1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-omap1/board-palmte.c
4 *
5 * Modified from board-generic.c
6 *
7 * Support for the Palm Tungsten E PDA.
8 *
9 * Original version : Laurent Gonzalez
10 *
11 * Maintainers : http://palmtelinux.sf.net
12 *                palmtelinux-developpers@lists.sf.net
13 *
14 * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
15 */
16#include <linux/gpio.h>
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/input.h>
20#include <linux/platform_device.h>
21#include <linux/mtd/mtd.h>
22#include <linux/mtd/partitions.h>
23#include <linux/mtd/physmap.h>
24#include <linux/spi/spi.h>
25#include <linux/interrupt.h>
26#include <linux/apm-emulation.h>
27#include <linux/omapfb.h>
28#include <linux/platform_data/omap1_bl.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include "flash.h"
35#include <mach/mux.h>
36#include <mach/tc.h>
37#include <linux/omap-dma.h>
38#include <linux/platform_data/keypad-omap.h>
39
40#include <mach/hardware.h>
41#include <mach/usb.h>
42
43#include "mmc.h"
44#include "common.h"
45
46#define PALMTE_USBDETECT_GPIO	0
47#define PALMTE_USB_OR_DC_GPIO	1
48#define PALMTE_TSC_GPIO		4
49#define PALMTE_PINTDAV_GPIO	6
50#define PALMTE_MMC_WP_GPIO	8
51#define PALMTE_MMC_POWER_GPIO	9
52#define PALMTE_HDQ_GPIO		11
53#define PALMTE_HEADPHONES_GPIO	14
54#define PALMTE_SPEAKER_GPIO	15
55#define PALMTE_DC_GPIO		OMAP_MPUIO(2)
56#define PALMTE_MMC_SWITCH_GPIO	OMAP_MPUIO(4)
57#define PALMTE_MMC1_GPIO	OMAP_MPUIO(6)
58#define PALMTE_MMC2_GPIO	OMAP_MPUIO(7)
59#define PALMTE_MMC3_GPIO	OMAP_MPUIO(11)
60
61static const unsigned int palmte_keymap[] = {
62	KEY(0, 0, KEY_F1),		/* Calendar */
63	KEY(1, 0, KEY_F2),		/* Contacts */
64	KEY(2, 0, KEY_F3),		/* Tasks List */
65	KEY(3, 0, KEY_F4),		/* Note Pad */
66	KEY(4, 0, KEY_POWER),
67	KEY(0, 1, KEY_LEFT),
68	KEY(1, 1, KEY_DOWN),
69	KEY(2, 1, KEY_UP),
70	KEY(3, 1, KEY_RIGHT),
71	KEY(4, 1, KEY_ENTER),
72};
73
74static const struct matrix_keymap_data palmte_keymap_data = {
75	.keymap		= palmte_keymap,
76	.keymap_size	= ARRAY_SIZE(palmte_keymap),
77};
78
79static struct omap_kp_platform_data palmte_kp_data = {
80	.rows	= 8,
81	.cols	= 8,
82	.keymap_data = &palmte_keymap_data,
83	.rep	= true,
84	.delay	= 12,
85};
86
87static struct resource palmte_kp_resources[] = {
88	[0]	= {
89		.start	= INT_KEYBOARD,
90		.end	= INT_KEYBOARD,
91		.flags	= IORESOURCE_IRQ,
92	},
93};
94
95static struct platform_device palmte_kp_device = {
96	.name		= "omap-keypad",
97	.id		= -1,
98	.dev		= {
99		.platform_data	= &palmte_kp_data,
100	},
101	.num_resources	= ARRAY_SIZE(palmte_kp_resources),
102	.resource	= palmte_kp_resources,
103};
104
105static struct mtd_partition palmte_rom_partitions[] = {
106	/* PalmOS "Small ROM", contains the bootloader and the debugger */
107	{
108		.name		= "smallrom",
109		.offset		= 0,
110		.size		= 0xa000,
111		.mask_flags	= MTD_WRITEABLE,
112	},
113	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
114	{
115		.name		= "bigrom",
116		.offset		= SZ_128K,
117		/*
118		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
119		 * 0x7b0000 bytes in the English-only ("enUS") version.
120		 */
121		.size		= 0x7b0000,
122		.mask_flags	= MTD_WRITEABLE,
123	},
124};
125
126static struct physmap_flash_data palmte_rom_data = {
127	.width		= 2,
128	.set_vpp	= omap1_set_vpp,
129	.parts		= palmte_rom_partitions,
130	.nr_parts	= ARRAY_SIZE(palmte_rom_partitions),
131};
132
133static struct resource palmte_rom_resource = {
134	.start		= OMAP_CS0_PHYS,
135	.end		= OMAP_CS0_PHYS + SZ_8M - 1,
136	.flags		= IORESOURCE_MEM,
137};
138
139static struct platform_device palmte_rom_device = {
140	.name		= "physmap-flash",
141	.id		= -1,
142	.dev		= {
143		.platform_data	= &palmte_rom_data,
144	},
145	.num_resources	= 1,
146	.resource	= &palmte_rom_resource,
147};
148
149static struct platform_device palmte_lcd_device = {
150	.name		= "lcd_palmte",
151	.id		= -1,
152};
153
154static struct omap_backlight_config palmte_backlight_config = {
155	.default_intensity	= 0xa0,
156};
157
158static struct platform_device palmte_backlight_device = {
159	.name		= "omap-bl",
160	.id		= -1,
161	.dev		= {
162		.platform_data	= &palmte_backlight_config,
163	},
164};
165
166static struct platform_device *palmte_devices[] __initdata = {
167	&palmte_rom_device,
168	&palmte_kp_device,
169	&palmte_lcd_device,
170	&palmte_backlight_device,
171};
172
173static struct omap_usb_config palmte_usb_config __initdata = {
174	.register_dev	= 1,	/* Mini-B only receptacle */
175	.hmc_mode	= 0,
176	.pins[0]	= 2,
177};
178
179static const struct omap_lcd_config palmte_lcd_config __initconst = {
180	.ctrl_name	= "internal",
181};
182
183static struct spi_board_info palmte_spi_info[] __initdata = {
184	{
185		.modalias	= "tsc2102",
186		.bus_num	= 2,	/* uWire (officially) */
187		.chip_select	= 0,	/* As opposed to 3 */
188		.max_speed_hz	= 8000000,
189	},
190};
191
192static void __init palmte_misc_gpio_setup(void)
193{
194	/* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
195	if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
196		printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
197		return;
198	}
199	gpio_direction_input(PALMTE_PINTDAV_GPIO);
200
201	/* Set USB-or-DC-IN pin as input (unused) */
202	if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
203		printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
204		return;
205	}
206	gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
207}
208
209#if IS_ENABLED(CONFIG_MMC_OMAP)
210
211static struct omap_mmc_platform_data _palmte_mmc_config = {
212	.nr_slots			= 1,
213	.slots[0]			= {
214		.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
215		.name			= "mmcblk",
216	},
217};
218
219static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = {
220	[0] = &_palmte_mmc_config,
221};
222
223static void palmte_mmc_init(void)
224{
225	omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC);
226}
227
228#else /* CONFIG_MMC_OMAP */
229
230static void palmte_mmc_init(void)
231{
232}
233
234#endif /* CONFIG_MMC_OMAP */
235
236static void __init omap_palmte_init(void)
237{
238	/* mux pins for uarts */
239	omap_cfg_reg(UART1_TX);
240	omap_cfg_reg(UART1_RTS);
241	omap_cfg_reg(UART2_TX);
242	omap_cfg_reg(UART2_RTS);
243	omap_cfg_reg(UART3_TX);
244	omap_cfg_reg(UART3_RX);
245
246	platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
247
248	palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO);
249	spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
250	palmte_misc_gpio_setup();
251	omap_serial_init();
252	omap1_usb_init(&palmte_usb_config);
253	omap_register_i2c_bus(1, 100, NULL, 0);
254
255	omapfb_set_lcd_config(&palmte_lcd_config);
256	palmte_mmc_init();
257}
258
259MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
260	.atag_offset	= 0x100,
261	.map_io		= omap15xx_map_io,
262	.init_early     = omap1_init_early,
263	.init_irq	= omap1_init_irq,
264	.handle_irq	= omap1_handle_irq,
265	.init_machine	= omap_palmte_init,
266	.init_late	= omap1_init_late,
267	.init_time	= omap1_timer_init,
268	.restart	= omap1_restart,
269MACHINE_END
270