From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 CEF572EBBAD for ; Wed, 8 Oct 2025 08:20:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759911649; cv=none; b=E0eZ4hErnzSrxgJiMxirt+unFn0uy0TrbOPhIteWSAuITipJln915DQm8/hlnNNBe88GoksQPxBSe8+hbrc0TMo/HFP6lpbapZ2kNyDGWK1a+BrtOc6EGLcmXHJoS+NFVammvENDQretaUmqR23BwR+NB6yBAB4K1suNoQgR2Ls= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759911649; c=relaxed/simple; bh=tsaypD/DbPUWMTuZH0R026MpaDXXQ9sm7bRAfALfNJg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lJdgshCE5m3cZm6AzR45kJSB4yqE7HruRIVzub9si1HjeBceMh4mzTDuYdRMWwHca8C74Y/xr5VUWIYyyavSMtqIpLzdj4ziJfabcSTaF3uONXMv11KGeFs1xbCEhVospxODrXom+QLqko2v/YyeflBDARIofWLBAiMNSKsTTag= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=jAfJD4JJ; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="jAfJD4JJ" Received: from pendragon.ideasonboard.com (82-203-166-19.bb.dnainternet.fi [82.203.166.19]) by perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id ECADF191B; Wed, 8 Oct 2025 10:13:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1759911212; bh=tsaypD/DbPUWMTuZH0R026MpaDXXQ9sm7bRAfALfNJg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jAfJD4JJX4a9In7LufZltWn8J6npzIvGlDXb8HmftJmNA76CuiIxrgz/njxp20d8K GNr2kd4pjRvwTA/siGW+bAV5KVcHpZKiTYDg7SfoG/iSj3uAws7iQp1vlhdlysevgg e2WMrb9xIBgf3L3Z6hSJW0ivjPCz6Nz17WipET/Q= Date: Wed, 8 Oct 2025 11:14:59 +0300 From: Laurent Pinchart To: Cristian Ciocaltea Cc: Dmitry Baryshkov , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Alexey Charkov , Algea Cao , Andy Yan , Cenk Uluisik , Conor Dooley , Heiko Stuebner , Jimmy Hon , Kever Yang , Krzysztof Kozlowski , Maxime Ripard , Muhammed Efe Cetin , Ondrej Jirman , Rob Herring , Sandy Huang Subject: Re: [PATCH v2 1/5] dt-bindings: display: rk3588-dw-hdmi-qp: Add tmds-enable-gpios property Message-ID: <20251008081459.GF16422@pendragon.ideasonboard.com> References: <20251005235542.1017-1-laurent.pinchart@ideasonboard.com> <20251005235542.1017-2-laurent.pinchart@ideasonboard.com> <20251006162518.GJ5944@pendragon.ideasonboard.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Mon, Oct 06, 2025 at 07:42:56PM +0300, Cristian Ciocaltea wrote: > On 10/6/25 7:25 PM, Laurent Pinchart wrote: > > On Mon, Oct 06, 2025 at 02:19:24PM +0300, Dmitry Baryshkov wrote: > >> On Mon, Oct 06, 2025 at 02:55:37AM +0300, Laurent Pinchart wrote: > >>> From: Cristian Ciocaltea > >>> > >>> Add an optional property to RK3588 HDMI TX Controller binding describing > >>> a GPIO line to be asserted when operating in HDMI 1.4/2.0 TMDS mode and > >>> deasserted for HDMI 2.1 FRL. > >>> > >>> This is used to control an external level shifter for HDMI data lines. > >>> > >>> Signed-off-by: Cristian Ciocaltea > >>> Signed-off-by: Laurent Pinchart > >>> --- > >>> .../display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml | 10 ++++++++++ > >>> 1 file changed, 10 insertions(+) > >>> > >>> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > >>> index 96b4b088eebe..eec0d40c91ea 100644 > >>> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > >>> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > >>> @@ -113,6 +113,13 @@ properties: > >>> description: > >>> Additional HDMI QP related data is accessed through VO GRF regs. > >>> > >>> + tmds-enable-gpios: > >>> + description: > >>> + Optional GPIO line to be asserted when operating in HDMI 1.4/2.0 > >>> + TMDS mode and deasserted for HDMI 2.1 FRL. It can be used to control > >>> + an external level shifter for HDMI data lines. > >>> + maxItems: 1 > >> > >> Just my 2c: since TMDS is assumed to be a default mode, shouldn't this > >> be a frl-enable-gpios instead? > > > > I don't mind either way. Cristian, any opinion ? > > No strong opinion either; we could go for Dmitry's suggestion. OK, I'll flip it. > >>> + > >>> required: > >>> - compatible > >>> - reg -- Regards, Laurent Pinchart