linux-kernel - Re: [PATCH v6 2/7] arm64: dts: ti: k3-j784s4: Add ESM instances

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Message-ID: <c7c32ec5-d0c1-443d-9851-3bb8e772c8fc@ti.com>
Date:   Thu, 5 Oct 2023 06:45:26 +0530
From:   "J, KEERTHY" <j-keerthy@...com>
To:     Vignesh Raghavendra <vigneshr@...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 2/7] arm64: dts: ti: k3-j784s4: Add ESM instances



On 10/3/2023 12:20 PM, Vignesh Raghavendra wrote:
> 
> 
> On 27/09/23 08:03, 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       |  8 ++++++++
>>   arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 14 ++++++++++++++
>>   2 files changed, 22 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..26dc3776f911 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> @@ -1568,4 +1568,12 @@
>>   		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>;
>> +		bootph-pre-ram;
> 
> Similar to other nodes in this file, here and elsewhere use
> 		bootph-all

Okay. I will switch to bootph-all

> 
> 
>> +	};
>>   };
>> 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..a7b5c4cb7d3e 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 +700,18 @@
>>   			status = "disabled";
>>   		};
>>   	};
>> +
>> +	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;
>> +	};
>>   };
>