mb/google/dedede/var/dibbi: Configure I2C times for audio
Configure the I2C bus high and low time for audio.
BUG=b:271804915
BRANCH=dedede
TEST=Build and confirm I2C clock for audio is between 380 kHz and 400
kHz
Change-Id: I2987a39abc5527844424edfa1cf70d5c5cea5357
Signed-off-by: Amanda Huang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
diff --git a/src/mainboard/google/dedede/variants/dibbi/overridetree.cb b/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
index 8e7a993..e3df1f2 100644
--- a/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/dibbi/overridetree.cb
@@ -16,7 +16,12 @@
.early_init = 1,
},
.i2c[4] = {
- .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 190,
+ .scl_hcnt = 100,
+ .sda_hold = 40,
+ }
},
}"