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mach-ux500: add U8500 UIB platform data 

The U8500 UIB contains a Synaptics RMI touchpanel and
a matrix keyboard via the TC35893 port expander device.

Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sundar Iyer 2011-01-21 10:56:18 +05:30 committed by Linus Walleij
parent 0c24352ead
commit 71f933f4ef
2 changed files with 100 additions and 0 deletions
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97
arch/arm/mach-ux500/board-mop500-u8500uib.c
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@ -1,14 +1,111 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Board data for the U8500 UIB, also known as the New UIB
* License terms: GNU General Public License (GPL), version 2
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/mfd/tc3589x.h>
#include <linux/input/matrix_keypad.h>
#include <../drivers/staging/ste_rmi4/synaptics_i2c_rmi4.h>
#include <mach/gpio.h>
#include <mach/irqs.h>
#include "board-mop500.h"
/*
* Synaptics RMI4 touchscreen interface on the U8500 UIB
*/
/*
* Descriptor structure.
* Describes the number of i2c devices on the bus that speak RMI.
*/
static struct synaptics_rmi4_platform_data rmi4_i2c_dev_platformdata = {
.irq_number = NOMADIK_GPIO_TO_IRQ(84),
.irq_type = (IRQF_TRIGGER_FALLING | IRQF_SHARED),
.x_flip = false,
.y_flip = true,
.regulator_en = false,
};
static struct i2c_board_info __initdata mop500_i2c3_devices_u8500[] = {
{
I2C_BOARD_INFO("synaptics_rmi4_i2c", 0x4B),
.platform_data = &rmi4_i2c_dev_platformdata,
},
};
/*
* TC35893
*/
static const unsigned int u8500_keymap[] = {
KEY(3, 1, KEY_END),
KEY(4, 1, KEY_POWER),
KEY(6, 4, KEY_VOLUMEDOWN),
KEY(4, 2, KEY_EMAIL),
KEY(3, 3, KEY_RIGHT),
KEY(2, 5, KEY_BACKSPACE),
KEY(6, 7, KEY_MENU),
KEY(5, 0, KEY_ENTER),
KEY(4, 3, KEY_0),
KEY(3, 4, KEY_DOT),
KEY(5, 2, KEY_UP),
KEY(3, 5, KEY_DOWN),
KEY(4, 5, KEY_SEND),
KEY(0, 5, KEY_BACK),
KEY(6, 2, KEY_VOLUMEUP),
KEY(1, 3, KEY_SPACE),
KEY(7, 6, KEY_LEFT),
KEY(5, 5, KEY_SEARCH),
};
static struct matrix_keymap_data u8500_keymap_data = {
.keymap = u8500_keymap,
.keymap_size = ARRAY_SIZE(u8500_keymap),
};
static struct tc3589x_keypad_platform_data tc35893_data = {
.krow = TC_KPD_ROWS,
.kcol = TC_KPD_COLUMNS,
.debounce_period = TC_KPD_DEBOUNCE_PERIOD,
.settle_time = TC_KPD_SETTLE_TIME,
.irqtype = IRQF_TRIGGER_FALLING,
.enable_wakeup = true,
.keymap_data = &u8500_keymap_data,
.no_autorepeat = true,
};
static struct tc3589x_platform_data tc3589x_keypad_data = {
.block = TC3589x_BLOCK_KEYPAD,
.keypad = &tc35893_data,
.irq_base = MOP500_EGPIO_IRQ_BASE,
};
static struct i2c_board_info __initdata mop500_i2c0_devices_u8500[] = {
{
I2C_BOARD_INFO("tc3589x", 0x44),
.platform_data = &tc3589x_keypad_data,
.irq = NOMADIK_GPIO_TO_IRQ(218),
.flags = I2C_CLIENT_WAKE,
},
};
void __init mop500_u8500uib_init(void)
{
mop500_uib_i2c_add(3, mop500_i2c3_devices_u8500,
ARRAY_SIZE(mop500_i2c3_devices_u8500));
mop500_uib_i2c_add(0, mop500_i2c0_devices_u8500,
ARRAY_SIZE(mop500_i2c0_devices_u8500));
}

3
arch/arm/mach-ux500/board-mop500.c
View File

@ -77,6 +77,9 @@ static pin_cfg_t mop500_pins[] = {
/* STMPE1601 IRQ */
GPIO218_GPIO | PIN_INPUT_PULLUP,
/* touch screen */
GPIO84_GPIO | PIN_INPUT_PULLUP,
};
static struct ab8500_platform_data ab8500_platdata = {