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-rw-r--r--src/mainboard/google/kahlee/variants/grunt/devicetree.cb18
1 files changed, 9 insertions, 9 deletions
diff --git a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
index 9665a78675..7ffc0aca0c 100644
--- a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
@@ -21,11 +21,11 @@ chip soc/amd/stoneyridge
register "uma_mode" = "UMAMODE_SPECIFIED_SIZE"
register "uma_size" = "128 * MiB"
- # TODO(teravest): Fix speeds here.
+ # Enable I2C0 for audio, USB3 hub at 400kHz
register "i2c[0]" = "{
.speed = I2C_SPEED_FAST,
- .rise_time_ns = 104,
- .fall_time_ns = 52,
+ .rise_time_ns = 95,
+ .fall_time_ns = 3,
}"
# Enable I2C1 for H1 at 400kHz
@@ -36,18 +36,18 @@ chip soc/amd/stoneyridge
.fall_time_ns = 4,
}"
- # TODO(teravest): Fix speeds here.
+ # Enable I2C2 for trackpad, pen at 400kHz
register "i2c[2]" = "{
.speed = I2C_SPEED_FAST,
- .rise_time_ns = 104,
- .fall_time_ns = 52,
+ .rise_time_ns = 117,
+ .fall_time_ns = 113,
}"
- # TODO(teravest): Fix speeds here.
+ # Enable I2C3 for touchscreen at 400kHz
register "i2c[3]" = "{
.speed = I2C_SPEED_FAST,
- .rise_time_ns = 104,
- .fall_time_ns = 52,
+ .rise_time_ns = 82,
+ .fall_time_ns = 67,
}"
device cpu_cluster 0 on