Re: [PATCH v2 5/8] arm64: dts: qcom: lemans: Enable CDSP cooling
From: Dmitry Baryshkov
Date: Wed Jan 28 2026 - 19:43:48 EST
On Tue, Jan 27, 2026 at 09:27:19PM +0530, Gaurav Kohli wrote:
> Unlike the CPU, the CDSP does not throttle its speed automatically
> when it reaches high temperatures in Lemans.
>
> Set up CDSP cooling by throttling the cdsp when it reaches 105°C.
>
> Signed-off-by: Gaurav Kohli <gaurav.kohli@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/lemans.dtsi | 138 ++++++++++++++++++++++++---
> 1 file changed, 126 insertions(+), 12 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 808827b83553..c747dd534caa 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -7281,6 +7281,15 @@ compute-cb@11 {
> };
> };
> };
> +
> + cooling {
> + compatible = "qcom,qmi-cooling-cdsp";
> +
> + cdsp_tmd0: cdsp-tmd0 {
This question was already raised. Are there more than one cooling device
for the DSP? If not, drop the subnodes.
> + label = "cdsp_sw";
> + #cooling-cells = <2>;
> + };
> + };
> };
>
> nspb_noc: interconnect@2a0c0000 {
--
With best wishes
Dmitry