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Mon, 22 Jun 2026 08:11:28 -0700 (PDT) X-Received: by 2002:a05:6a00:1745:b0:83f:2568:d466 with SMTP id d2e1a72fcca58-8456255d210mr11000469b3a.31.1782141087893; Mon, 22 Jun 2026 08:11:27 -0700 (PDT) Received: from [192.168.2.2] ([49.204.16.21]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84564eca7fcsm7906357b3a.52.2026.06.22.08.11.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Jun 2026 08:11:27 -0700 (PDT) Message-ID: <83a3fc03-f873-4bba-90a6-d8147ab64710@oss.qualcomm.com> Date: Mon, 22 Jun 2026 20:41:20 +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 v2 1/3] dt-bindings: power: limits: Describe Qualcomm SPEL hardware To: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J. Wysocki" , Bjorn Andersson , Konrad Dybcio , Daniel Lezcano Cc: Gaurav Kohli , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org References: <20260620-qcom_spel_driver_upstream-v2-0-a3ee6837c18f@oss.qualcomm.com> <20260620-qcom_spel_driver_upstream-v2-1-a3ee6837c18f@oss.qualcomm.com> <50d92653-b403-402d-af82-a037114c3aab@oss.qualcomm.com> Content-Language: en-US From: Manaf Meethalavalappu Pallikunhi In-Reply-To: <50d92653-b403-402d-af82-a037114c3aab@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIyMDE1MCBTYWx0ZWRfX7GdSMEzQ8SzG 6uazWn4bfB/2+S3Bxyau1NfydWtdhSZiD/3h5jfAtzI/X6elxYT6SfJVpA+rqwA/FB8Ay04DYGw 0FcLS8vXhzunrQFQnKNmIpQRkGZ996Q= X-Proofpoint-GUID: sJYTSOhN_x05U0cLdax3u-AztCI4DcCC X-Authority-Analysis: v=2.4 cv=UJ7t2ify c=1 sm=1 tr=0 ts=6a3950a1 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=V0wrQAR20Q1u/UIyJlYVXA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=ZBGX7F9o7YTsjpKyWPIA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIyMDE1MCBTYWx0ZWRfX7TVHQfjCzjC7 ZfK7ixeiWltiPgk2v4KRCZl1HcY3OyCZef4RCfR3BlRABSEOwFYLERGsfkeQ4w+DruU+ffq5OC0 +GzBqE+seHs9zOF+LXg5FzHcaE3Ol/jlQ2EfT7VeBGHR7wSlrRDXwYAyv/dYxErWu11NqVkdTEH Y9ZVeAV8JGllNrik26r8F1WE0h3UxSXK37fiRsFE6ZiDHur6SvhxOaqmSpu8TefyLF11IGyH3ch imh/sNKDC951BFEviImrVa1fzCLvmPk0WfGpAnvLU/wP7dKtJ8bH2gskLvPAbE0LNzMwKDA4z3Y 0Q3K/EuRyYoJzycw+ltTMVFuUKPc8VjQcf9/jmY0X71peTfAZsc1ZJ7oa1kJrIi3Ikm8vLuEBsc 2D39OB5mqu8uOsd3aXXL75ZDJK6hCwm3Fp3QYIHI4omcbyG7odXnaSrp+6+sgJHoVAJ1b9LHCQE Wv49+ck6mZXfx9qD61Q== X-Proofpoint-ORIG-GUID: sJYTSOhN_x05U0cLdax3u-AztCI4DcCC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-22_02,2026-06-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 malwarescore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606220150 Hi Konrad, On 6/22/2026 4:32 PM, Konrad Dybcio wrote: > On 6/19/26 10:39 PM, Manaf Meethalavalappu Pallikunhi wrote: >> The Qualcomm SoC Power and Electrical Limits (SPEL) provides hardware >> based power monitoring and limiting capabilities for various domains. >> >> Add a DeviceTree binding to describe the SPEL block on Qualcomm's SoC. >> >> Signed-off-by: Manaf Meethalavalappu Pallikunhi >> --- >> .../bindings/power/limits/qcom,spel.yaml | 47 ++++++++++++++++++++++ >> MAINTAINERS | 6 +++ >> 2 files changed, 53 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/power/limits/qcom,spel.yaml b/Documentation/devicetree/bindings/power/limits/qcom,spel.yaml >> new file mode 100644 >> index 000000000000..4c6e6cbfbfe4 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/power/limits/qcom,spel.yaml >> @@ -0,0 +1,47 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/power/limits/qcom,spel.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Qualcomm SoC Power and Electrical Limits (SPEL) >> + >> +maintainers: >> + - Manaf Meethalavalappu Pallikunhi >> + >> +description: >> + The Qualcomm SPEL (SoC Power and Electrical Limits) provides hardware-based >> + power monitoring and limiting capabilities for various power domains in >> + Qualcomm SoCs. >> + >> +properties: >> + compatible: >> + const: qcom,glymur-spel >> + >> + reg: >> + maxItems: 3 >> + >> + reg-names: >> + items: >> + - const: config >> + - const: constraints >> + - const: nodes >> + >> +required: >> + - compatible >> + - reg >> + - reg-names >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + power-limits@ef3b000 { >> + compatible = "qcom,glymur-spel"; >> + reg = <0x0ef3b000 0x1000>, >> + <0x0ef3d000 0x1000>, > > Don't we need the range inbetween these two (base=0xef3c000)? > No, it is consumed by firmware. Thanks, Manaf > Konrad