[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>

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_uart_config palmz71_uart_config __initdata = {
	.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
};

static struct omap_board_config_kernel palmz71_config[] __initdata = {
	{OMAP_TAG_USB,	&palmz71_usb_config},
	{OMAP_TAG_LCD,	&palmz71_lcd_config},
	{OMAP_TAG_UART,	&palmz71_uart_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_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
	49	static void __init
	50	omap_palmz71_init_irq(void)
	51	{
	52	omap1_init_common_hw();
	53	omap_init_irq();
	54	omap_gpio_init();
	55	}
	56
	57	static int palmz71_keymap[] = {
	58	KEY(0, 0, KEY_F1),
	59	KEY(0, 1, KEY_F2),
	60	KEY(0, 2, KEY_F3),
	61	KEY(0, 3, KEY_F4),
	62	KEY(0, 4, KEY_POWER),
	63	KEY(1, 0, KEY_LEFT),
	64	KEY(1, 1, KEY_DOWN),
	65	KEY(1, 2, KEY_UP),
	66	KEY(1, 3, KEY_RIGHT),
ec44dfa8	67	KEY(1, 4, KEY_ENTER),
ec70e8af MV	68	KEY(2, 0, KEY_CAMERA),
	69	0,
	70	};
	71
	72	static struct omap_kp_platform_data palmz71_kp_data = {
	73	.rows = 8,
	74	.cols = 8,
	75	.keymap = palmz71_keymap,
	76	.rep = 1,
	77	.delay = 80,
	78	};
	79
	80	static struct resource palmz71_kp_resources[] = {
	81	[0] = {
	82	.start = INT_KEYBOARD,
	83	.end = INT_KEYBOARD,
	84	.flags = IORESOURCE_IRQ,
	85	},
	86	};
	87
	88	static struct platform_device palmz71_kp_device = {
	89	.name = "omap-keypad",
	90	.id = -1,
	91	.dev = {
	92	.platform_data = &palmz71_kp_data,
	93	},
	94	.num_resources = ARRAY_SIZE(palmz71_kp_resources),
	95	.resource = palmz71_kp_resources,
	96	};
	97
	98	static struct mtd_partition palmz71_rom_partitions[] = {
	99	/* PalmOS "Small ROM", contains the bootloader and the debugger */
	100	{
	101	.name = "smallrom",
	102	.offset = 0,
	103	.size = 0xa000,
	104	.mask_flags = MTD_WRITEABLE,
	105	},
	106	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
	107	{
	108	.name = "bigrom",
	109	.offset = SZ_128K,
	110	/*
	111	* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
	112	* 0x7b0000 bytes in the English-only ("enUS") version.
	113	*/
	114	.size = 0x7b0000,
	115	.mask_flags = MTD_WRITEABLE,
	116	},
	117	};
	118
	119	static struct flash_platform_data palmz71_rom_data = {
	120	.map_name = "map_rom",
	121	.name = "onboardrom",
	122	.width = 2,
	123	.parts = palmz71_rom_partitions,
	124	.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
	125	};
	126
	127	static struct resource palmz71_rom_resource = {
	128	.start = OMAP_CS0_PHYS,
	129	.end = OMAP_CS0_PHYS + SZ_8M - 1,
	130	.flags = IORESOURCE_MEM,
	131	};
132
133	static struct platform_device palmz71_rom_device = {
134	.name = "omapflash",
135	.id = -1,
136	.dev = {
137	.platform_data = &palmz71_rom_data,
138	},
139	.num_resources = 1,
140	.resource = &palmz71_rom_resource,
141	};
142
143	static struct platform_device palmz71_lcd_device = {
144	.name = "lcd_palmz71",
145	.id = -1,
146	};
147
148	static struct omap_irda_config palmz71_irda_config = {
149	.transceiver_cap = IR_SIRMODE,
150	.rx_channel = OMAP_DMA_UART3_RX,
151	.tx_channel = OMAP_DMA_UART3_TX,
152	.dest_start = UART3_THR,
153	.src_start = UART3_RHR,
154	.tx_trigger = 0,
155	.rx_trigger = 0,
156	};
157
158	static struct resource palmz71_irda_resources[] = {
159	[0] = {
160	.start = INT_UART3,
161	.end = INT_UART3,
162	.flags = IORESOURCE_IRQ,
163	},
164	};
165
166	static struct platform_device palmz71_irda_device = {
167	.name = "omapirda",
168	.id = -1,
169	.dev = {
170	.platform_data = &palmz71_irda_config,
171	},
172	.num_resources = ARRAY_SIZE(palmz71_irda_resources),
173	.resource = palmz71_irda_resources,
174	};
175
176	static struct platform_device palmz71_spi_device = {
177	.name = "spi_palmz71",
178	.id = -1,
179	};
180
ec70e8af MV	181	static struct omap_backlight_config palmz71_backlight_config = {
	182	.default_intensity = 0xa0,
	183	};
	184
	185	static struct platform_device palmz71_backlight_device = {
	186	.name = "omap-bl",
	187	.id = -1,
	188	.dev = {
	189	.platform_data = &palmz71_backlight_config,
	190	},
	191	};
	192
	193	static struct platform_device *devices[] __initdata = {
	194	&palmz71_rom_device,
	195	&palmz71_kp_device,
ec70e8af MV	196	&palmz71_lcd_device,
	197	&palmz71_irda_device,
	198	&palmz71_spi_device,
	199	&palmz71_backlight_device,
	200	};
	201
	202	static int
	203	palmz71_get_pendown_state(void)
	204	{
0b84b5ca	205	return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
ec70e8af MV	206	}
	207
	208	static const struct ads7846_platform_data palmz71_ts_info = {
	209	.model = 7846,
	210	.vref_delay_usecs = 100, /* internal, no capacitor */
	211	.x_plate_ohms = 419,
	212	.y_plate_ohms = 486,
	213	.get_pendown_state = palmz71_get_pendown_state,
	214	};
	215
	216	static struct spi_board_info __initdata palmz71_boardinfo[] = { {
	217	/* MicroWire (bus 2) CS0 has an ads7846e */
	218	.modalias = "ads7846",
	219	.platform_data = &palmz71_ts_info,
	220	.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
	221	.max_speed_hz = 120000 /* max sample rate at 3V */
	222	* 26 /* command + data + overhead */,
	223	.bus_num = 2,
	224	.chip_select = 0,
	225	} };
	226
	227	static struct omap_usb_config palmz71_usb_config __initdata = {
	228	.register_dev = 1, /* Mini-B only receptacle */
	229	.hmc_mode = 0,
	230	.pins[0] = 2,
	231	};
	232
ec70e8af MV	233	static struct omap_lcd_config palmz71_lcd_config __initdata = {
	234	.ctrl_name = "internal",
	235	};
	236
	237	static struct omap_uart_config palmz71_uart_config __initdata = {
	238	.enabled_uarts = (1 << 0) \| (1 << 1) \| (0 << 2),
	239	};
	240
e27a93a9	241	static struct omap_board_config_kernel palmz71_config[] __initdata = {
ec70e8af	242	{OMAP_TAG_USB, &palmz71_usb_config},
ec70e8af MV	243	{OMAP_TAG_LCD, &palmz71_lcd_config},
	244	{OMAP_TAG_UART, &palmz71_uart_config},
	245	};
	246
	247	static irqreturn_t
	248	palmz71_powercable(int irq, void *dev_id)
	249	{
0b84b5ca	250	if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
ec70e8af	251	printk(KERN_INFO "PM: Power cable connected\n");
15f74b03	252	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
6cab4860	253	IRQ_TYPE_EDGE_FALLING);
ec70e8af MV	254	} else {
ec70e8af MV	255	printk(KERN_INFO "PM: Power cable disconnected\n");
15f74b03	256	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
6cab4860	257	IRQ_TYPE_EDGE_RISING);
ec70e8af MV	258	}
	259	return IRQ_HANDLED;
	260	}
	261
	262	static void __init
	263	omap_mpu_wdt_mode(int mode)
	264	{
	265	if (mode)
	266	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	267	else {
	268	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
	269	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	270	}
	271	}
	272
	273	static void __init
	274	palmz71_gpio_setup(int early)
	275	{
	276	if (early) {
	277	/* Only set GPIO1 so we have a working serial */
e918edf7	278	gpio_direction_output(1, 1);
ec70e8af MV	279	} else {
ec70e8af MV	280	/* Set MMC/SD host WP pin as input */
f2d18fea	281	if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
ec70e8af MV	282	printk(KERN_ERR "Could not reserve WP GPIO!\n");
	283	return;
	284	}
40e3925b	285	gpio_direction_input(PALMZ71_MMC_WP_GPIO);
ec70e8af MV	286
ec70e8af MV	287	/* Monitor the Power-cable-connected signal */
f2d18fea	288	if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
ec70e8af MV	289	printk(KERN_ERR
	290	"Could not reserve cable signal GPIO!\n");
	291	return;
	292	}
40e3925b	293	gpio_direction_input(PALMZ71_USBDETECT_GPIO);
15f74b03	294	if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
ec70e8af MV	295	palmz71_powercable, IRQF_SAMPLE_RANDOM,
	296	"palmz71-cable", 0))
	297	printk(KERN_ERR
	298	"IRQ request for power cable failed!\n");
15f74b03	299	palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
ec70e8af MV	300	}
	301	}
	302
	303	static void __init
	304	omap_palmz71_init(void)
	305	{
	306	palmz71_gpio_setup(1);
	307	omap_mpu_wdt_mode(0);
	308
	309	omap_board_config = palmz71_config;
	310	omap_board_config_size = ARRAY_SIZE(palmz71_config);
	311
	312	platform_add_devices(devices, ARRAY_SIZE(devices));
	313
	314	spi_register_board_info(palmz71_boardinfo,
	315	ARRAY_SIZE(palmz71_boardinfo));
	316	omap_serial_init();
1ed16a86	317	omap_register_i2c_bus(1, 100, NULL, 0);
ec70e8af MV	318	palmz71_gpio_setup(0);
	319	}
	320
	321	static void __init
	322	omap_palmz71_map_io(void)
	323	{
	324	omap1_map_common_io();
	325	}
	326
	327	MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
	328	.phys_io = 0xfff00000,
	329	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	330	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
	331	.init_irq = omap_palmz71_init_irq,
	332	.init_machine = omap_palmz71_init,
	333	.timer = &omap_timer,
	334	MACHINE_END