linux-kernel - Re: [EXTERNAL] Re: [PATCH] arm64: dts: ti: k3-j721s2: Add support for ADC nodes

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Date:   Tue, 20 Dec 2022 15:26:20 +0530
From:   Bhavya Kapoor <b-kapoor@...com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>, <vigneshr@...com>,
        <nm@...com>, <piyali_g@...com>
Subject: Re: [EXTERNAL] Re: [PATCH] arm64: dts: ti: k3-j721s2: Add support for
 ADC nodes

Hi, please drop this patch since the interrupt values supplied for 
tscadc are incorrect.

On 08/11/22 23:48, Krzysztof Kozlowski wrote:
> On 08/11/2022 08:32, Bhavya Kapoor wrote:
>> J721S2 has two instances of 8 channel ADCs in MCU domain. Add DT nodes
>> for 8 channel ADCs for J721S2.
>>
>> Enable ADCs present on J721S2 soc.
>>
>> Signed-off-by: Bhavya Kapoor <b-kapoor@...com>
>> ---
>>   .../dts/ti/k3-j721s2-common-proc-board.dts    | 14 +++++++
>>   .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 40 +++++++++++++++++++
>>   2 files changed, 54 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
>> index b210cc07c539..de9cb40273be 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
>> @@ -429,3 +429,17 @@
>>   &main_mcan17 {
>>   	status = "disabled";
>>   };
>> +
>> +&tscadc0 {
>> +	status = "okay";
>> +	adc {
>> +		ti,adc-channels = <0 1 2 3 4 5 6 7>;
>> +	};
>> +};
>> +
>> +&tscadc1 {
>> +	status = "okay";
>> +	adc {
>> +		ti,adc-channels = <0 1 2 3 4 5 6 7>;
>> +	};
>> +};
>> 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 4d1bfabd1313..47a7a6b500c2 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> @@ -299,4 +299,44 @@
>>   			ti,cpts-periodic-outputs = <2>;
>>   		};
>>   	};
>> +
>> +	tscadc0: tscadc@...00000 {
> Node names should be generic, so "adc"
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Best regards,
> Krzysztof
>