[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-omap1 / board-palmtt.c

/*
 * linux/arch/arm/mach-omap1/board-palmtt.c
 *
 * Modified from board-palmtt2.c
 *
 * Modified and amended for Palm Tungsten|T
 * by Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/leds.h>
#include <linux/omapfb.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/platform_data/omap1_bl.h>
#include <linux/platform_data/leds-omap.h>

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

#include "flash.h"
#include <mach/mux.h>
#include <linux/omap-dma.h>
#include <mach/tc.h>
#include <linux/platform_data/keypad-omap.h>

#include <mach/hardware.h>
#include <mach/usb.h>

#include "common.h"

#define PALMTT_USBDETECT_GPIO	0
#define PALMTT_CABLE_GPIO	1
#define PALMTT_LED_GPIO		3
#define PALMTT_PENIRQ_GPIO	6
#define PALMTT_MMC_WP_GPIO	8
#define PALMTT_HDQ_GPIO		11

static const unsigned int palmtt_keymap[] = {
	KEY(0, 0, KEY_ESC),
	KEY(1, 0, KEY_SPACE),
	KEY(2, 0, KEY_LEFTCTRL),
	KEY(3, 0, KEY_TAB),
	KEY(4, 0, KEY_ENTER),
	KEY(0, 1, KEY_LEFT),
	KEY(1, 1, KEY_DOWN),
	KEY(2, 1, KEY_UP),
	KEY(3, 1, KEY_RIGHT),
	KEY(0, 2, KEY_SLEEP),
	KEY(4, 2, KEY_Y),
};

static struct mtd_partition palmtt_partitions[] = {
	{
		.name		= "write8k",
		.offset		= 0,
		.size		= SZ_8K,
		.mask_flags	= 0,
	},
	{
		.name		= "PalmOS-BootLoader(ro)",
		.offset		= SZ_8K,
		.size		= 7 * SZ_8K,
		.mask_flags	= MTD_WRITEABLE,
	},
	{
		.name		= "u-boot",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 8 * SZ_8K,
		.mask_flags	= 0,
	},
	{
		.name		= "PalmOS-FS(ro)",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
		.mask_flags	= MTD_WRITEABLE,
	},
	{
		.name		= "u-boot(rez)",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_128K,
		.mask_flags	= 0
	},
	{
		.name		= "empty",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0
	}
};

static struct physmap_flash_data palmtt_flash_data = {
	.width		= 2,
	.set_vpp	= omap1_set_vpp,
	.parts		= palmtt_partitions,
	.nr_parts	= ARRAY_SIZE(palmtt_partitions),
};

static struct resource palmtt_flash_resource = {
	.start		= OMAP_CS0_PHYS,
	.end		= OMAP_CS0_PHYS + SZ_8M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device palmtt_flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &palmtt_flash_data,
	},
	.num_resources	= 1,
	.resource	= &palmtt_flash_resource,
};

static struct resource palmtt_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

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

static struct omap_kp_platform_data palmtt_kp_data = {
	.rows	= 6,
	.cols	= 3,
	.keymap_data = &palmtt_keymap_data,
};

static struct platform_device palmtt_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &palmtt_kp_data,
	},
	.num_resources	= ARRAY_SIZE(palmtt_kp_resources),
	.resource	= palmtt_kp_resources,
};

static struct platform_device palmtt_lcd_device = {
	.name		= "lcd_palmtt",
	.id		= -1,
};

static struct platform_device palmtt_spi_device = {
	.name		= "spi_palmtt",
	.id		= -1,
};

static struct omap_backlight_config palmtt_backlight_config = {
	.default_intensity	= 0xa0,
};

static struct platform_device palmtt_backlight_device = {
	.name		= "omap-bl",
	.id		= -1,
	.dev		= {
		.platform_data= &palmtt_backlight_config,
	},
};

static struct omap_led_config palmtt_led_config[] = {
	{
		.cdev	= {
			.name	= "palmtt:led0",
		},
		.gpio	= PALMTT_LED_GPIO,
	},
};

static struct omap_led_platform_data palmtt_led_data = {
	.nr_leds	= ARRAY_SIZE(palmtt_led_config),
	.leds		= palmtt_led_config,
};

static struct platform_device palmtt_led_device = {
	.name	= "omap-led",
	.id	= -1,
	.dev	= {
		.platform_data	= &palmtt_led_data,
	},
};

static struct platform_device *palmtt_devices[] __initdata = {
	&palmtt_flash_device,
	&palmtt_kp_device,
	&palmtt_lcd_device,
	&palmtt_spi_device,
	&palmtt_backlight_device,
	&palmtt_led_device,
};

static int palmtt_get_pendown_state(void)
{
	return !gpio_get_value(6);
}

static const struct ads7846_platform_data palmtt_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= palmtt_get_pendown_state,
};

static struct spi_board_info __initdata palmtt_boardinfo[] = {
	{
		/* MicroWire (bus 2) CS0 has an ads7846e */
		.modalias	= "ads7846",
		.platform_data	= &palmtt_ts_info,
		.max_speed_hz	= 120000	/* max sample rate at 3V */
					* 26	/* command + data + overhead */,
		.bus_num	= 2,
		.chip_select	= 0,
	}
};

static struct omap_usb_config palmtt_usb_config __initdata = {
	.register_dev	= 1,
	.hmc_mode	= 0,
	.pins[0]	= 2,
};

static const struct omap_lcd_config palmtt_lcd_config __initconst = {
	.ctrl_name	= "internal",
};

static void __init omap_mpu_wdt_mode(int mode) {
	if (mode)
		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	else {
		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	}
}

static void __init omap_palmtt_init(void)
{
	/* mux pins for uarts */
	omap_cfg_reg(UART1_TX);
	omap_cfg_reg(UART1_RTS);
	omap_cfg_reg(UART2_TX);
	omap_cfg_reg(UART2_RTS);
	omap_cfg_reg(UART3_TX);
	omap_cfg_reg(UART3_RX);

	omap_mpu_wdt_mode(0);

	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));

	palmtt_boardinfo[0].irq = gpio_to_irq(6);
	spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
	omap_serial_init();
	omap1_usb_init(&palmtt_usb_config);
	omap_register_i2c_bus(1, 100, NULL, 0);

	omapfb_set_lcd_config(&palmtt_lcd_config);
}

MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
	.atag_offset	= 0x100,
	.map_io		= omap15xx_map_io,
	.init_early     = omap1_init_early,
	.init_irq	= omap1_init_irq,
	.handle_irq	= omap1_handle_irq,
	.init_machine	= omap_palmtt_init,
	.init_late	= omap1_init_late,
	.init_time	= omap1_timer_init,
	.restart	= omap1_restart,
MACHINE_END
Commit	Line	Data
dc563b4f MV	1	/*
	2	* linux/arch/arm/mach-omap1/board-palmtt.c
	3	*
	4	* Modified from board-palmtt2.c
	5	*
	6	* Modified and amended for Palm Tungsten\|T
	7	* by Marek Vasut <marek.vasut@gmail.com>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#include <linux/delay.h>
2f8163ba	15	#include <linux/gpio.h>
dc563b4f MV	16	#include <linux/kernel.h>
	17	#include <linux/init.h>
	18	#include <linux/platform_device.h>
	19	#include <linux/notifier.h>
	20	#include <linux/clk.h>
	21	#include <linux/input.h>
	22	#include <linux/interrupt.h>
	23	#include <linux/mtd/mtd.h>
	24	#include <linux/mtd/partitions.h>
561b036a	25	#include <linux/mtd/physmap.h>
dc563b4f	26	#include <linux/leds.h>
ddba6c7f	27	#include <linux/omapfb.h>
2e3ee9f4 TL	28	#include <linux/spi/spi.h>
2e3ee9f4 TL	29	#include <linux/spi/ads7846.h>
cc012729	30	#include <linux/platform_data/omap1_bl.h>
a8f7445c	31	#include <linux/platform_data/leds-omap.h>
dc563b4f	32
dc563b4f MV	33	#include <asm/mach-types.h>
	34	#include <asm/mach/arch.h>
	35	#include <asm/mach/map.h>
dc563b4f	36
100f9638	37	#include "flash.h"
70c494c3	38	#include <mach/mux.h>
45c3eb7d	39	#include <linux/omap-dma.h>
54b693d4	40	#include <mach/tc.h>
2203747c	41	#include <linux/platform_data/keypad-omap.h>
dc563b4f	42
2e3ee9f4	43	#include <mach/hardware.h>
b924b204	44	#include <mach/usb.h>
2e3ee9f4 TL	45
2e3ee9f4 TL	46	#include "common.h"
dc563b4f	47
b2830810 TL	48	#define PALMTT_USBDETECT_GPIO 0
	49	#define PALMTT_CABLE_GPIO 1
	50	#define PALMTT_LED_GPIO 3
	51	#define PALMTT_PENIRQ_GPIO 6
	52	#define PALMTT_MMC_WP_GPIO 8
	53	#define PALMTT_HDQ_GPIO 11
	54
da1f026b	55	static const unsigned int palmtt_keymap[] = {
dc563b4f	56	KEY(0, 0, KEY_ESC),
da1f026b JK	57	KEY(1, 0, KEY_SPACE),
	58	KEY(2, 0, KEY_LEFTCTRL),
	59	KEY(3, 0, KEY_TAB),
	60	KEY(4, 0, KEY_ENTER),
	61	KEY(0, 1, KEY_LEFT),
dc563b4f	62	KEY(1, 1, KEY_DOWN),
da1f026b JK	63	KEY(2, 1, KEY_UP),
	64	KEY(3, 1, KEY_RIGHT),
	65	KEY(0, 2, KEY_SLEEP),
	66	KEY(4, 2, KEY_Y),
dc563b4f MV	67	};
	68
	69	static struct mtd_partition palmtt_partitions[] = {
	70	{
	71	.name = "write8k",
	72	.offset = 0,
	73	.size = SZ_8K,
	74	.mask_flags = 0,
	75	},
	76	{
	77	.name = "PalmOS-BootLoader(ro)",
	78	.offset = SZ_8K,
	79	.size = 7 * SZ_8K,
	80	.mask_flags = MTD_WRITEABLE,
	81	},
	82	{
	83	.name = "u-boot",
	84	.offset = MTDPART_OFS_APPEND,
	85	.size = 8 * SZ_8K,
	86	.mask_flags = 0,
	87	},
	88	{
	89	.name = "PalmOS-FS(ro)",
	90	.offset = MTDPART_OFS_APPEND,
	91	.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
	92	.mask_flags = MTD_WRITEABLE,
	93	},
	94	{
	95	.name = "u-boot(rez)",
	96	.offset = MTDPART_OFS_APPEND,
	97	.size = SZ_128K,
	98	.mask_flags = 0
	99	},
	100	{
	101	.name = "empty",
	102	.offset = MTDPART_OFS_APPEND,
	103	.size = MTDPART_SIZ_FULL,
	104	.mask_flags = 0
	105	}
	106	};
	107
561b036a	108	static struct physmap_flash_data palmtt_flash_data = {
dc563b4f	109	.width = 2,
561b036a	110	.set_vpp = omap1_set_vpp,
dc563b4f MV	111	.parts = palmtt_partitions,
	112	.nr_parts = ARRAY_SIZE(palmtt_partitions),
	113	};
	114
	115	static struct resource palmtt_flash_resource = {
	116	.start = OMAP_CS0_PHYS,
	117	.end = OMAP_CS0_PHYS + SZ_8M - 1,
	118	.flags = IORESOURCE_MEM,
	119	};
	120
	121	static struct platform_device palmtt_flash_device = {
561b036a	122	.name = "physmap-flash",
dc563b4f MV	123	.id = 0,
	124	.dev = {
	125	.platform_data = &palmtt_flash_data,
	126	},
	127	.num_resources = 1,
	128	.resource = &palmtt_flash_resource,
	129	};
	130
dc563b4f MV	131	static struct resource palmtt_kp_resources[] = {
	132	[0] = {
	133	.start = INT_KEYBOARD,
	134	.end = INT_KEYBOARD,
	135	.flags = IORESOURCE_IRQ,
	136	},
	137	};
	138
da1f026b JK	139	static const struct matrix_keymap_data palmtt_keymap_data = {
	140	.keymap = palmtt_keymap,
	141	.keymap_size = ARRAY_SIZE(palmtt_keymap),
	142	};
	143
dc563b4f MV	144	static struct omap_kp_platform_data palmtt_kp_data = {
	145	.rows = 6,
	146	.cols = 3,
da1f026b	147	.keymap_data = &palmtt_keymap_data,
dc563b4f MV	148	};
	149
	150	static struct platform_device palmtt_kp_device = {
	151	.name = "omap-keypad",
	152	.id = -1,
	153	.dev = {
	154	.platform_data = &palmtt_kp_data,
	155	},
	156	.num_resources = ARRAY_SIZE(palmtt_kp_resources),
	157	.resource = palmtt_kp_resources,
	158	};
	159
	160	static struct platform_device palmtt_lcd_device = {
	161	.name = "lcd_palmtt",
	162	.id = -1,
	163	};
dc563b4f MV	164
	165	static struct platform_device palmtt_spi_device = {
	166	.name = "spi_palmtt",
	167	.id = -1,
	168	};
	169
	170	static struct omap_backlight_config palmtt_backlight_config = {
	171	.default_intensity = 0xa0,
	172	};
	173
	174	static struct platform_device palmtt_backlight_device = {
	175	.name = "omap-bl",
	176	.id = -1,
	177	.dev = {
	178	.platform_data= &palmtt_backlight_config,
	179	},
	180	};
	181
	182	static struct omap_led_config palmtt_led_config[] = {
	183	{
	184	.cdev = {
	185	.name = "palmtt:led0",
	186	},
	187	.gpio = PALMTT_LED_GPIO,
	188	},
	189	};
	190
	191	static struct omap_led_platform_data palmtt_led_data = {
	192	.nr_leds = ARRAY_SIZE(palmtt_led_config),
	193	.leds = palmtt_led_config,
	194	};
	195
	196	static struct platform_device palmtt_led_device = {
	197	.name = "omap-led",
	198	.id = -1,
	199	.dev = {
	200	.platform_data = &palmtt_led_data,
	201	},
	202	};
	203
	204	static struct platform_device *palmtt_devices[] __initdata = {
	205	&palmtt_flash_device,
dc563b4f MV	206	&palmtt_kp_device,
dc563b4f MV	207	&palmtt_lcd_device,
dc563b4f MV	208	&palmtt_spi_device,
	209	&palmtt_backlight_device,
	210	&palmtt_led_device,
	211	};
	212
	213	static int palmtt_get_pendown_state(void)
	214	{
0b84b5ca	215	return !gpio_get_value(6);
dc563b4f MV	216	}
	217
	218	static const struct ads7846_platform_data palmtt_ts_info = {
	219	.model = 7846,
	220	.vref_delay_usecs = 100, /* internal, no capacitor */
	221	.x_plate_ohms = 419,
	222	.y_plate_ohms = 486,
	223	.get_pendown_state = palmtt_get_pendown_state,
	224	};
	225
	226	static struct spi_board_info __initdata palmtt_boardinfo[] = {
	227	{
	228	/* MicroWire (bus 2) CS0 has an ads7846e */
	229	.modalias = "ads7846",
	230	.platform_data = &palmtt_ts_info,
dc563b4f MV	231	.max_speed_hz = 120000 /* max sample rate at 3V */
	232	* 26 /* command + data + overhead */,
	233	.bus_num = 2,
	234	.chip_select = 0,
	235	}
	236	};
	237
dc563b4f MV	238	static struct omap_usb_config palmtt_usb_config __initdata = {
	239	.register_dev = 1,
	240	.hmc_mode = 0,
	241	.pins[0] = 2,
	242	};
	243
d25c70cf	244	static const struct omap_lcd_config palmtt_lcd_config __initconst = {
dc563b4f MV	245	.ctrl_name = "internal",
	246	};
	247
dc563b4f MV	248	static void __init omap_mpu_wdt_mode(int mode) {
	249	if (mode)
	250	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	251	else {
	252	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
	253	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	254	}
	255	}
	256
	257	static void __init omap_palmtt_init(void)
	258	{
c33da3a8 JK	259	/* mux pins for uarts */
	260	omap_cfg_reg(UART1_TX);
	261	omap_cfg_reg(UART1_RTS);
	262	omap_cfg_reg(UART2_TX);
	263	omap_cfg_reg(UART2_RTS);
	264	omap_cfg_reg(UART3_TX);
	265	omap_cfg_reg(UART3_RX);
	266
dc563b4f MV	267	omap_mpu_wdt_mode(0);
dc563b4f MV	268
dc563b4f MV	269	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
dc563b4f MV	270
46a0a540	271	palmtt_boardinfo[0].irq = gpio_to_irq(6);
dc563b4f MV	272	spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
dc563b4f MV	273	omap_serial_init();
dd0cdd88	274	omap1_usb_init(&palmtt_usb_config);
1ed16a86	275	omap_register_i2c_bus(1, 100, NULL, 0);
ddba6c7f TV	276
ddba6c7f TV	277	omapfb_set_lcd_config(&palmtt_lcd_config);
dc563b4f MV	278	}
dc563b4f MV	279
dc563b4f	280	MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten\|T")
246e389d	281	.atag_offset = 0x100,
7b88e62f TL	282	.map_io = omap15xx_map_io,
7b88e62f TL	283	.init_early = omap1_init_early,
7b88e62f	284	.init_irq = omap1_init_irq,
b694331c	285	.handle_irq = omap1_handle_irq,
dc563b4f	286	.init_machine = omap_palmtt_init,
82c3bd03	287	.init_late = omap1_init_late,
6bb27d73	288	.init_time = omap1_timer_init,
baa95883	289	.restart = omap1_restart,
dc563b4f	290	MACHINE_END