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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-83965945101sm7346557b3a.13.2026.05.06.23.23.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2026 23:23:36 -0700 (PDT) From: Sibi Sankar To: cristian.marussi@arm.com, sudeep.holla@kernel.org, cw00.choi@samsung.com, kyungmin.park@samsung.com, myungjoo.ham@samsung.com, konradybcio@kernel.org, andersson@kernel.org Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, arm-scmi@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, dmitry.baryshkov@oss.qualcomm.com, jonathanh@nvidia.com, thierry.reding@kernel.org, digetx@gmail.com, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org Subject: [RFC V6 7/8] arm64: dts: qcom: glymur: Enable LLCC/DDR/DDR_QOS dvfs Date: Thu, 7 May 2026 11:52:36 +0530 Message-Id: <20260507062237.78051-8-sibi.sankar@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260507062237.78051-1-sibi.sankar@oss.qualcomm.com> References: <20260507062237.78051-1-sibi.sankar@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA3MDA2MCBTYWx0ZWRfXzB7sVH/bG8ji WwFIjpTp9ORyAJrA/HAASFjXeD+9yEA3DNQpSeXGdX5DfBAo6MSyulekgLOkHe2dHioODB4uHav PNYutpclK1fTJ97TV04Ql99nldF/PMAOghFNroBnWW42kVYbOXQ9/DgGBmR0BSXveIzXFfHbW/a OzzYEvlWcpqiVYgODKVRB3Ak6282BS2YsvV11uSaHT6t5EExUpAyZpFPhFHkRHgcpHntwdlUz7X m4akfv7ikAm54h4T9k94Wx5Y+jrpiZZZ36rM5eVu71PIJZNr8OkGI+pohZrclMyLChBHsZBojED EULorkaopiSr5BfxGee/OI6nAmHjeBIh+l++7SNDlbOpkOt2DgTWTJf0/2I8RsFPf6dScUSPVmn eXJe/YBHAqSRRWuORhLsQim0mfYp5dF0L4xJZchIZfndeX5U+02XH30byjEXcYVyzcp0N26bM5n divA55ctPuNU5NcU/Mw== X-Proofpoint-GUID: z1J29uzeF9g5jM-O0qzVCKQGeRRYqwRv X-Proofpoint-ORIG-GUID: z1J29uzeF9g5jM-O0qzVCKQGeRRYqwRv X-Authority-Analysis: v=2.4 cv=K4IS2SWI c=1 sm=1 tr=0 ts=69fc2fe9 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=GY6npCAvCrdgt1im_sIA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-06_02,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605070060 On Qualcomm Glymur SoCs, the memlat governor and the mechanism to control the LLCC and DDR/DDR_QOS is hosted on the CPU Control Processor (CPUCP). Enable the nodes required to get QCOM SCMI Generic Extension protocol to probe on Glymur and Mahua SoCs. Signed-off-by: Sibi Sankar --- arch/arm64/boot/dts/qcom/glymur.dtsi | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi index f23cf81ddb77..6409350ad9d7 100644 --- a/arch/arm64/boot/dts/qcom/glymur.dtsi +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi @@ -349,6 +349,21 @@ scm: scm { &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; }; + cpucp_scmi { + compatible = "arm,scmi"; + mboxes = <&cpucp_mbox 0>, <&cpucp_mbox 2>; + + mbox-names = "tx", "rx"; + shmem = <&cpucp_scp_lpri0>, <&cpucp_scp_lpri1>; + + #address-cells = <1>; + #size-cells = <0>; + + scmi_vendor: protocol@80 { + reg = <0x80>; + }; + }; + scmi { compatible = "arm,scmi"; mboxes = <&pdp0_mbox 0>, <&pdp0_mbox 1>; @@ -5675,6 +5690,13 @@ pdp0_mbox: mailbox@17610000 { #mbox-cells = <1>; }; + cpucp_mbox: mailbox@17620000 { + compatible = "qcom,glymur-cpucp-mbox", "qcom,x1e80100-cpucp-mbox"; + reg = <0 0x17620000 0 0x8000>, <0 0x18830000 0 0x8000>; + interrupts = ; + #mbox-cells = <1>; + }; + timer@17810000 { compatible = "arm,armv7-timer-mem"; reg = <0x0 0x17810000 0x0 0x1000>; @@ -5859,6 +5881,26 @@ rpmhpd_opp_turbo_l1: opp-416 { }; }; + cpucp_sram: sram@18b4e000 { + compatible = "mmio-sram"; + reg = <0x0 0x18b4e000 0x0 0x400>; + + #address-cells = <1>; + #size-cells = <1>; + + ranges = <0x0 0x0 0x18b4e000 0x400>; + + cpucp_scp_lpri0: scp-sram-section@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x200>; + }; + + cpucp_scp_lpri1: scp-sram-section@200 { + compatible = "arm,scmi-shmem"; + reg = <0x200 0x200>; + }; + }; + nsi_noc: interconnect@1d600000 { compatible = "qcom,glymur-nsinoc"; reg = <0x0 0x1d600000 0x0 0x14080>; -- 2.34.1