Re: [PATCH v3 1/2] dt-bindings: net: dsa: lantiq,gswip: add MaxLinear R(G)MII slew rate
From: "Sverdlin, Alexander" <alexander.sverdlin@siemens.com>
Date: 2026-01-05 18:00:55
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Please disregard the two patches without net-next tag, they were meant for net-next, I've just re-sent them properly. On Mon, 2026-01-05 at 18:53 +0100, A. Sverdlin wrote:
quoted hunk ↗ jump to hunk
From: Alexander Sverdlin <alexander.sverdlin@siemens.com> Add new slew-rate uint32 property. This property is only applicable for ports in R(G)MII mode and allows for slew rate reduction in comparison to "normal" default configuration with the purpose to reduce radiated emissions. Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com> --- Changelog: v3: - use [pinctrl] standard "slew-rate" property as suggested by Rob https://lore.kernel.org/all/20251219204324.GA3881969-robh@kernel.org/ (local) v2: - unchanged .../devicetree/bindings/net/dsa/lantiq,gswip.yaml | 7 +++++++ 1 file changed, 7 insertions(+)diff --git a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml index 205b683849a53..277b121b159d5 100644 --- a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml +++ b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml@@ -111,6 +111,13 @@ patternProperties: description: Configure the RMII reference clock to be a clock output rather than an input. Only applicable for RMII mode. + slew-rate: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + description: | + Configure R(G)MII TXD/TXC pads' slew rate: + 0: "normal" + 1: "slow" tx-internal-delay-ps: enum: [0, 500, 1000, 1500, 2000, 2500, 3000, 3500] description:
-- Alexander Sverdlin Siemens AG www.siemens.com