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

From: Kaushal Kumar
Date: Thu Mar 13 2025 - 09:16:48 EST


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

Signed-off-by: Kaushal Kumar <quic_kaushalk@xxxxxxxxxxx>
---
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@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@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x0 0x01f40000 0x0 0x40000>;
--
2.17.1