From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@kernel.org>
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>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Dmitry Osipenko <digetx@gmail.com>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org,
Aaron Kling <webgeek1234@gmail.com>
Subject: [PATCH v2 3/8] dt-bindings: memory: tegra210: emc: Document OPP table and interconnect
Date: Wed, 03 Sep 2025 14:50:09 -0500 [thread overview]
Message-ID: <20250903-t210-actmon-v2-3-e0d534d4f8ea@gmail.com> (raw)
In-Reply-To: <20250903-t210-actmon-v2-0-e0d534d4f8ea@gmail.com>
From: Aaron Kling <webgeek1234@gmail.com>
These are needed for dynamic frequency scaling of the EMC controller.
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
.../bindings/memory-controllers/nvidia,tegra210-emc.yaml | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
index bc8477e7ab193b7880bb681037985f3fccebf02f..6cc1c7fc7a328bd18c7c0beb535c1ff918bcdb2a 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
@@ -33,6 +33,9 @@ properties:
items:
- description: EMC general interrupt
+ "#interconnect-cells":
+ const: 0
+
memory-region:
maxItems: 1
description:
@@ -44,12 +47,19 @@ properties:
description:
phandle of the memory controller node
+ operating-points-v2:
+ description:
+ Should contain freqs and voltages and opp-supported-hw property, which
+ is a bitfield indicating SoC speedo ID mask.
+
required:
- compatible
- reg
- clocks
- clock-names
+ - "#interconnect-cells"
- nvidia,memory-controller
+ - operating-points-v2
additionalProperties: false
@@ -79,4 +89,7 @@ examples:
interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
memory-region = <&emc_table>;
nvidia,memory-controller = <&mc>;
+ operating-points-v2 = <&dvfs_opp_table>;
+
+ #interconnect-cells = <0>;
};
--
2.50.1
next prev parent reply other threads:[~2025-09-03 19:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-03 19:50 [PATCH v2 0/8] Support Tegra210 actmon for dynamic EMC scaling Aaron Kling via B4 Relay
2025-09-03 19:50 ` [PATCH v2 1/8] dt-bindings: memory: tegra210: Add memory client IDs Aaron Kling via B4 Relay
2025-09-04 8:20 ` Krzysztof Kozlowski
2025-09-04 17:33 ` Aaron Kling
2025-09-03 19:50 ` [PATCH v2 2/8] dt-bindings: devfreq: tegra30-actmon: Add Tegra124 fallback for Tegra210 Aaron Kling via B4 Relay
2025-09-04 8:09 ` Krzysztof Kozlowski
2025-09-03 19:50 ` Aaron Kling via B4 Relay [this message]
2025-09-04 8:11 ` [PATCH v2 3/8] dt-bindings: memory: tegra210: emc: Document OPP table and interconnect Krzysztof Kozlowski
2025-09-03 19:50 ` [PATCH v2 4/8] soc: tegra: fuse: speedo-tegra210: Add soc speedo 2 Aaron Kling via B4 Relay
2025-09-03 19:50 ` [PATCH v2 5/8] memory: tegra210: Support interconnect framework Aaron Kling via B4 Relay
2025-09-04 8:17 ` Krzysztof Kozlowski
2025-09-04 17:28 ` Aaron Kling
2025-09-03 19:50 ` [PATCH v2 6/8] arm64: tegra: tegra210: Add actmon Aaron Kling via B4 Relay
2025-09-03 19:50 ` [PATCH v2 7/8] arm64: tegra: Add interconnect properties to Tegra210 device-tree Aaron Kling via B4 Relay
2025-09-03 19:50 ` [PATCH v2 8/8] arm64: tegra: Add OPP tables on Tegra210 Aaron Kling via B4 Relay
2025-09-04 8:08 ` [PATCH v2 0/8] Support Tegra210 actmon for dynamic EMC scaling Krzysztof Kozlowski
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