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4e7511fab2
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 <shengjiu.wang@nxp.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Link: https://lore.kernel.org/r/20250923053001.2678596-2-shengjiu.wang@nxp.com
70 lines
1.4 KiB
YAML
70 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pai.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale i.MX8MP HDMI Parallel Audio Interface
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maintainers:
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- Shengjiu Wang <shengjiu.wang@nxp.com>
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description:
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The HDMI TX Parallel Audio Interface (HTX_PAI) is a bridge between the
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Audio Subsystem to the HDMI TX Controller.
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properties:
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compatible:
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const: fsl,imx8mp-hdmi-pai
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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const: apb
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power-domains:
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maxItems: 1
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port:
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$ref: /schemas/graph.yaml#/properties/port
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description: Output to the HDMI TX controller.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- power-domains
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- port
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx8mp-clock.h>
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#include <dt-bindings/power/imx8mp-power.h>
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audio-bridge@32fc4800 {
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compatible = "fsl,imx8mp-hdmi-pai";
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reg = <0x32fc4800 0x800>;
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interrupt-parent = <&irqsteer_hdmi>;
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interrupts = <14>;
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clocks = <&clk IMX8MP_CLK_HDMI_APB>;
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clock-names = "apb";
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power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PAI>;
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port {
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pai_to_hdmi_tx: endpoint {
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remote-endpoint = <&hdmi_tx_from_pai>;
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};
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};
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};
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