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Tue, 21 Oct 2025 01:02:05 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:5485:d4b2:c087:b497]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63c494301aasm8934112a12.24.2025.10.21.01.02.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Oct 2025 01:02:05 -0700 (PDT) Date: Tue, 21 Oct 2025 10:02:03 +0200 From: Simona Vetter To: Shengjiu Wang Cc: 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, victor.liu@nxp.com, 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 Subject: Re: [PATCH v7 1/7] dt-bindings: display: imx: add HDMI PAI for i.MX8MP Message-ID: Mail-Followup-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, victor.liu@nxp.com, 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> Precedence: bulk X-Mailing-List: imx@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: <20250923053001.2678596-2-shengjiu.wang@nxp.com> X-Operating-System: Linux phenom 6.12.38+deb13-amd64 On Tue, Sep 23, 2025 at 01:29:55PM +0800, Shengjiu Wang wrote: > Add binding for the i.MX8MP HDMI parallel Audio interface block. > > The HDMI TX Parallel Audio Interface (HTX_PAI) is a digital module that > acts as the bridge between the Audio Subsystem to the HDMI TX Controller. > This IP block is found in the HDMI subsystem of the i.MX8MP SoC. > > Aud2htx module in Audio Subsystem, HDMI PAI module and HDMI TX > Controller compose the HDMI audio pipeline. > > In fsl,imx8mp-hdmi-tx.yaml, add port@2 that is linked to pai_to_hdmi_tx. > > Signed-off-by: Shengjiu Wang > Reviewed-by: Krzysztof Kozlowski > Tested-by: Alexander Stein dt patches need an ack from dt maintainers before you push them, please make sure you follow that for the next changes. -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 > -- Simona Vetter Software Engineer http://blog.ffwll.ch