Platform: x86: chromeos_laptop : Add basic platform data for atmel devices

Add basic platform data to get the current upstream driver working
with the 224s touchpad and 1664s touchscreen.
We will be using NULL config so we will use the settings from the
devices' NVRAMs.

Signed-off-by: Benson Leung <bleung@chromium.org>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c
index 93d66809355a203e97b0e4229f5dc2ac932d2e54..3e5b4497a1d02010b4c63bdc939f67127bb19976 100644 (file)
--- a/drivers/platform/x86/chromeos_laptop.c
+++ b/drivers/platform/x86/chromeos_laptop.c
@@ -23,6 +23,9 @@
 
 #include <linux/dmi.h>
 #include <linux/i2c.h>
+#include <linux/i2c/atmel_mxt_ts.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
 #include <linux/module.h>
 
 #define ATMEL_TP_I2C_ADDR      0x4b
@@ -67,15 +70,49 @@ static struct i2c_board_info __initdata tsl2563_als_device = {
        I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
 };
 
+static struct mxt_platform_data atmel_224s_tp_platform_data = {
+       .x_line                 = 18,
+       .y_line                 = 12,
+       .x_size                 = 102*20,
+       .y_size                 = 68*20,
+       .blen                   = 0x80, /* Gain setting is in upper 4 bits */
+       .threshold              = 0x32,
+       .voltage                = 0,    /* 3.3V */
+       .orient                 = MXT_VERTICAL_FLIP,
+       .irqflags               = IRQF_TRIGGER_FALLING,
+       .is_tp                  = true,
+       .key_map                = { KEY_RESERVED,
+                                   KEY_RESERVED,
+                                   KEY_RESERVED,
+                                   BTN_LEFT },
+       .config                 = NULL,
+       .config_length          = 0,
+};
+
 static struct i2c_board_info __initdata atmel_224s_tp_device = {
        I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR),
-       .platform_data = NULL,
+       .platform_data = &atmel_224s_tp_platform_data,
        .flags          = I2C_CLIENT_WAKE,
 };
 
+static struct mxt_platform_data atmel_1664s_platform_data = {
+       .x_line                 = 32,
+       .y_line                 = 50,
+       .x_size                 = 1700,
+       .y_size                 = 2560,
+       .blen                   = 0x89, /* Gain setting is in upper 4 bits */
+       .threshold              = 0x28,
+       .voltage                = 0,    /* 3.3V */
+       .orient                 = MXT_ROTATED_90_COUNTER,
+       .irqflags               = IRQF_TRIGGER_FALLING,
+       .is_tp                  = false,
+       .config                 = NULL,
+       .config_length          = 0,
+};
+
 static struct i2c_board_info __initdata atmel_1664s_device = {
        I2C_BOARD_INFO("atmel_mxt_ts", ATMEL_TS_I2C_ADDR),
-       .platform_data = NULL,
+       .platform_data = &atmel_1664s_platform_data,
        .flags          = I2C_CLIENT_WAKE,
 };