From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f46.google.com (mail-oo1-f46.google.com [209.85.161.46]) (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 3F7B84C64 for ; Tue, 21 Feb 2023 15:41:27 +0000 (UTC) Received: by mail-oo1-f46.google.com with SMTP id c184-20020a4a4fc1000000b005250b2dc0easo81533oob.2 for ; Tue, 21 Feb 2023 07:41:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=yAmFGspOZMSPZfnaoWYmVR2MjZajqXp66cfwHSIQL14=; b=o9YaTVUaMYFtxQmFC0rO6TSpwAYkNuZAGLvesS2K98Pdv0SaLJF+m92NFIqsygm5HI xRTMQa6qHHiLg/aCY6xqkFZp4WWFjzM/aw/LvcKMFE+xB65zFTNfJyWM9Lr9JkeeRW4F BYBsC+cd6Aa9bIZHbJNxwWtL1FMKzegiCByc+Y2n4S628ITAitLIileb1J8MvpQcNqO5 Bm7RjKqOzEs68QSseQCht8AL4oFQjCancv+I4jIUBZatoURZuBlQowRu4qal9re+wLlS Hd2FZd2Gv9pPTnDSIKph0WR8BJrVqVTtmGpyy1i4KW1CMLB/BpTciQQ67PALCvj6TjRR 4Zjg== X-Gm-Message-State: AO0yUKXOBueSUQuptIA3Fj9XOQ8ea0+MZWycczDL1gad3iwkzo+790hg chhCDWsGimLn1cmMLxkjFQ== X-Google-Smtp-Source: AK7set85VAFntiNHIDjGtfCC2oOT1/ixiwDzGmV6KZlRV3vcVPs11dYw0ZIvaGYFHStwN8BXxG0AZg== X-Received: by 2002:a4a:b6c3:0:b0:51f:e966:e3b7 with SMTP id w3-20020a4ab6c3000000b0051fe966e3b7mr1792287ooo.3.1676994086229; Tue, 21 Feb 2023 07:41:26 -0800 (PST) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id bf7-20020a056820174700b0051ff746e2b2sm293867oob.8.2023.02.21.07.41.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Feb 2023 07:41:25 -0800 (PST) Received: (nullmailer pid 2586813 invoked by uid 1000); Tue, 21 Feb 2023 15:41:24 -0000 Date: Tue, 21 Feb 2023 09:41:24 -0600 From: Rob Herring To: Pin-yen Lin Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Krzysztof Kozlowski , Benson Leung , Chun-Kuang Hu , devicetree@vger.kernel.org, Nicolas Boichat , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, Guenter Roeck , Matthias Brugger , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Philipp Zabel , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 1/5] dt-bindings: display: bridge: Add ddc-i2c-bus for anx7688 Message-ID: <20230221154124.GA2584323-robh@kernel.org> References: <20230218111712.2380225-1-treapking@chromium.org> <20230218111712.2380225-2-treapking@chromium.org> Precedence: bulk X-Mailing-List: chrome-platform@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: <20230218111712.2380225-2-treapking@chromium.org> On Sat, Feb 18, 2023 at 07:17:08PM +0800, Pin-yen Lin wrote: > Introduce a optional "ddc-i2c-bus" property for anx7688 bridge. This > allows the bridge to register a .get_edid callback. What's .get_edid? This is a binding and is independent of Linux. > > Signed-off-by: Pin-yen Lin > --- > > Changes in v3: > - New in v3 > > .../bindings/display/bridge/google,cros-ec-anx7688.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > index a44d025d33bd..9d5ce8172e88 100644 > --- a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml > @@ -25,6 +25,10 @@ properties: > maxItems: 1 > description: I2C address of the device. > > + ddc-i2c-bus: > + description: phandle link to the I2C controller used for DDC EDID probing > + $ref: /schemas/types.yaml#/definitions/phandle > + No, this belongs in the connector node. The DDC signals are routed to the connector, not the bridge chip. Rob