mach-ux500: add U8500 UIB platform data
Sundar Iyer [Fri, 21 Jan 2011 05:26:18 +0000 (10:26 +0530)]
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>

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

index e81c65b..d8a8734 100644 (file)
 /*
  * 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));
+
 }
index 1a839cc..fd6d509 100644 (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 = {