Each group of MSI interrupts is mapped to the separate host interrupt.
Describe each of interrupts in the device tree for PCIe hosts. Only
boot tested on hardware.
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
arch/arm64/boot/dts/qcom/sm8550.dtsi | 38 ++++++++++++++++++++++++++++++------
1 file changed, 32 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index ee1ba5a8c8fc..28cae43eec80 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -1713,9 +1713,22 @@ pcie0: pcie@1c00000 {
linux,pci-domain = <0>;
num-lanes = <2>;
- interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi";
-
+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
@@ -1804,9 +1817,22 @@ pcie1: pcie@1c08000 {
linux,pci-domain = <1>;
num-lanes = <2>;
- interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi";
-
+ interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc 0 0 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
--
2.34.1