1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-omap1/board-sx1.c
5 * Modified from board-generic.c
7 * Support for the Siemens SX1 mobile phone.
9 * Original version : Vladimir Ananiev (Vovan888-at-gmail com)
11 * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
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 #include <linux/omap-dma.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
38 #include "board-sx1.h"
43 /* Write to I2C device */
44 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
46 struct i2c_adapter *adap;
48 struct i2c_msg msg[1];
49 unsigned char data[2];
51 adap = i2c_get_adapter(0);
54 msg->addr = devaddr; /* I2C address of chip */
58 data[0] = regoffset; /* register num */
59 data[1] = value; /* register data */
60 err = i2c_transfer(adap, msg, 1);
61 i2c_put_adapter(adap);
67 /* Read from I2C device */
68 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
70 struct i2c_adapter *adap;
72 struct i2c_msg msg[1];
73 unsigned char data[2];
75 adap = i2c_get_adapter(0);
79 msg->addr = devaddr; /* I2C address of chip */
83 data[0] = regoffset; /* register num */
84 err = i2c_transfer(adap, msg, 1);
86 msg->addr = devaddr; /* I2C address */
87 msg->flags = I2C_M_RD;
90 err = i2c_transfer(adap, msg, 1);
92 i2c_put_adapter(adap);
98 /* set keyboard backlight intensity */
99 int sx1_setkeylight(u8 keylight)
101 if (keylight > SOFIA_MAX_LIGHT_VAL)
102 keylight = SOFIA_MAX_LIGHT_VAL;
103 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
105 /* get current keylight intensity */
106 int sx1_getkeylight(u8 * keylight)
108 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
110 /* set LCD backlight intensity */
111 int sx1_setbacklight(u8 backlight)
113 if (backlight > SOFIA_MAX_LIGHT_VAL)
114 backlight = SOFIA_MAX_LIGHT_VAL;
115 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
118 /* get current LCD backlight intensity */
119 int sx1_getbacklight (u8 * backlight)
121 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
124 /* set LCD backlight power on/off */
125 int sx1_setmmipower(u8 onoff)
129 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
133 dat |= SOFIA_MMILIGHT_POWER;
135 dat &= ~SOFIA_MMILIGHT_POWER;
136 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
139 /* set USB power on/off */
140 int sx1_setusbpower(u8 onoff)
144 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
148 dat |= SOFIA_USB_POWER;
150 dat &= ~SOFIA_USB_POWER;
151 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
154 EXPORT_SYMBOL(sx1_setkeylight);
155 EXPORT_SYMBOL(sx1_getkeylight);
156 EXPORT_SYMBOL(sx1_setbacklight);
157 EXPORT_SYMBOL(sx1_getbacklight);
158 EXPORT_SYMBOL(sx1_setmmipower);
159 EXPORT_SYMBOL(sx1_setusbpower);
161 /*----------- Keypad -------------------------*/
163 static const unsigned int sx1_keymap[] = {
164 KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
165 KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
166 KEY(4, 1, GROUP_2 | 114), /* voice memo */
167 KEY(4, 2, GROUP_3 | 114), /* voice memo */
168 KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */
169 KEY(3, 4, GROUP_1 | KEY_LEFT),
170 KEY(3, 2, GROUP_1 | KEY_DOWN),
171 KEY(3, 1, GROUP_1 | KEY_RIGHT),
172 KEY(3, 0, GROUP_1 | KEY_UP),
173 KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
174 KEY(0, 5, GROUP_1 | KEY_1),
175 KEY(0, 4, GROUP_1 | KEY_2),
176 KEY(0, 3, GROUP_1 | KEY_3),
177 KEY(4, 3, GROUP_1 | KEY_4),
178 KEY(4, 4, GROUP_1 | KEY_5),
179 KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
180 KEY(1, 4, GROUP_1 | KEY_6),
181 KEY(1, 5, GROUP_1 | KEY_7),
182 KEY(1, 3, GROUP_1 | KEY_8),
183 KEY(2, 3, GROUP_1 | KEY_9),
184 KEY(2, 5, GROUP_1 | KEY_0),
185 KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
186 KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */
187 KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */
188 KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */
189 KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
190 KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
191 KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */
194 static struct resource sx1_kp_resources[] = {
196 .start = INT_KEYBOARD,
198 .flags = IORESOURCE_IRQ,
202 static const struct matrix_keymap_data sx1_keymap_data = {
203 .keymap = sx1_keymap,
204 .keymap_size = ARRAY_SIZE(sx1_keymap),
207 static struct omap_kp_platform_data sx1_kp_data = {
210 .keymap_data = &sx1_keymap_data,
214 static struct platform_device sx1_kp_device = {
215 .name = "omap-keypad",
218 .platform_data = &sx1_kp_data,
220 .num_resources = ARRAY_SIZE(sx1_kp_resources),
221 .resource = sx1_kp_resources,
224 /*----------- MTD -------------------------*/
226 static struct mtd_partition sx1_partitions[] = {
227 /* bootloader (U-Boot, etc) in first sector */
229 .name = "bootloader",
230 .offset = 0x01800000,
232 .mask_flags = MTD_WRITEABLE, /* force read-only */
234 /* bootloader params in the next sector */
237 .offset = MTDPART_OFS_APPEND,
244 .offset = MTDPART_OFS_APPEND,
245 .size = SZ_2M - 2 * SZ_128K,
250 .name = "filesystem",
251 .offset = MTDPART_OFS_APPEND,
252 .size = MTDPART_SIZ_FULL,
257 static struct physmap_flash_data sx1_flash_data = {
259 .set_vpp = omap1_set_vpp,
260 .parts = sx1_partitions,
261 .nr_parts = ARRAY_SIZE(sx1_partitions),
264 /* MTD Intel 4000 flash - new flashes */
265 static struct resource sx1_new_flash_resource = {
266 .start = OMAP_CS0_PHYS,
267 .end = OMAP_CS0_PHYS + SZ_32M - 1,
268 .flags = IORESOURCE_MEM,
271 static struct platform_device sx1_flash_device = {
272 .name = "physmap-flash",
275 .platform_data = &sx1_flash_data,
278 .resource = &sx1_new_flash_resource,
281 /*----------- USB -------------------------*/
283 static struct omap_usb_config sx1_usb_config __initdata = {
293 /*----------- LCD -------------------------*/
295 static const struct omap_lcd_config sx1_lcd_config __initconst = {
296 .ctrl_name = "internal",
299 /*-----------------------------------------*/
300 static struct platform_device *sx1_devices[] __initdata = {
305 /*-----------------------------------------*/
307 static void __init omap_sx1_init(void)
309 /* mux pins for uarts */
310 omap_cfg_reg(UART1_TX);
311 omap_cfg_reg(UART1_RTS);
312 omap_cfg_reg(UART2_TX);
313 omap_cfg_reg(UART2_RTS);
314 omap_cfg_reg(UART3_TX);
315 omap_cfg_reg(UART3_RX);
317 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
320 omap_register_i2c_bus(1, 100, NULL, 0);
321 omap1_usb_init(&sx1_usb_config);
324 /* turn on USB power */
325 /* sx1_setusbpower(1); can't do it here because i2c is not ready */
326 gpio_request(1, "A_IRDA_OFF");
327 gpio_request(11, "A_SWITCH");
328 gpio_request(15, "A_USB_ON");
329 gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */
330 gpio_direction_output(11, 0); /*A_SWITCH = 0 */
331 gpio_direction_output(15, 0); /*A_USB_ON = 0 */
333 omapfb_set_lcd_config(&sx1_lcd_config);
336 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
337 .atag_offset = 0x100,
338 .map_io = omap15xx_map_io,
339 .init_early = omap1_init_early,
340 .init_irq = omap1_init_irq,
341 .handle_irq = omap1_handle_irq,
342 .init_machine = omap_sx1_init,
343 .init_late = omap1_init_late,
344 .init_time = omap1_timer_init,
345 .restart = omap1_restart,