diff options
| author | FrankChu <frank_chu@pegatron.corp-partner.google.com> | 2021-02-02 15:43:52 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-06 09:08:28 +0000 |
| commit | 26b0bad671dd4b0248a7f5e041cfe831d1506e85 (patch) | |
| tree | 69384be138cf04e286ae27216677ae2d9748a5b0 /src/mainboard | |
| parent | b70ff52b83d5ffe9feca95d086a5366dd6f6ce4d (diff) | |
mb/google/dedede/var/galtic: Configure I2C high and low time
Configure the I2C bus high and low time for all enabled I2C buses.
BUG=b:179100924
TEST=Measured the I2C bus frequency as 384 KHz, high time as 924 ns and
low time as 1680 ns.
Signed-off-by: FrankChu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: I1525ecbf5baf9ae169afd7ce59079f395a2a45a8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50211
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/dedede/variants/galtic/overridetree.cb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/galtic/overridetree.cb b/src/mainboard/google/dedede/variants/galtic/overridetree.cb index e981541122..9ed1dd0472 100644 --- a/src/mainboard/google/dedede/variants/galtic/overridetree.cb +++ b/src/mainboard/google/dedede/variants/galtic/overridetree.cb @@ -19,12 +19,30 @@ chip soc/intel/jasperlake }, .i2c[0] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, .i2c[2] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, .i2c[4] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, }" |