From: Richard Acayan <mailingradian@gmail.com>
To: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Cc: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Tianshu Qiu <tian.shu.qiu@intel.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-media@vger.kernel.org,
Robert Mader <robert.mader@collabora.com>
Subject: Re: [PATCH v4 5/5] arm64: dts: qcom: sdm670-google-sargo: add imx355 front camera
Date: Mon, 29 Dec 2025 21:29:42 -0500 [thread overview]
Message-ID: <aVM5FrvQkoxGwgph@rdacayan> (raw)
In-Reply-To: <79e2bb5b-9bca-4712-87bb-e0371b36bf50@linaro.org>
On Wed, Dec 17, 2025 at 05:11:11AM +0200, Vladimir Zapolskiy wrote:
> On 12/17/25 03:41, Richard Acayan wrote:
> > On Tue, Dec 16, 2025 at 05:23:53PM +0200, Vladimir Zapolskiy wrote:
> > > For whatever reason CAMSS on SDM670 is very special, because IIRC there is no
> > > other platform with preset status poperties of endpoints. This exclusive SDM670
> > > specifics shall be analysed and eliminated, since it hasn't been done during
> > > patch review time, it's time to do it right now then.
> >
> > An SoC-common endpoint node is how panels are hooked up to DSI. This
> > seems to be the case for SDM670, SDM845, SM8[123456]50, etc.
> > It's not special or unpopular for DSI, but CAMSS seems to be the
> > subsystem where an endpoint node pre-defined by the SoC is only in
> > SDM670.
>
> Only SDM670 CAMSS endpoints contain 'status' property, not DSI, not
> CAMSS on any other platform. This makes SDM670 CAMSS special, and as
> I've said above this very odd exclusiveness should be eliminated.
Oh, if everyone is actually fine with empty endpoints for CAMSS
(`camss_endpoint0: endpoint {};` in SoC dtsi), it might be easier to
patch the driver to accept this:
https://lore.kernel.org/r/20251230022759.9449-1-mailingradian@gmail.com
next prev parent reply other threads:[~2025-12-30 2:29 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-11 1:48 [PATCH v4 0/5] media: i2c: IMX355 for the Pixel 3a Richard Acayan
2025-12-11 1:48 ` [PATCH v4 1/5] dt-bindings: media: i2c: Add Sony IMX355 Richard Acayan
2025-12-11 3:12 ` Krzysztof Kozlowski
2025-12-11 3:26 ` Rob Herring (Arm)
2025-12-11 5:02 ` Krzysztof Kozlowski
2025-12-12 0:23 ` Richard Acayan
2025-12-11 5:05 ` Krzysztof Kozlowski
2025-12-16 0:18 ` Richard Acayan
2025-12-11 9:35 ` Vladimir Zapolskiy
2025-12-11 11:02 ` Vladimir Zapolskiy
2025-12-13 21:50 ` Richard Acayan
2025-12-13 21:52 ` Richard Acayan
2025-12-11 1:48 ` [PATCH v4 2/5] media: i2c: imx355: Support devicetree and power management Richard Acayan
2025-12-11 9:37 ` David Heidelberg
2025-12-11 11:00 ` Vladimir Zapolskiy
2025-12-12 1:43 ` Krzysztof Kozlowski
2025-12-12 1:45 ` Krzysztof Kozlowski
2025-12-30 2:15 ` Richard Acayan
2025-12-12 1:49 ` Bryan O'Donoghue
2025-12-11 1:48 ` [PATCH v4 3/5] arm64: dts: qcom: sdm670: remove camss endpoint nodes Richard Acayan
2025-12-11 10:46 ` Vladimir Zapolskiy
2025-12-12 1:39 ` Bryan O'Donoghue
2025-12-11 1:48 ` [PATCH v4 4/5] arm64: dts: qcom: sdm670: add camera mclk pins Richard Acayan
2025-12-11 10:47 ` Vladimir Zapolskiy
2025-12-12 1:40 ` Bryan O'Donoghue
2025-12-13 11:01 ` David Heidelberg
2025-12-17 12:56 ` Konrad Dybcio
2025-12-11 1:48 ` [PATCH v4 5/5] arm64: dts: qcom: sdm670-google-sargo: add imx355 front camera Richard Acayan
2025-12-11 5:16 ` Dmitry Baryshkov
2025-12-12 0:41 ` Richard Acayan
2025-12-12 1:45 ` Bryan O'Donoghue
2025-12-12 2:19 ` Richard Acayan
2025-12-12 2:20 ` Bryan O'Donoghue
2025-12-12 19:22 ` Dmitry Baryshkov
2025-12-16 13:56 ` Konrad Dybcio
2025-12-16 14:31 ` Vladimir Zapolskiy
2025-12-16 14:41 ` Konrad Dybcio
2025-12-16 15:23 ` Vladimir Zapolskiy
2025-12-17 1:41 ` Richard Acayan
2025-12-17 3:11 ` Vladimir Zapolskiy
2025-12-30 2:29 ` Richard Acayan [this message]
2025-12-11 10:49 ` Vladimir Zapolskiy
2025-12-12 22:41 ` David Heidelberg
2025-12-17 12:01 ` Konrad Dybcio
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