From: Shawn Guo <shawnguo2@yeah.net>
To: Frieder Schrempf <frieder@fris.de>
Cc: linux-arm-kernel@lists.infradead.org,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
Frieder Schrempf <frieder.schrempf@kontron.de>,
imx@lists.linux.dev, Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
Annette Kobou <annette.kobou@kontron.de>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Pengutronix Kernel Team <kernel@pengutronix.de>
Subject: Re: [PATCH] ARM: dts: imx6ul-kontron-bl-common: Fix RTS polarity for RS485 interface
Date: Fri, 11 Jul 2025 16:05:45 +0800 [thread overview]
Message-ID: <aHDF2VPGraI5ceXZ@dragon> (raw)
In-Reply-To: <20250708122442.53829-1-frieder@fris.de>
On Tue, Jul 08, 2025 at 02:24:41PM +0200, Frieder Schrempf wrote:
> From: Annette Kobou <annette.kobou@kontron.de>
>
> The polarity of the DE signal of the transceiver is active-high for
> sending. Therefore rs485-rts-active-low is wrong and needs to be
> removed to make RS485 transmissions work.
>
> Signed-off-by: Annette Kobou <annette.kobou@kontron.de>
> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
> Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards")
Applied, thanks!
prev parent reply other threads:[~2025-07-11 8:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 12:24 [PATCH] ARM: dts: imx6ul-kontron-bl-common: Fix RTS polarity for RS485 interface Frieder Schrempf
2025-07-11 8:05 ` Shawn Guo [this message]
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