diff options
| author | Ofir Bitton | 2021-10-12 20:52:46 +0300 |
|---|---|---|
| committer | Oded Gabbay | 2021-12-26 08:59:05 +0200 |
| commit | 3eb7754ff43827294bebcb2760969e9dc2283027 (patch) | |
| tree | ed489d8f45ae5eaefd55018ebccb585bcaf67a5a /Documentation/ABI | |
| parent | e617f5f4c144c3f185da67292dff09dc6cbb3296 (diff) | |
habanalabs: debugfs support for larger I2C transactions
I2C debugfs support is limited to 1 byte. We extend functionality
to more than 1 byte by using one of the pad fields as a length.
No backward compatibility issues as new F/W versions will treat 0
length as a 1 byte length transaction.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-driver-habanalabs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-driver-habanalabs b/Documentation/ABI/testing/debugfs-driver-habanalabs index 63c46d9d538f..6085ee506135 100644 --- a/Documentation/ABI/testing/debugfs-driver-habanalabs +++ b/Documentation/ABI/testing/debugfs-driver-habanalabs @@ -155,6 +155,13 @@ Description: Triggers an I2C transaction that is generated by the device's CPU. Writing to this file generates a write transaction while reading from the file generates a read transaction +What: /sys/kernel/debug/habanalabs/hl<n>/i2c_len +Date: Dec 2021 +KernelVersion: 5.17 +Contact: obitton@habana.ai +Description: Sets I2C length in bytes for I2C transaction that is generated by + the device's CPU + What: /sys/kernel/debug/habanalabs/hl<n>/i2c_reg Date: Jan 2019 KernelVersion: 5.1 |