linux-kernel - Re: [PATCH V3 4/8] arm64: dts: imx93: add s4 mu node

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Message-ID: <20220905030505.GF1728671@dragon>
Date:   Mon, 5 Sep 2022 11:05:05 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, aisheng.dong@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>,
        Ye Li <ye.li@....com>, Jacky Bai <ping.bai@....com>
Subject: Re: [PATCH V3 4/8] arm64: dts: imx93: add s4 mu node

On Wed, Aug 31, 2022 at 10:14:14PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Add s4 mu node for sentinel communication
> 
> Reviewed-by: Ye Li <ye.li@....com>
> Reviewed-by: Jacky Bai <ping.bai@....com>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx93.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
> index 26d5ce4a5f2c..dd76472ced46 100644
> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
> @@ -342,5 +342,15 @@ gpio1: gpio@...00080 {
>  			clock-names = "gpio", "port";
>  			gpio-ranges = <&iomuxc 0 0 32>;
>  		};
> +
> +		s4muap: mailbox@...20000 {
> +			compatible = "fsl,imx93-mu-s4";
> +			reg = <0x47520000 0x10000>;
> +			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "txirq", "rxirq";
> +			#mbox-cells = <2>;
> +			status = "okay";

Unneeded "okay" status?

Shawn

> +		};
>  	};
>  };
> -- 
> 2.37.1
>