linux-kernel - Re: [PATCH 2/7] arm64: dts: imx8-ss-lsio: Add mu5a mailbox

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Date:   Tue, 18 May 2021 15:50:51 +0800
From:   Dong Aisheng <dongas86@...il.com>
To:     Abel Vesa <abelvesa@...nel.org>
Cc:     Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Jacky Bai <ping.bai@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Abel Vesa <abel.vesa@....com>
Subject: Re: [PATCH 2/7] arm64: dts: imx8-ss-lsio: Add mu5a mailbox

On Tue, May 18, 2021 at 1:14 AM <abelvesa@...nel.org> wrote:
>
> From: Abel Vesa <abel.vesa@....com>
>
> The mailbox of the lsio mu5a is used by rpmsg on imx8qxp and
> imx8dxl platforms.
>
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
> index ee4e585a9c39..8e3c92c82fac 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
> @@ -141,6 +141,15 @@ lsio_mu4: mailbox@...f0000 {
>                 status = "disabled";
>         };
>
> +       lsio_mu5: mailbox@...00000 {
> +               compatible = "fsl,imx6sx-mu";

For normal devices node, the compatible string are prefered to be
defined in soc-ss-xxx.dtsi
in case to handle HW minus difference. e.g. mu13

> +               reg = <0x5d200000 0x10000>;
> +               interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
> +               #mbox-cells = <2>;
> +               power-domains = <&pd IMX_SC_R_MU_5A>;
> +       };
> +
> +
>         lsio_mu13: mailbox@...80000 {
>                 reg = <0x5d280000 0x10000>;
>                 interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
> --
> 2.31.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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