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Date: Thu, 25 Jan 2024 14:41:18 +0100
From: neil.armstrong@...aro.org
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] arm64: dts: qcom: sm8550: describe all PCI MSI
interrupts
On 25/01/2024 14:06, Krzysztof Kozlowski wrote:
> 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.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8550.dtsi | 24 ++++++++++++++++++++----
> 1 file changed, 20 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index ee1ba5a8c8fc..80e31fb21055 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -1713,8 +1713,16 @@ pcie0: pcie@...0000 {
> 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>;
> @@ -1804,8 +1812,16 @@ pcie1: pcie@...8000 {
> 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>;
230: 22 0 0 0 0 0 0 0 PCI-MSI 134742016 Edge nvme0q0
232: 0 0 0 0 0 0 0 0 PCI-MSI 134742017 Edge nvme0q1
233: 1 0 0 0 0 0 0 0 PCI-MSI 134742018 Edge nvme0q2
234: 0 0 0 0 0 0 0 0 PCI-MSI 134742019 Edge nvme0q3
235: 1 0 0 0 0 0 0 0 PCI-MSI 134742020 Edge nvme0q4
236: 1 0 0 0 0 0 0 0 PCI-MSI 134742021 Edge nvme0q5
237: 23 0 0 0 0 0 0 0 PCI-MSI 134742022 Edge nvme0q6
238: 18 0 0 0 0 0 0 0 PCI-MSI 134742023 Edge nvme0q7
239: 0 0 0 0 0 0 0 0 PCI-MSI 134742024 Edge nvme0q8
258: 4 0 0 0 0 0 0 0 PCI-MSI 524288 Edge bhi
259: 5 0 0 0 0 0 0 0 PCI-MSI 524289 Edge mhi
260: 33 0 0 0 0 0 0 0 PCI-MSI 524290 Edge mhi
261: 3 0 0 0 0 0 0 0 PCI-MSI 524291 Edge ce0
262: 2 0 0 0 0 0 0 0 PCI-MSI 524292 Edge ce1
263: 41 0 0 0 0 0 0 0 PCI-MSI 524293 Edge ce2
264: 28 0 0 0 0 0 0 0 PCI-MSI 524294 Edge ce3
265: 0 0 0 0 0 0 0 0 PCI-MSI 524295 Edge ce5
266: 0 0 0 0 0 0 0 0 PCI-MSI 524296 Edge DP_EXT_IRQ
267: 0 0 0 0 0 0 0 0 PCI-MSI 524297 Edge DP_EXT_IRQ
268: 0 0 0 0 0 0 0 0 PCI-MSI 524298 Edge DP_EXT_IRQ
269: 0 0 0 0 0 0 0 0 PCI-MSI 524299 Edge DP_EXT_IRQ
270: 0 0 0 0 0 0 0 0 PCI-MSI 524300 Edge DP_EXT_IRQ
271: 0 0 0 0 0 0 0 0 PCI-MSI 524301 Edge DP_EXT_IRQ
272: 0 0 0 0 0 0 0 0 PCI-MSI 524302 Edge DP_EXT_IRQ
Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-HDK
235: 4 0 0 0 0 0 0 0 PCI-MSI 524288 Edge bhi
236: 5 0 0 0 0 0 0 0 PCI-MSI 524289 Edge mhi
237: 33 0 0 0 0 0 0 0 PCI-MSI 524290 Edge mhi
238: 3 0 0 0 0 0 0 0 PCI-MSI 524291 Edge ce0
239: 2 0 0 0 0 0 0 0 PCI-MSI 524292 Edge ce1
240: 40 0 0 0 0 0 0 0 PCI-MSI 524293 Edge ce2
241: 29 0 0 0 0 0 0 0 PCI-MSI 524294 Edge ce3
242: 0 0 0 0 0 0 0 0 PCI-MSI 524295 Edge ce5
243: 0 0 0 0 0 0 0 0 PCI-MSI 524296 Edge DP_EXT_IRQ
244: 0 0 0 0 0 0 0 0 PCI-MSI 524297 Edge DP_EXT_IRQ
245: 0 0 0 0 0 0 0 0 PCI-MSI 524298 Edge DP_EXT_IRQ
246: 0 0 0 0 0 0 0 0 PCI-MSI 524299 Edge DP_EXT_IRQ
247: 0 0 0 0 0 0 0 0 PCI-MSI 524300 Edge DP_EXT_IRQ
248: 0 0 0 0 0 0 0 0 PCI-MSI 524301 Edge DP_EXT_IRQ
249: 0 0 0 0 0 0 0 0 PCI-MSI 524302 Edge DP_EXT_IRQ
Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-QRD
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