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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
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
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
31#include <mach/hardware.h>
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
36#include <mach/gpio.h>
37#include <plat/flash.h>
38#include <plat/mux.h>
39#include <plat/usb.h>
40#include <plat/tc.h>
41#include <plat/dma.h>
42#include <plat/board.h>
43#include <plat/irda.h>
44#include <plat/keypad.h>
45#include <plat/common.h>
46
47#define PALMTE_USBDETECT_GPIO 0
48#define PALMTE_USB_OR_DC_GPIO 1
49#define PALMTE_TSC_GPIO 4
50#define PALMTE_PINTDAV_GPIO 6
51#define PALMTE_MMC_WP_GPIO 8
52#define PALMTE_MMC_POWER_GPIO 9
53#define PALMTE_HDQ_GPIO 11
54#define PALMTE_HEADPHONES_GPIO 14
55#define PALMTE_SPEAKER_GPIO 15
56#define PALMTE_DC_GPIO OMAP_MPUIO(2)
57#define PALMTE_MMC_SWITCH_GPIO OMAP_MPUIO(4)
58#define PALMTE_MMC1_GPIO OMAP_MPUIO(6)
59#define PALMTE_MMC2_GPIO OMAP_MPUIO(7)
60#define PALMTE_MMC3_GPIO OMAP_MPUIO(11)
61
62static void __init omap_palmte_init_irq(void)
63{
64 omap1_init_common_hw();
65 omap1_init_irq();
66}
67
68static const unsigned int palmte_keymap[] = {
69 KEY(0, 0, KEY_F1), /* Calendar */
70 KEY(1, 0, KEY_F2), /* Contacts */
71 KEY(2, 0, KEY_F3), /* Tasks List */
72 KEY(3, 0, KEY_F4), /* Note Pad */
73 KEY(4, 0, KEY_POWER),
74 KEY(0, 1, KEY_LEFT),
75 KEY(1, 1, KEY_DOWN),
76 KEY(2, 1, KEY_UP),
77 KEY(3, 1, KEY_RIGHT),
78 KEY(4, 1, KEY_ENTER),
79};
80
81static const struct matrix_keymap_data palmte_keymap_data = {
82 .keymap = palmte_keymap,
83 .keymap_size = ARRAY_SIZE(palmte_keymap),
84};
85
86static struct omap_kp_platform_data palmte_kp_data = {
87 .rows = 8,
88 .cols = 8,
89 .keymap_data = &palmte_keymap_data,
90 .rep = true,
91 .delay = 12,
92};
93
94static struct resource palmte_kp_resources[] = {
95 [0] = {
96 .start = INT_KEYBOARD,
97 .end = INT_KEYBOARD,
98 .flags = IORESOURCE_IRQ,
99 },
100};
101
102static struct platform_device palmte_kp_device = {
103 .name = "omap-keypad",
104 .id = -1,
105 .dev = {
106 .platform_data = &palmte_kp_data,
107 },
108 .num_resources = ARRAY_SIZE(palmte_kp_resources),
109 .resource = palmte_kp_resources,
110};
111
112static struct mtd_partition palmte_rom_partitions[] = {
113 /* PalmOS "Small ROM", contains the bootloader and the debugger */
114 {
115 .name = "smallrom",
116 .offset = 0,
117 .size = 0xa000,
118 .mask_flags = MTD_WRITEABLE,
119 },
120 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
121 {
122 .name = "bigrom",
123 .offset = SZ_128K,
124 /*
125 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
126 * 0x7b0000 bytes in the English-only ("enUS") version.
127 */
128 .size = 0x7b0000,
129 .mask_flags = MTD_WRITEABLE,
130 },
131};
132
133static struct physmap_flash_data palmte_rom_data = {
134 .width = 2,
135 .set_vpp = omap1_set_vpp,
136 .parts = palmte_rom_partitions,
137 .nr_parts = ARRAY_SIZE(palmte_rom_partitions),
138};
139
140static struct resource palmte_rom_resource = {
141 .start = OMAP_CS0_PHYS,
142 .end = OMAP_CS0_PHYS + SZ_8M - 1,
143 .flags = IORESOURCE_MEM,
144};
145
146static struct platform_device palmte_rom_device = {
147 .name = "physmap-flash",
148 .id = -1,
149 .dev = {
150 .platform_data = &palmte_rom_data,
151 },
152 .num_resources = 1,
153 .resource = &palmte_rom_resource,
154};
155
156static struct platform_device palmte_lcd_device = {
157 .name = "lcd_palmte",
158 .id = -1,
159};
160
161static struct omap_backlight_config palmte_backlight_config = {
162 .default_intensity = 0xa0,
163};
164
165static struct platform_device palmte_backlight_device = {
166 .name = "omap-bl",
167 .id = -1,
168 .dev = {
169 .platform_data = &palmte_backlight_config,
170 },
171};
172
173static struct omap_irda_config palmte_irda_config = {
174 .transceiver_cap = IR_SIRMODE,
175 .rx_channel = OMAP_DMA_UART3_RX,
176 .tx_channel = OMAP_DMA_UART3_TX,
177 .dest_start = UART3_THR,
178 .src_start = UART3_RHR,
179 .tx_trigger = 0,
180 .rx_trigger = 0,
181};
182
183static struct resource palmte_irda_resources[] = {
184 [0] = {
185 .start = INT_UART3,
186 .end = INT_UART3,
187 .flags = IORESOURCE_IRQ,
188 },
189};
190
191static struct platform_device palmte_irda_device = {
192 .name = "omapirda",
193 .id = -1,
194 .dev = {
195 .platform_data = &palmte_irda_config,
196 },
197 .num_resources = ARRAY_SIZE(palmte_irda_resources),
198 .resource = palmte_irda_resources,
199};
200
201static struct platform_device *palmte_devices[] __initdata = {
202 &palmte_rom_device,
203 &palmte_kp_device,
204 &palmte_lcd_device,
205 &palmte_backlight_device,
206 &palmte_irda_device,
207};
208
209static struct omap_usb_config palmte_usb_config __initdata = {
210 .register_dev = 1, /* Mini-B only receptacle */
211 .hmc_mode = 0,
212 .pins[0] = 2,
213};
214
215static struct omap_lcd_config palmte_lcd_config __initdata = {
216 .ctrl_name = "internal",
217};
218
219static struct omap_board_config_kernel palmte_config[] __initdata = {
220 { OMAP_TAG_LCD, &palmte_lcd_config },
221};
222
223static struct spi_board_info palmte_spi_info[] __initdata = {
224 {
225 .modalias = "tsc2102",
226 .bus_num = 2, /* uWire (officially) */
227 .chip_select = 0, /* As opposed to 3 */
228 .irq = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
229 .max_speed_hz = 8000000,
230 },
231};
232
233static void __init palmte_misc_gpio_setup(void)
234{
235 /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
236 if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
237 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
238 return;
239 }
240 gpio_direction_input(PALMTE_PINTDAV_GPIO);
241
242 /* Set USB-or-DC-IN pin as input (unused) */
243 if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
244 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
245 return;
246 }
247 gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
248}
249
250static void __init omap_palmte_init(void)
251{
252 /* mux pins for uarts */
253 omap_cfg_reg(UART1_TX);
254 omap_cfg_reg(UART1_RTS);
255 omap_cfg_reg(UART2_TX);
256 omap_cfg_reg(UART2_RTS);
257 omap_cfg_reg(UART3_TX);
258 omap_cfg_reg(UART3_RX);
259
260 omap_board_config = palmte_config;
261 omap_board_config_size = ARRAY_SIZE(palmte_config);
262
263 platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
264
265 spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
266 palmte_misc_gpio_setup();
267 omap_serial_init();
268 omap1_usb_init(&palmte_usb_config);
269 omap_register_i2c_bus(1, 100, NULL, 0);
270}
271
272static void __init omap_palmte_map_io(void)
273{
274 omap1_map_common_io();
275}
276
277MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
278 .boot_params = 0x10000100,
279 .map_io = omap_palmte_map_io,
280 .reserve = omap_reserve,
281 .init_irq = omap_palmte_init_irq,
282 .init_machine = omap_palmte_init,
283 .timer = &omap1_timer,
284MACHINE_END