[PATCH 3/6] ARM: dts: qcom: sdx75: Add QPIC BAM support

Kaushal Kumar quic_kaushalk at quicinc.com
Thu Mar 13 06:09:15 PDT 2025


Add devicetree node to enable support for QPIC
BAM DMA controller on Qualcomm SDX75 platform.

Signed-off-by: Kaushal Kumar <quic_kaushalk at quicinc.com>
---
 arch/arm64/boot/dts/qcom/sdx75.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index b0a8a0fe5f39..e3a0ee661c4a 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -880,6 +880,20 @@
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
+		qpic_bam: dma-controller at 1c9c000 {
+			compatible = "qcom,bam-v1.7.0";
+			reg = <0x0 0x01c9c000 0x0 0x1c000>;
+			interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&rpmhcc RPMH_QPIC_CLK>;
+			clock-names = "bam_clk";
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+			qcom,controlled-remotely;
+			iommus = <&apps_smmu 0x100 0x3>;
+			dma-coherent;
+			status = "disabled";
+		};
+
 		tcsr_mutex: hwlock at 1f40000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x01f40000 0x0 0x40000>;
-- 
2.17.1




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