src/mainboard/google/octopus/variants/phaser/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/variants.h>
   4 #include <soc/pci_devs.h>
   5 #include <ec/google/chromeec/ec.h>
   6
   7 #define SKU_UNKNOWN     0xFFFFFFFF
   8
   9 void variant_update_devtree(struct device *dev)
  10 {
  11         uint32_t sku_id = SKU_UNKNOWN;
  12         struct device *touchscreen_i2c_host;
  13
  14         touchscreen_i2c_host = pcidev_path_on_root(PCH_DEVFN_I2C7);
  15
  16         if (touchscreen_i2c_host == NULL)
  17                 return;
  18
  19         /* SKU ID 1, 6 does not have a touchscreen device, hence disable it. */
  20         google_chromeec_cbi_get_sku_id(&sku_id);
  21         if (no_touchscreen_sku(sku_id))
  22                 touchscreen_i2c_host->enabled = 0;
  23 }