Re: [PATCH 09/10] arm64: dts: qcom: sm8550: Explicitly describe the IPA IMEM slice

[neil . armstrong]

On 23/05/2025 01:18, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
>
> As part of stepping away from crazy hardcoding in the driver, move
> define the slice explicitly and pass it to the IPA node.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
> ---
>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 71a7e3b57ecedd86d798e71b781451fe11f9c1ce..17d755daba4141d3a8716cd6ff4483c34dc0f660 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -2659,6 +2659,8 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
>   			qcom,smem-state-names = "ipa-clock-enabled-valid",
>   						"ipa-clock-enabled";
>   
> +			sram = <&ipa_modem_tables>;
> +
>   			status = "disabled";
>   		};
>   
> @@ -4737,6 +4739,20 @@ data-pins {
>   			};
>   		};
>   
> +		sram@14680000 {
> +			compatible = "qcom,sm8350-imem", "syscon", "simple-mfd";
> +			reg = <0 0x14680000 0 0x2c000>;
> +
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			ranges = <0 0 0x14680000 0x2c000>;
> +
> +			ipa_modem_tables: modem-tables@8000 {
> +				reg = <0x8000 0x2000>;
> +			};
> +		};
> +
>   		apps_smmu: iommu@15000000 {
>   			compatible = "qcom,sm8550-smmu-500", "qcom,smmu-500", "arm,mmu-500";
>   			reg = <0 0x15000000 0 0x100000>;

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>