Re: [PATCH 10/10] arm64: dts: qcom: sm8650: Explicitly describe the IPA IMEM slice

From: neil . armstrong
Date: Wed Jun 04 2025 - 04:05:58 EST


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/sm8650.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index 495ea9bfd008500dd2c9f46ceca94cf5f972beca..7b80d281cac4349ffc2adac0650e07329da461aa 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -4344,6 +4344,8 @@ &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";
};
@@ -6637,6 +6639,20 @@ funnel_apss_out_funnel_in1: endpoint {
};
};
+ 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,sm8650-smmu-500", "qcom,smmu-500", "arm,mmu-500";
reg = <0 0x15000000 0 0x100000>;


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