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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-clk@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: AW1haW4tMjYwOTE1MDEzMiBTYWx0ZWRfX57YjUvBUQrFd QWiTbWd9ieYBKB74vzreShz9fo22Tb3JDr8KNw96v+SnzPrvqP+/sELbtF3n/ACaxBP0z4IxiNi dhRrwz0vZvTofj/bT9i3UApzVIDiqEn9LFo5dOsdbYgcWtTPAwMJ6QEcErPfLIrjHllNirAmotw MR1bl3e3m2P0JY8bsXsn2FRtZKebGmvQEhRdm9CVdmjH2yWoO1CTiqWEjoXQ02HX3ub147B28Bg AE8uDyDExGMKhd5bowIW1BscDpJUNJGpxCV7TiQSQLy+RoDF2teR6ijLqnrMXAV3lbK64Q6gtzL wKui/B9goptaUpDLejLe1HLuqN7yQHvDO2zGjy40A+6aGhHkJLEl6kc79mm6JEpVzLnQPgapsNm K0YZBmT++EkundHboFc7nr4C2/PdH73nSRwellqtr9xTb3okbStIXVtQ8gu8AFJV3Cgf7Sv+3rE NJq5JPh2r+dK+txyfNw== X-Proofpoint-GUID: bTeEcRBzmAng9YJtEbCyGDj6wLhAGEC1 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE1MDEzMiBTYWx0ZWRfX+EJhZeDW4wPb MxRhVKI/QWtzsKHOizcS8EZdmvcxsK245srhgUqN0L17/XyyVFQXXyJamGrxTxloPX+65yRpZVZ GreNUGAWm4vqF3UJYdRN2is1gdcdo1s= X-Authority-Analysis: v=2.4 cv=fck4WEQF c=1 sm=1 tr=0 ts=6aa90cb7 cx=c_pps a=4ztaESFFfuz8Af0l9swBwA==:117 a=ZurMxzgV9Xw1nvs9fmaK6w==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=3nyXIwnAc1TS01hV9xEA:9 a=QEXdDO2ut3YA:10 a=TPnrazJqx2CeVZ-ItzZ-:22 X-Proofpoint-ORIG-GUID: bTeEcRBzmAng9YJtEbCyGDj6wLhAGEC1 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 suspectscore=0 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 priorityscore=1501 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