diff options
| author | Roger Wang <roger2.wang@lcfc.corp-partner.google.com> | 2024-06-14 15:28:32 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-06-20 13:06:53 +0000 |
| commit | 71c90104438e453af6afa396e78e75e4f874a9e0 (patch) | |
| tree | acda09e67892531c466bcaff1d1467296e18cf29 /src/mainboard/google | |
| parent | daea4e7934d5fe67bed1f7544e3ce6263091a209 (diff) | |
mb/google/nissa/var/sundance: Increase I2C1 hold time to 126ns
According to the vendor spec, I2C1 hold time needs > 100ns.
System needs to adjust the I2C1 sda_hold value from 7 to 13,
the system will change the I2C1 hold time from 70ns to 126ns.
BUG=b:347157276
TEST=built bootleg and verified test result by EE team
Change-Id: I722ec93177b6debf6b4c99de2df68c942560a3ff
Signed-off-by: Roger Wang <roger2.wang@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83080
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/brya/variants/sundance/overridetree.cb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/sundance/overridetree.cb b/src/mainboard/google/brya/variants/sundance/overridetree.cb index 72cb317cb0..03450d40c2 100644 --- a/src/mainboard/google/brya/variants/sundance/overridetree.cb +++ b/src/mainboard/google/brya/variants/sundance/overridetree.cb @@ -128,7 +128,7 @@ chip soc/intel/alderlake .speed = I2C_SPEED_FAST, .scl_lcnt = 157, .scl_hcnt = 79, - .sda_hold = 7, + .sda_hold = 13, } }, .i2c[3] = { |