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Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by PAXPR04MB9024.eurprd04.prod.outlook.com (2603:10a6:102:20f::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9228.17; Tue, 21 Oct 2025 08:51:21 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::4609:64af:8a4b:fd64]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::4609:64af:8a4b:fd64%6]) with mapi id 15.20.9253.011; Tue, 21 Oct 2025 08:51:21 +0000 Message-ID: <7e0fb617-088b-4075-9631-e37645b4c40d@nxp.com> Date: Tue, 21 Oct 2025 16:51:40 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 1/7] dt-bindings: display: imx: add HDMI PAI for i.MX8MP To: Shengjiu Wang , andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, lumag@kernel.org, dianders@chromium.org, cristian.ciocaltea@collabora.com, luca.ceresoli@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, devicetree@vger.kernel.org, l.stach@pengutronix.de, shengjiu.wang@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org References: <20250923053001.2678596-1-shengjiu.wang@nxp.com> <20250923053001.2678596-2-shengjiu.wang@nxp.com> From: Liu Ying Content-Language: en-US In-Reply-To: Content-Type: text/plain; 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Just want to make sure I may follow that correctly in the future. As Krzysztof is one of DT binding maintainers and this patch has Krzysztof's R-b tag, need more ack from DT maintainers? > -Sima > >> --- >> .../display/bridge/fsl,imx8mp-hdmi-tx.yaml | 12 ++++ >> .../display/imx/fsl,imx8mp-hdmi-pai.yaml | 69 +++++++++++++++++++ >> 2 files changed, 81 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml >> >> diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml >> index 05442d437755..6211ab8bbb0e 100644 >> --- a/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml >> +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml >> @@ -49,6 +49,10 @@ properties: >> $ref: /schemas/graph.yaml#/properties/port >> description: HDMI output port >> >> + port@2: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: Parallel audio input port >> + >> required: >> - port@0 >> - port@1 >> @@ -98,5 +102,13 @@ examples: >> remote-endpoint = <&hdmi0_con>; >> }; >> }; >> + >> + port@2 { >> + reg = <2>; >> + >> + endpoint { >> + remote-endpoint = <&pai_to_hdmi_tx>; >> + }; >> + }; >> }; >> }; >> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml >> new file mode 100644 >> index 000000000000..4f99682a308d >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml >> @@ -0,0 +1,69 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pai.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Freescale i.MX8MP HDMI Parallel Audio Interface >> + >> +maintainers: >> + - Shengjiu Wang >> + >> +description: >> + The HDMI TX Parallel Audio Interface (HTX_PAI) is a bridge between the >> + Audio Subsystem to the HDMI TX Controller. >> + >> +properties: >> + compatible: >> + const: fsl,imx8mp-hdmi-pai >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + >> + clock-names: >> + const: apb >> + >> + power-domains: >> + maxItems: 1 >> + >> + port: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: Output to the HDMI TX controller. >> + >> +required: >> + - compatible >> + - reg >> + - interrupts >> + - clocks >> + - clock-names >> + - power-domains >> + - port >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include >> + #include >> + >> + audio-bridge@32fc4800 { >> + compatible = "fsl,imx8mp-hdmi-pai"; >> + reg = <0x32fc4800 0x800>; >> + interrupt-parent = <&irqsteer_hdmi>; >> + interrupts = <14>; >> + clocks = <&clk IMX8MP_CLK_HDMI_APB>; >> + clock-names = "apb"; >> + power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PAI>; >> + >> + port { >> + pai_to_hdmi_tx: endpoint { >> + remote-endpoint = <&hdmi_tx_from_pai>; >> + }; >> + }; >> + }; >> -- >> 2.34.1 >> > -- Regards, Liu Ying