Add the description of the IPA block in the Milos SoC.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
---
 arch/arm64/boot/dts/qcom/milos.dtsi | 44 +++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/milos.dtsi b/arch/arm64/boot/dts/qcom/milos.dtsi
index 1c045743ef77..c388dacf47d5 100644
--- a/arch/arm64/boot/dts/qcom/milos.dtsi
+++ b/arch/arm64/boot/dts/qcom/milos.dtsi
@@ -1599,6 +1599,50 @@ adreno_smmu: iommu@3da0000 {
 			dma-coherent;
 		};
 
+		ipa: ipa@3f40000 {
+			compatible = "qcom,milos-ipa";
+
+			reg = <0x0 0x03f40000 0x0 0x10000>,
+			      <0x0 0x03f50000 0x0 0x5000>,
+			      <0x0 0x03e04000 0x0 0xfc000>;
+			reg-names = "ipa-reg",
+				    "ipa-shared",
+				    "gsi";
+
+			interrupts-extended = <&intc GIC_SPI 654 IRQ_TYPE_EDGE_RISING 0>,
+					      <&intc GIC_SPI 432 IRQ_TYPE_LEVEL_HIGH 0>,
+					      <&smp2p_ipa_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_ipa_in 1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "ipa",
+					  "gsi",
+					  "ipa-clock-query",
+					  "ipa-setup-ready";
+
+			clocks = <&rpmhcc RPMH_IPA_CLK>;
+			clock-names = "core";
+
+			interconnects = <&aggre2_noc MASTER_IPA QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &cnoc_main SLAVE_IPA_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
+			interconnect-names = "memory",
+					     "config";
+
+			iommus = <&apps_smmu 0x4a0 0x0>,
+				 <&apps_smmu 0x4a2 0x0>;
+
+			qcom,qmp = <&aoss_qmp>;
+
+			qcom,smem-states = <&smp2p_ipa_out 0>,
+					   <&smp2p_ipa_out 1>;
+			qcom,smem-state-names = "ipa-clock-enabled-valid",
+						"ipa-clock-enabled";
+
+			sram = <&ipa_modem_tables>;
+
+			status = "disabled";
+		};
+
 		remoteproc_mpss: remoteproc@4080000 {
 			compatible = "qcom,milos-mpss-pas";
 			reg = <0x0 0x04080000 0x0 0x10000>;

-- 
2.53.0

On 4/3/26 6:43 PM, Luca Weiss wrote:
> Add the description of the IPA block in the Milos SoC.
> 
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad


> +			iommus = <&apps_smmu 0x4a0 0x0>,
> +				 <&apps_smmu 0x4a2 0x0>;

P.S.

I don't know what's the scope of upstream IPA today, but it seems like
there's two additional SIDs: 0x4a1 attached to an "ipa_smmu_wlan"
subnode and another one (0x4a4) called ipa_smmu_11ad, perhaps for
some tighter integration with ath1xk_ahb?

But again, I don't know much.

Konrad

On Fri, Apr 03, 2026 at 06:43:51PM +0200, Luca Weiss wrote:
> Add the description of the IPA block in the Milos SoC.
> 
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
>  arch/arm64/boot/dts/qcom/milos.dtsi | 44 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry