[PATCH v2 5/8] arm64: dts: qcom: Add GPU support for Kaanapali

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Mon Jul 6 02:37:56 PDT 2026


On 7/5/26 10:00 AM, Akhil P Oommen wrote:
> Adreno 840 present in Kaanapali SoC is the second generation GPU in
> A8x family. It is based on the new slice architecture with 3 slices,
> higher GMEM/caches etc.
> 
> There is some re-arrangement in the reglist to properly cover maximum
> register region. Other than this, the DT description is mostly similar
> to the existing chipsets except the OPP tables.
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> Signed-off-by: Akhil P Oommen <akhilpo at oss.qualcomm.com>
> ---

[...]

> +			qcom,gmu = <&gmu>;
> +			#cooling-cells = <2>;
> +
> +			nvmem-cells = <&gpu_speed_bin>;
> +			nvmem-cell-names = "speed_bin";

This looks good to me, but I thought that on a8x, we're supposed to use
the freq limiting register in CX_MISC - is either of them preferred?
Or are they just hardwired to the same thing by chance

Konrad



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