Re: [PATCH v3 6/6] arm64: dts: imx8mp: Add hdmi parallel audio interface node

Alexander Stein
2025-08-05T07:10:33Z

Am Montag, 4. August 2025, 12:47:22 CEST schrieb Shengjiu Wang:
> The HDMI TX Parallel Audio Interface (HTX_PAI) is a bridge between the
> Audio Subsystem to the HDMI TX Controller.
>
> Shrink register map size of hdmi_pvi to avoid overlapped hdmi_pai device.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 +++
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 28 +++++++++++++++++++-

Please separate commits for SoC and board files. Thanks

Best regards,
Alexander

> 2 files changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index c0cc5611048e..cc9351a5bd65 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -442,6 +442,10 @@ &flexcan2 {
> status = "disabled";/* can2 pin conflict with pdm */
> };
>
> +&hdmi_pai {
> + status = "okay";
> +};
> +
> &hdmi_pvi {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 841d155685ee..00d8474bd1b1 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -2066,7 +2066,7 @@ irqsteer_hdmi: interrupt-controller@32fc2000 {
>
> hdmi_pvi: display-bridge@32fc4000 {
> compatible = "fsl,imx8mp-hdmi-pvi";
> - reg = <0x32fc4000 0x1000>;
> + reg = <0x32fc4000 0x800>;
> interrupt-parent = <&irqsteer_hdmi>;
> interrupts = <12>;
> power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PVI>;
> @@ -2092,6 +2092,24 @@ pvi_to_hdmi_tx: endpoint {
> };
> };
>
> + hdmi_pai: 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>;
> + status = "disabled";
> +
> + port {
> +
> + pai_to_hdmi_tx: endpoint {
> + remote-endpoint = <&hdmi_tx_from_pai>;
> + };
> + };
> + };
> +
> lcdif3: display-controller@32fc6000 {
> compatible = "fsl,imx8mp-lcdif";
> reg = <0x32fc6000 0x1000>;
> @@ -2143,6 +2161,14 @@ port@1 {
> reg = <1>;
> /* Point endpoint to the HDMI connector */
> };
> +
> + port@2 {
> + reg = <2>;
> +
> + hdmi_tx_from_pai: endpoint {
> + remote-endpoint = <&pai_to_hdmi_tx>;
> + };
> + };
> };
> };
>
>

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