1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * linux/arch/arm/mach-omap1/board-sx1.c |
4 | * |
5 | * Modified from board-generic.c |
6 | * |
7 | * Support for the Siemens SX1 mobile phone. |
8 | * |
9 | * Original version : Vladimir Ananiev (Vovan888-at-gmail com) |
10 | * |
11 | * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge |
12 | * oslik.ru |
13 | */ |
14 | #include <linux/gpio/machine.h> |
15 | #include <linux/gpio/consumer.h> |
16 | #include <linux/kernel.h> |
17 | #include <linux/init.h> |
18 | #include <linux/input.h> |
19 | #include <linux/platform_device.h> |
20 | #include <linux/notifier.h> |
21 | #include <linux/mtd/mtd.h> |
22 | #include <linux/mtd/partitions.h> |
23 | #include <linux/mtd/physmap.h> |
24 | #include <linux/types.h> |
25 | #include <linux/i2c.h> |
26 | #include <linux/errno.h> |
27 | #include <linux/export.h> |
28 | #include <linux/omapfb.h> |
29 | #include <linux/platform_data/keypad-omap.h> |
30 | #include <linux/omap-dma.h> |
31 | #include "tc.h" |
32 | |
33 | #include <asm/mach-types.h> |
34 | #include <asm/mach/arch.h> |
35 | #include <asm/mach/map.h> |
36 | |
37 | #include "flash.h" |
38 | #include "mux.h" |
39 | #include "board-sx1.h" |
40 | #include "hardware.h" |
41 | #include "usb.h" |
42 | #include "common.h" |
43 | |
44 | /* Write to I2C device */ |
45 | int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value) |
46 | { |
47 | struct i2c_adapter *adap; |
48 | int err; |
49 | struct i2c_msg msg[1]; |
50 | unsigned char data[2]; |
51 | |
52 | adap = i2c_get_adapter(nr: 0); |
53 | if (!adap) |
54 | return -ENODEV; |
55 | msg->addr = devaddr; /* I2C address of chip */ |
56 | msg->flags = 0; |
57 | msg->len = 2; |
58 | msg->buf = data; |
59 | data[0] = regoffset; /* register num */ |
60 | data[1] = value; /* register data */ |
61 | err = i2c_transfer(adap, msgs: msg, num: 1); |
62 | i2c_put_adapter(adap); |
63 | if (err >= 0) |
64 | return 0; |
65 | return err; |
66 | } |
67 | |
68 | /* Read from I2C device */ |
69 | int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value) |
70 | { |
71 | struct i2c_adapter *adap; |
72 | int err; |
73 | struct i2c_msg msg[1]; |
74 | unsigned char data[2]; |
75 | |
76 | adap = i2c_get_adapter(nr: 0); |
77 | if (!adap) |
78 | return -ENODEV; |
79 | |
80 | msg->addr = devaddr; /* I2C address of chip */ |
81 | msg->flags = 0; |
82 | msg->len = 1; |
83 | msg->buf = data; |
84 | data[0] = regoffset; /* register num */ |
85 | err = i2c_transfer(adap, msgs: msg, num: 1); |
86 | |
87 | msg->addr = devaddr; /* I2C address */ |
88 | msg->flags = I2C_M_RD; |
89 | msg->len = 1; |
90 | msg->buf = data; |
91 | err = i2c_transfer(adap, msgs: msg, num: 1); |
92 | *value = data[0]; |
93 | i2c_put_adapter(adap); |
94 | |
95 | if (err >= 0) |
96 | return 0; |
97 | return err; |
98 | } |
99 | /* set keyboard backlight intensity */ |
100 | int sx1_setkeylight(u8 keylight) |
101 | { |
102 | if (keylight > SOFIA_MAX_LIGHT_VAL) |
103 | keylight = SOFIA_MAX_LIGHT_VAL; |
104 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, value: keylight); |
105 | } |
106 | /* get current keylight intensity */ |
107 | int sx1_getkeylight(u8 * keylight) |
108 | { |
109 | return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, value: keylight); |
110 | } |
111 | /* set LCD backlight intensity */ |
112 | int sx1_setbacklight(u8 backlight) |
113 | { |
114 | if (backlight > SOFIA_MAX_LIGHT_VAL) |
115 | backlight = SOFIA_MAX_LIGHT_VAL; |
116 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, |
117 | value: backlight); |
118 | } |
119 | /* get current LCD backlight intensity */ |
120 | int sx1_getbacklight (u8 * backlight) |
121 | { |
122 | return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, |
123 | value: backlight); |
124 | } |
125 | /* set LCD backlight power on/off */ |
126 | int sx1_setmmipower(u8 onoff) |
127 | { |
128 | int err; |
129 | u8 dat = 0; |
130 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, value: &dat); |
131 | if (err < 0) |
132 | return err; |
133 | if (onoff) |
134 | dat |= SOFIA_MMILIGHT_POWER; |
135 | else |
136 | dat &= ~SOFIA_MMILIGHT_POWER; |
137 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, value: dat); |
138 | } |
139 | |
140 | /* set USB power on/off */ |
141 | int sx1_setusbpower(u8 onoff) |
142 | { |
143 | int err; |
144 | u8 dat = 0; |
145 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, value: &dat); |
146 | if (err < 0) |
147 | return err; |
148 | if (onoff) |
149 | dat |= SOFIA_USB_POWER; |
150 | else |
151 | dat &= ~SOFIA_USB_POWER; |
152 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, value: dat); |
153 | } |
154 | |
155 | EXPORT_SYMBOL(sx1_setkeylight); |
156 | EXPORT_SYMBOL(sx1_getkeylight); |
157 | EXPORT_SYMBOL(sx1_setbacklight); |
158 | EXPORT_SYMBOL(sx1_getbacklight); |
159 | EXPORT_SYMBOL(sx1_setmmipower); |
160 | EXPORT_SYMBOL(sx1_setusbpower); |
161 | |
162 | /*----------- Keypad -------------------------*/ |
163 | |
164 | static const unsigned int sx1_keymap[] = { |
165 | KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */ |
166 | KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */ |
167 | KEY(4, 1, GROUP_2 | 114), /* voice memo */ |
168 | KEY(4, 2, GROUP_3 | 114), /* voice memo */ |
169 | KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */ |
170 | KEY(3, 4, GROUP_1 | KEY_LEFT), |
171 | KEY(3, 2, GROUP_1 | KEY_DOWN), |
172 | KEY(3, 1, GROUP_1 | KEY_RIGHT), |
173 | KEY(3, 0, GROUP_1 | KEY_UP), |
174 | KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */ |
175 | KEY(0, 5, GROUP_1 | KEY_1), |
176 | KEY(0, 4, GROUP_1 | KEY_2), |
177 | KEY(0, 3, GROUP_1 | KEY_3), |
178 | KEY(4, 3, GROUP_1 | KEY_4), |
179 | KEY(4, 4, GROUP_1 | KEY_5), |
180 | KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */ |
181 | KEY(1, 4, GROUP_1 | KEY_6), |
182 | KEY(1, 5, GROUP_1 | KEY_7), |
183 | KEY(1, 3, GROUP_1 | KEY_8), |
184 | KEY(2, 3, GROUP_1 | KEY_9), |
185 | KEY(2, 5, GROUP_1 | KEY_0), |
186 | KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */ |
187 | KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */ |
188 | KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */ |
189 | KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */ |
190 | KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */ |
191 | KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */ |
192 | KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */ |
193 | }; |
194 | |
195 | static struct resource sx1_kp_resources[] = { |
196 | [0] = { |
197 | .start = INT_KEYBOARD, |
198 | .end = INT_KEYBOARD, |
199 | .flags = IORESOURCE_IRQ, |
200 | }, |
201 | }; |
202 | |
203 | static const struct matrix_keymap_data sx1_keymap_data = { |
204 | .keymap = sx1_keymap, |
205 | .keymap_size = ARRAY_SIZE(sx1_keymap), |
206 | }; |
207 | |
208 | static struct omap_kp_platform_data sx1_kp_data = { |
209 | .rows = 6, |
210 | .cols = 6, |
211 | .keymap_data = &sx1_keymap_data, |
212 | .delay = 80, |
213 | }; |
214 | |
215 | static struct platform_device sx1_kp_device = { |
216 | .name = "omap-keypad" , |
217 | .id = -1, |
218 | .dev = { |
219 | .platform_data = &sx1_kp_data, |
220 | }, |
221 | .num_resources = ARRAY_SIZE(sx1_kp_resources), |
222 | .resource = sx1_kp_resources, |
223 | }; |
224 | |
225 | /*----------- MTD -------------------------*/ |
226 | |
227 | static struct mtd_partition sx1_partitions[] = { |
228 | /* bootloader (U-Boot, etc) in first sector */ |
229 | { |
230 | .name = "bootloader" , |
231 | .offset = 0x01800000, |
232 | .size = SZ_128K, |
233 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
234 | }, |
235 | /* bootloader params in the next sector */ |
236 | { |
237 | .name = "params" , |
238 | .offset = MTDPART_OFS_APPEND, |
239 | .size = SZ_128K, |
240 | .mask_flags = 0, |
241 | }, |
242 | /* kernel */ |
243 | { |
244 | .name = "kernel" , |
245 | .offset = MTDPART_OFS_APPEND, |
246 | .size = SZ_2M - 2 * SZ_128K, |
247 | .mask_flags = 0 |
248 | }, |
249 | /* file system */ |
250 | { |
251 | .name = "filesystem" , |
252 | .offset = MTDPART_OFS_APPEND, |
253 | .size = MTDPART_SIZ_FULL, |
254 | .mask_flags = 0 |
255 | } |
256 | }; |
257 | |
258 | static struct physmap_flash_data sx1_flash_data = { |
259 | .width = 2, |
260 | .set_vpp = omap1_set_vpp, |
261 | .parts = sx1_partitions, |
262 | .nr_parts = ARRAY_SIZE(sx1_partitions), |
263 | }; |
264 | |
265 | /* MTD Intel 4000 flash - new flashes */ |
266 | static struct resource sx1_new_flash_resource = { |
267 | .start = OMAP_CS0_PHYS, |
268 | .end = OMAP_CS0_PHYS + SZ_32M - 1, |
269 | .flags = IORESOURCE_MEM, |
270 | }; |
271 | |
272 | static struct platform_device sx1_flash_device = { |
273 | .name = "physmap-flash" , |
274 | .id = 0, |
275 | .dev = { |
276 | .platform_data = &sx1_flash_data, |
277 | }, |
278 | .num_resources = 1, |
279 | .resource = &sx1_new_flash_resource, |
280 | }; |
281 | |
282 | /*----------- USB -------------------------*/ |
283 | |
284 | static struct omap_usb_config sx1_usb_config __initdata = { |
285 | .otg = 0, |
286 | .register_dev = 1, |
287 | .register_host = 0, |
288 | .hmc_mode = 0, |
289 | .pins[0] = 2, |
290 | .pins[1] = 0, |
291 | .pins[2] = 0, |
292 | }; |
293 | |
294 | /*----------- LCD -------------------------*/ |
295 | |
296 | static const struct omap_lcd_config sx1_lcd_config __initconst = { |
297 | .ctrl_name = "internal" , |
298 | }; |
299 | |
300 | /*-----------------------------------------*/ |
301 | static struct platform_device *sx1_devices[] __initdata = { |
302 | &sx1_flash_device, |
303 | &sx1_kp_device, |
304 | }; |
305 | |
306 | /*-----------------------------------------*/ |
307 | |
308 | static struct gpiod_lookup_table sx1_gpio_table = { |
309 | .dev_id = NULL, |
310 | .table = { |
311 | GPIO_LOOKUP("gpio-0-15" , 1, "irda_off" , |
312 | GPIO_ACTIVE_HIGH), |
313 | GPIO_LOOKUP("gpio-0-15" , 11, "switch" , |
314 | GPIO_ACTIVE_HIGH), |
315 | GPIO_LOOKUP("gpio-0-15" , 15, "usb_on" , |
316 | GPIO_ACTIVE_HIGH), |
317 | { } |
318 | }, |
319 | }; |
320 | |
321 | static void __init omap_sx1_init(void) |
322 | { |
323 | struct gpio_desc *d; |
324 | |
325 | /* mux pins for uarts */ |
326 | omap_cfg_reg(reg_cfg: UART1_TX); |
327 | omap_cfg_reg(reg_cfg: UART1_RTS); |
328 | omap_cfg_reg(reg_cfg: UART2_TX); |
329 | omap_cfg_reg(reg_cfg: UART2_RTS); |
330 | omap_cfg_reg(reg_cfg: UART3_TX); |
331 | omap_cfg_reg(reg_cfg: UART3_RX); |
332 | |
333 | platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices)); |
334 | |
335 | omap_serial_init(); |
336 | omap_register_i2c_bus(bus_id: 1, clkrate: 100, NULL, len: 0); |
337 | omap1_usb_init(pdata: &sx1_usb_config); |
338 | sx1_mmc_init(); |
339 | gpiod_add_lookup_table(table: &sx1_gpio_table); |
340 | |
341 | /* turn on USB power */ |
342 | /* sx1_setusbpower(1); can't do it here because i2c is not ready */ |
343 | d = gpiod_get(NULL, con_id: "irda_off" , flags: GPIOD_OUT_HIGH); |
344 | if (IS_ERR(ptr: d)) |
345 | pr_err("Unable to get IRDA OFF GPIO descriptor\n" ); |
346 | else |
347 | gpiod_put(desc: d); |
348 | d = gpiod_get(NULL, con_id: "switch" , flags: GPIOD_OUT_LOW); |
349 | if (IS_ERR(ptr: d)) |
350 | pr_err("Unable to get SWITCH GPIO descriptor\n" ); |
351 | else |
352 | gpiod_put(desc: d); |
353 | d = gpiod_get(NULL, con_id: "usb_on" , flags: GPIOD_OUT_LOW); |
354 | if (IS_ERR(ptr: d)) |
355 | pr_err("Unable to get USB ON GPIO descriptor\n" ); |
356 | else |
357 | gpiod_put(desc: d); |
358 | |
359 | omapfb_set_lcd_config(config: &sx1_lcd_config); |
360 | } |
361 | |
362 | MACHINE_START(SX1, "OMAP310 based Siemens SX1" ) |
363 | .atag_offset = 0x100, |
364 | .map_io = omap1_map_io, |
365 | .init_early = omap1_init_early, |
366 | .init_irq = omap1_init_irq, |
367 | .init_machine = omap_sx1_init, |
368 | .init_late = omap1_init_late, |
369 | .init_time = omap1_timer_init, |
370 | .restart = omap1_restart, |
371 | MACHINE_END |
372 | |