linux-kernel - Re: [PATCH v3 2/7] arm64: dts: ti: k3-j784s4: Add ESM instances

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Message-ID: <2cc9060f-b44d-a870-6b98-20f17b2feac1@ti.com>
Date:   Mon, 25 Sep 2023 10:59:13 +0530
From:   "Kumar, Udit" <u-kumar1@...com>
To:     Keerthy <j-keerthy@...com>, <robh+dt@...nel.org>, <nm@...com>,
        <vigneshr@...com>, <conor+dt@...nel.org>, <kristo@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/7] arm64: dts: ti: k3-j784s4: Add ESM instances


On 9/11/2023 9:39 AM, Keerthy wrote:
> Patch adds the ESM instances for j784s4. It has 3 instances.
> One in the main domain and two in the mcu-wakeup domian.
>
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi       |  7 +++++++
>   arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 12 ++++++++++++
>   2 files changed, 19 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> index efed2d683f63..02d549a2ca06 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> @@ -1568,4 +1568,11 @@
>   		firmware-name = "j784s4-c71_3-fw";
>   		status = "disabled";
>   	};
> +
> +	main_esm: esm@...000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x700000 0x00 0x1000>;
> +		ti,esm-pins = <688>, <689>, <690>, <691>, <692>, <693>, <694>,
> +			      <695>;
> +	};
>   };
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> index 4ab4018d3695..f1dfa4144168 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> @@ -700,4 +700,16 @@
>   			status = "disabled";
>   		};
>   	};
> +
> +	mcu_esm: esm@...00000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x40800000 0x00 0x1000>;
> +		ti,esm-pins = <95>;
> +	};
> +
> +	wkup_esm: esm@...80000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x42080000 0x00 0x1000>;
> +		ti,esm-pins = <63>;
> +	};


Please consider adding bootph node for esm,

I understand these nodes will be used in R5/SPL

Thanks

>   };