arm64: dts: qcom: msm8916: Add BAM-DMUX WWAN (v2)

BAM DMUX is used as the network interface to the modem. v2: Move bam-dmux below the modem remoteproc Signed-off-by: Stephan Gerhold <[email protected]>
OpenStick · Nov 12, 2021 · 2554c95 · 2554c95
1 parent ee302a3
commit 2554c95
Showing 1 changed file with 30 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -1315,6 +1315,20 @@
 			#interrupt-cells = <4>;
 		};
 
+		bam_dmux_dma: dma-controller@4044000 {
+			compatible = "qcom,bam-v1.7.0";
+			reg = <0x04044000 0x19000>;
+			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+
+			num-channels = <6>;
+			qcom,num-ees = <1>;
+			qcom,powered-remotely;
+
+			status = "disabled";
+		};
+
 		mpss: remoteproc@4080000 {
 			compatible = "qcom,msm8916-mss-pil", "qcom,q6v5-pil";
 			reg = <0x04080000 0x100>,
@@ -1358,6 +1372,22 @@
 				memory-region = <&mpss_mem>;
 			};
 
+			bam_dmux: bam-dmux {
+				compatible = "qcom,bam-dmux";
+
+				interrupt-parent = <&hexagon_smsm>;
+				interrupts = <1 IRQ_TYPE_EDGE_BOTH>, <11 IRQ_TYPE_EDGE_BOTH>;
+				interrupt-names = "pc", "pc-ack";
+
+				qcom,smem-states = <&apps_smsm 1>, <&apps_smsm 11>;
+				qcom,smem-state-names = "pc", "pc-ack";
+
+				dmas = <&bam_dmux_dma 4>, <&bam_dmux_dma 5>;
+				dma-names = "tx", "rx";
+
+				status = "disabled";
+			};
+
 			smd-edge {
 				interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;