From bed09654420e54b84abb3724f0f7a758a008678d Mon Sep 17 00:00:00 2001 From: Kevin Chiu Date: Wed, 12 Aug 2020 09:48:11 +0800 Subject: [PATCH] mb/google/zork: adjust i2c2 data hold time for TP current setting got 0.278us which is less than the min 0.3us. increase i2c2 data hold time for TP. BUG=b:163613330 BRANCH=master TEST=1. emerge-zork coreboot chromeos-bootimage 2. data hold time measured by scope: 0.3805us Change-Id: I2d564983383c17ed43cc5cc5aaff0fcd67ce6928 Signed-off-by: Kevin Chiu Reviewed-on: https://review.coreboot.org/c/coreboot/+/44405 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/mainboard/google/zork/variants/berknip/overridetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/google/zork/variants/berknip/overridetree.cb b/src/mainboard/google/zork/variants/berknip/overridetree.cb index f0f92c5a31..aa248b682f 100644 --- a/src/mainboard/google/zork/variants/berknip/overridetree.cb +++ b/src/mainboard/google/zork/variants/berknip/overridetree.cb @@ -27,6 +27,7 @@ chip soc/amd/picasso .speed = I2C_SPEED_FAST, .rise_time_ns = 3, .fall_time_ns = 2, + .data_hold_time_ns = 400, }" # Enable I2C3 for H1 400kHz