platform/chrome: chromeos_laptop - Add Dell Chromebook 11 touch

Add support for Dell Chromebook 11's touch device, which is the same
as falco/peppy on the same bus using the LynxPoint-LP I2C via the
i2c-designware-pci driver.

Based on these patches from the chromeos-3.8 kernel:
https://chromium-review.googlesource.com/#/c/65320/
https://chromium-review.googlesource.com/#/c/174664/

Signed-off-by: Mohammed Habibulla <moch@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 02e014b8927c..e0a671075b28 100644
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -387,6 +387,13 @@ static struct chromeos_laptop hp_chromebook_14 = {
         },
 };
 
+static struct chromeos_laptop dell_chromebook_11 = {
+        .i2c_peripherals = {
+                /* Touchpad. */
+                { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
+        },
+};
+
 static struct chromeos_laptop acer_c7_chromebook = {
         .i2c_peripherals = {
                 /* Touchpad. */
@@ -453,6 +460,14 @@ static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = {
                 _CBDD(chromebook_pixel),
         },
         {
+                .ident = "Wolf",
+                .matches = {
+                        DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Wolf"),
+                },
+                _CBDD(dell_chromebook_11),
+        },
+        {
                 .ident = "HP Chromebook 14",
                 .matches = {
                         DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"),