Devicetree
 help / color / mirror / Atom feed
From: "Rob Herring (Arm)" <robh@kernel.org>
To: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Cc: linux-kernel@vger.kernel.org, Stephen Boyd <sboyd@kernel.org>,
	Bartosz Golaszewski <brgl@kernel.org>,
	Abel Vesa <abelvesa@kernel.org>,
	Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	linux-arm-msm@vger.kernel.org,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com>,
	linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
	Konrad Dybcio <konradybcio@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Jerome Brunet <jbrunet+clk@baylibre.com>,
	Brian Masney <bmasney+clk@redhat.com>,
	Taniya Das <taniya.das@oss.qualcomm.com>
Subject: Re: [PATCH v2 1/4] dt-bindings: clock: qcom,sm8450-videocc: Fix clock inputs for Glymur
Date: Thu, 8 Oct 2026 14:45:23 -0500	[thread overview]
Message-ID: <179148872289.890655.9478332445299082105.robh@kernel.org> (raw)
In-Reply-To: <20261008081036.3492003-2-shengchao.guo@oss.qualcomm.com>


On Thu, 08 Oct 2026 16:10:33 +0800, Shawn Guo wrote:
> The schema describes exactly two clock inputs for every compatible it
> covers, a board XO and a video AHB clock from GCC. That does not match
> the video clock controller found on Glymur, Nord and SM8750.
> 
> Per the hardware documentation, the controller on these SoCs has three
> clock inputs: the board XO, the always-on board XO that feeds its PLL
> reference, and the 32 kHz chip sleep clock that sources its sleep clock
> generator. It has no AHB clock input. The AHB clock the controller uses
> for itself is generated inside the block from the XO input.
> 
> Because the schema stops at two items, the sleep clock input cannot be
> described in device tree at all, and the second item is described as a
> clock that is not routed into the controller.
> 
> Describe three inputs for the Glymur, Nord and SM8750 compatibles and
> keep the existing two-input description for the remaining compatibles.
> 
> Assisted-by: LLM
> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
> ---
>  .../bindings/clock/qcom,sm8450-videocc.yaml   | 26 ++++++++++++++++---
>  1 file changed, 23 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>


  reply	other threads:[~2026-10-08 19:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-08  8:10 [PATCH v2 0/4] qcom: videocc: Fix sleep clock on Glymur/SM8750/Nord Shawn Guo
2026-10-08  8:10 ` [PATCH v2 1/4] dt-bindings: clock: qcom,sm8450-videocc: Fix clock inputs for Glymur Shawn Guo
2026-10-08 19:45   ` Rob Herring (Arm) [this message]
2026-10-08  8:10 ` [PATCH v2 2/4] arm64: dts: qcom: glymur: Add videocc sleep clock Shawn Guo
2026-10-09 17:57   ` Abel Vesa
2026-10-08  8:10 ` [PATCH v2 3/4] arm64: dts: qcom: sm8750: Fix videocc clock inputs Shawn Guo
2026-10-09 19:07   ` Abel Vesa
2026-10-08  8:10 ` [PATCH v2 4/4] arm64: dts: qcom: nord: " Shawn Guo
2026-10-09 19:07   ` Abel Vesa

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=179148872289.890655.9478332445299082105.robh@kernel.org \
    --to=robh@kernel.org \
    --cc=abelvesa@kernel.org \
    --cc=andersson@kernel.org \
    --cc=bmasney+clk@redhat.com \
    --cc=brgl@kernel.org \
    --cc=bryan.odonoghue@linaro.org \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=jagadeesh.kona@oss.qualcomm.com \
    --cc=jbrunet+clk@baylibre.com \
    --cc=konradybcio@kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sboyd@kernel.org \
    --cc=shengchao.guo@oss.qualcomm.com \
    --cc=taniya.das@oss.qualcomm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox