platform/chrome: chromeos_laptop: Add Leon Touch

Add support for Leon touch devices, which is the same as
slippy/falco/peppy/wolf on the same buses using the LynxPoint-LP I2C via
the i2c-designware-pci driver.

Based on the following patch:
https://chromium-review.googlesource.com/#/c/168351/

Signed-off-by: Gene Chen <gene.chen@intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.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 2b441e9ae593518dd7ac0ade3168e8928436f042..f5aa0a361412ba9fa2a91e446c695b11bef66d30 100644 (file)
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -494,6 +494,13 @@ static struct chromeos_laptop cr48 = {
        },
 };
 
+static struct chromeos_laptop leon = {
+       .i2c_peripherals = {
+               /* Touchpad. */
+               { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
+       },
+};
+
 #define _CBDD(board_) \
        .callback = chromeos_laptop_dmi_matched, \
        .driver_data = (void *)&board_
@@ -581,6 +588,14 @@ static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = {
                },
                _CBDD(cr48),
        },
+       {
+               .ident = "Leon",
+               .matches = {
+                       DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Leon"),
+               },
+               _CBDD(leon),
+       },
        { }
 };
 MODULE_DEVICE_TABLE(dmi, chromeos_laptop_dmi_table);