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Message-ID: <32e425be-5d78-e1e0-6ec4-70ea21895e15@nvidia.com>
Date:   Fri, 25 Mar 2022 15:01:03 +0530
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Subject: Re: [PATCH] arm64: tegra: Enable hda node for P3737 + P3701
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To:     Krzysztof Kozlowski <krzk@kernel.org>, robh+dt@kernel.org,
        krzk+dt@kernel.org
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        thierry.reding@gmail.com, jonathanh@nvidia.com
References: <20220325072141.28597-1-mkumard@nvidia.com>
 <f35537de-6352-e6db-b4a6-17b1ab96deda@kernel.org>
From:   Mohan Kumar D <mkumard@nvidia.com>
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On 3/25/2022 12:56 PM, Krzysztof Kozlowski wrote:
> External email: Use caution opening links or attachments
>
>
> On 25/03/2022 08:21, Mohan Kumar wrote:
>> Add iommus property for hda and enable the node for P3737 + P3701
>> platform.
>>
>> Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
>> ---
>>   arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts | 1 +
>>   arch/arm64/boot/dts/nvidia/tegra234.dtsi                      | 1 +
>>   2 files changed, 2 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
>> index 34d6a01ee1c6..156d5d95fde7 100644
>> --- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
>> +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
>> @@ -1751,6 +1751,7 @@
>>
>>                hda@3510000 {
>>                        nvidia,model = "NVIDIA Jetson AGX Orin HDA";
>> +                     status = "okay";
> Nodes are enabled by default. Why do you need this?
hda node status is set to "disabled" by default in soc dts file 
tegra234.dtsi. The enable is controlled by platform specific dts files.
>
>
> Best regards,
> Krzysztof