| Message ID | 20250126-msm8226-modem-v2-8-e88d76d6daff@lucaweiss.eu (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Modem support for MSM8226 | expand |
On Sun, Jan 26, 2025 at 09:57:27PM +0100, Luca Weiss wrote: > BAM DMUX is used as the network interface to the modem. > > Signed-off-by: Luca Weiss <luca@lucaweiss.eu> Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org> > --- > 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 f7f57c3f583557830c0a6dc9f0eebc2ddebbbe3c..5e82d871b81019d2f4f84d1228e8e9278ac44be3 100644 > --- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi > +++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi > @@ -914,6 +914,18 @@ 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; > + }; > + > modem: remoteproc@fc880000 { > compatible = "qcom,msm8226-mss-pil"; > reg = <0xfc880000 0x100>, > @@ -949,6 +961,20 @@ modem: remoteproc@fc880000 { > > 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 = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; > > > -- > 2.48.1 >
diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi index f7f57c3f583557830c0a6dc9f0eebc2ddebbbe3c..5e82d871b81019d2f4f84d1228e8e9278ac44be3 100644 --- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi +++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi @@ -914,6 +914,18 @@ 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; + }; + modem: remoteproc@fc880000 { compatible = "qcom,msm8226-mss-pil"; reg = <0xfc880000 0x100>, @@ -949,6 +961,20 @@ modem: remoteproc@fc880000 { 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 = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
BAM DMUX is used as the network interface to the modem. Signed-off-by: Luca Weiss <luca@lucaweiss.eu> --- arch/arm/boot/dts/qcom/qcom-msm8226.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)