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1/*
2 * linux/arch/arm/mach-omap1/board-palmte.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Palm Tungsten E PDA.
7 *
8 * Original version : Laurent Gonzalez
9 *
10 * Maintainers : http://palmtelinux.sf.net
11 * palmtelinux-developpers@lists.sf.net
12 *
13 * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
19#include <linux/gpio.h>
20#include <linux/kernel.h>
21#include <linux/init.h>
22#include <linux/input.h>
23#include <linux/platform_device.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26#include <linux/mtd/physmap.h>
27#include <linux/spi/spi.h>
28#include <linux/interrupt.h>
29#include <linux/apm-emulation.h>
30#include <linux/omapfb.h>
31#include <linux/platform_data/omap1_bl.h>
32
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36
37#include <mach/flash.h>
38#include <mach/mux.h>
39#include <mach/tc.h>
40#include <linux/omap-dma.h>
41#include <linux/platform_data/keypad-omap.h>
42
43#include <mach/hardware.h>
44#include <mach/usb.h>
45
46#include "common.h"
47
48#define PALMTE_USBDETECT_GPIO 0
49#define PALMTE_USB_OR_DC_GPIO 1
50#define PALMTE_TSC_GPIO 4
51#define PALMTE_PINTDAV_GPIO 6
52#define PALMTE_MMC_WP_GPIO 8
53#define PALMTE_MMC_POWER_GPIO 9
54#define PALMTE_HDQ_GPIO 11
55#define PALMTE_HEADPHONES_GPIO 14
56#define PALMTE_SPEAKER_GPIO 15
57#define PALMTE_DC_GPIO OMAP_MPUIO(2)
58#define PALMTE_MMC_SWITCH_GPIO OMAP_MPUIO(4)
59#define PALMTE_MMC1_GPIO OMAP_MPUIO(6)
60#define PALMTE_MMC2_GPIO OMAP_MPUIO(7)
61#define PALMTE_MMC3_GPIO OMAP_MPUIO(11)
62
63static const unsigned int palmte_keymap[] = {
64 KEY(0, 0, KEY_F1), /* Calendar */
65 KEY(1, 0, KEY_F2), /* Contacts */
66 KEY(2, 0, KEY_F3), /* Tasks List */
67 KEY(3, 0, KEY_F4), /* Note Pad */
68 KEY(4, 0, KEY_POWER),
69 KEY(0, 1, KEY_LEFT),
70 KEY(1, 1, KEY_DOWN),
71 KEY(2, 1, KEY_UP),
72 KEY(3, 1, KEY_RIGHT),
73 KEY(4, 1, KEY_ENTER),
74};
75
76static const struct matrix_keymap_data palmte_keymap_data = {
77 .keymap = palmte_keymap,
78 .keymap_size = ARRAY_SIZE(palmte_keymap),
79};
80
81static struct omap_kp_platform_data palmte_kp_data = {
82 .rows = 8,
83 .cols = 8,
84 .keymap_data = &palmte_keymap_data,
85 .rep = true,
86 .delay = 12,
87};
88
89static struct resource palmte_kp_resources[] = {
90 [0] = {
91 .start = INT_KEYBOARD,
92 .end = INT_KEYBOARD,
93 .flags = IORESOURCE_IRQ,
94 },
95};
96
97static struct platform_device palmte_kp_device = {
98 .name = "omap-keypad",
99 .id = -1,
100 .dev = {
101 .platform_data = &palmte_kp_data,
102 },
103 .num_resources = ARRAY_SIZE(palmte_kp_resources),
104 .resource = palmte_kp_resources,
105};
106
107static struct mtd_partition palmte_rom_partitions[] = {
108 /* PalmOS "Small ROM", contains the bootloader and the debugger */
109 {
110 .name = "smallrom",
111 .offset = 0,
112 .size = 0xa000,
113 .mask_flags = MTD_WRITEABLE,
114 },
115 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
116 {
117 .name = "bigrom",
118 .offset = SZ_128K,
119 /*
120 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
121 * 0x7b0000 bytes in the English-only ("enUS") version.
122 */
123 .size = 0x7b0000,
124 .mask_flags = MTD_WRITEABLE,
125 },
126};
127
128static struct physmap_flash_data palmte_rom_data = {
129 .width = 2,
130 .set_vpp = omap1_set_vpp,
131 .parts = palmte_rom_partitions,
132 .nr_parts = ARRAY_SIZE(palmte_rom_partitions),
133};
134
135static struct resource palmte_rom_resource = {
136 .start = OMAP_CS0_PHYS,
137 .end = OMAP_CS0_PHYS + SZ_8M - 1,
138 .flags = IORESOURCE_MEM,
139};
140
141static struct platform_device palmte_rom_device = {
142 .name = "physmap-flash",
143 .id = -1,
144 .dev = {
145 .platform_data = &palmte_rom_data,
146 },
147 .num_resources = 1,
148 .resource = &palmte_rom_resource,
149};
150
151static struct platform_device palmte_lcd_device = {
152 .name = "lcd_palmte",
153 .id = -1,
154};
155
156static struct omap_backlight_config palmte_backlight_config = {
157 .default_intensity = 0xa0,
158};
159
160static struct platform_device palmte_backlight_device = {
161 .name = "omap-bl",
162 .id = -1,
163 .dev = {
164 .platform_data = &palmte_backlight_config,
165 },
166};
167
168static struct platform_device *palmte_devices[] __initdata = {
169 &palmte_rom_device,
170 &palmte_kp_device,
171 &palmte_lcd_device,
172 &palmte_backlight_device,
173};
174
175static struct omap_usb_config palmte_usb_config __initdata = {
176 .register_dev = 1, /* Mini-B only receptacle */
177 .hmc_mode = 0,
178 .pins[0] = 2,
179};
180
181static struct omap_lcd_config palmte_lcd_config __initdata = {
182 .ctrl_name = "internal",
183};
184
185static struct spi_board_info palmte_spi_info[] __initdata = {
186 {
187 .modalias = "tsc2102",
188 .bus_num = 2, /* uWire (officially) */
189 .chip_select = 0, /* As opposed to 3 */
190 .max_speed_hz = 8000000,
191 },
192};
193
194static void __init palmte_misc_gpio_setup(void)
195{
196 /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
197 if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
198 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
199 return;
200 }
201 gpio_direction_input(PALMTE_PINTDAV_GPIO);
202
203 /* Set USB-or-DC-IN pin as input (unused) */
204 if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
205 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
206 return;
207 }
208 gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
209}
210
211static void __init omap_palmte_init(void)
212{
213 /* mux pins for uarts */
214 omap_cfg_reg(UART1_TX);
215 omap_cfg_reg(UART1_RTS);
216 omap_cfg_reg(UART2_TX);
217 omap_cfg_reg(UART2_RTS);
218 omap_cfg_reg(UART3_TX);
219 omap_cfg_reg(UART3_RX);
220
221 platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
222
223 palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO);
224 spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
225 palmte_misc_gpio_setup();
226 omap_serial_init();
227 omap1_usb_init(&palmte_usb_config);
228 omap_register_i2c_bus(1, 100, NULL, 0);
229
230 omapfb_set_lcd_config(&palmte_lcd_config);
231}
232
233MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
234 .atag_offset = 0x100,
235 .map_io = omap15xx_map_io,
236 .init_early = omap1_init_early,
237 .init_irq = omap1_init_irq,
238 .init_machine = omap_palmte_init,
239 .init_late = omap1_init_late,
240 .init_time = omap1_timer_init,
241 .restart = omap1_restart,
242MACHINE_END
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/machine.h>
17#include <linux/gpio/consumer.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/input.h>
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
24#include <linux/mtd/physmap.h>
25#include <linux/spi/spi.h>
26#include <linux/interrupt.h>
27#include <linux/apm-emulation.h>
28#include <linux/omapfb.h>
29#include <linux/omap-dma.h>
30#include <linux/platform_data/keypad-omap.h>
31#include <linux/platform_data/omap1_bl.h>
32
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36
37#include "tc.h"
38#include "flash.h"
39#include "mux.h"
40#include "hardware.h"
41#include "usb.h"
42#include "mmc.h"
43#include "common.h"
44
45#define PALMTE_USBDETECT_GPIO 0
46#define PALMTE_USB_OR_DC_GPIO 1
47#define PALMTE_TSC_GPIO 4
48#define PALMTE_PINTDAV_GPIO 6
49#define PALMTE_MMC_WP_GPIO 8
50#define PALMTE_MMC_POWER_GPIO 9
51#define PALMTE_HDQ_GPIO 11
52#define PALMTE_HEADPHONES_GPIO 14
53#define PALMTE_SPEAKER_GPIO 15
54
55static const unsigned int palmte_keymap[] = {
56 KEY(0, 0, KEY_F1), /* Calendar */
57 KEY(1, 0, KEY_F2), /* Contacts */
58 KEY(2, 0, KEY_F3), /* Tasks List */
59 KEY(3, 0, KEY_F4), /* Note Pad */
60 KEY(4, 0, KEY_POWER),
61 KEY(0, 1, KEY_LEFT),
62 KEY(1, 1, KEY_DOWN),
63 KEY(2, 1, KEY_UP),
64 KEY(3, 1, KEY_RIGHT),
65 KEY(4, 1, KEY_ENTER),
66};
67
68static const struct matrix_keymap_data palmte_keymap_data = {
69 .keymap = palmte_keymap,
70 .keymap_size = ARRAY_SIZE(palmte_keymap),
71};
72
73static struct omap_kp_platform_data palmte_kp_data = {
74 .rows = 8,
75 .cols = 8,
76 .keymap_data = &palmte_keymap_data,
77 .rep = true,
78 .delay = 12,
79};
80
81static struct resource palmte_kp_resources[] = {
82 [0] = {
83 .start = INT_KEYBOARD,
84 .end = INT_KEYBOARD,
85 .flags = IORESOURCE_IRQ,
86 },
87};
88
89static struct platform_device palmte_kp_device = {
90 .name = "omap-keypad",
91 .id = -1,
92 .dev = {
93 .platform_data = &palmte_kp_data,
94 },
95 .num_resources = ARRAY_SIZE(palmte_kp_resources),
96 .resource = palmte_kp_resources,
97};
98
99static struct mtd_partition palmte_rom_partitions[] = {
100 /* PalmOS "Small ROM", contains the bootloader and the debugger */
101 {
102 .name = "smallrom",
103 .offset = 0,
104 .size = 0xa000,
105 .mask_flags = MTD_WRITEABLE,
106 },
107 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
108 {
109 .name = "bigrom",
110 .offset = SZ_128K,
111 /*
112 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
113 * 0x7b0000 bytes in the English-only ("enUS") version.
114 */
115 .size = 0x7b0000,
116 .mask_flags = MTD_WRITEABLE,
117 },
118};
119
120static struct physmap_flash_data palmte_rom_data = {
121 .width = 2,
122 .set_vpp = omap1_set_vpp,
123 .parts = palmte_rom_partitions,
124 .nr_parts = ARRAY_SIZE(palmte_rom_partitions),
125};
126
127static struct resource palmte_rom_resource = {
128 .start = OMAP_CS0_PHYS,
129 .end = OMAP_CS0_PHYS + SZ_8M - 1,
130 .flags = IORESOURCE_MEM,
131};
132
133static struct platform_device palmte_rom_device = {
134 .name = "physmap-flash",
135 .id = -1,
136 .dev = {
137 .platform_data = &palmte_rom_data,
138 },
139 .num_resources = 1,
140 .resource = &palmte_rom_resource,
141};
142
143static struct platform_device palmte_lcd_device = {
144 .name = "lcd_palmte",
145 .id = -1,
146};
147
148static struct omap_backlight_config palmte_backlight_config = {
149 .default_intensity = 0xa0,
150};
151
152static struct platform_device palmte_backlight_device = {
153 .name = "omap-bl",
154 .id = -1,
155 .dev = {
156 .platform_data = &palmte_backlight_config,
157 },
158};
159
160static struct platform_device *palmte_devices[] __initdata = {
161 &palmte_rom_device,
162 &palmte_kp_device,
163 &palmte_lcd_device,
164 &palmte_backlight_device,
165};
166
167static struct omap_usb_config palmte_usb_config __initdata = {
168 .register_dev = 1, /* Mini-B only receptacle */
169 .hmc_mode = 0,
170 .pins[0] = 2,
171};
172
173static const struct omap_lcd_config palmte_lcd_config __initconst = {
174 .ctrl_name = "internal",
175};
176
177static struct spi_board_info palmte_spi_info[] __initdata = {
178 {
179 .modalias = "tsc2102",
180 .bus_num = 2, /* uWire (officially) */
181 .chip_select = 0, /* As opposed to 3 */
182 .max_speed_hz = 8000000,
183 },
184};
185
186#if IS_ENABLED(CONFIG_MMC_OMAP)
187
188static struct omap_mmc_platform_data _palmte_mmc_config = {
189 .nr_slots = 1,
190 .slots[0] = {
191 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
192 .name = "mmcblk",
193 },
194};
195
196static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = {
197 [0] = &_palmte_mmc_config,
198};
199
200static void palmte_mmc_init(void)
201{
202 omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC);
203}
204
205#else /* CONFIG_MMC_OMAP */
206
207static void palmte_mmc_init(void)
208{
209}
210
211#endif /* CONFIG_MMC_OMAP */
212
213static struct gpiod_lookup_table palmte_irq_gpio_table = {
214 .dev_id = NULL,
215 .table = {
216 /* GPIO used for TSC2102 PINTDAV IRQ */
217 GPIO_LOOKUP("gpio-0-15", PALMTE_PINTDAV_GPIO, "tsc2102_irq",
218 GPIO_ACTIVE_HIGH),
219 /* GPIO used for USB or DC input detection */
220 GPIO_LOOKUP("gpio-0-15", PALMTE_USB_OR_DC_GPIO, "usb_dc_irq",
221 GPIO_ACTIVE_HIGH),
222 { }
223 },
224};
225
226static void __init omap_palmte_init(void)
227{
228 struct gpio_desc *d;
229
230 /* mux pins for uarts */
231 omap_cfg_reg(UART1_TX);
232 omap_cfg_reg(UART1_RTS);
233 omap_cfg_reg(UART2_TX);
234 omap_cfg_reg(UART2_RTS);
235 omap_cfg_reg(UART3_TX);
236 omap_cfg_reg(UART3_RX);
237
238 platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
239
240 gpiod_add_lookup_table(&palmte_irq_gpio_table);
241 d = gpiod_get(NULL, "tsc2102_irq", GPIOD_IN);
242 if (IS_ERR(d))
243 pr_err("Unable to get TSC2102 IRQ GPIO descriptor\n");
244 else
245 palmte_spi_info[0].irq = gpiod_to_irq(d);
246 spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
247
248 /* We are getting this just to set it up as input */
249 d = gpiod_get(NULL, "usb_dc_irq", GPIOD_IN);
250 if (IS_ERR(d))
251 pr_err("Unable to get USB/DC IRQ GPIO descriptor\n");
252 else
253 gpiod_put(d);
254
255 omap_serial_init();
256 omap1_usb_init(&palmte_usb_config);
257 omap_register_i2c_bus(1, 100, NULL, 0);
258
259 omapfb_set_lcd_config(&palmte_lcd_config);
260 palmte_mmc_init();
261}
262
263MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
264 .atag_offset = 0x100,
265 .map_io = omap1_map_io,
266 .init_early = omap1_init_early,
267 .init_irq = omap1_init_irq,
268 .init_machine = omap_palmte_init,
269 .init_late = omap1_init_late,
270 .init_time = omap1_timer_init,
271 .restart = omap1_restart,
272MACHINE_END