On Fri, Dec 17, 2021 at 05:59:19PM +0100, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > 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@xxxxxxxxxx> > --- > .../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 /schemas/thermal/... With that, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + > +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 > >
