[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-omap1 / board-palmz71.c

/*
 * linux/arch/arm/mach-omap1/board-palmz71.c
 *
 * Modified from board-generic.c
 *
 * Support for the Palm Zire71 PDA.
 *
 * Original version : Laurent Gonzalez
 *
 * Modified for zire71 : Marek Vasut
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

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

#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/dma.h>
#include <mach/tc.h>
#include <mach/board.h>
#include <mach/irda.h>
#include <mach/keypad.h>
#include <mach/common.h>
#include <mach/omap-alsa.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#define PALMZ71_USBDETECT_GPIO	0
#define PALMZ71_PENIRQ_GPIO	6
#define PALMZ71_MMC_WP_GPIO	8
#define PALMZ71_HDQ_GPIO 	11

#define PALMZ71_HOTSYNC_GPIO	OMAP_MPUIO(1)
#define PALMZ71_CABLE_GPIO	OMAP_MPUIO(2)
#define PALMZ71_SLIDER_GPIO	OMAP_MPUIO(3)
#define PALMZ71_MMC_IN_GPIO	OMAP_MPUIO(4)

static void __init
omap_palmz71_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
}

static int palmz71_keymap[] = {
	KEY(0, 0, KEY_F1),
	KEY(0, 1, KEY_F2),
	KEY(0, 2, KEY_F3),
	KEY(0, 3, KEY_F4),
	KEY(0, 4, KEY_POWER),
	KEY(1, 0, KEY_LEFT),
	KEY(1, 1, KEY_DOWN),
	KEY(1, 2, KEY_UP),
	KEY(1, 3, KEY_RIGHT),
	KEY(1, 4, KEY_ENTER),
	KEY(2, 0, KEY_CAMERA),
	0,
};

static struct omap_kp_platform_data palmz71_kp_data = {
	.rows	= 8,
	.cols	= 8,
	.keymap	= palmz71_keymap,
	.rep	= 1,
	.delay	= 80,
};

static struct resource palmz71_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device palmz71_kp_device = {
	.name	= "omap-keypad",
	.id	= -1,
	.dev	= {
		.platform_data = &palmz71_kp_data,
	},
	.num_resources	= ARRAY_SIZE(palmz71_kp_resources),
	.resource	= palmz71_kp_resources,
};

static struct mtd_partition palmz71_rom_partitions[] = {
	/* PalmOS "Small ROM", contains the bootloader and the debugger */
	{
		.name		= "smallrom",
		.offset		= 0,
		.size		= 0xa000,
		.mask_flags	= MTD_WRITEABLE,
	},
	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
	{
		.name	= "bigrom",
		.offset	= SZ_128K,
		/*
		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
		 * 0x7b0000 bytes in the English-only ("enUS") version.
		 */
		.size		= 0x7b0000,
		.mask_flags	= MTD_WRITEABLE,
	},
};

static struct flash_platform_data palmz71_rom_data = {
	.map_name	= "map_rom",
	.name		= "onboardrom",
	.width		= 2,
	.parts		= palmz71_rom_partitions,
	.nr_parts	= ARRAY_SIZE(palmz71_rom_partitions),
};

static struct resource palmz71_rom_resource = {
	.start	= OMAP_CS0_PHYS,
	.end	= OMAP_CS0_PHYS + SZ_8M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device palmz71_rom_device = {
	.name	= "omapflash",
	.id	= -1,
	.dev = {
		.platform_data = &palmz71_rom_data,
	},
	.num_resources	= 1,
	.resource	= &palmz71_rom_resource,
};

static struct platform_device palmz71_lcd_device = {
	.name	= "lcd_palmz71",
	.id	= -1,
};

static struct omap_irda_config palmz71_irda_config = {
	.transceiver_cap	= IR_SIRMODE,
	.rx_channel		= OMAP_DMA_UART3_RX,
	.tx_channel		= OMAP_DMA_UART3_TX,
	.dest_start		= UART3_THR,
	.src_start		= UART3_RHR,
	.tx_trigger		= 0,
	.rx_trigger		= 0,
};

static struct resource palmz71_irda_resources[] = {
	[0] = {
		.start	= INT_UART3,
		.end	= INT_UART3,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device palmz71_irda_device = {
	.name	= "omapirda",
	.id	= -1,
	.dev = {
		.platform_data = &palmz71_irda_config,
	},
	.num_resources	= ARRAY_SIZE(palmz71_irda_resources),
	.resource	= palmz71_irda_resources,
};

static struct platform_device palmz71_spi_device = {
	.name	= "spi_palmz71",
	.id	= -1,
};

static struct omap_backlight_config palmz71_backlight_config = {
	.default_intensity	= 0xa0,
};

static struct platform_device palmz71_backlight_device = {
	.name	= "omap-bl",
	.id	= -1,
	.dev	= {
		.platform_data = &palmz71_backlight_config,
	},
};

static struct platform_device *devices[] __initdata = {
	&palmz71_rom_device,
	&palmz71_kp_device,
	&palmz71_lcd_device,
	&palmz71_irda_device,
	&palmz71_spi_device,
	&palmz71_backlight_device,
};

static int
palmz71_get_pendown_state(void)
{
	return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
}

static const struct ads7846_platform_data palmz71_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= palmz71_get_pendown_state,
};

static struct spi_board_info __initdata palmz71_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias	= "ads7846",
	.platform_data	= &palmz71_ts_info,
	.irq		= OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
	.max_speed_hz	= 120000	/* max sample rate at 3V */
				* 26	/* command + data + overhead */,
	.bus_num	= 2,
	.chip_select	= 0,
} };

static struct omap_usb_config palmz71_usb_config __initdata = {
	.register_dev	= 1,	/* Mini-B only receptacle */
	.hmc_mode	= 0,
	.pins[0]	= 2,
};

static struct omap_lcd_config palmz71_lcd_config __initdata = {
	.ctrl_name = "internal",
};

static struct omap_board_config_kernel palmz71_config[] __initdata = {
	{OMAP_TAG_LCD,	&palmz71_lcd_config},
};

static irqreturn_t
palmz71_powercable(int irq, void *dev_id)
{
	if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
		printk(KERN_INFO "PM: Power cable connected\n");
		set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
				IRQ_TYPE_EDGE_FALLING);
	} else {
		printk(KERN_INFO "PM: Power cable disconnected\n");
		set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
				IRQ_TYPE_EDGE_RISING);
	}
	return IRQ_HANDLED;
}

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
palmz71_gpio_setup(int early)
{
	if (early) {
		/* Only set GPIO1 so we have a working serial */
		gpio_direction_output(1, 1);
	} else {
		/* Set MMC/SD host WP pin as input */
		if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
			printk(KERN_ERR "Could not reserve WP GPIO!\n");
			return;
		}
		gpio_direction_input(PALMZ71_MMC_WP_GPIO);

		/* Monitor the Power-cable-connected signal */
		if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
			printk(KERN_ERR
				"Could not reserve cable signal GPIO!\n");
			return;
		}
		gpio_direction_input(PALMZ71_USBDETECT_GPIO);
		if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
				palmz71_powercable, IRQF_SAMPLE_RANDOM,
				"palmz71-cable", 0))
			printk(KERN_ERR
					"IRQ request for power cable failed!\n");
		palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
	}
}

static void __init
omap_palmz71_init(void)
{
	palmz71_gpio_setup(1);
	omap_mpu_wdt_mode(0);

	omap_board_config = palmz71_config;
	omap_board_config_size = ARRAY_SIZE(palmz71_config);

	platform_add_devices(devices, ARRAY_SIZE(devices));

	spi_register_board_info(palmz71_boardinfo,
				ARRAY_SIZE(palmz71_boardinfo));
	omap_usb_init(&palmz71_usb_config);
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
	palmz71_gpio_setup(0);
}

static void __init
omap_palmz71_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
	.phys_io = 0xfff00000,
	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
	.init_irq = omap_palmz71_init_irq,
	.init_machine = omap_palmz71_init,
	.timer = &omap_timer,
MACHINE_END
Commit	Line	Data
ec70e8af MV	1	/*
	2	* linux/arch/arm/mach-omap1/board-palmz71.c
	3	*
	4	* Modified from board-generic.c
	5	*
	6	* Support for the Palm Zire71 PDA.
	7	*
	8	* Original version : Laurent Gonzalez
	9	*
	10	* Modified for zire71 : Marek Vasut
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License version 2 as
	14	* published by the Free Software Foundation.
	15	*/
	16
	17	#include <linux/delay.h>
	18	#include <linux/kernel.h>
	19	#include <linux/init.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/notifier.h>
	22	#include <linux/clk.h>
	23	#include <linux/irq.h>
	24	#include <linux/input.h>
	25	#include <linux/interrupt.h>
	26	#include <linux/mtd/mtd.h>
	27	#include <linux/mtd/partitions.h>
	28
a09e64fb	29	#include <mach/hardware.h>
ec70e8af MV	30	#include <asm/mach-types.h>
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33	#include <asm/mach/flash.h>
	34
a09e64fb RK	35	#include <mach/gpio.h>
	36	#include <mach/mux.h>
	37	#include <mach/usb.h>
	38	#include <mach/dma.h>
	39	#include <mach/tc.h>
	40	#include <mach/board.h>
	41	#include <mach/irda.h>
	42	#include <mach/keypad.h>
	43	#include <mach/common.h>
	44	#include <mach/omap-alsa.h>
ec70e8af	45
ec70e8af MV	46	#include <linux/spi/spi.h>
	47	#include <linux/spi/ads7846.h>
	48
b2830810 TL	49	#define PALMZ71_USBDETECT_GPIO 0
	50	#define PALMZ71_PENIRQ_GPIO 6
	51	#define PALMZ71_MMC_WP_GPIO 8
	52	#define PALMZ71_HDQ_GPIO 11
	53
	54	#define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1)
	55	#define PALMZ71_CABLE_GPIO OMAP_MPUIO(2)
	56	#define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3)
	57	#define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4)
	58
ec70e8af MV	59	static void __init
	60	omap_palmz71_init_irq(void)
	61	{
	62	omap1_init_common_hw();
	63	omap_init_irq();
	64	omap_gpio_init();
	65	}
	66
	67	static int palmz71_keymap[] = {
	68	KEY(0, 0, KEY_F1),
	69	KEY(0, 1, KEY_F2),
	70	KEY(0, 2, KEY_F3),
	71	KEY(0, 3, KEY_F4),
	72	KEY(0, 4, KEY_POWER),
	73	KEY(1, 0, KEY_LEFT),
	74	KEY(1, 1, KEY_DOWN),
	75	KEY(1, 2, KEY_UP),
	76	KEY(1, 3, KEY_RIGHT),
ec44dfa8	77	KEY(1, 4, KEY_ENTER),
ec70e8af MV	78	KEY(2, 0, KEY_CAMERA),
	79	0,
	80	};
	81
	82	static struct omap_kp_platform_data palmz71_kp_data = {
	83	.rows = 8,
	84	.cols = 8,
	85	.keymap = palmz71_keymap,
	86	.rep = 1,
	87	.delay = 80,
	88	};
	89
	90	static struct resource palmz71_kp_resources[] = {
	91	[0] = {
	92	.start = INT_KEYBOARD,
	93	.end = INT_KEYBOARD,
	94	.flags = IORESOURCE_IRQ,
	95	},
	96	};
	97
	98	static struct platform_device palmz71_kp_device = {
	99	.name = "omap-keypad",
	100	.id = -1,
	101	.dev = {
	102	.platform_data = &palmz71_kp_data,
	103	},
	104	.num_resources = ARRAY_SIZE(palmz71_kp_resources),
	105	.resource = palmz71_kp_resources,
	106	};
	107
	108	static struct mtd_partition palmz71_rom_partitions[] = {
	109	/* PalmOS "Small ROM", contains the bootloader and the debugger */
	110	{
	111	.name = "smallrom",
	112	.offset = 0,
	113	.size = 0xa000,
	114	.mask_flags = MTD_WRITEABLE,
	115	},
	116	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
	117	{
	118	.name = "bigrom",
	119	.offset = SZ_128K,
	120	/*
	121	* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
	122	* 0x7b0000 bytes in the English-only ("enUS") version.
	123	*/
	124	.size = 0x7b0000,
	125	.mask_flags = MTD_WRITEABLE,
	126	},
	127	};
	128
	129	static struct flash_platform_data palmz71_rom_data = {
	130	.map_name = "map_rom",
	131	.name = "onboardrom",
	132	.width = 2,
	133	.parts = palmz71_rom_partitions,
	134	.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
	135	};
	136
	137	static struct resource palmz71_rom_resource = {
	138	.start = OMAP_CS0_PHYS,
	139	.end = OMAP_CS0_PHYS + SZ_8M - 1,
	140	.flags = IORESOURCE_MEM,
	141	};
142
143	static struct platform_device palmz71_rom_device = {
144	.name = "omapflash",
145	.id = -1,
146	.dev = {
147	.platform_data = &palmz71_rom_data,
148	},
149	.num_resources = 1,
150	.resource = &palmz71_rom_resource,
151	};
152
153	static struct platform_device palmz71_lcd_device = {
154	.name = "lcd_palmz71",
155	.id = -1,
156	};
157
158	static struct omap_irda_config palmz71_irda_config = {
159	.transceiver_cap = IR_SIRMODE,
160	.rx_channel = OMAP_DMA_UART3_RX,
161	.tx_channel = OMAP_DMA_UART3_TX,
162	.dest_start = UART3_THR,
163	.src_start = UART3_RHR,
164	.tx_trigger = 0,
165	.rx_trigger = 0,
166	};
167
168	static struct resource palmz71_irda_resources[] = {
169	[0] = {
170	.start = INT_UART3,
171	.end = INT_UART3,
172	.flags = IORESOURCE_IRQ,
173	},
174	};
175
176	static struct platform_device palmz71_irda_device = {
177	.name = "omapirda",
178	.id = -1,
179	.dev = {
180	.platform_data = &palmz71_irda_config,
181	},
182	.num_resources = ARRAY_SIZE(palmz71_irda_resources),
183	.resource = palmz71_irda_resources,
184	};
185
186	static struct platform_device palmz71_spi_device = {
187	.name = "spi_palmz71",
188	.id = -1,
189	};
190
ec70e8af MV	191	static struct omap_backlight_config palmz71_backlight_config = {
	192	.default_intensity = 0xa0,
	193	};
	194
	195	static struct platform_device palmz71_backlight_device = {
	196	.name = "omap-bl",
	197	.id = -1,
	198	.dev = {
	199	.platform_data = &palmz71_backlight_config,
	200	},
	201	};
	202
	203	static struct platform_device *devices[] __initdata = {
	204	&palmz71_rom_device,
	205	&palmz71_kp_device,
ec70e8af MV	206	&palmz71_lcd_device,
	207	&palmz71_irda_device,
	208	&palmz71_spi_device,
	209	&palmz71_backlight_device,
	210	};
	211
	212	static int
	213	palmz71_get_pendown_state(void)
	214	{
0b84b5ca	215	return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
ec70e8af MV	216	}
	217
	218	static const struct ads7846_platform_data palmz71_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 = palmz71_get_pendown_state,
	224	};
	225
	226	static struct spi_board_info __initdata palmz71_boardinfo[] = { {
	227	/* MicroWire (bus 2) CS0 has an ads7846e */
	228	.modalias = "ads7846",
	229	.platform_data = &palmz71_ts_info,
	230	.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
	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	static struct omap_usb_config palmz71_usb_config __initdata = {
	238	.register_dev = 1, /* Mini-B only receptacle */
	239	.hmc_mode = 0,
	240	.pins[0] = 2,
	241	};
	242
ec70e8af MV	243	static struct omap_lcd_config palmz71_lcd_config __initdata = {
	244	.ctrl_name = "internal",
	245	};
	246
e27a93a9	247	static struct omap_board_config_kernel palmz71_config[] __initdata = {
ec70e8af	248	{OMAP_TAG_LCD, &palmz71_lcd_config},
ec70e8af MV	249	};
	250
	251	static irqreturn_t
	252	palmz71_powercable(int irq, void *dev_id)
	253	{
0b84b5ca	254	if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
ec70e8af	255	printk(KERN_INFO "PM: Power cable connected\n");
15f74b03	256	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
6cab4860	257	IRQ_TYPE_EDGE_FALLING);
ec70e8af MV	258	} else {
ec70e8af MV	259	printk(KERN_INFO "PM: Power cable disconnected\n");
15f74b03	260	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
6cab4860	261	IRQ_TYPE_EDGE_RISING);
ec70e8af MV	262	}
	263	return IRQ_HANDLED;
	264	}
	265
	266	static void __init
	267	omap_mpu_wdt_mode(int mode)
	268	{
	269	if (mode)
	270	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	271	else {
	272	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
	273	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	274	}
	275	}
	276
	277	static void __init
	278	palmz71_gpio_setup(int early)
	279	{
	280	if (early) {
	281	/* Only set GPIO1 so we have a working serial */
e918edf7	282	gpio_direction_output(1, 1);
ec70e8af MV	283	} else {
ec70e8af MV	284	/* Set MMC/SD host WP pin as input */
f2d18fea	285	if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
ec70e8af MV	286	printk(KERN_ERR "Could not reserve WP GPIO!\n");
	287	return;
	288	}
40e3925b	289	gpio_direction_input(PALMZ71_MMC_WP_GPIO);
ec70e8af MV	290
ec70e8af MV	291	/* Monitor the Power-cable-connected signal */
f2d18fea	292	if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
ec70e8af MV	293	printk(KERN_ERR
	294	"Could not reserve cable signal GPIO!\n");
	295	return;
	296	}
40e3925b	297	gpio_direction_input(PALMZ71_USBDETECT_GPIO);
15f74b03	298	if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
ec70e8af MV	299	palmz71_powercable, IRQF_SAMPLE_RANDOM,
	300	"palmz71-cable", 0))
	301	printk(KERN_ERR
	302	"IRQ request for power cable failed!\n");
15f74b03	303	palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
ec70e8af MV	304	}
	305	}
	306
	307	static void __init
	308	omap_palmz71_init(void)
	309	{
	310	palmz71_gpio_setup(1);
	311	omap_mpu_wdt_mode(0);
	312
	313	omap_board_config = palmz71_config;
	314	omap_board_config_size = ARRAY_SIZE(palmz71_config);
	315
	316	platform_add_devices(devices, ARRAY_SIZE(devices));
	317
	318	spi_register_board_info(palmz71_boardinfo,
	319	ARRAY_SIZE(palmz71_boardinfo));
b0b5aa3f	320	omap_usb_init(&palmz71_usb_config);
ec70e8af	321	omap_serial_init();
1ed16a86	322	omap_register_i2c_bus(1, 100, NULL, 0);
ec70e8af MV	323	palmz71_gpio_setup(0);
	324	}
	325
	326	static void __init
	327	omap_palmz71_map_io(void)
	328	{
	329	omap1_map_common_io();
	330	}
	331
	332	MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
	333	.phys_io = 0xfff00000,
	334	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	335	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
	336	.init_irq = omap_palmz71_init_irq,
	337	.init_machine = omap_palmz71_init,
	338	.timer = &omap_timer,
	339	MACHINE_END