linux-kernel - Re: [PATCH v2 15/15] arm64: dts: qcom: Add The Fairphone (Gen. 6)

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Message-Id: <DBBS3S38CWTN.32RLYB9VEZAB@fairphone.com>
Date: Mon, 14 Jul 2025 14:32:19 +0200
From: "Luca Weiss" <luca.weiss@...rphone.com>
To: "Konrad Dybcio" <konrad.dybcio@....qualcomm.com>, "Will Deacon"
 <will@...nel.org>, "Robin Murphy" <robin.murphy@....com>, "Joerg Roedel"
 <joro@...tes.org>, "Rob Herring" <robh@...nel.org>, "Krzysztof Kozlowski"
 <krzk+dt@...nel.org>, "Conor Dooley" <conor+dt@...nel.org>, "Rafael J.
 Wysocki" <rafael@...nel.org>, "Viresh Kumar" <viresh.kumar@...aro.org>,
 "Manivannan Sadhasivam" <mani@...nel.org>, "Herbert Xu"
 <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>,
 "Vinod Koul" <vkoul@...nel.org>, "Bjorn Andersson" <andersson@...nel.org>,
 "Konrad Dybcio" <konradybcio@...nel.org>, "Robert Marko"
 <robimarko@...il.com>, "Das Srinagesh" <quic_gurus@...cinc.com>, "Thomas
 Gleixner" <tglx@...utronix.de>, "Jassi Brar" <jassisinghbrar@...il.com>,
 "Amit Kucheria" <amitk@...nel.org>, "Thara Gopinath"
 <thara.gopinath@...il.com>, "Daniel Lezcano" <daniel.lezcano@...aro.org>,
 "Zhang Rui" <rui.zhang@...el.com>, "Lukasz Luba" <lukasz.luba@....com>,
 "Ulf Hansson" <ulf.hansson@...aro.org>
Cc: <~postmarketos/upstreaming@...ts.sr.ht>, <phone-devel@...r.kernel.org>,
 <linux-arm-kernel@...ts.infradead.org>, <iommu@...ts.linux.dev>,
 <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <linux-pm@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
 <linux-crypto@...r.kernel.org>, <dmaengine@...r.kernel.org>,
 <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH v2 15/15] arm64: dts: qcom: Add The Fairphone (Gen. 6)

On Mon Jul 14, 2025 at 2:19 PM CEST, Konrad Dybcio wrote:
> On 7/13/25 10:05 AM, Luca Weiss wrote:
>> Add a devicetree for The Fairphone (Gen. 6) smartphone, which is based
>> on the Milos/SM7635 SoC.
>> 
>> Supported functionality as of this initial submission:
>> * Debug UART
>> * Regulators (PM7550, PM8550VS, PMR735B, PM8008)
>> * Remoteprocs (ADSP, CDSP, MPSS, WPSS)
>> * Power Button, Volume Keys, Switch
>> * Display (using simple-framebuffer)
>> * PMIC-GLINK (Charger, Fuel gauge, USB-C mode switching)
>> * Camera flash/torch LED
>> * SD card
>> * USB
>> 
>> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
>> ---
>
> [...]
>
>> +	reserved-memory {
>> +		/*
>> +		 * ABL is powering down display and controller if this node is
>> +		 * not named exactly "splash_region".
>> +		 */
>> +		splash_region@...40000 {
>
> Was it not possible to arrange for a fw update after all?

I've made a patch to support both 'splash' and 'splash-region' but not
sure when it's going to be included, I've sent the patch to the correct
people internally last week. Since Android build cycles are always super
slow, it'll take a the very least a month I guess.

>
> fwiw the rest looks good

Thanks!

Regards
Luca

>
> Konrad