mb/google/dedede/var/corori: Configure I2C times for Touchpad
Configure I2C high / low time in the device tree to ensure Touchpad I2C CLK runs accurately between 380 kHz and 400 kHz. Measured I2C frequency just as below after tuning: Touch Pad CLK: 389.2 KHz BUG=b:202787528 TEST=Build and check after tuning I2C clock is between 380 kHz and 400 kHz Change-Id: I0f9d062fc611de0062a39849aee1174268391682 Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/58238 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Henry Sun <henrysun@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
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@ -39,6 +39,8 @@ chip soc/intel/jasperlake
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register "common_soc_config" = "{
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.i2c[0] = {
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.speed = I2C_SPEED_FAST,
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.rise_time_ns = 255,
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.fall_time_ns = 14,
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},
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.i2c[4] = {
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.speed = I2C_SPEED_FAST,
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