From 6b47ce06f22b3ad2921dda442be23abbe93ed251 Mon Sep 17 00:00:00 2001 From: Luca Weiss Date: Mon, 17 Feb 2025 23:05:24 +0100 Subject: [PATCH] ARM: dts: qcom: msm8226: Add BAM DMUX Ethernet/IP device BAM DMUX is used as the network interface to the modem. Reviewed-by: Stephan Gerhold Signed-off-by: Luca Weiss Link: https://lore.kernel.org/r/20250217-msm8226-modem-v5-10-2bc74b80e0ae@lucaweiss.eu Signed-off-by: Bjorn Andersson --- arch/arm/boot/dts/qcom/qcom-msm8226.dtsi | 26 ++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi index 662911f4cf163..32defb08b9094 100644 --- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi +++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi @@ -916,6 +916,18 @@ #interrupt-cells = <4>; }; + bam_dmux_dma: dma-controller@fc834000 { + compatible = "qcom,bam-v1.4.0"; + reg = <0xfc834000 0x7000>; + interrupts = ; + #dma-cells = <1>; + qcom,ee = <0>; + + num-channels = <6>; + qcom,num-ees = <1>; + qcom,powered-remotely; + }; + modem: remoteproc@fc880000 { compatible = "qcom,msm8226-mss-pil"; reg = <0xfc880000 0x4040>, @@ -959,6 +971,20 @@ status = "disabled"; + 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 = ; -- 2.47.2