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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3339befe870sm47133770eec.30.2026.09.09.01.34.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2026 01:34:40 -0700 (PDT) Date: Wed, 9 Sep 2026 16:34:34 +0800 From: Shawn Guo To: Taniya Das Cc: Bjorn Andersson , Stephen Boyd , Brian Masney , Jerome Brunet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ajit Pandey , Imran Shaik , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH 0/3] clk: qcom: Add Nord DPRX clock controller support Message-ID: References: <20260907-nords_dprx-v1-0-d472af3f01b1@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260907-nords_dprx-v1-0-d472af3f01b1@oss.qualcomm.com> X-Proofpoint-GUID: Rj2yBU0_OJZsC13M7Vn4P1gG-okBArvO X-Proofpoint-ORIG-GUID: Rj2yBU0_OJZsC13M7Vn4P1gG-okBArvO X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA5MDA5NCBTYWx0ZWRfXxhKYdcVd2Hsp AR4PgywLTaj0wHbLOyybbXIBLyHxy+SC9cLj700V6gDbbLWcmTwSFKpfrSDk+TOaBYwWnmnLc6Y Jhs0GvQNzEoCxQBuawNVnP2X1pJMJHFzyNnQn3cKczKn7327oVDgBVIFt/N6WGT3FymTzgnSBUo NOlpJNsoulk6iPxsA9uzezOWr+pm9ocE+LPlN4WzJsZphhVo4lcwZ/R4RNmWU5YdH995vkf75XR XoWJ889ToDLsRhxZlEevMy5kpbzFYdoT9duAebeDsWDTDAB6njx+PNCVsEPgsYqfKC+ibpsy6mC Opvg5mJbGp9E2U8x06Sxv4fYtet26hvRtD/GKaueG+QszqV+DlWwO79kpfJ9TpK4BeDOrR4a2Nb T+tkUX4pcuLP6O4Y8l1gAekcUll8868moSsYkx3VlaTHtwSTkNCw/QiNE2SARQZI8/XAmLb6O6d zNov1v7/TqzCxDIAPkQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA5MDA5NCBTYWx0ZWRfX5OIWc1WndCNB JWS3TE4/OtuvOUp6EXXKXbcPMOJ2tMy14rz52LSG+xniWi3STC0lITkluudtjGn3yZrMOPt5+l9 vVOpQVDwZIGmLce7XJzvsYoZUWkj1CU= X-Authority-Analysis: v=2.4 cv=DcInbPtW c=1 sm=1 tr=0 ts=6aa11a21 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=IoEm9MQS1YtAEnOBX-UA:9 a=CjuIK1q_8ugA:10 a=324X-CrmTo6CU4MGRt3R: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=2026-09-08_03,2026-09-08_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 suspectscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 spamscore=0 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609090094 On Mon, Sep 07, 2026 at 01:56:12PM +0530, Taniya Das wrote: > Add support for the DisplayPort Receiver (DPRX) clock controllers found > on Qualcomm Nord devices. There are two identical DPRX clock controller > instances (DPRX0 and DPRX1), each providing clocks for the DPRX core, > audio, AHB and video memory paths, along with their core PLLs. > > The DPRX PLLs are ZONDA_OLE instances whose PLL_ALPHA_VAL register has > been widened to 28 bits to carry the fractional word at a finer > resolution. The existing alpha-PLL core derives the ALPHA_VAL width > solely from the register-map layout and can only express 16 or 40 bits, > so the first patch adds an optional per-PLL alpha_width override that, > when set, feeds the recalc_rate/round_rate scaling and the Zonda > set_rate L-adjust MSB check. This is a prerequisite for the DPRX PLLs to > lock to and report the correct rate. > > The series is organised as follows: > > - Patch 1 - alpha-PLL 28-bit ALPHA_VAL width. > - Patch 2 - documents the Nord DPRX clock controller device tree > bindings. > - Patch 3 - adds the two DPRX clock controller drivers. > > Signed-off-by: Taniya Das > --- > Taniya Das (3): > clk: qcom: clk-alpha-pll: support a 28-bit ALPHA_VAL width > dt-bindings: clock: qcom: document the Nord DPRX Clock Controller > clk: qcom: dprxcc: Add Nord DPRX clock controller support Hi Taniya, May I ask to be copied on all Nord patches? Thanks! Shawn