From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F949265623; Thu, 9 Oct 2025 20:26:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760041578; cv=none; b=VDR5BfNrLN/Ch0FywkB+aSlBscFwoWnK1mAdKaV3ZeXY3KiEf7J1KfBC5Ld6PFQfKJfYgi/4T/AKcBIH1SsMsQWBvYnWTKEEJ8v313BM1kVuBF1xirHHhDm1MS0y6n0wdlJppH7T320Xc5biaGlz87I6h9ihog/S9vI3M7t1lGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760041578; c=relaxed/simple; bh=gaPC9IOcFFDMH77ioeI300u2Daq6lSY6TRXYvKtrd84=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uQZvg89f3hmPLl5F39beNy0/0EVgYlyfs7rCbbJTS9lZlBXXGgK57c3qmuQqIl7kWvnPNElr9SG2zWV7Mh8XCNuUCd+AL8h2zqIXvb4zSFBACPvSTkjygXVZComq6anK2AjoclspnCQfX+zK1qGtaI/8Aa1MkZx20B9w69SZwzs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CgahMkn0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CgahMkn0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA45BC4CEE7; Thu, 9 Oct 2025 20:26:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760041578; bh=gaPC9IOcFFDMH77ioeI300u2Daq6lSY6TRXYvKtrd84=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CgahMkn0CslWjZDiZXIskbKvsNyM1l6xHBFflwmqM3OfgmSJOw6GXSdOpvYlMCnPh h3pyPpSyTzTPDjxPRAic24st2/pAYGoMrGjX1jK/laPCkHaDOc8H/iXpNZ9TsLy/2+ o4KM56mp/Jm8VvzNkrXZZlwHFHDoWybk8dZfcKnSQHzCjmRsa8edB6Riap6wXnVh01 psOns8dnHu/cEoyGQvSZNk+kCFMmPOoGF2I2vgUdBtr4+8ivqJFOYRQfBWnI360kde mxgqa81r/gkLiVgcOB/kZbXCCLdvAjzHVcWPM5CMqRbic4Xq89Ku/3DjVzbjM77HOo HqewFHDGZH62A== Date: Thu, 9 Oct 2025 15:26:16 -0500 From: "Rob Herring (Arm)" To: Neil Armstrong Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Bjorn Andersson , Conor Dooley , Xilin Wu , linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Konrad Dybcio , linux-phy@lists.infradead.org, Vinod Koul , Kishon Vijay Abraham I Subject: Re: [PATCH v5 1/3] dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document lanes mapping when not using in USB-C complex Message-ID: <176004157616.3295945.3989144090466748168.robh@kernel.org> References: <20251006-topic-x1e80100-hdmi-v5-0-c006311d59d7@linaro.org> <20251006-topic-x1e80100-hdmi-v5-1-c006311d59d7@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251006-topic-x1e80100-hdmi-v5-1-c006311d59d7@linaro.org> On Mon, 06 Oct 2025 15:55:03 +0200, Neil Armstrong wrote: > The QMP USB3/DP Combo PHY hosts an USB3 phy and a DP PHY on top > of a combo glue to route either lanes to the 4 shared physical lanes. > > The routing of the lanes can be: > - 2 DP + 2 USB3 > - 4 DP > - 2 USB3 > > The layout of the lanes was designed to be mapped and swapped > related to the USB-C Power Delivery negociation, so it supports > a finite set of mappings inherited by the USB-C Altmode layouts. > > Nevertheless those QMP Comby PHY can be used to drive a DisplayPort > connector, DP->HDMI bridge, USB3 A Connector, etc... without > an USB-C connector and no PD events. > > Document the data-lanes on numbered port@0 out endpoints, > allowing us to document the lanes mapping to DisplayPort > and/or USB3 connectors/peripherals. > > Signed-off-by: Neil Armstrong > --- > .../phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml | 69 +++++++++++++++++++++- > 1 file changed, 68 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring (Arm)