From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C5E8C47DDF for ; Tue, 30 Jan 2024 22:57:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=z6xTij/gt5WIB+coGdXZgMBuvJqU3/lfB3HyZVsFOog=; b=tPKj/D8L0046Xg uyo5KmGhMkIMYm83uiGNH+6eTyRf5CLuXWxT80MbedPQipcOF20SDVatkQQ6frljxq+MymMroBwjR bRTv0mTV1LYHTnvdScm13sI82HUGF4p3mF2AbUpL0IOHaCk49RFnJbRKxnY0+CnB4MguuYxTFqwHO Zvdkjb4NwL01rUJmvDS+opOloChHI+oru1MeODbQYmpIbNED26/jFrX9sI1YWHKKn/+h/2B+IB9Xr vr4ZjWEynhD34DB38uPu05h7HIuBkeVg9iAM7aDf3YYdbuT/basOV/0ly0gnQ4ik5hD8WWG04fWtj GFz7ThenCEsYIjOyel2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUx2M-00000000p9r-1RcN; Tue, 30 Jan 2024 22:57:02 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUx2I-00000000p9O-2xqE; Tue, 30 Jan 2024 22:56:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D2B5F60F8A; Tue, 30 Jan 2024 22:56:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3DF22C433F1; Tue, 30 Jan 2024 22:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706655416; bh=VdU6if5rHUMAoE64rsagsgfaJZ9LSIB1pT2VMNKYYv0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=N8aIbmYbXSXUzz5OyjXF3V2Y2TT9ChHKCPaL9WHvH4FEVUrx1FjfoWpyxup97VDjc WaL2DH0GbT8Iiq3NcJSXI6GQ80Ki26ot7TM3fZqiJjpPyO05xT0MEHuwbGjQcVQ5BS V8Wr4Zv9j2lssXNz4uF5INuWm9Z+g4junrxh9erfKwa/enwapQz+lgrrDA6f7wzj0Z GlFUVmW4iF5UhST7Psd0Y1ct0PlPXqnSjNVzrxMcUROEWwkonZ41uDzs3TE6ZYa437 JDcIYoAkMLGHtdRodVmeMsMlBsvSDDN2iNIybKUMpPqtonI5yGl8mqp/RK39FPs7ry t2V7H1fYOMOpQ== Date: Tue, 30 Jan 2024 16:56:54 -0600 From: Rob Herring To: Farouk Bouabid Cc: Conor Dooley , Rob Herring , linux-serial@vger.kernel.org, Heiko Stuebner , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Greg Kroah-Hartman , Jiri Slaby , Heiko Stuebner , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, quentin.schulz@theobroma-systems.com, Krzysztof Kozlowski Subject: Re: [PATCH v5 1/6] dt-bindings: serial: Add binding for rs485 receiver enable GPIO Message-ID: <170665541359.2569633.3534356334365614400.robh@kernel.org> References: <20240126-dev-rx-enable-v5-0-5d934eda05ca@theobroma-systems.com> <20240126-dev-rx-enable-v5-1-5d934eda05ca@theobroma-systems.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240126-dev-rx-enable-v5-1-5d934eda05ca@theobroma-systems.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240130_145658_803673_1D97430F X-CRM114-Status: GOOD ( 12.40 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Fri, 26 Jan 2024 18:27:42 +0100, Farouk Bouabid wrote: > From: Heiko Stuebner > > RS485 has two signals to control transmissions "driver enable" (DE) and > "receiver enable" (RE). DE is already handled via the uarts RTS signal > while the RE signal on most implementations doesn't get handled > separately at all. > > As there still will be cases where this is needed though add a gpio > property for declaring this signal pin. > > Signed-off-by: Heiko Stuebner > Signed-off-by: Farouk Bouabid > --- > Documentation/devicetree/bindings/serial/rs485.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > Reviewed-by: Rob Herring _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip