linux-kernel - Re: [PATCH v5 2/4] arm64: dts: rockchip: add overlay test for Edgeble NCM6A

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Message-ID: <74502f5556584ee7378c63d4971f2a66@manjaro.org>
Date: Mon, 10 Feb 2025 19:29:07 +0100
From: Dragan Simic <dsimic@...jaro.org>
To: Quentin Schulz <quentin.schulz@...rry.de>
Cc: Jagan Teki <jagan@...eble.ai>, Quentin Schulz <foss+kernel@...il.net>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, Niklas
 Cassel <cassel@...nel.org>, Michael Riesch <michael.riesch@...fvision.net>,
 Jonas Karlman <jonas@...boo.se>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, Krzysztof Kozlowski
 <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v5 2/4] arm64: dts: rockchip: add overlay test for Edgeble
 NCM6A

Hello Quentin and Jagan,

On 2025-02-10 18:57, Quentin Schulz wrote:
> On 2/10/25 3:11 PM, Jagan Teki wrote:
>> On Fri, 7 Feb 2025 at 20:50, Quentin Schulz <foss+kernel@...il.net> 
>> wrote:
>>> 
>>> From: Quentin Schulz <quentin.schulz@...rry.de>
>>> 
>>> The Edgeble NCM6A can have WiFi modules connected and this is handled
>>> via an overlay (commit 951d6aaa37fe ("arm64: dts: rockchip: Add 
>>> Edgeble
>>> NCM6A WiFi6 Overlay")).
>>> 
>>> In order to make sure the overlay is still valid in the future, let's
>>> add a validation test by applying the overlay on top of the main base
>>> at build time.
>>> 
>>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>> Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
>>> ---
>>>   arch/arm64/boot/dts/rockchip/Makefile | 4 ++++
>>>   1 file changed, 4 insertions(+)
>>> 
>>> diff --git a/arch/arm64/boot/dts/rockchip/Makefile 
>>> b/arch/arm64/boot/dts/rockchip/Makefile
>>> index 
>>> 534e70a649eeada7f9b6f12596b83f5c47b184b4..02f98abe1df10f44f2ac27ea5f6c6e6c6334724e 
>>> 100644
>>> --- a/arch/arm64/boot/dts/rockchip/Makefile
>>> +++ b/arch/arm64/boot/dts/rockchip/Makefile
>>> @@ -192,3 +192,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += 
>>> rk3568-wolfvision-pf5-vz-2-uhd.dtb
>>>   rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
>>>          rk3568-wolfvision-pf5-display-vz.dtbo \
>>>          rk3568-wolfvision-pf5-io-expander.dtbo
>>> +
>>> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6a-wifi.dtb
>>> +rk3588-edgeble-neu6a-wifi-dtbs := rk3588-edgeble-neu6a-io.dtb \
>>> +       rk3588-edgeble-neu6a-wifi.dtbo
>> 
>> Please add neu6b-io as well, wifi dtbo is similar for it as well.
> 
> Similar or identical :)?
> 
> Should the overlay be renamed if it applies to neu6b AND neu6a instead
> of implying it's only for neu6a based on the name of the overlay?

I'm afraid it's a bit too late for renaming the .dtso file. :/
Though, the DT overlay tests could also serve as some kind of
documentation about what overlay can get applied to what base
.dtb, making this situation a bit better.