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authorEric Lai <ericr_lai@compal.corp-partner.google.com>2021-04-08 11:48:30 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-04-09 06:24:50 +0000
commit8af6b57788a0066a8b0d6264ae234e4131eefbd7 (patch)
treef94514cdb2805d355892b74197d6c82813af401d
parentec76ae082a985981cc9472c86e87ca5a3d623b84 (diff)
mb/google/mancomb: Add initial I2C configuration
BUG=b:182211161 TEST=builds Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com> Change-Id: I483c2e77eedcb434709b67bf9b3fbca636499508 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52174 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Mathew King <mathewk@chromium.org>
-rw-r--r--src/mainboard/google/mancomb/Kconfig2
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/devicetree.cb3
-rw-r--r--src/mainboard/google/mancomb/variants/mancomb/overridetree.cb21
3 files changed, 26 insertions, 0 deletions
diff --git a/src/mainboard/google/mancomb/Kconfig b/src/mainboard/google/mancomb/Kconfig
index b681a1ef81..85a50b399d 100644
--- a/src/mainboard/google/mancomb/Kconfig
+++ b/src/mainboard/google/mancomb/Kconfig
@@ -10,6 +10,8 @@ config BOARD_SPECIFIC_OPTIONS
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 b368574f68..533e2b4faa 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
@@ -38,6 +38,9 @@ chip soc/amd/cezanne
.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 eae9425bf7..59fe79046c 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