mb/google/kahlee: Fix I2C bus 1 timing for Grunt
I measured the rise and fall times for I2C bus 1 from userspace manually, using "i2cdetect 1" called from userspace and an oscilloscope. This commit fixes the values there to reflect reality. BUG=b:72442912,b:70232394 Change-Id: I4f593cb2674006060cad9a77753c23f7d9828c9b Signed-off-by: Justin TerAvest <teravest@chromium.org> Reviewed-on: https://review.coreboot.org/23459 Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Chris Ching <chingcodes@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -28,11 +28,11 @@ chip soc/amd/stoneyridge
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.fall_time_ns = 52,
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}"
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# TODO(teravest): Fix speeds here.
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# Enable I2C1 for H1 at 400kHz
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register "i2c[1]" = "{
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.speed = I2C_SPEED_FAST,
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.rise_time_ns = 104,
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.fall_time_ns = 52,
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.rise_time_ns = 84,
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.fall_time_ns = 4,
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}"
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# TODO(teravest): Fix speeds here.
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