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Date: Thu, 17 Sep 2026 10:31:20 +0200
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Abel Vesa <abel.vesa@oss.qualcomm.com>
Cc: Bjorn Andersson <andersson@kernel.org>, 
	Abel Vesa <abelvesa@kernel.org>, Stephen Boyd <sboyd@kernel.org>, 
	Brian Masney <bmasney+clk@redhat.com>, Jerome Brunet <jbrunet+clk@baylibre.com>, 
	Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, 
	Conor Dooley <conor+dt@kernel.org>, Taniya Das <taniya.das@oss.qualcomm.com>, 
	Vinod Koul <vkoul@kernel.org>, Jingyi Wang <jingyi.wang@oss.qualcomm.com>, 
	Ajit Pandey <quic_ajipan@quicinc.com>, Konrad Dybcio <konradybcio@kernel.org>, 
	Imran Shaik <quic_imrashai@quicinc.com>, Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>, 
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>, Tengfei Fan <tengfei.fan@oss.qualcomm.com>, 
	linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 09/52] dt-bindings: clock: qcom: sm8750-gcc: Add CX
 power domain
Message-ID: <20260917-spry-controversial-snail-bb62ea@quoll>
References: <20260914-qcom-tie-cx-to-gcc-v4-0-9d5a606ada33@oss.qualcomm.com>
 <20260914-qcom-tie-cx-to-gcc-v4-9-9d5a606ada33@oss.qualcomm.com>
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In-Reply-To: <20260914-qcom-tie-cx-to-gcc-v4-9-9d5a606ada33@oss.qualcomm.com>

On Mon, Sep 14, 2026 at 03:47:08PM +0300, Abel Vesa wrote:
> The GDSCs provided by the SM8750 and Kaanapali GCCs are supplied by the
> RPMh CX power domain. Model that parent domain in the GCC binding so the
> provider can describe the dependency in devicetree.
> 
> Add a single CX power-domain entry to the binding and make it required.
> Without this dependency, GCC GDSC consumers cannot vote for CX and RPMh may
> undervolt it.
> 
> Fixes: 342d2a607450 ("dt-bindings: clock: qcom: Add Kaanapali Global clock controller")
> Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
> ---
>  Documentation/devicetree/bindings/clock/qcom,sm8750-gcc.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof