[DRAFT] opentitan: add i2c-target driver #3704
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Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
As per [1], make sure the clock-period-nanos is calculated correctly. The previous calculation should truncate to 0. Which would leave to division by 0 in the timing calculations. [1] https://github.com/lowRISC/opentitan/blob/7b89440c36a45493e0a7c2e3f3dec71c801e5b9d/sw/device/lib/testing/i2c_testutils.c#L312 Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
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Interesting! I think we have some overlap with work @jrvanwhy is doing. Does the OT meeting time still work for you and @alistair23? Should we revisit that timing? I think coordination on this would be useful. |
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At the moment, I am working on test infrastructure in OpenTitan that will enable us to test things like this automatically, I haven't begun work on the I2C driver itself. I don't think we need additional coordination at this time. |
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Pull Request Overview
Extends the existing I2C host driver to add support for I2C target. This is WIP, need HW testing and verification.
Testing Strategy
N/A still todo.
TODO or Help Wanted
Testing on HW.
Documentation Updated
/docs, or no updates are required.Formatting
make prepush.