From: Conor Dooley <conor@kernel.org>
To: Josua Mayer <josua@solid-run.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>, Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Yazan Shhady <yazan.shhady@solid-run.com>,
Mikhail Anikin <mikhail.anikin@solid-run.com>,
Alexander Dahl <ada@thorsis.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Conor Dooley <conor.dooley@microchip.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
netdev@vger.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: net: dsa: nxp,sja1105: make spi-cpol optional for sja1110
Date: Thu, 9 Apr 2026 16:36:04 +0100 [thread overview]
Message-ID: <20260409-afar-striving-d89022c8a2bc@spud> (raw)
In-Reply-To: <20260409-imx8dxl-sr-som-v2-1-83ff20629ba0@solid-run.com>
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On Thu, Apr 09, 2026 at 02:34:33PM +0200, Josua Mayer wrote:
> 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 <josua@solid-run.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
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next prev parent reply other threads:[~2026-04-09 15:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-09 12:34 [PATCH v2 0/3] arm64: dts: imx8dxl: Add SolidRun SoM and HummingBoard Josua Mayer
2026-04-09 12:34 ` [PATCH v2 1/3] dt-bindings: net: dsa: nxp,sja1105: make spi-cpol optional for sja1110 Josua Mayer
2026-04-09 15:36 ` Conor Dooley [this message]
2026-04-09 12:34 ` [PATCH v2 2/3] dt-bindings: arm: fsl: Add SolidRun i.MX8DXL SoM and HummingBoard Josua Mayer
2026-04-09 12:34 ` [PATCH v2 3/3] arm64: dts: imx8dxl: Add SolidRun " Josua Mayer
2026-04-09 12:46 ` Andrew Lunn
2026-04-30 11:17 ` Josua Mayer
2026-04-30 11:19 ` Vladimir Oltean
2026-04-30 11:48 ` Josua Mayer
2026-04-30 12:03 ` Vladimir Oltean
2026-04-30 12:14 ` Josua Mayer
2026-04-30 14:06 ` Andrew Lunn
2026-04-12 21:00 ` [PATCH v2 0/3] " patchwork-bot+netdevbpf
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