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From: Svyatoslav Ryhel <clamor95@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
	Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Peter De Schrijver <pdeschrijver@nvidia.com>,
	Prashant Gaikwad <pgaikwad@nvidia.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Svyatoslav Ryhel <clamor95@gmail.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Georgi Djakov <djakov@kernel.org>,
	Dmitry Osipenko <digetx@gmail.com>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org
Subject: [PATCH v1 9/9] ARM: tegra: Add EMC OPP and ICC properties to Tegra114 EMC and ACTMON device-tree nodes
Date: Tue, 25 Feb 2025 16:35:01 +0200	[thread overview]
Message-ID: <20250225143501.68966-10-clamor95@gmail.com> (raw)
In-Reply-To: <20250225143501.68966-1-clamor95@gmail.com>

Add EMC OPP tables and interconnect paths that will be used for
dynamic memory bandwidth scaling based on memory utilization statistics.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
 .../dts/nvidia/tegra114-peripherals-opp.dtsi  | 151 ++++++++++++++++++
 arch/arm/boot/dts/nvidia/tegra114.dtsi        |   9 ++
 2 files changed, 160 insertions(+)
 create mode 100644 arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi

diff --git a/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi b/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi
new file mode 100644
index 000000000000..1a0e68f22039
--- /dev/null
+++ b/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi
@@ -0,0 +1,151 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	emc_icc_dvfs_opp_table: opp-table-emc {
+		compatible = "operating-points-v2";
+
+		opp-12750000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <12750000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-20400000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <20400000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-40800000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <40800000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-68000000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <68000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-102000000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <102000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-204000000-900 {
+			opp-microvolt = <900000 900000 1390000>;
+			opp-hz = /bits/ 64 <204000000>;
+			opp-supported-hw = <0x000F>;
+			opp-suspend;
+		};
+
+		opp-312000000-1000 {
+			opp-microvolt = <1000000 1000000 1390000>;
+			opp-hz = /bits/ 64 <312000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-408000000-1000 {
+			opp-microvolt = <1000000 1000000 1390000>;
+			opp-hz = /bits/ 64 <408000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-528000000-1050 {
+			opp-microvolt = <1050000 1050000 1390000>;
+			opp-hz = /bits/ 64 <528000000>;
+			opp-supported-hw = <0x000E>;
+		};
+
+		opp-528000000-1100 {
+			opp-microvolt = <1100000 1100000 1390000>;
+			opp-hz = /bits/ 64 <528000000>;
+			opp-supported-hw = <0x0001>;
+		};
+
+		opp-624000000-1100 {
+			opp-microvolt = <1100000 1100000 1390000>;
+			opp-hz = /bits/ 64 <624000000>;
+			opp-supported-hw = <0x000F>;
+		};
+
+		opp-792000000-1100 {
+			opp-microvolt = <1100000 1100000 1390000>;
+			opp-hz = /bits/ 64 <792000000>;
+			opp-supported-hw = <0x000F>;
+		};
+	};
+
+	emc_bw_dfs_opp_table: opp-table-actmon {
+		compatible = "operating-points-v2";
+
+		opp-12750000 {
+			opp-hz = /bits/ 64 <12750000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <204000>;
+		};
+
+		opp-20400000 {
+			opp-hz = /bits/ 64 <20400000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <326400>;
+		};
+
+		opp-40800000 {
+			opp-hz = /bits/ 64 <40800000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <652800>;
+		};
+
+		opp-68000000 {
+			opp-hz = /bits/ 64 <68000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <1088000>;
+		};
+
+		opp-102000000 {
+			opp-hz = /bits/ 64 <102000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <1632000>;
+		};
+
+		opp-204000000 {
+			opp-hz = /bits/ 64 <204000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <3264000>;
+			opp-suspend;
+		};
+
+		opp-312000000 {
+			opp-hz = /bits/ 64 <312000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <4992000>;
+		};
+
+		opp-408000000 {
+			opp-hz = /bits/ 64 <408000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <6528000>;
+		};
+
+		opp-528000000 {
+			opp-hz = /bits/ 64 <528000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <8448000>;
+		};
+
+		opp-624000000 {
+			opp-hz = /bits/ 64 <624000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <9984000>;
+		};
+
+		opp-792000000 {
+			opp-hz = /bits/ 64 <792000000>;
+			opp-supported-hw = <0x000F>;
+			opp-peak-kBps = <12672000>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index caf6024d6413..341ec0962460 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -6,6 +6,8 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/soc/tegra-pmc.h>
 
+#include "tegra114-peripherals-opp.dtsi"
+
 / {
 	compatible = "nvidia,tegra114";
 	interrupt-parent = <&lic>;
@@ -257,6 +259,9 @@ actmon: actmon@6000c800 {
 		clock-names = "actmon", "emc";
 		resets = <&tegra_car TEGRA114_CLK_ACTMON>;
 		reset-names = "actmon";
+		operating-points-v2 = <&emc_bw_dfs_opp_table>;
+		interconnects = <&mc TEGRA114_MC_MPCORER &emc>;
+		interconnect-names = "cpu-read";
 	};
 
 	gpio: gpio@6000d000 {
@@ -588,6 +593,7 @@ mc: memory-controller@70019000 {
 
 		#reset-cells = <1>;
 		#iommu-cells = <1>;
+		#interconnect-cells = <1>;
 	};
 
 	emc: external-memory-controller@7001b000 {
@@ -598,6 +604,9 @@ emc: external-memory-controller@7001b000 {
 		clock-names = "emc";
 
 		nvidia,memory-controller = <&mc>;
+		operating-points-v2 = <&emc_icc_dvfs_opp_table>;
+
+		#interconnect-cells = <0>;
 	};
 
 	ahub@70080000 {
-- 
2.43.0


  parent reply	other threads:[~2025-02-25 14:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-25 14:34 [PATCH v1 0/9] Tegra114: implement EMC support Svyatoslav Ryhel
2025-02-25 14:34 ` [PATCH v1 1/9] ARM: tegra: Add ACTMON support on Tegra114 Svyatoslav Ryhel
2025-02-25 17:33   ` Krzysztof Kozlowski
2025-02-25 14:34 ` [PATCH v1 2/9] dt-bindings: memory: Document Tegra114 Memory Controller Svyatoslav Ryhel
2025-02-25 17:37   ` Krzysztof Kozlowski
2025-02-25 14:34 ` [PATCH v1 3/9] drivers: memory: tegra: implement EMEM regs and ICC ops for T114 Svyatoslav Ryhel
2025-02-25 14:34 ` [PATCH v1 4/9] dt-bindings: memory: tegra114: Add memory client IDs Svyatoslav Ryhel
2025-02-25 17:33   ` Krzysztof Kozlowski
2025-02-25 14:34 ` [PATCH v1 5/9] clk: tegra114: remove emc to mc clock mux Svyatoslav Ryhel
2025-02-25 14:34 ` [PATCH v1 6/9] dt-bindings: memory: Document Tegra114 External Memory Controller Svyatoslav Ryhel
2025-02-25 17:41   ` Krzysztof Kozlowski
2025-02-26 15:15   ` Rob Herring
2025-02-26 15:28     ` Svyatoslav Ryhel
2025-02-25 14:34 ` [PATCH v1 7/9] memory: tegra: Add Tegra114 EMC driver Svyatoslav Ryhel
2025-03-06 19:42   ` Dmitry Osipenko
2025-03-06 19:48     ` Svyatoslav Ryhel
2025-03-06 20:06       ` Dmitry Osipenko
2025-03-07  6:58         ` Svyatoslav Ryhel
2025-02-25 14:35 ` [PATCH v1 8/9] ARM: tegra: Add External Memory Controller node on Tegra114 Svyatoslav Ryhel
2025-02-25 14:35 ` Svyatoslav Ryhel [this message]
2025-02-26 15:42 ` [PATCH v1 0/9] Tegra114: implement EMC support Rob Herring (Arm)
2025-04-08  5:43 ` Svyatoslav Ryhel
2025-04-08  5:47   ` Krzysztof Kozlowski
2025-04-08  5:49     ` Svyatoslav Ryhel

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