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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: linux-clk@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-ORIG-GUID: _-mGBG0AMplQt6atAV8WH2kHC3IcgUxH X-Proofpoint-GUID: _-mGBG0AMplQt6atAV8WH2kHC3IcgUxH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA5MDA5NCBTYWx0ZWRfX5Lh3uy/U5MYD 6mNUvkjovOdzAzgdXV7dicO2VwX0g7skSyRsGBodN5YBaBNOJiBcRQds2hr/aOHGW3mqL22BVbg wopLKm+CabbTyb07qcM+oeSExIIsr8bdtDSHP9y3ixD6AeGLdOskJo/FyBrFs09E3Me/pJRdSol bflRYvLnYbyq5WGAhgOtFMyAyYYdQVcXqUCx3fu94XHWulKZpA1cInp4LoP4zVemjtOfCdusNK+ gBHf9HIpDDv5sWDSf0U6UnvzFe5rOD0r04ndUCR1tBdIaAxR6H1Z0qjBf+5/67+Md6+ymviAbi5 O8Z5sAigL9B3uzgIX3HwCPwk4VIXB6BHfJVjN5J3RHgwTX+rQl7k62RvR9o/mJAnFIxNIVciVuK ugJUq0CH/Pl1x3KeuuuULO2TJWtL44hnj/jN1N38Kfv0QpMxDlFWJnOLPH4R86z7ft3UWBakpjS bkzJoKOarIxTwe8Z+TA== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA5MDA5NCBTYWx0ZWRfX2/UTH+xfYXYf ao77ekmqwjE2ENzLf01bSlLiGyCEwNciYfM+UM9XGvnqTZI0phsWIiJvvANaLwWdCcGffCyIffl UhA/Ik09DbCiMSXNQVH8DKjiGmlcsrw= X-Authority-Analysis: v=2.4 cv=f/p4wuyM c=1 sm=1 tr=0 ts=6aa11a21 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=IoEm9MQS1YtAEnOBX-UA:9 a=CjuIK1q_8ugA:10 a=1OuFwYUASf3TG4hYMiVC: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 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 spamscore=0 suspectscore=0 adultscore=0 malwarescore=0 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