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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id g13-20020a056870c14d00b001375188dae9sm3304996oad.16.2022.12.01.15.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Dec 2022 15:05:21 -0800 (PST) Received: (nullmailer pid 1615063 invoked by uid 1000); Thu, 01 Dec 2022 23:05:20 -0000 Date: Thu, 1 Dec 2022 17:05:20 -0600 From: Rob Herring To: Sandor Yu Cc: andrzej.hajda@intel.com, neil.armstrong@linaro.org, robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@gmail.com, daniel@ffwll.ch, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, vkoul@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, kernel@pengutronix.de, linux-imx@nxp.com, oliver.brown@nxp.com Subject: Re: [PATCH v5 02/10] dt-bindings: display: bridge: Add MHDP DP for i.MX8MQ Message-ID: <20221201230520.GA1600786-robh@kernel.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221201_150524_411021_43060CE3 X-CRM114-Status: GOOD ( 18.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Nov 28, 2022 at 03:36:10PM +0800, Sandor Yu wrote: > Add bindings for i.MX8MQ MHDP DisplayPort. > > Signed-off-by: Sandor Yu > --- > .../display/bridge/cdns,mhdp-imx8mq-dp.yaml | 102 ++++++++++++++++++ > 1 file changed, 102 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > new file mode 100644 > index 000000000000..21cf87c79766 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml > @@ -0,0 +1,102 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cadence MHDP Displayport bridge > + > +maintainers: > + - Sandor Yu > + > +description: > + The Cadence MHDP Displayport TX interface. > + > +properties: > + compatible: > + enum: > + - cdns,mhdp-imx8mq-dp nxp,ixm8mq-mhdp Cadence is not the vendor for imx8mq. It is doubtful that every vendor using this IP block will be the same because that rarely/never happens. And I assume the 'dp in 'mhdp' stands for DisplayPort, so we don't need it twice. > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + description: MHDP DP APB clock. Seems like there would be more than just a bus clock unless all the function clocks come from the display controller or phy. > + > + phys: > + maxItems: 1 > + > + interrupts: > + items: > + - description: Hotplug cable plugin. > + - description: Hotplug cable plugout. > + > + interrupt-names: > + items: > + - const: plug_in > + - const: plug_out > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Input port from display controller output. > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: > + Output port to DP connector. > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - clocks > + - interrupts > + - interrupt-names > + - phys > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include > + #include > + > + mhdp_dp: dp-bridge@32c00000 { > + compatible = "cdns,mhdp-imx8mq-dp"; > + reg = <0x32c00000 0x100000>; > + interrupts = , > + ; > + interrupt-names = "plug_in", "plug_out"; > + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; > + phys = <&dp_phy>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + mhdp_in: endpoint { > + remote-endpoint = <&dcss_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + mhdp_out: endpoint { > + remote-endpoint = <&dp_con>; > + }; > + }; > + }; > + }; > -- > 2.34.1 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel