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

// SPDX-License-Identifier: GPL-2.0-only
/*
 * 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>
 */

#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
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
dc563b4f MV	2	/*
	3	* linux/arch/arm/mach-omap1/board-palmtt.c
	4	*
	5	* Modified from board-palmtt2.c
	6	*
	7	* Modified and amended for Palm Tungsten\|T
	8	* by Marek Vasut <marek.vasut@gmail.com>
dc563b4f MV	9	*/
	10
	11	#include <linux/delay.h>
2f8163ba	12	#include <linux/gpio.h>
dc563b4f MV	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/notifier.h>
	17	#include <linux/clk.h>
	18	#include <linux/input.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/mtd/mtd.h>
	21	#include <linux/mtd/partitions.h>
561b036a	22	#include <linux/mtd/physmap.h>
dc563b4f	23	#include <linux/leds.h>
ddba6c7f	24	#include <linux/omapfb.h>
2e3ee9f4 TL	25	#include <linux/spi/spi.h>
2e3ee9f4 TL	26	#include <linux/spi/ads7846.h>
cc012729	27	#include <linux/platform_data/omap1_bl.h>
a8f7445c	28	#include <linux/platform_data/leds-omap.h>
dc563b4f	29
dc563b4f MV	30	#include <asm/mach-types.h>
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
dc563b4f	33
100f9638	34	#include "flash.h"
70c494c3	35	#include <mach/mux.h>
45c3eb7d	36	#include <linux/omap-dma.h>
54b693d4	37	#include <mach/tc.h>
2203747c	38	#include <linux/platform_data/keypad-omap.h>
dc563b4f	39
2e3ee9f4	40	#include <mach/hardware.h>
b924b204	41	#include <mach/usb.h>
2e3ee9f4 TL	42
2e3ee9f4 TL	43	#include "common.h"
dc563b4f	44
b2830810 TL	45	#define PALMTT_USBDETECT_GPIO 0
	46	#define PALMTT_CABLE_GPIO 1
	47	#define PALMTT_LED_GPIO 3
	48	#define PALMTT_PENIRQ_GPIO 6
	49	#define PALMTT_MMC_WP_GPIO 8
	50	#define PALMTT_HDQ_GPIO 11
	51
da1f026b	52	static const unsigned int palmtt_keymap[] = {
dc563b4f	53	KEY(0, 0, KEY_ESC),
da1f026b JK	54	KEY(1, 0, KEY_SPACE),
	55	KEY(2, 0, KEY_LEFTCTRL),
	56	KEY(3, 0, KEY_TAB),
	57	KEY(4, 0, KEY_ENTER),
	58	KEY(0, 1, KEY_LEFT),
dc563b4f	59	KEY(1, 1, KEY_DOWN),
da1f026b JK	60	KEY(2, 1, KEY_UP),
	61	KEY(3, 1, KEY_RIGHT),
	62	KEY(0, 2, KEY_SLEEP),
	63	KEY(4, 2, KEY_Y),
dc563b4f MV	64	};
	65
	66	static struct mtd_partition palmtt_partitions[] = {
	67	{
	68	.name = "write8k",
	69	.offset = 0,
	70	.size = SZ_8K,
	71	.mask_flags = 0,
	72	},
	73	{
	74	.name = "PalmOS-BootLoader(ro)",
	75	.offset = SZ_8K,
	76	.size = 7 * SZ_8K,
	77	.mask_flags = MTD_WRITEABLE,
	78	},
	79	{
	80	.name = "u-boot",
	81	.offset = MTDPART_OFS_APPEND,
	82	.size = 8 * SZ_8K,
	83	.mask_flags = 0,
	84	},
	85	{
	86	.name = "PalmOS-FS(ro)",
	87	.offset = MTDPART_OFS_APPEND,
	88	.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
	89	.mask_flags = MTD_WRITEABLE,
	90	},
	91	{
	92	.name = "u-boot(rez)",
	93	.offset = MTDPART_OFS_APPEND,
	94	.size = SZ_128K,
	95	.mask_flags = 0
	96	},
	97	{
	98	.name = "empty",
	99	.offset = MTDPART_OFS_APPEND,
	100	.size = MTDPART_SIZ_FULL,
	101	.mask_flags = 0
	102	}
	103	};
	104
561b036a	105	static struct physmap_flash_data palmtt_flash_data = {
dc563b4f	106	.width = 2,
561b036a	107	.set_vpp = omap1_set_vpp,
dc563b4f MV	108	.parts = palmtt_partitions,
	109	.nr_parts = ARRAY_SIZE(palmtt_partitions),
	110	};
	111
	112	static struct resource palmtt_flash_resource = {
	113	.start = OMAP_CS0_PHYS,
	114	.end = OMAP_CS0_PHYS + SZ_8M - 1,
	115	.flags = IORESOURCE_MEM,
	116	};
	117
	118	static struct platform_device palmtt_flash_device = {
561b036a	119	.name = "physmap-flash",
dc563b4f MV	120	.id = 0,
	121	.dev = {
	122	.platform_data = &palmtt_flash_data,
	123	},
	124	.num_resources = 1,
	125	.resource = &palmtt_flash_resource,
	126	};
	127
dc563b4f MV	128	static struct resource palmtt_kp_resources[] = {
	129	[0] = {
	130	.start = INT_KEYBOARD,
	131	.end = INT_KEYBOARD,
	132	.flags = IORESOURCE_IRQ,
	133	},
	134	};
	135
da1f026b JK	136	static const struct matrix_keymap_data palmtt_keymap_data = {
	137	.keymap = palmtt_keymap,
	138	.keymap_size = ARRAY_SIZE(palmtt_keymap),
	139	};
	140
dc563b4f MV	141	static struct omap_kp_platform_data palmtt_kp_data = {
	142	.rows = 6,
	143	.cols = 3,
da1f026b	144	.keymap_data = &palmtt_keymap_data,
dc563b4f MV	145	};
	146
	147	static struct platform_device palmtt_kp_device = {
	148	.name = "omap-keypad",
	149	.id = -1,
	150	.dev = {
	151	.platform_data = &palmtt_kp_data,
	152	},
	153	.num_resources = ARRAY_SIZE(palmtt_kp_resources),
	154	.resource = palmtt_kp_resources,
	155	};
	156
	157	static struct platform_device palmtt_lcd_device = {
	158	.name = "lcd_palmtt",
	159	.id = -1,
	160	};
dc563b4f MV	161
	162	static struct platform_device palmtt_spi_device = {
	163	.name = "spi_palmtt",
	164	.id = -1,
	165	};
	166
	167	static struct omap_backlight_config palmtt_backlight_config = {
	168	.default_intensity = 0xa0,
	169	};
	170
	171	static struct platform_device palmtt_backlight_device = {
	172	.name = "omap-bl",
	173	.id = -1,
	174	.dev = {
	175	.platform_data= &palmtt_backlight_config,
	176	},
	177	};
	178
	179	static struct omap_led_config palmtt_led_config[] = {
	180	{
	181	.cdev = {
	182	.name = "palmtt:led0",
	183	},
	184	.gpio = PALMTT_LED_GPIO,
	185	},
	186	};
	187
	188	static struct omap_led_platform_data palmtt_led_data = {
	189	.nr_leds = ARRAY_SIZE(palmtt_led_config),
	190	.leds = palmtt_led_config,
	191	};
	192
	193	static struct platform_device palmtt_led_device = {
	194	.name = "omap-led",
	195	.id = -1,
	196	.dev = {
	197	.platform_data = &palmtt_led_data,
	198	},
	199	};
	200
	201	static struct platform_device *palmtt_devices[] __initdata = {
	202	&palmtt_flash_device,
dc563b4f MV	203	&palmtt_kp_device,
dc563b4f MV	204	&palmtt_lcd_device,
dc563b4f MV	205	&palmtt_spi_device,
	206	&palmtt_backlight_device,
	207	&palmtt_led_device,
	208	};
	209
	210	static int palmtt_get_pendown_state(void)
	211	{
0b84b5ca	212	return !gpio_get_value(6);
dc563b4f MV	213	}
	214
	215	static const struct ads7846_platform_data palmtt_ts_info = {
	216	.model = 7846,
	217	.vref_delay_usecs = 100, /* internal, no capacitor */
	218	.x_plate_ohms = 419,
	219	.y_plate_ohms = 486,
	220	.get_pendown_state = palmtt_get_pendown_state,
	221	};
	222
	223	static struct spi_board_info __initdata palmtt_boardinfo[] = {
	224	{
	225	/* MicroWire (bus 2) CS0 has an ads7846e */
	226	.modalias = "ads7846",
	227	.platform_data = &palmtt_ts_info,
dc563b4f MV	228	.max_speed_hz = 120000 /* max sample rate at 3V */
	229	* 26 /* command + data + overhead */,
	230	.bus_num = 2,
	231	.chip_select = 0,
	232	}
	233	};
	234
dc563b4f MV	235	static struct omap_usb_config palmtt_usb_config __initdata = {
	236	.register_dev = 1,
	237	.hmc_mode = 0,
	238	.pins[0] = 2,
	239	};
	240
d25c70cf	241	static const struct omap_lcd_config palmtt_lcd_config __initconst = {
dc563b4f MV	242	.ctrl_name = "internal",
	243	};
	244
dc563b4f MV	245	static void __init omap_mpu_wdt_mode(int mode) {
	246	if (mode)
	247	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	248	else {
	249	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
	250	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	251	}
	252	}
	253
	254	static void __init omap_palmtt_init(void)
	255	{
c33da3a8 JK	256	/* mux pins for uarts */
	257	omap_cfg_reg(UART1_TX);
	258	omap_cfg_reg(UART1_RTS);
	259	omap_cfg_reg(UART2_TX);
	260	omap_cfg_reg(UART2_RTS);
	261	omap_cfg_reg(UART3_TX);
	262	omap_cfg_reg(UART3_RX);
	263
dc563b4f MV	264	omap_mpu_wdt_mode(0);
dc563b4f MV	265
dc563b4f MV	266	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
dc563b4f MV	267
46a0a540	268	palmtt_boardinfo[0].irq = gpio_to_irq(6);
dc563b4f MV	269	spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
dc563b4f MV	270	omap_serial_init();
dd0cdd88	271	omap1_usb_init(&palmtt_usb_config);
1ed16a86	272	omap_register_i2c_bus(1, 100, NULL, 0);
ddba6c7f TV	273
ddba6c7f TV	274	omapfb_set_lcd_config(&palmtt_lcd_config);
dc563b4f MV	275	}
dc563b4f MV	276
dc563b4f	277	MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten\|T")
246e389d	278	.atag_offset = 0x100,
7b88e62f TL	279	.map_io = omap15xx_map_io,
7b88e62f TL	280	.init_early = omap1_init_early,
7b88e62f	281	.init_irq = omap1_init_irq,
b694331c	282	.handle_irq = omap1_handle_irq,
dc563b4f	283	.init_machine = omap_palmtt_init,
82c3bd03	284	.init_late = omap1_init_late,
6bb27d73	285	.init_time = omap1_timer_init,
baa95883	286	.restart = omap1_restart,
dc563b4f	287	MACHINE_END