diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2022-12-01 15:06:23 +0600 |
|---|---|---|
| committer | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2022-12-22 00:50:33 +0000 |
| commit | ed0e2bd5ee5030e5af6cfb52b752dd3465235dfd (patch) | |
| tree | 29dc2f7ad16a9072813e64dbe2e4b2e1c9506bf6 /src/mainboard/google/brya | |
| parent | a86af49b9de653f5e32f160bd2abdb3e745235dd (diff) | |
mb/google/nissa/var/yaviks: Extend sd_hold for touchpad/touchscreen
Extend sd_hold to meet touchpad/touchscreen SPEC.
touchscreen:
tHD > 0.2 us
touchpad:
0.3 us < tHD < 0.9 us
After applied the change, the tHD meets reqirement.
touchscreen:
0.056 us -> 0.28 us
touchpad:
0.056 us -> 0.384 us
BUG=b:263340540
TEST=build and measure the timing meet SPEC
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Change-Id: I172d2ec8a4b16d8005106f55a37795cc72d69e98
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70195
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src/mainboard/google/brya')
| -rw-r--r-- | src/mainboard/google/brya/variants/yaviks/overridetree.cb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/yaviks/overridetree.cb b/src/mainboard/google/brya/variants/yaviks/overridetree.cb index 61c9188d91..d84fccda8d 100644 --- a/src/mainboard/google/brya/variants/yaviks/overridetree.cb +++ b/src/mainboard/google/brya/variants/yaviks/overridetree.cb @@ -64,7 +64,7 @@ chip soc/intel/alderlake .speed = I2C_SPEED_FAST, .scl_lcnt = 158, .scl_hcnt = 79, - .sda_hold = 7, + .sda_hold = 30, } }, .i2c[3] = { @@ -82,7 +82,7 @@ chip soc/intel/alderlake .speed = I2C_SPEED_FAST, .scl_lcnt = 158, .scl_hcnt = 79, - .sda_hold = 7, + .sda_hold = 40, } }, }" |