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authorSundar Iyer <sundar.iyer@stericsson.com>2011-01-21 10:56:18 +0530
committerLinus Walleij <linus.walleij@linaro.org>2011-03-14 14:05:10 +0100
commit71f933f4efe8395d4f3da6979cab6a01f2c5411b (patch)
tree75c02d570f924390143501bd261ef2f4fa3c2916
parent0c24352eada58dc3571647593e516b2d5b50014f (diff)
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>
-rw-r--r--arch/arm/mach-ux500/board-mop500-u8500uib.c97
-rw-r--r--arch/arm/mach-ux500/board-mop500.c3
2 files changed, 100 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-u8500uib.c b/arch/arm/mach-ux500/board-mop500-u8500uib.c
index e81c65b2f721..d8a8734a0eba 100644
--- a/arch/arm/mach-ux500/board-mop500-u8500uib.c
+++ b/arch/arm/mach-ux500/board-mop500-u8500uib.c
@@ -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));
+
}
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 1a839ccad4f8..fd6d5090caea 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -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 = {