src/mainboard/google/kahlee/variants/liara/overridetree.cb

   1 # SPDX-License-Identifier: GPL-2.0-only
   2
   3 chip soc/amd/stoneyridge
   4         register "lvds_poseq_varybl_to_blon" = "0x5" # in 4ms
   5         register "lvds_poseq_blon_to_varybl" = "0x5" # in 4ms
   6
   7         # Enable I2C0 for audio, USB3 hub at 400kHz
   8         register "i2c[0]" = "{
   9                 .speed = I2C_SPEED_FAST,
  10                 .rise_time_ns = 85,
  11                 .fall_time_ns = 3,
  12         }"
  13
  14         # Enable I2C1 for H1 at 400kHz
  15         register "i2c[1]" = "{
  16                 .early_init = 1,
  17                 .speed = I2C_SPEED_FAST,
  18                 .rise_time_ns = 3,
  19                 .fall_time_ns = 2,
  20         }"
  21
  22         # Enable I2C2 for trackpad, pen at 400kHz
  23         register "i2c[2]" = "{
  24                 .speed = I2C_SPEED_FAST,
  25                 .rise_time_ns = 3,
  26                 .fall_time_ns = 2,
  27         }"
  28
  29         # Enable I2C3 for touchscreen at 400kHz
  30         register "i2c[3]" = "{
  31                 .speed = I2C_SPEED_FAST,
  32                 .rise_time_ns = 16,
  33                 .fall_time_ns = 8,
  34         }"
  35
  36         device ref i2c_0 on
  37                 chip drivers/generic/adau7002
  38                         register "wakeup_delay" = "20"
  39                         device generic 0.0 on end
  40                 end
  41         end
  42         device ref i2c_2 on
  43                 chip drivers/i2c/hid
  44                         register "generic.hid" = ""SYNA0000""
  45                         register "generic.cid" = ""ACPI0C50""
  46                         register "generic.desc" = ""Synaptics Touchpad""
  47                         register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_5)"
  48                         register "generic.wake" = "7"
  49                         register "generic.detect" = "1"
  50                         register "hid_desc_reg_offset" = "0x20"
  51                         device i2c 2c on end
  52                 end
  53         end
  54 end     #chip soc/amd/stoneyridge