mb/google/guybrush: Enable AP <-> H1 communication
Configure H1 I2C and Interrupt GPIOs during the early initialization.
Add devicetree configuration for H1 device and enable the required
config items.
BUG=b:180528902
TEST=Build Guybrush mainboard.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I040a5e6101bab0c7425d7b6cc6fbed3b479a5a44
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51544
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index 3205d21..4d57b52 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -132,4 +132,13 @@
end
end
end # domain
+
+ device ref i2c_3 on
+ chip drivers/i2c/tpm
+ register "hid" = ""GOOG0005""
+ register "desc" = ""Cr50 TPM""
+ register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_3)"
+ device i2c 50 on end
+ end
+ end
end # chip soc/amd/cezanne