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([2a01:e0a:982:cbb0:1f17:3ea3:4e46:dff]) by smtp.gmail.com with ESMTPSA id e16-20020a05600c2dd000b003b47e8a5d22sm3963146wmh.23.2022.09.29.01.40.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Sep 2022 01:40:15 -0700 (PDT) Message-ID: Date: Thu, 29 Sep 2022 10:40:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2 1/2] dt-bindings: it6505: add properties to restrict output bandwidth Content-Language: en-US To: allen Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Kenneth Hung , Jernej Skrabec , Krzysztof Kozlowski , Jau-Chih Tseng , David Airlie , "open list:DRM DRIVERS" , Neil Armstrong , open list , Robert Foss , Pin-yen Lin , Hermes Wu , Rob Herring , Laurent Pinchart , Andrzej Hajda , Jonas Karlman References: <20220929014456.30077-1-allen.chen@ite.com.tw> <20220929014456.30077-2-allen.chen@ite.com.tw> From: Neil Armstrong Reply-To: neil.armstrong@linaro.org Organization: Linaro Developer Services In-Reply-To: <20220929014456.30077-2-allen.chen@ite.com.tw> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi, On 29/09/2022 03:44, allen wrote: > From: allen chen > > Add properties to restrict dp output data-lanes and clock. > > Signed-off-by: Pin-Yen Lin > Signed-off-by: Allen Chen > --- > .../devicetree/bindings/display/bridge/ite,it6505.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > index 833d11b2303a..62b9f2192202 100644 > --- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > @@ -52,6 +52,14 @@ properties: > maxItems: 1 > description: extcon specifier for the Power Delivery > > + data-lanes: > + maxItems: 1 > + description: restrict the dp output data-lanes with value of 1-4 Can't you use the data-lanes property in the first port endpoint ? Look at Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml > + > + max-pixel-clock-khz: > + maxItems: 1 > + description: restrict max pixel clock New vendor specific properties should have the ite, prefix. > + > port: > $ref: /schemas/graph.yaml#/properties/port > description: A port node pointing to DPI host port node > @@ -84,6 +92,8 @@ examples: > pwr18-supply = <&it6505_pp18_reg>; > reset-gpios = <&pio 179 1>; > extcon = <&usbc_extcon>; > + data-lanes = <2>; > + max-pixel-clock-khz = <150000>; > > port { > it6505_in: endpoint { Thanks, Neil