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authorKane Chen <kane_chen@pegatron.corp-partner.google.com>2021-03-09 11:14:35 +0800
committerMartin Roth <martinroth@google.com>2021-03-10 23:10:30 +0000
commitd3a767f47ef4de8a995d60df196ba4a3a399847c (patch)
tree36cd0c91e20755b678ffb745c235aa0f9fa6f62a /src/mainboard
parentad68e696126025d66e8e5b7f1e3c7b8e5832c639 (diff)
mb/google/zork/var/shuboz: adjust I2C2 data hold time for TP
Add ".data_hold_time_ns" to follow I2C specification. The adjusted result aobut 0.315us(more than 0.3us) BUG=b:181091107 BRANCH=zork TEST=emerge-zork coreboot chromeos-bootimage Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com> Change-Id: Id92fadcb54b9722709e32ced1f0be001b8c97975 Reviewed-on: https://review.coreboot.org/c/coreboot/+/51361 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/zork/variants/shuboz/overridetree.cb1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/shuboz/overridetree.cb b/src/mainboard/google/zork/variants/shuboz/overridetree.cb
index 16c18b5117..bfdb7350cd 100644
--- a/src/mainboard/google/zork/variants/shuboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/shuboz/overridetree.cb
@@ -29,6 +29,7 @@ chip soc/amd/picasso
.speed = I2C_SPEED_FAST,
.rise_time_ns = 18, /* 0 to 2.31 (3.3 * .7) */
.fall_time_ns = 57, /* 2.31 to 0 */
+ .data_hold_time_ns = 335,
}"
# I2C3 for H1