linux-kernel - Re: [PATCH V8 06/12] arm64: dts: imx8mp: add HDMI irqsteer

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Message-ID: <2175280.irdbgypaU6@steina-w>
Date: Mon, 05 Feb 2024 08:26:53 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: linux-arm-kernel@...ts.infradead.org, Adam Ford <aford173@...il.com>
Cc: marex@...x.de, frieder.schrempf@...tron.de, Lucas Stach <l.stach@...gutronix.de>, Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>, Philipp Zabel <p.zabel@...gutronix.de>, Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, Catalin Marinas <catalin.marina
 s@....com>, Will Deacon <will@...nel.org>, Liu Ying <victor.liu@....com>, Ulf Hansson <ulf.hansson@...aro.org>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH V8 06/12] arm64: dts: imx8mp: add HDMI irqsteer

Hi Adam,

thanks for working on this.

Am Samstag, 3. Februar 2024, 17:52:46 CET schrieb Adam Ford:
> From: Lucas Stach <l.stach@...gutronix.de>
> 
> The HDMI irqsteer is a secondary interrupt controller within the HDMI
> subsystem that maps all HDMI peripheral IRQs into a single upstream
> IRQ line.
> 
> Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> 5c54073de615..5e51a766f3d9 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1399,6 +1399,19 @@ hdmi_blk_ctrl: blk-ctrl@...c0000 {
>  						     "hdcp", 
"hrv";
>  				#power-domain-cells = <1>;
>  			};
> +
> +			irqsteer_hdmi: interrupt-controller@...c2000 {
> +				compatible = "fsl,imx-irqsteer";
> +				reg = <0x32fc2000 0x44>;
> +				interrupts = <GIC_SPI 43 
IRQ_TYPE_LEVEL_HIGH>;
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +				fsl,channel = <1>;
> +				fsl,num-irqs = <64>;
> +				clocks = <&clk IMX8MP_CLK_HDMI_APB>;
> +				clock-names = "ipg";
> +				power-domains = <&hdmi_blk_ctrl 
IMX8MP_HDMIBLK_PD_IRQSTEER>;
> +			};

According to RM this block is part of HDMI_TX which is part of AIPS4, so it 
should be below hsio_blk_ctrl.

Best regards,
Alexander

>  		};
> 
>  		aips5: bus@...00000 {


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