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Message-ID: <20240214121517.54552a4a@booty>
Date: Wed, 14 Feb 2024 12:15:17 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Adam Ford <aford173@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org, marex@...x.de,
 aford@...conembedded.com, Lucas Stach <l.stach@...gutronix.de>, Vinod Koul
 <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring
 <robh@...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>, Catalin Marinas <catalin.marinas@....com>, Will Deacon
 <will@...nel.org>, linux-phy@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 4/6] arm64: dts: imx8mp: add HDMI irqsteer

On Sat, 10 Feb 2024 14:46:00 -0600
Adam Ford <aford173@...il.com> wrote:

> 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>
> Signed-off-by: Adam Ford <aford173@...il.com>
> ---
> V2:  Add my (Adam) s-o-b and re-order position under AIPS4
> ---
>  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 0730d4cf9bc4..9b8ab367d774 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1927,6 +1927,19 @@ hdmi_blk_ctrl: blk-ctrl@...c0000 {
>  						     "hdcp", "hrv";
>  				#power-domain-cells = <1>;
>  			};
> +
> +			irqsteer_hdmi: interrupt-controller@...c2000 {
> +				compatible = "fsl,imx-irqsteer";
> +				reg = <0x32fc2000 0x44>;

The last register being at offset 0x44, this should be <0x32fc2000
0x48> or even <... 0x1000> as the TRM mentions a 4 kB size.

[Tested using Avnet MSC SM2S-IMX8PLUS SoM on Avnet MSC SM2-MB-EP1]
Tested-by: Luca Ceresoli <luca.ceresoli@...tlin.com>


Luca

-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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