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| author | Tejas Bhumkar <tejas.arvind.bhumkar@amd.com> | 2024-01-08 16:39:22 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2024-01-22 14:10:10 +0100 |
| commit | ea470fe330d5ebcfe490dfb73c2ee39b10520828 (patch) | |
| tree | 7b852de325262892e23534217a3f1b1788226997 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 24e85ff034a38cd27939272a2318d3db9fa92161 (diff) | |
arm64: zynqmp: Disable Tri-state for MIO38 Pin
gpio38 is used in SOM's kv260 to reset the Ethernet PHY.
At present, HW reset is not working properly as Tri-state
is enabled for MIO38, causing inappropriate PHY register reads.
Disabled Tri-state for MIO38 to make HW reset work.
Tri-state disable :
ZynqMP> md 0xFF180208 2
ff180208: 00bfe7a3 00000540
Tri-state enable :
ZynqMP> md 0xFF180208 2
ff180208: 00bfe7e3 00000540
Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com>
Link: https://lore.kernel.org/r/9f8a0687be407a8ffad610087074e94ebc4f5982.1704728353.git.michal.simek@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions