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Tue, 15 Sep 2026 02:15:35 -0700 (PDT) X-Received: by 2002:a05:6808:4fc6:b0:4c3:b3e:4e72 with SMTP id 5614622812f47-4c7b37d8de2mr4884074b6e.12.1789463734770; Tue, 15 Sep 2026 02:15:34 -0700 (PDT) Received: from [192.168.0.195] ([124.123.194.25]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4c85a621db0sm3015261b6e.6.2026.09.15.02.15.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Sep 2026 02:15:34 -0700 (PDT) Message-ID: Date: Tue, 15 Sep 2026 14:45:20 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 13/52] dt-bindings: clock: qcom: qdu1000-gcc: Add CX power domain To: Abel Vesa , Bjorn Andersson , Abel Vesa , Stephen Boyd , Brian Masney , Jerome Brunet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Jingyi Wang , Ajit Pandey , Konrad Dybcio , Imran Shaik , Konrad Dybcio , Dmitry Baryshkov , Tengfei Fan Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski References: <20260914-qcom-tie-cx-to-gcc-v4-0-9d5a606ada33@oss.qualcomm.com> <20260914-qcom-tie-cx-to-gcc-v4-13-9d5a606ada33@oss.qualcomm.com> Content-Language: en-US From: Taniya Das In-Reply-To: <20260914-qcom-tie-cx-to-gcc-v4-13-9d5a606ada33@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE1MDEzMiBTYWx0ZWRfX4pn6Mpb8+Mf7 6+P3k9PYNNDqVogTWd/ffhC6zYZOjohxihoF+XgM0XaTaEVuEwIPWyfKBmO2KO5DKFLR3YwJ5Kb g5b7o1nIwv2WZYhY2NVrzAYNRmJ5y7wkQXuwSKMLD6eSQBnYNFIS/wKeZkzRZwZfE8TdFJIF2Bb 9lBqanAwh/oUox6n8d5PJX80nDyuKWmVvItK97QZUUQaD25QPXV5xjAEpSZpUP4VD+26kQdkTKh wEOcjUX+cVddz7qW6l6D1SIjMZrzRQO23NsBONenMk4+3+1/B3VFbAMLc7Vq5+jsSF7YOcSZ1Ii 7hnbp1VkgXMweLbgktOqyOkTsUFDMgC7vooFqe4XtrRPyjMfo7DfqLRw3VxQwL738pSmfxRrdy2 rLB+67JNc2eUSuuEHSH8UdsCARBewc0j/Q0+n7J6uVl+a7/J71oS5Tur+jD9vVMgbvrhwmZoYlc 2QBEhG1TLJpIvvw1o/g== X-Proofpoint-ORIG-GUID: A0nUEodYzKa5JSVRAq90AxtBNnTvhfVi X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE1MDEzMiBTYWx0ZWRfXx0gBuc3nSCoP Hy920x7nKYzNhRetMqpYmAdreKM8rfYNuP8bsgxGb1aMkLEYBI2b6GdEmYgB4MrLZGS8NAPxDuf neP2/cPUMtx8eePcxg3fbl2UiEN/tCk= X-Proofpoint-GUID: A0nUEodYzKa5JSVRAq90AxtBNnTvhfVi X-Authority-Analysis: v=2.4 cv=QYLzLcbv c=1 sm=1 tr=0 ts=6aa90cbc cx=c_pps a=yymyAM/LQ7lj/HqAiIiKTw==:117 a=ZurMxzgV9Xw1nvs9fmaK6w==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=3nyXIwnAc1TS01hV9xEA:9 a=QEXdDO2ut3YA:10 a=efpaJB4zofY2dbm2aIRb:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-15_02,2026-09-14_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609150132 On 9/14/2026 6:17 PM, Abel Vesa wrote: > The GDSCs provided by the QDU1000 GCC 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. This is a always powered device and the minimum Operating level for this target is NOMINAL and does not scale any further down. This target does not follow our regular PMIC for the CX rail. It is better to drop this target. -- Thanks, Taniya Das