diff options
| author | Ren Kuo <ren.kuo@quanta.corp-partner.google.com> | 2020-10-21 11:26:48 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-10-27 06:13:43 +0000 |
| commit | 12b376c87ff9367133618866659d2a5987d3e9a5 (patch) | |
| tree | 08ba4edc9f1f13277f8ce77269e397325f65a326 /src/mainboard/google | |
| parent | 8f594b7319c395bc09c711de05ff53f181c0c43d (diff) | |
mb/google/dedede/var/magolor: Configure I2C high and low time
Configure the I2C bus high and low time for all enabled I2C buses.
BUG=b:168783630
TEST=Measured the I2C bus frequency reduce to 387 KHz.
Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Change-Id: I9f5b81815f86db7bdcea95a95b9c9b235b4a34b1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46613
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/dedede/variants/magolor/overridetree.cb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb index f41e9fab6b..625546e7ff 100644 --- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb +++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb @@ -25,18 +25,42 @@ 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[1] = { .speed = I2C_SPEED_FAST, }, .i2c[2] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, .i2c[3] = { .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, + } }, }" |