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ltiming and clock_div are not support for MT8173, so we separate them
to weak function: mtk_i2c_dump_more_info()
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I3228c6953be5fac18a76029702b878a34c7563f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58074
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The i2c actiming with the default reg setting cannot meet spec,
so we need to set some regs.
1. adjust the ratio of SCL high and low level, to adjust "tLOW".
2. modify ext_conf reg to adjust "tSU,STO".
BUG=b:179000159
TEST=Test on asurada (MT8192), boot pass,
timing pass.
Signed-off-by: Daolong Zhu <jg_daolongzhu@mediatek.corp-partner.google.com>
Change-Id: Ifbe97edbc38972af5b782fb93342ee0616127dd8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51024
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add I2C controller for MT8192, and revise the common I2C driver
to support I2C controller running in APDMA async mode. In that
case we have to initiate a different handshake protocol and reset
I2C differently.
BUG=b:155715435
TEST=Asurada boots up to shell
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Change-Id: I13835e00eb674a93aa5496a9870d1e601e263368
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47800
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
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