Messages in this thread Patch in this message | | | From | Thierry Reding <> | Subject | [PATCH 5/5] dt-bindings: memory: tegra210: Mark EMC as cooling device | Date | Fri, 17 Dec 2021 17:59:19 +0100 |
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From: Thierry Reding <treding@nvidia.com>
The external memory controller found on Tegra210 can use throttling of the EMC frequency in order to reduce the memory chip temperature. Mark the memory controller as a cooling device to take advantage of this functionality.
Signed-off-by: Thierry Reding <treding@nvidia.com> --- .../bindings/memory-controllers/nvidia,tegra210-emc.yaml | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml index bc8477e7ab19..95c14deb8941 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml @@ -44,6 +44,11 @@ properties: description: phandle of the memory controller node +allOf: + - $ref: ../thermal/thermal-cooling-devices.yaml + +unevaluatedProperties: false + required: - compatible - reg @@ -51,8 +56,6 @@ required: - clock-names - nvidia,memory-controller -additionalProperties: false - examples: - | #include <dt-bindings/clock/tegra210-car.h> @@ -79,4 +82,5 @@ examples: interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>; memory-region = <&emc_table>; nvidia,memory-controller = <&mc>; + #cooling-cells = <2>; }; -- 2.34.1
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