From ed0e2bd5ee5030e5af6cfb52b752dd3465235dfd Mon Sep 17 00:00:00 2001 From: Wisley Chen Date: Thu, 1 Dec 2022 15:06:23 +0600 Subject: 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 Change-Id: I172d2ec8a4b16d8005106f55a37795cc72d69e98 Reviewed-on: https://review.coreboot.org/c/coreboot/+/70195 Tested-by: build bot (Jenkins) Reviewed-by: Kangheui Won Reviewed-by: Eric Lai --- src/mainboard/google/brya/variants/yaviks/overridetree.cb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/mainboard/google/brya/variants/yaviks') 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, } }, }" -- cgit v1.2.3