[coreboot-gerrit] Change in coreboot[master]: mb/google/mancomb: Add initial I2C configuration

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52174 )

Change subject: mb/google/mancomb: Add initial I2C configuration
......................................................................

mb/google/mancomb: Add initial I2C configuration

BUG=b:182211161
TEST=builds

Signed-off-by: Eric Lai 
Change-Id: I483c2e77eedcb434709b67bf9b3fbca636499508
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52174
Tested-by: build bot (Jenkins) 
Reviewed-by: Mathew King 
---
M src/mainboard/google/mancomb/Kconfig
M src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
M src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
3 files changed, 26 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Mathew King: Looks good to me, approved

diff --git a/src/mainboard/google/mancomb/Kconfig b/src/mainboard/google/mancomb/Kconfig
index b681a1e..85a50b3 100644
--- a/src/mainboard/google/mancomb/Kconfig
+++ b/src/mainboard/google/mancomb/Kconfig
@@ -10,6 +10,8 @@
    select AMD_SOC_CONSOLE_UART
    select BOARD_ROMSIZE_KB_16384
    select DISABLE_SPI_FLASH_ROM_SHARING
+	select DRIVERS_I2C_GENERIC
+	select DRIVERS_I2C_HID
    select EC_GOOGLE_CHROMEEC
    select EC_GOOGLE_CHROMEEC_BOARDID
    select EC_GOOGLE_CHROMEEC_ESPI
diff --git a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
index b368574..533e2b4 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
@@ -38,6 +38,9 @@
    	.vw_irq_polarity = ESPI_VW_IRQ_LEVEL_HIGH(1) | ESPI_VW_IRQ_LEVEL_HIGH(12),
    }"

+	register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL |
+					GPIO_I2C2_SCL | GPIO_I2C3_SCL"
+
    device domain 0 on
    	device ref gpp_bridge_0 on end # WLAN
    	device ref gpp_bridge_1 on end # SD
diff --git a/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb b/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
index eae9425..59fe790 100644
--- a/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
+++ b/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
@@ -1,4 +1,25 @@
 chip soc/amd/cezanne
    device domain 0 on
    end # domain
+
+	# I2C Config
+	#+-------------------+---------------------------+
+	#| Field             |  Value                    |
+	#+-------------------+---------------------------+
+	#| I2C0              | memory SPD bus            |
+	#| I2C2              | Codec			 |
+	#| I2C3              | H1/D2 TPM                 |
+	#+-------------------+---------------------------+
+	register "i2c[0]" = "{
+		.speed = I2C_SPEED_FAST,
+		.early_init = true,
+	}"
+	register "i2c[2]" = "{
+		.speed = I2C_SPEED_FAST,
+	}"
+	register "i2c[3]" = "{
+		.speed = I2C_SPEED_FAST,
+		.early_init = true,
+	}"
+
 end # chip soc/amd/cezanne