arch/arm/mach-ux500/board-mop500-u8500uib.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Board data for the U8500 UIB, also known as the New UIB
   5  * License terms: GNU General Public License (GPL), version 2
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/i2c.h>
  11 #include <linux/gpio.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/mfd/tc3589x.h>
  14 #include <linux/input/matrix_keypad.h>
  15 #include <../drivers/staging/ste_rmi4/synaptics_i2c_rmi4.h>
  16
  17 #include <mach/gpio.h>
  18 #include <mach/irqs.h>
  19
  20 #include "board-mop500.h"
  21
  22 /*
  23  * Synaptics RMI4 touchscreen interface on the U8500 UIB
  24  */
  25
  26 /*
  27  * Descriptor structure.
  28  * Describes the number of i2c devices on the bus that speak RMI.
  29  */
  30 static struct synaptics_rmi4_platform_data rmi4_i2c_dev_platformdata = {
  31         .irq_number     = NOMADIK_GPIO_TO_IRQ(84),
  32         .irq_type       = (IRQF_TRIGGER_FALLING | IRQF_SHARED),
  33         .x_flip         = false,
  34         .y_flip         = true,
  35         .regulator_en   = false,
  36 };
  37
  38 static struct i2c_board_info __initdata mop500_i2c3_devices_u8500[] = {
  39         {
  40                 I2C_BOARD_INFO("synaptics_rmi4_i2c", 0x4B),
  41                 .platform_data = &rmi4_i2c_dev_platformdata,
  42         },
  43 };
  44
  45 /*
  46  * TC35893
  47  */
  48 static const unsigned int u8500_keymap[] = {
  49         KEY(3, 1, KEY_END),
  50         KEY(4, 1, KEY_POWER),
  51         KEY(6, 4, KEY_VOLUMEDOWN),
  52         KEY(4, 2, KEY_EMAIL),
  53         KEY(3, 3, KEY_RIGHT),
  54         KEY(2, 5, KEY_BACKSPACE),
  55
  56         KEY(6, 7, KEY_MENU),
  57         KEY(5, 0, KEY_ENTER),
  58         KEY(4, 3, KEY_0),
  59         KEY(3, 4, KEY_DOT),
  60         KEY(5, 2, KEY_UP),
  61         KEY(3, 5, KEY_DOWN),
  62
  63         KEY(4, 5, KEY_SEND),
  64         KEY(0, 5, KEY_BACK),
  65         KEY(6, 2, KEY_VOLUMEUP),
  66         KEY(1, 3, KEY_SPACE),
  67         KEY(7, 6, KEY_LEFT),
  68         KEY(5, 5, KEY_SEARCH),
  69 };
  70
  71 static struct matrix_keymap_data u8500_keymap_data = {
  72         .keymap         = u8500_keymap,
  73         .keymap_size    = ARRAY_SIZE(u8500_keymap),
  74 };
  75
  76 static struct tc3589x_keypad_platform_data tc35893_data = {
  77         .krow = TC_KPD_ROWS,
  78         .kcol = TC_KPD_COLUMNS,
  79         .debounce_period = TC_KPD_DEBOUNCE_PERIOD,
  80         .settle_time = TC_KPD_SETTLE_TIME,
  81         .irqtype = IRQF_TRIGGER_FALLING,
  82         .enable_wakeup = true,
  83         .keymap_data    = &u8500_keymap_data,
  84         .no_autorepeat  = true,
  85 };
  86
  87 static struct tc3589x_platform_data tc3589x_keypad_data = {
  88         .block = TC3589x_BLOCK_KEYPAD,
  89         .keypad = &tc35893_data,
  90         .irq_base = MOP500_EGPIO_IRQ_BASE,
  91 };
  92
  93 static struct i2c_board_info __initdata mop500_i2c0_devices_u8500[] = {
  94         {
  95                 I2C_BOARD_INFO("tc3589x", 0x44),
  96                 .platform_data = &tc3589x_keypad_data,
  97                 .irq = NOMADIK_GPIO_TO_IRQ(218),
  98                 .flags = I2C_CLIENT_WAKE,
  99         },
 100 };
 101
 102
 103 void __init mop500_u8500uib_init(void)
 104 {
 105         mop500_uib_i2c_add(3, mop500_i2c3_devices_u8500,
 106                         ARRAY_SIZE(mop500_i2c3_devices_u8500));
 107
 108         mop500_uib_i2c_add(0, mop500_i2c0_devices_u8500,
 109                         ARRAY_SIZE(mop500_i2c0_devices_u8500));
 110
 111 }