{"id":2228616,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228616/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260427070312.81679-6-clamor95@gmail.com/","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/1.1/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260427070312.81679-6-clamor95@gmail.com>","date":"2026-04-27T07:03:10","name":"[v2,5/7] ARM: tegra: Add EMC OPP and ICC properties to Tegra114 EMC and ACTMON device-tree nodes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"86daa4bc8ba71adc400b3e67d00c67f4acbe9da4","submitter":{"id":84146,"url":"http://patchwork.ozlabs.org/api/1.1/people/84146/?format=json","name":"Svyatoslav Ryhel","email":"clamor95@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260427070312.81679-6-clamor95@gmail.com/mbox/","series":[{"id":501587,"url":"http://patchwork.ozlabs.org/api/1.1/series/501587/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=501587","date":"2026-04-27T07:03:06","name":"Tegra114: implement EMC support","version":2,"mbox":"http://patchwork.ozlabs.org/series/501587/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228616/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228616/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=EmgOdeC8;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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If there will\n+\t\t * be enough data that T40T can work reliably with 1050mV\n+\t\t * for 528MHz then voltage for 528MHz opp can be lowered.\n+\t\t * T40S should remain with 1100mV for 528MHz opp.\n+\t\t */\n+\t\topp-528000000-1100 {\n+\t\t\topp-microvolt = <1100000 1100000 1390000>;\n+\t\t\topp-hz = /bits/ 64 <528000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t};\n+\n+\t\topp-624000000-1100 {\n+\t\t\topp-microvolt = <1100000 1100000 1390000>;\n+\t\t\topp-hz = /bits/ 64 <624000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t};\n+\n+\t\topp-792000000-1100 {\n+\t\t\topp-microvolt = <1100000 1100000 1390000>;\n+\t\t\topp-hz = /bits/ 64 <792000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t};\n+\n+\t\topp-900000000-1200 {\n+\t\t\topp-microvolt = <1200000 1200000 1390000>;\n+\t\t\topp-hz = /bits/ 64 <900000000>;\n+\t\t\topp-supported-hw = <0x000E>;\n+\t\t};\n+\t};\n+\n+\temc_bw_dfs_opp_table: opp-table-actmon {\n+\t\tcompatible = \"operating-points-v2\";\n+\n+\t\topp-12750000 {\n+\t\t\topp-hz = /bits/ 64 <12750000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <204000>;\n+\t\t};\n+\n+\t\topp-20400000 {\n+\t\t\topp-hz = /bits/ 64 <20400000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <326400>;\n+\t\t};\n+\n+\t\topp-40800000 {\n+\t\t\topp-hz = /bits/ 64 <40800000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <652800>;\n+\t\t};\n+\n+\t\topp-68000000 {\n+\t\t\topp-hz = /bits/ 64 <68000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <1088000>;\n+\t\t};\n+\n+\t\topp-102000000 {\n+\t\t\topp-hz = /bits/ 64 <102000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <1632000>;\n+\t\t};\n+\n+\t\topp-204000000 {\n+\t\t\topp-hz = /bits/ 64 <204000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <3264000>;\n+\t\t\topp-suspend;\n+\t\t};\n+\n+\t\topp-312000000 {\n+\t\t\topp-hz = /bits/ 64 <312000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <4992000>;\n+\t\t};\n+\n+\t\topp-408000000 {\n+\t\t\topp-hz = /bits/ 64 <408000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <6528000>;\n+\t\t};\n+\n+\t\topp-528000000 {\n+\t\t\topp-hz = /bits/ 64 <528000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <8448000>;\n+\t\t};\n+\n+\t\topp-624000000 {\n+\t\t\topp-hz = /bits/ 64 <624000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <9984000>;\n+\t\t};\n+\n+\t\topp-792000000 {\n+\t\t\topp-hz = /bits/ 64 <792000000>;\n+\t\t\topp-supported-hw = <0x000F>;\n+\t\t\topp-peak-kBps = <12672000>;\n+\t\t};\n+\n+\t\topp-900000000 {\n+\t\t\topp-hz = /bits/ 64 <900000000>;\n+\t\t\topp-supported-hw = <0x000E>;\n+\t\t\topp-peak-kBps = <14400000>;\n+\t\t};\n+\t};\n+};\ndiff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi\nindex 7e8f90d33935..6c2b79b35938 100644\n--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi\n+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi\n@@ -8,6 +8,8 @@\n #include \n #include \n \n+#include \"tegra114-peripherals-opp.dtsi\"\n+\n / {\n \tcompatible = \"nvidia,tegra114\";\n \tinterrupt-parent = <&lic>;\n@@ -323,6 +325,9 @@ actmon: actmon@6000c800 {\n \t\tclock-names = \"actmon\", \"emc\";\n \t\tresets = <&tegra_car TEGRA114_CLK_ACTMON>;\n \t\treset-names = \"actmon\";\n+\t\toperating-points-v2 = <&emc_bw_dfs_opp_table>;\n+\t\tinterconnects = <&mc TEGRA114_MC_MPCORER &emc>;\n+\t\tinterconnect-names = \"cpu-read\";\n \t\t#cooling-cells = <2>;\n \t};\n \n@@ -655,6 +660,7 @@ mc: memory-controller@70019000 {\n \n \t\t#reset-cells = <1>;\n \t\t#iommu-cells = <1>;\n+\t\t#interconnect-cells = <1>;\n \t};\n \n \temc: external-memory-controller@7001b000 {\n@@ -665,6 +671,9 @@ emc: external-memory-controller@7001b000 {\n \t\tclock-names = \"emc\";\n \n \t\tnvidia,memory-controller = <&mc>;\n+\t\toperating-points-v2 = <&emc_icc_dvfs_opp_table>;\n+\n+\t\t#interconnect-cells = <0>;\n \t};\n \n \thda@70030000 {\n","prefixes":["v2","5/7"]}