From: Josua Mayer Date: Thu, 9 Apr 2026 12:34:33 +0000 (+0200) Subject: dt-bindings: net: dsa: nxp,sja1105: make spi-cpol optional for sja1110 X-Git-Tag: v7.1-rc1~173^2~23 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=600f01dc4bd0c736b3ffea9f7976136d8bf1b136;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: net: dsa: nxp,sja1105: make spi-cpol optional for sja1110 Currently, the binding requires 'spi-cpha' for SJA1105 and 'spi-cpol' for SJA1110. However, the SJA1110 supports both SPI modes 0 and 2. Mode 2 (cpha=0, cpol=1) is used by the NXP LX2160 Bluebox 3. On the SolidRun i.MX8DXL HummingBoard Telematics, mode 0 is stable, while forcing mode 2 introduces CRC errors especially during bursts. Drop the requirement on spi-cpol for SJA1110. Fixes: af2eab1a8243 ("dt-bindings: net: nxp,sja1105: document spi-cpol/cpha") Signed-off-by: Josua Mayer Acked-by: Conor Dooley Link: https://patch.msgid.link/20260409-imx8dxl-sr-som-v2-1-83ff20629ba0@solid-run.com Signed-off-by: Jakub Kicinski --- diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml index 607b7fe8d28ee..0486489114cd8 100644 --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml @@ -143,8 +143,6 @@ allOf: else: properties: spi-cpha: false - required: - - spi-cpol unevaluatedProperties: false