linux-kernel - Re: [PATCH v5 4/7] arm64: dts: Add DT node for the VIPNano-QI on the A311D

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Date:   Fri, 2 Dec 2022 09:57:53 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     italonicola@...labora.com, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/Amlogic Meson SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Amlogic Meson SoC support" 
        <linux-amlogic@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 4/7] arm64: dts: Add DT node for the VIPNano-QI on the
 A311D

On 01/12/2022 23:33, Martin Blumenstingl wrote:
> On Thu, Dec 1, 2022 at 11:31 AM Tomeu Vizoso <tomeu.vizoso@...labora.com> wrote:
> [...]
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> index 45947c1031c4..61c8461df614 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> @@ -11,6 +11,7 @@
>>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>>   #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
>>   #include <dt-bindings/thermal/thermal.h>
>> +#include <dt-bindings/power/meson-g12a-power.h>
> We could now remove the meson-g12a-power include from
> arch/arm64/boot/dts/amlogic/meson-g12.dtsi
> I'm not sure if we have any "rule" about this though, so I'm curious
> to hear what others think.

Actually you're right, Tomeu please remove this include
and remove the:
	power-domains = <&pwrc PWRC_G12A_NNA_ID>;

and move it as:

&npu {
	power-domains = <&pwrc PWRC_G12A_NNA_ID>;
};

into arch/arm64/boot/dts/amlogic/meson-g12b.dtsi

and while you're at it, please add:
&npu {
	power-domains = <&pwrc PWRC_SM1_NNA_ID>;
};

into arch/arm64/boot/dts/amlogic/meson-sm1.dtsi

It's ok to do all this in a single patch.

> 
> 
> Best regards,
> Martin

(PS: Don't forget Philipp's Acked-by on patch 1 for next version)

Thanks,
Neil