linux-kernel - Re: [PATCH v6 1/7] arm64: dts: ti: k3-j721s2: Add ESM instances

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Message-ID: <4b89a45e-d68d-f1f7-4681-63be972c52cf@ti.com>
Date:   Tue, 3 Oct 2023 12:20:17 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Keerthy <j-keerthy@...com>, <robh+dt@...nel.org>, <nm@...com>,
        <conor+dt@...nel.org>, <kristo@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <u-kumar1@...com>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 1/7] arm64: dts: ti: k3-j721s2: Add ESM instances



On 27/09/23 08:03, Keerthy wrote:
> Patch adds the ESM instances for j721s2. 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-j721s2-main.dtsi       |  7 +++++++
>  arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 14 ++++++++++++++
>  2 files changed, 21 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 084f8f5b6699..8a717b592238 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -1695,4 +1695,11 @@
>  		dss_ports: ports {
>  		};
>  	};
> +
> +	main_esm: esm@...000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x700000 0x00 0x1000>;
> +		ti,esm-pins = <688>, <689>;
> +		bootph-pre-ram;


Similar to other k3-*.dts here and elsewhere
		bootph-all


Better drop them altogether, and lets have a single patch for the j721s2
platform to add bootph* flags as necessary.


> +	};
>  };
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> index 2ddad9318554..4b29418a6076 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> @@ -655,4 +655,18 @@
>  		power-domains = <&k3_pds 154 TI_SCI_PD_SHARED>;
>  		#thermal-sensor-cells = <1>;
>  	};
> +
> +	mcu_esm: esm@...00000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x40800000 0x00 0x1000>;
> +		ti,esm-pins = <95>;
> +		bootph-pre-ram;
> +	};
> +
> +	wkup_esm: esm@...80000 {
> +		compatible = "ti,j721e-esm";
> +		reg = <0x00 0x42080000 0x00 0x1000>;
> +		ti,esm-pins = <63>;
> +		bootph-pre-ram;
> +	};
>  };

-- 
Regards
Vignesh