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mb/google/dedede: Change HDMI DDC GPIOs to native function 

HDMI DDC GPIOs were configured as NC till now in waddledoo.
This may cause HDMI i2c transfer to break and EDID read will
fail due to wrong configuration

Configuring these GPIOs as NF in coreboot to fix the issue.

BUG=b:160324327
BRANCH=None
TEST=HDMI works on DDI2 onn Type-C port

Change-Id: If02f062132d7c3b01b07ea9401e81f451df35c3c
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43294
Reviewed-by: Ronak Kanabar <ronak.kanabar@intel.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Maulik V Vaghela 2020-07-08 17:17:35 +05:30 committed by Patrick Georgi
parent 0358f7dada
commit 28bb308a7a
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/dedede/variants/baseboard/gpio.c
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@ -224,9 +224,9 @@ static const struct pad_config gpio_table[] = {
/* E16 : GPP_E16/DDI1_DDC_SDA */
PAD_NC(GPP_E16, NONE),
/* E17 : HDMI_DDC_SCL */
PAD_NC(GPP_E17, NONE),
PAD_CFG_NF(GPP_E17, NONE, DEEP, NF1),
/* E18 : HDMI_DDC_SDA */
PAD_NC(GPP_E18, NONE),
PAD_CFG_NF(GPP_E18, NONE, DEEP, NF1),
/* E19 : GPP_E19/IMGCLKOUT_5/PCIE_LNK_DOWN */
PAD_NC(GPP_E19, NONE),
/* E20 : CNV_BRI_DT_R */