From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f46.google.com (mail-oa1-f46.google.com [209.85.160.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F03F2C94A for ; Tue, 18 Apr 2023 21:41:17 +0000 (UTC) Received: by mail-oa1-f46.google.com with SMTP id 586e51a60fabf-187b07ad783so758655fac.0 for ; Tue, 18 Apr 2023 14:41:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681854077; x=1684446077; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ElC7aqM0OYKhp7zqQxQuTXx1H9IDxJGXKnxZVOIROXA=; b=TbE4xgpTXm+D4PDcg0aU6ZXEJOBlRuy04mNPJZk8/f68BWa1IkJ45HZIGAyHV4AAWJ factK+GxsADz+2fFp6hqWFPIhhQgvoqzX0QTtFN8exUHuuPABIFYqISt1o5R5lZmE3NI eElwahQ/+JF1Sn+HbQw3mFbzRPqK5YTJmnAVCgSE/JI/ykjBDqys/k3b7Jtmicb0t3MN SocEE8vGZIWoRJCywxLc1gHxs/vd/pdjIMt4CcjoAqs50oGBMnDrjsIF9wPm3o9aBK22 QnQ8JA6eWyAuMtB0sPtN/+HK3kXyxjNRmFZtZgX+Fg46Wz38eudmhOzdO0ccq+OS7Pi2 gP0A== X-Gm-Message-State: AAQBX9emJ0/ztgm1lvVeVsO13qFmGo9TwAuLW6REsWTsLEm0Zsl2tcfe 4Udmpuzl6mNtaYsEZSe+2g== X-Google-Smtp-Source: AKy350Y/zUwTPUY+bloMxG86x5GIO5/WgZZJ0w2lgVcgHZEOKfFzsX6+0hRjmFOdov3MNztPcibQZw== X-Received: by 2002:a05:6870:1702:b0:187:8f01:7107 with SMTP id h2-20020a056870170200b001878f017107mr2215193oae.44.1681854076847; Tue, 18 Apr 2023 14:41:16 -0700 (PDT) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id o19-20020a9d5c13000000b006a3f8f7b686sm6075534otk.28.2023.04.18.14.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Apr 2023 14:41:16 -0700 (PDT) Received: (nullmailer pid 2378744 invoked by uid 1000); Tue, 18 Apr 2023 21:41:15 -0000 Date: Tue, 18 Apr 2023 16:41:15 -0500 From: Rob Herring To: Jernej Skrabec Cc: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, krzysztof.kozlowski+dt@linaro.org, wens@csie.org, samuel@sholland.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, airlied@gmail.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl Subject: Re: [PATCH 1/3] dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC Message-ID: <20230418214115.GA2376963-robh@kernel.org> References: <20230415104613.61224-1-jernej.skrabec@gmail.com> <20230415104613.61224-2-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230415104613.61224-2-jernej.skrabec@gmail.com> On Sat, Apr 15, 2023 at 12:46:11PM +0200, Jernej Skrabec wrote: > Even though some DW-HDMI controllers have perfectly usable HDMI-CEC > implementation, some boards might prefer not to use it or even use > software implementation instead. > > Add property for disabling CEC so driver doesn't expose unused CEC > interface, if CEC pin isn't connected anywhere. Isn't this all true for any bridge supporting CEC? Make this common. > > Signed-off-by: Jernej Skrabec > --- > .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > index 4b7e54a8f037..624d32c024f6 100644 > --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > @@ -48,6 +48,11 @@ properties: > interrupts: > maxItems: 1 > > + snps,disable-cec: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Disable HDMI-CEC. > + > additionalProperties: true > > ... > -- > 2.40.0 >