diff options
| author | Furquan Shaikh <furquan@google.com> | 2019-02-04 23:03:04 -0800 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2019-02-06 17:38:00 +0000 |
| commit | eaf83489f619ec974943c53b006f17042e3b7b9e (patch) | |
| tree | c0fce1a0cb025aee4783ccd2dad1f30a4e05de25 /src | |
| parent | 946fa5f9418f0bff49c1dc90492c08e79f47a81f (diff) | |
| download | coreboot-eaf83489f619ec974943c53b006f17042e3b7b9e.tar.xz | |
mb/google/hatch: Configure I2C buses
This change enables I2C bus 2, 3 and 4 in devicetree and configures
GPIO pads for the same. It also configures pads for I2C5 as
no-connect.
BUG=b:123711244
TEST=Verified that i2c shows up in "i2cdetect -l" after booting to OS.
Change-Id: Ib4714a670d73228332115415e4393f82802c6475
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/31237
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/hatch/variants/baseboard/devicetree.cb | 6 | ||||
| -rw-r--r-- | src/mainboard/google/hatch/variants/baseboard/gpio.c | 17 |
2 files changed, 20 insertions, 3 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb index 511c2d681f..eb528f25f1 100644 --- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb @@ -214,8 +214,8 @@ chip soc/intel/cannonlake device i2c 49 on end end end # I2C #1 - device pci 15.2 off end # I2C #2 - device pci 15.3 off end # I2C #3 + device pci 15.2 on end # I2C #2 + device pci 15.3 on end # I2C #3 device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R @@ -223,7 +223,7 @@ chip soc/intel/cannonlake device pci 16.4 off end # Management Engine Interface 3 device pci 16.5 off end # Management Engine Interface 4 device pci 17.0 on end # SATA - device pci 19.0 off end # I2C #4 + device pci 19.0 on end # I2C #4 device pci 19.1 off end # I2C #5 device pci 19.2 off end # UART #2 device pci 1a.0 off end # eMMC diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c index a078997426..f8d5d7d4d7 100644 --- a/src/mainboard/google/hatch/variants/baseboard/gpio.c +++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c @@ -144,6 +144,23 @@ static const struct pad_config gpio_table[] = { /* SD_WP => NC */ PAD_NC(GPP_G7, DN_20K), + /* PCH_I2C_PEN_SDA */ + PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1), + /* PCH_I2C_PEN_SCL */ + PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1), + /* PCH_I2C_SAR0_MST_SDA */ + PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), + /* PCH_I2C_SAR0_MST_SCL */ + PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), + /* PCH_I2C_M2_AUDIO_SAR1_SDA */ + PAD_CFG_NF(GPP_H8, NONE, DEEP, NF1), + /* PCH_I2C_M2_AUDIO_SAR1_SCL */ + PAD_CFG_NF(GPP_H9, NONE, DEEP, NF1), + /* PCH_I2C_TRACKPAD_SDA */ + PAD_NC(GPP_H10, NONE), + /* PCH_I2C_TRACKPAD_SCL */ + PAD_NC(GPP_H11, NONE), + /* GPD2: LAN_WAKE# ==> EC_PCH_WAKE_OD */ PAD_CFG_NF(GPD2, NONE, DEEP, NF1), }; |