[S] Change in coreboot[master]: mb/google/brya/var/anahera: Adjust I2C5 timing for touchpad

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/70171 )

Change subject: mb/google/brya/var/anahera: Adjust I2C5 timing for touchpad
......................................................................

mb/google/brya/var/anahera: Adjust I2C5 timing for touchpad

Adjust scl_lcnt, scl_hcnt, sda_hold value for I2C5 to meet
touchpad SPEC.

BUG=b:260540852
BRANCH=firmware-brya-14505.B
TEST=build, checked TP function work normally,
and measure the timing meet SPEC
tLOW  ~1.72 us
tHIGH ~0.63 us
tHD   ~0.69 us
fscl  383 kHz

Change-Id: I9036a604a90558911c4f8a492db9f1f0f28bf404
Signed-off-by: Wisley Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70171
Tested-by: build bot (Jenkins) 
Reviewed-by: Eric Lai 
Reviewed-by: YH Lin 
Reviewed-by: Nick Vaccaro 
---
M src/mainboard/google/brya/variants/anahera/overridetree.cb
1 file changed, 33 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  YH Lin: Looks good to me, approved
  Nick Vaccaro: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/anahera/overridetree.cb b/src/mainboard/google/brya/variants/anahera/overridetree.cb
index df7f632..1773e0e 100644
--- a/src/mainboard/google/brya/variants/anahera/overridetree.cb
+++ b/src/mainboard/google/brya/variants/anahera/overridetree.cb
@@ -66,7 +66,12 @@
    		.speed = I2C_SPEED_FAST,
    		.rise_time_ns = 650,
    		.fall_time_ns = 400,
-			.data_hold_time_ns = 50,
+			.speed_config[0] = {
+				.speed = I2C_SPEED_FAST,
+				.scl_lcnt = 170,
+				.scl_hcnt = 70,
+				.sda_hold = 40,
+			}
    	},
    }"
    register "tcc_offset" = "3"  # TCC of 97C