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| author | Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com> | 2026-09-09 16:55:53 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2026-10-21 13:15:16 -0500 |
| commit | 32184f8b8dc14100bd605e157ab70a5a278d7c1e (patch) | |
| tree | a0b20a7860a61d1f26704d30ec80ea56ec245399 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 03ba5646f0f4c26998eb0bbfc9324e003afffb3e (diff) | |
dt-bindings: PCI: toshiba,tc9563: Document embedded GPIO controller
The TC9563 PCIe switch embeds a GPIO controller providing 37 GPIO lines,
accessed through the switch's I2C interface.
The controller is integrated in the switch rather than being a separate
device, so expose it by adding the gpio-controller and #gpio-cells
properties to the switch node itself, and extend the example to show the
downstream ports' reset-gpios being driven from those lines.
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260909-pci-tc9563-aux-v5-1-c9b33f56c8d3@oss.qualcomm.com
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
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