Messages in this thread Patch in this message | | | From | Jon Mason <> | Subject | [PATCH 1/3] ARM: dts: NSP: Add MSI support on PCI | Date | Thu, 5 May 2016 19:29:30 -0400 |
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Add MSI support to the PCI driver of the Northstar Plus SoC. This uses the existing pcie-iproc driver. So, all that is needed is device tree entries in the DTS.
Signed-off-by: Jon Mason <jonmason@broadcom.com> --- arch/arm/boot/dts/bcm-nsp.dtsi | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi index def9e78..a44bf29 100644 --- a/arch/arm/boot/dts/bcm-nsp.dtsi +++ b/arch/arm/boot/dts/bcm-nsp.dtsi @@ -290,6 +290,18 @@ ranges = <0x82000000 0 0x08000000 0x08000000 0 0x8000000>; status = "disabled"; + + msi-parent = <&msi0>; + msi0: msi@18012000 { + compatible = "brcm,iproc-msi"; + msi-controller; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 127 IRQ_TYPE_NONE>, + <GIC_SPI 128 IRQ_TYPE_NONE>, + <GIC_SPI 129 IRQ_TYPE_NONE>, + <GIC_SPI 130 IRQ_TYPE_NONE>; + brcm,pcie-msi-inten; + }; }; pcie1: pcie@18013000 { @@ -314,6 +326,18 @@ ranges = <0x82000000 0 0x40000000 0x40000000 0 0x8000000>; status = "disabled"; + + msi-parent = <&msi1>; + msi1: msi@18013000 { + compatible = "brcm,iproc-msi"; + msi-controller; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 133 IRQ_TYPE_NONE>, + <GIC_SPI 134 IRQ_TYPE_NONE>, + <GIC_SPI 135 IRQ_TYPE_NONE>, + <GIC_SPI 136 IRQ_TYPE_NONE>; + brcm,pcie-msi-inten; + }; }; pcie2: pcie@18014000 { @@ -338,5 +362,17 @@ ranges = <0x82000000 0 0x48000000 0x48000000 0 0x8000000>; status = "disabled"; + + msi-parent = <&msi2>; + msi2: msi@18014000 { + compatible = "brcm,iproc-msi"; + msi-controller; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>, + <GIC_SPI 140 IRQ_TYPE_NONE>, + <GIC_SPI 141 IRQ_TYPE_NONE>, + <GIC_SPI 142 IRQ_TYPE_NONE>; + brcm,pcie-msi-inten; + }; }; }; -- 1.9.1
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