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
61 static 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
74 static const struct matrix_keymap_data palmte_keymap_data = {
75 .keymap = palmte_keymap,
76 .keymap_size = ARRAY_SIZE(palmte_keymap),
77 };
78
79 static 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
87 static struct resource palmte_kp_resources[] = {
88 [0] = {
89 .start = INT_KEYBOARD,
90 .end = INT_KEYBOARD,
91 .flags = IORESOURCE_IRQ,
92 },
93 };
94
95 static 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
105 static 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
126 static 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
133 static struct resource palmte_rom_resource = {
134 .start = OMAP_CS0_PHYS,
135 .end = OMAP_CS0_PHYS + SZ_8M - 1,
136 .flags = IORESOURCE_MEM,
137 };
138
139 static 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
149 static struct platform_device palmte_lcd_device = {
150 .name = "lcd_palmte",
151 .id = -1,
152 };
153
154 static struct omap_backlight_config palmte_backlight_config = {
155 .default_intensity = 0xa0,
156 };
157
158 static struct platform_device palmte_backlight_device = {
159 .name = "omap-bl",
160 .id = -1,
161 .dev = {
162 .platform_data = &palmte_backlight_config,
163 },
164 };
165
166 static struct platform_device *palmte_devices[] __initdata = {
167 &palmte_rom_device,
168 &palmte_kp_device,
169 &palmte_lcd_device,
170 &palmte_backlight_device,
171 };
172
173 static 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
179 static const struct omap_lcd_config palmte_lcd_config __initconst = {
180 .ctrl_name = "internal",
181 };
182
183 static 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
palmte_misc_gpio_setup(void)192 static 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
211 static 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
219 static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = {
220 [0] = &_palmte_mmc_config,
221 };
222
palmte_mmc_init(void)223 static void palmte_mmc_init(void)
224 {
225 omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC);
226 }
227
228 #else /* CONFIG_MMC_OMAP */
229
palmte_mmc_init(void)230 static void palmte_mmc_init(void)
231 {
232 }
233
234 #endif /* CONFIG_MMC_OMAP */
235
omap_palmte_init(void)236 static 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
259 MACHINE_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,
269 MACHINE_END
270