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Thu, 15 Oct 2026 00:15:55 -0700 (PDT) X-Received: by 2002:a17:90a:da85:b0:3ac:1c76:61c3 with SMTP id 98e67ed59e1d1-3ac1c767e3fmr8191833a91.27.1792048555149; Thu, 15 Oct 2026 00:15:55 -0700 (PDT) Received: from [10.217.216.28] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ac92a43d98sm1617534a91.0.2026.10.15.00.15.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Oct 2026 00:15:54 -0700 (PDT) Message-ID: Date: Thu, 15 Oct 2026 12:45:48 +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 1/5] dt-bindings: clock: qcom: Add bindings for PDM GP_MN clock divider To: Konrad Dybcio , Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Richard Cochran , Konrad Dybcio Cc: Ajit Pandey , Imran Shaik , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org References: <20260602-pdm_clk_gp_mnd_v1-v1-0-1522662b6c53@oss.qualcomm.com> <20260602-pdm_clk_gp_mnd_v1-v1-1-1522662b6c53@oss.qualcomm.com> Content-Language: en-US From: Taniya Das In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE1MDAyOCBTYWx0ZWRfX8WDsw/XSTnTj RxfKcF1TsPViu/Qz7sBEigMttzLCEfe/JFDmmuzHQ3S1y/6OyyHKfqsFG0Xrnoh2ka5FqZP3YVx fgg14fXw8S+Xy/K0t1HfXhEKjRt+i4Prt+g0QfwEQDcUbIjN5ch/fD0U96QvyArpbqgadK3Yb70 CGwsthmmJHqWJ070Dks9Aomcys/kH1QYOXGXzH2gn79gt/7mpZhTqWhMMCr50MXLhT0W2cU1jXS 6usmK8WUS7f8syZI862eM7GMh2MogrJ0wx1bxpvogGnkRxXrWCA6S0lRIAbUL2gI1JgITrNWSFq 76mFIUi+DHkM2RWL32yOnKzwsLlf2B14b2moVUi23pK9QL0CB/j5KmkHQff+Vg/Fi4+M6HmLQOY ucuQsP+mzDCb9hxGtDI7mBSjYHIIJxpov2intn0U8lJbYYUuI9WuJ+519O8Vy0qWZC4AhFheoc6 BtuuTvf8ADJrc1QEf1g== X-Proofpoint-GUID: RdRoVv6joHI1Y8v3FBRzBP7cUi4sUtTE X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE1MDAyOCBTYWx0ZWRfX7QJT8kcftJ5w f7OBu0AJ8/oRkkxsGn/fQS3hE9eqzubZD21Ifnkw/LV7qClqFjHejMldj5vE8sIFgrZJ0U5P0ZE /bjz2VIFOWOzVUFO7jjCttszbZRV+0s= X-Proofpoint-ORIG-GUID: RdRoVv6joHI1Y8v3FBRzBP7cUi4sUtTE X-Authority-Analysis: v=2.4 cv=V/noQuni c=1 sm=1 tr=0 ts=6ad07dac cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=GSbrFnjROjb0KAz-EnMA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 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=2026-10-13_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 adultscore=0 clxscore=1015 phishscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610150028 On 6/9/2026 6:54 PM, Konrad Dybcio wrote: > On 6/2/26 5:21 PM, Taniya Das wrote: >> Add device tree bindings for the Qualcomm Peripheral Web's PDM GP_MN >> clock divider. The hardware generates a fractional output frequency >> from a fixed input clock (typically TCXO4) using the relation >> Fout = Fin * (M / N), with duty cycle controlled by a separate D >> register. The clock output is routed over a gpio controlled pin. >> >> Signed-off-by: Taniya Das >> --- > > [...] > >> + #include >> + gp_mn: clock-controller@88d3000 { >> + compatible = "qcom,clk-gp-mnd"; > > The compatible must be SoC-specific, looking at the table, we could > use these example socs for the versions of this block: > > 8960 (v1.0.0) > 8974 (v1.1.1) > 8994 (v2.1.0) > 8996 (v2.2.0) > Apologies for the late response. The GP_MND block does not have any functional differences across the supported SoCs. To reflect this, the DT binding will use a SoC-specific compatible followed by a generic fallback compatible that represents the common GP_MND implementation. compatible = "qcom,sc7280-gp-mnd", "qcom,gp-mnd"; >> + reg = <0x88d3000 0xc>; > > Let's map the entire 0x4000 that this block spans > This region support 2 or 3 different blocks of HW and they have different functionalities and for which I am going to add the driver support. What I can do is map 0x88d3000 size - 0x1000. Please let me know your comments. -- Thanks, Taniya Das