return;
	151	}
	152
	153	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
	154	if (ret) {
	155	pr_warning("da830_evm_init: can not open GPIO %d\n",
	156	DA830_MMCSD_WP_PIN);
	157	return;
	158	}
	159	gpio_direction_input(DA830_MMCSD_WP_PIN);
	160
	161	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
	162	if (ret) {
	163	pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
	164	ret);
	165	gpio_free(DA830_MMCSD_WP_PIN);
	166	}
	167	}
	168
8593790d MG	169	static __init void da830_evm_init(void)
	170	{
	171	struct davinci_soc_info *soc_info = &davinci_soc_info;
	172	int ret;
	173
	174	ret = da8xx_register_edma();
	175	if (ret)
	176	pr_warning("da830_evm_init: edma registration failed: %d\n",
	177	ret);
	178
c96b56c5	179	ret = da8xx_pinmux_setup(da830_i2c0_pins);
8593790d MG	180	if (ret)
	181	pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
	182	ret);
	183
	184	ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
	185	if (ret)
	186	pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
	187	ret);
	188
	189	soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
	190	soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
	191	soc_info->emac_pdata->rmii_en = 1;
	192
c96b56c5	193	ret = da8xx_pinmux_setup(da830_cpgmac_pins);
8593790d MG	194	if (ret)
	195	pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
	196	ret);
	197
	198	ret = da8xx_register_emac();
	199	if (ret)
	200	pr_warning("da830_evm_init: emac registration failed: %d\n",
	201	ret);
	202
	203	ret = da8xx_register_watchdog();
	204	if (ret)
	205	pr_warning("da830_evm_init: watchdog registration failed: %d\n",
	206	ret);
	207
	208	davinci_serial_init(&da830_evm_uart_config);
	209	i2c_register_board_info(1, da830_evm_i2c_devices,
	210	ARRAY_SIZE(da830_evm_i2c_devices));
e33ef5e3	211
32bf078c	212	ret = da8xx_pinmux_setup(da830_evm_mcasp1_pins);
e33ef5e3 C	213	if (ret)
	214	pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
	215	ret);
	216
b8864aa4	217	da8xx_register_mcasp(1, &da830_evm_snd_data);
2eb30c81 DG	218
2eb30c81 DG	219	da830_evm_init_mmc();
13e1f044 SC	220
	221	#ifdef CONFIG_DA830_UI_LCD
	222	ret = da8xx_pinmux_setup(da830_lcdcntl_pins);
	223	if (ret)
	224	pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
	225	ret);
	226
	227	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
	228	if (ret)
	229	pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
	230	#endif
8593790d MG	231	}
	232
	233	#ifdef CONFIG_SERIAL_8250_CONSOLE
	234	static int __init da830_evm_console_init(void)
	235	{
	236	return add_preferred_console("ttyS", 2, "115200");
	237	}
	238	console_initcall(da830_evm_console_init);
	239	#endif
	240
	241	static __init void da830_evm_irq_init(void)
	242	{
	243	struct davinci_soc_info *soc_info = &davinci_soc_info;
	244
	245	cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
	246	soc_info->intc_irq_prios);
	247	}
	248
	249	static void __init da830_evm_map_io(void)
	250	{
	251	da830_init();
	252	}
	253
baf09a4c	254	MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
8593790d MG	255	.phys_io = IO_PHYS,
	256	.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
	257	.boot_params = (DA8XX_DDR_BASE + 0x100),
	258	.map_io = da830_evm_map_io,
	259	.init_irq = da830_evm_irq_init,
	260	.timer = &davinci_timer,
	261	.init_machine = da830_evm_init,
	262	MACHINE_END