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 */
sx1_i2c_write_byte(u8 devaddr,u8 regoffset,u8 value)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(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, msg, 1);
62 i2c_put_adapter(adap);
63 if (err >= 0)
64 return 0;
65 return err;
66 }
67
68 /* Read from I2C device */
sx1_i2c_read_byte(u8 devaddr,u8 regoffset,u8 * value)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(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, msg, 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, msg, 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 */
sx1_setkeylight(u8 keylight)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, keylight);
105 }
106 /* get current keylight intensity */
sx1_getkeylight(u8 * keylight)107 int sx1_getkeylight(u8 * keylight)
108 {
109 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
110 }
111 /* set LCD backlight intensity */
sx1_setbacklight(u8 backlight)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 backlight);
118 }
119 /* get current LCD backlight intensity */
sx1_getbacklight(u8 * backlight)120 int sx1_getbacklight (u8 * backlight)
121 {
122 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
123 backlight);
124 }
125 /* set LCD backlight power on/off */
sx1_setmmipower(u8 onoff)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, &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, dat);
138 }
139
140 /* set USB power on/off */
sx1_setusbpower(u8 onoff)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, &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, 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
omap_sx1_init(void)321 static void __init omap_sx1_init(void)
322 {
323 struct gpio_desc *d;
324
325 /* mux pins for uarts */
326 omap_cfg_reg(UART1_TX);
327 omap_cfg_reg(UART1_RTS);
328 omap_cfg_reg(UART2_TX);
329 omap_cfg_reg(UART2_RTS);
330 omap_cfg_reg(UART3_TX);
331 omap_cfg_reg(UART3_RX);
332
333 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
334
335 omap_serial_init();
336 omap_register_i2c_bus(1, 100, NULL, 0);
337 omap1_usb_init(&sx1_usb_config);
338 sx1_mmc_init();
339 gpiod_add_lookup_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, "irda_off", GPIOD_OUT_HIGH);
344 if (IS_ERR(d))
345 pr_err("Unable to get IRDA OFF GPIO descriptor\n");
346 else
347 gpiod_put(d);
348 d = gpiod_get(NULL, "switch", GPIOD_OUT_LOW);
349 if (IS_ERR(d))
350 pr_err("Unable to get SWITCH GPIO descriptor\n");
351 else
352 gpiod_put(d);
353 d = gpiod_get(NULL, "usb_on", GPIOD_OUT_LOW);
354 if (IS_ERR(d))
355 pr_err("Unable to get USB ON GPIO descriptor\n");
356 else
357 gpiod_put(d);
358
359 omapfb_set_lcd_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