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>

diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 02e014b..e0a6710 100644 (file)
--- 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"),