[PATCH v2 1/3] dt-bindings: net: dsa: nxp,sja1105: Add reset-gpios property
flat view
STALE390d
SUPERSEDED
From: Jonas Rebmann <hidden>
Date: 2025-09-18 12:19:58
Also in:
imx, linux-devicetree, linux-sound, lkml, netdev
Subsystem:
networking drivers, networking [dsa], open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Revision v2 of 4 in this series.
Revisions (4)
- v1 [diff vs current]
- v2 current
- v3 [diff vs current]
- v4 [diff vs current]
Both the nxp,sja1105 and the nxp,sja1110 series feature an active-low reset pin, rendering reset-gpios a valid property for all of the nxp,sja1105 family. Signed-off-by: Jonas Rebmann <redacted> --- Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
index 9432565f4f5d..e9dd914b0734 100644
--- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml@@ -32,6 +32,15 @@ properties: reg: maxItems: 1 + reset-gpios: + description: + A GPIO connected to the active-low RST_N pin of the SJA1105. Note that + reset of this chip is performed via SPI and the RST_N pin must be wired + to satisfy the power-up sequence documented in "SJA1105PQRS Application + Hints" (AH1704) sec. 2.4.4. Connecting the SJA1105 RST_N pin to a GPIO is + therefore discouraged. + maxItems: 1 + spi-cpha: true spi-cpol: true
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2.51.0.178.g2462961280