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.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/input.h>
18 #include <linux/platform_device.h>
19 #include <linux/notifier.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/types.h>
24 #include <linux/i2c.h>
25 #include <linux/errno.h>
26 #include <linux/export.h>
27 #include <linux/omapfb.h>
28 #include <linux/platform_data/keypad-omap.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 <linux/omap-dma.h>
37 #include <mach/tc.h>
38 #include "board-sx1.h"
39
40 #include <mach/hardware.h>
41 #include <mach/usb.h>
42
43 #include "common.h"
44
45 /* Write to I2C device */
sx1_i2c_write_byte(u8 devaddr,u8 regoffset,u8 value)46 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
47 {
48 struct i2c_adapter *adap;
49 int err;
50 struct i2c_msg msg[1];
51 unsigned char data[2];
52
53 adap = i2c_get_adapter(0);
54 if (!adap)
55 return -ENODEV;
56 msg->addr = devaddr; /* I2C address of chip */
57 msg->flags = 0;
58 msg->len = 2;
59 msg->buf = data;
60 data[0] = regoffset; /* register num */
61 data[1] = value; /* register data */
62 err = i2c_transfer(adap, msg, 1);
63 i2c_put_adapter(adap);
64 if (err >= 0)
65 return 0;
66 return err;
67 }
68
69 /* Read from I2C device */
sx1_i2c_read_byte(u8 devaddr,u8 regoffset,u8 * value)70 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
71 {
72 struct i2c_adapter *adap;
73 int err;
74 struct i2c_msg msg[1];
75 unsigned char data[2];
76
77 adap = i2c_get_adapter(0);
78 if (!adap)
79 return -ENODEV;
80
81 msg->addr = devaddr; /* I2C address of chip */
82 msg->flags = 0;
83 msg->len = 1;
84 msg->buf = data;
85 data[0] = regoffset; /* register num */
86 err = i2c_transfer(adap, msg, 1);
87
88 msg->addr = devaddr; /* I2C address */
89 msg->flags = I2C_M_RD;
90 msg->len = 1;
91 msg->buf = data;
92 err = i2c_transfer(adap, msg, 1);
93 *value = data[0];
94 i2c_put_adapter(adap);
95
96 if (err >= 0)
97 return 0;
98 return err;
99 }
100 /* set keyboard backlight intensity */
sx1_setkeylight(u8 keylight)101 int sx1_setkeylight(u8 keylight)
102 {
103 if (keylight > SOFIA_MAX_LIGHT_VAL)
104 keylight = SOFIA_MAX_LIGHT_VAL;
105 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
106 }
107 /* get current keylight intensity */
sx1_getkeylight(u8 * keylight)108 int sx1_getkeylight(u8 * keylight)
109 {
110 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
111 }
112 /* set LCD backlight intensity */
sx1_setbacklight(u8 backlight)113 int sx1_setbacklight(u8 backlight)
114 {
115 if (backlight > SOFIA_MAX_LIGHT_VAL)
116 backlight = SOFIA_MAX_LIGHT_VAL;
117 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
118 backlight);
119 }
120 /* get current LCD backlight intensity */
sx1_getbacklight(u8 * backlight)121 int sx1_getbacklight (u8 * backlight)
122 {
123 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
124 backlight);
125 }
126 /* set LCD backlight power on/off */
sx1_setmmipower(u8 onoff)127 int sx1_setmmipower(u8 onoff)
128 {
129 int err;
130 u8 dat = 0;
131 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
132 if (err < 0)
133 return err;
134 if (onoff)
135 dat |= SOFIA_MMILIGHT_POWER;
136 else
137 dat &= ~SOFIA_MMILIGHT_POWER;
138 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
139 }
140
141 /* set USB power on/off */
sx1_setusbpower(u8 onoff)142 int sx1_setusbpower(u8 onoff)
143 {
144 int err;
145 u8 dat = 0;
146 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
147 if (err < 0)
148 return err;
149 if (onoff)
150 dat |= SOFIA_USB_POWER;
151 else
152 dat &= ~SOFIA_USB_POWER;
153 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
154 }
155
156 EXPORT_SYMBOL(sx1_setkeylight);
157 EXPORT_SYMBOL(sx1_getkeylight);
158 EXPORT_SYMBOL(sx1_setbacklight);
159 EXPORT_SYMBOL(sx1_getbacklight);
160 EXPORT_SYMBOL(sx1_setmmipower);
161 EXPORT_SYMBOL(sx1_setusbpower);
162
163 /*----------- Keypad -------------------------*/
164
165 static const unsigned int sx1_keymap[] = {
166 KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
167 KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
168 KEY(4, 1, GROUP_2 | 114), /* voice memo */
169 KEY(4, 2, GROUP_3 | 114), /* voice memo */
170 KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */
171 KEY(3, 4, GROUP_1 | KEY_LEFT),
172 KEY(3, 2, GROUP_1 | KEY_DOWN),
173 KEY(3, 1, GROUP_1 | KEY_RIGHT),
174 KEY(3, 0, GROUP_1 | KEY_UP),
175 KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
176 KEY(0, 5, GROUP_1 | KEY_1),
177 KEY(0, 4, GROUP_1 | KEY_2),
178 KEY(0, 3, GROUP_1 | KEY_3),
179 KEY(4, 3, GROUP_1 | KEY_4),
180 KEY(4, 4, GROUP_1 | KEY_5),
181 KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
182 KEY(1, 4, GROUP_1 | KEY_6),
183 KEY(1, 5, GROUP_1 | KEY_7),
184 KEY(1, 3, GROUP_1 | KEY_8),
185 KEY(2, 3, GROUP_1 | KEY_9),
186 KEY(2, 5, GROUP_1 | KEY_0),
187 KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
188 KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */
189 KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */
190 KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */
191 KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
192 KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
193 KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */
194 };
195
196 static struct resource sx1_kp_resources[] = {
197 [0] = {
198 .start = INT_KEYBOARD,
199 .end = INT_KEYBOARD,
200 .flags = IORESOURCE_IRQ,
201 },
202 };
203
204 static const struct matrix_keymap_data sx1_keymap_data = {
205 .keymap = sx1_keymap,
206 .keymap_size = ARRAY_SIZE(sx1_keymap),
207 };
208
209 static struct omap_kp_platform_data sx1_kp_data = {
210 .rows = 6,
211 .cols = 6,
212 .keymap_data = &sx1_keymap_data,
213 .delay = 80,
214 };
215
216 static struct platform_device sx1_kp_device = {
217 .name = "omap-keypad",
218 .id = -1,
219 .dev = {
220 .platform_data = &sx1_kp_data,
221 },
222 .num_resources = ARRAY_SIZE(sx1_kp_resources),
223 .resource = sx1_kp_resources,
224 };
225
226 /*----------- MTD -------------------------*/
227
228 static struct mtd_partition sx1_partitions[] = {
229 /* bootloader (U-Boot, etc) in first sector */
230 {
231 .name = "bootloader",
232 .offset = 0x01800000,
233 .size = SZ_128K,
234 .mask_flags = MTD_WRITEABLE, /* force read-only */
235 },
236 /* bootloader params in the next sector */
237 {
238 .name = "params",
239 .offset = MTDPART_OFS_APPEND,
240 .size = SZ_128K,
241 .mask_flags = 0,
242 },
243 /* kernel */
244 {
245 .name = "kernel",
246 .offset = MTDPART_OFS_APPEND,
247 .size = SZ_2M - 2 * SZ_128K,
248 .mask_flags = 0
249 },
250 /* file system */
251 {
252 .name = "filesystem",
253 .offset = MTDPART_OFS_APPEND,
254 .size = MTDPART_SIZ_FULL,
255 .mask_flags = 0
256 }
257 };
258
259 static struct physmap_flash_data sx1_flash_data = {
260 .width = 2,
261 .set_vpp = omap1_set_vpp,
262 .parts = sx1_partitions,
263 .nr_parts = ARRAY_SIZE(sx1_partitions),
264 };
265
266 /* MTD Intel 4000 flash - new flashes */
267 static struct resource sx1_new_flash_resource = {
268 .start = OMAP_CS0_PHYS,
269 .end = OMAP_CS0_PHYS + SZ_32M - 1,
270 .flags = IORESOURCE_MEM,
271 };
272
273 static struct platform_device sx1_flash_device = {
274 .name = "physmap-flash",
275 .id = 0,
276 .dev = {
277 .platform_data = &sx1_flash_data,
278 },
279 .num_resources = 1,
280 .resource = &sx1_new_flash_resource,
281 };
282
283 /*----------- USB -------------------------*/
284
285 static struct omap_usb_config sx1_usb_config __initdata = {
286 .otg = 0,
287 .register_dev = 1,
288 .register_host = 0,
289 .hmc_mode = 0,
290 .pins[0] = 2,
291 .pins[1] = 0,
292 .pins[2] = 0,
293 };
294
295 /*----------- LCD -------------------------*/
296
297 static const struct omap_lcd_config sx1_lcd_config __initconst = {
298 .ctrl_name = "internal",
299 };
300
301 /*-----------------------------------------*/
302 static struct platform_device *sx1_devices[] __initdata = {
303 &sx1_flash_device,
304 &sx1_kp_device,
305 };
306
307 /*-----------------------------------------*/
308
omap_sx1_init(void)309 static void __init omap_sx1_init(void)
310 {
311 /* mux pins for uarts */
312 omap_cfg_reg(UART1_TX);
313 omap_cfg_reg(UART1_RTS);
314 omap_cfg_reg(UART2_TX);
315 omap_cfg_reg(UART2_RTS);
316 omap_cfg_reg(UART3_TX);
317 omap_cfg_reg(UART3_RX);
318
319 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
320
321 omap_serial_init();
322 omap_register_i2c_bus(1, 100, NULL, 0);
323 omap1_usb_init(&sx1_usb_config);
324 sx1_mmc_init();
325
326 /* turn on USB power */
327 /* sx1_setusbpower(1); can't do it here because i2c is not ready */
328 gpio_request(1, "A_IRDA_OFF");
329 gpio_request(11, "A_SWITCH");
330 gpio_request(15, "A_USB_ON");
331 gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */
332 gpio_direction_output(11, 0); /*A_SWITCH = 0 */
333 gpio_direction_output(15, 0); /*A_USB_ON = 0 */
334
335 omapfb_set_lcd_config(&sx1_lcd_config);
336 }
337
338 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
339 .atag_offset = 0x100,
340 .map_io = omap15xx_map_io,
341 .init_early = omap1_init_early,
342 .init_irq = omap1_init_irq,
343 .handle_irq = omap1_handle_irq,
344 .init_machine = omap_sx1_init,
345 .init_late = omap1_init_late,
346 .init_time = omap1_timer_init,
347 .restart = omap1_restart,
348 MACHINE_END
349