[PATCH v3 1/3] dt-bindings: net: dsa: nxp,sja1105: Add reset-gpios property
From: Jonas Rebmann <hidden>
Date: 2025-09-24 08:34:51
Also in:
imx, linux-arm-kernel, linux-devicetree, linux-sound, lkml
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, Vladimir Oltean, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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. Acked-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> 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
--
2.51.0.297.gca2559c1d6