mb/google/dedede/var/bugzzy: Adjust I2C speed
This change adjusts all I2C speed to lower then 400KHz. The rise_time_ns and fall_time_ns values for each port are capured by a scope. BUG=None BRANCH=dedede TEST=built and verified adjusted I2C speed < 400KHz Signed-off-by: Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com> Change-Id: I9504608dd8d9a5f5a3848ef34691557942c21023 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58965 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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@ -63,12 +63,18 @@ chip soc/intel/jasperlake
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.i2c[1] = {
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.speed = I2C_SPEED_FAST,
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.rise_time_ns = 133,
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.fall_time_ns = 29,
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},
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.i2c[2] = {
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.speed = I2C_SPEED_FAST,
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.rise_time_ns = 227,
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.fall_time_ns = 9,
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},
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.i2c[3] = {
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.speed = I2C_SPEED_FAST,
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.rise_time_ns = 91,
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.fall_time_ns = 2,
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},
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.i2c[4] = {
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.speed = I2C_SPEED_FAST,
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