BAM DMUX is used as the network interface to the modem.
Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 814ad0b46232..ffa6f874917a 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1146,6 +1146,18 @@ spmi_bus: spmi@fc4cf000 {
#interrupt-cells = <4>;
};
+ bam_dmux_dma: dma-controller@fc834000 {
+ compatible = "qcom,bam-v1.4.0";
+ reg = <0xfc834000 0x7000>;
+ interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ #dma-cells = <1>;
+ qcom,ee = <0>;
+
+ num-channels = <6>;
+ qcom,num-ees = <1>;
+ qcom,powered-remotely;
+ };
+
remoteproc_mss: remoteproc@fc880000 {
compatible = "qcom,msm8974-mss-pil";
reg = <0xfc880000 0x100>, <0xfc820000 0x020>;
@@ -1180,6 +1192,20 @@ mpss {
memory-region = <&mpss_region>;
};
+ bam_dmux: bam-dmux {
+ compatible = "qcom,bam-dmux";
+
+ interrupt-parent = <&modem_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";
+ };
+
smd-edge {
interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
--
2.36.0
