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Date: Fri, 12 May 2023 08:50:03 +0200
From: Michal Simek <michal.simek@....com>
To: Thippeswamy Havalige <thippeswamy.havalige@....com>,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, krzysztof.kozlowski@...aro.org
Cc: bhelgaas@...gle.com, michals@...inx.com, robh+dt@...nel.org,
nagaradhesh.yeleswarapu@....com, bharat.kumar.gogada@....com,
lorenzo.pieralisi@....com
Subject: Re: [PATCH v2 2/3] dt-bindings: PCI: xilinx-xdma: Add YAML schemas
for Xilinx XDMA PCIe Root Port Bridge
On 5/12/23 08:27, Thippeswamy Havalige wrote:
> Add YAML dtschemas of Xilinx XDMA Soft IP PCIe Root Port Bridge
> dt binding.
>
> Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@....com>
> Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@....com>
> ---
> .../devicetree/bindings/pci/xlnx,xdma-host.yaml | 117 +++++++++++++++++++++
> 1 file changed, 117 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
>
> diff --git a/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml b/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
> new file mode 100644
> index 0000000..e3a1ef1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
> @@ -0,0 +1,117 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pci/xlnx,xdma-host.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Xilinx XDMA PL PCIe Root Port Bridge
> +
> +maintainers:
> + - Thippeswamy Havalige <thippeswamy.havalige@....com>
> +
> +allOf:
> + - $ref: /schemas/pci/pci-bus.yaml#
> +
> +properties:
> + compatible:
> + const: xlnx,xdma-host-3.0
> +
> + reg:
> + maxItems: 1
> +
> + ranges:
> + items:
> + - description: |
> + ranges for the PCI memory regions (I/O space region is not
> + supported by hardware)
> +
> + interrupts:
> + items:
> + - description: interrupt asserted when miscellaneous interrupt is received.
> + - description: msi0 interrupt asserted when an MSI is received.
> + - description: msi1 interrupt asserted when an MSI is received.
> +
> + interrupt-names:
> + items:
> + - const: misc
> + - const: msi0
> + - const: msi1
> +
> + interrupt-map-mask:
> + items:
> + - const: 0
> + - const: 0
> + - const: 0
> + - const: 7
> +
> + interrupt-map:
> + maxItems: 4
> +
> + "#interrupt-cells":
> + const: 1
> +
> + interrupt-controller:
> + description: identifies the node as an interrupt controller
> + type: object
> + properties:
> + interrupt-controller: true
> +
> + "#address-cells":
> + const: 0
> +
> + "#interrupt-cells":
> + const: 1
> +
> + required:
> + - interrupt-controller
> + - "#address-cells"
> + - "#interrupt-cells"
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - ranges
> + - interrupts
> + - interrupt-map
> + - interrupt-map-mask
> + - "#interrupt-cells"
> + - interrupt-controller
> +
> +unevaluatedProperties: false
> +
> +examples:
> +
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + pcie@...00000 {
> + compatible = "xlnx,xdma-host-3.00";
This doesn't match with version listed above.
And when it is fixed I am getting.
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.example.dtb:
pcie@...00000: ranges: [[33554432, 0, 2952790016, 0, 2952790016, 0, 16777216],
[1124073472, 5, 0, 5, 0, 0, 16777216]] is too long
From schema:
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.example.dtb:
pcie@...00000: interrupt-map: [[0, 0, 0, 1, 2, 0, 0, 0], [0, 2, 2, 1, 0, 0, 0,
3], [2, 2, 0, 0, 0, 4, 2, 3]] is too short
From schema:
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.example.dtb:
pcie@...00000: interrupt-controller:#address-cells:0:0: 0 was expected
From schema:
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.example.dtb:
pcie@...00000: Unevaluated properties are not allowed ('interrupt-controller'
was unexpected)
From schema:
/home/monstr/data/disk/linux/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
> + reg = <0x0 0xa0000000 0x0 0x10000000>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> + #interrupt-cells = <1>;
> + device_type = "pci";
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "misc", "msi0", "msi1";
> + interrupt-map-mask = <0x0 0x0 0x0 0x7>;
> + interrupt-map = <0 0 0 1 &pcie_intc_0 0>,
> + <0 0 0 2 &pcie_intc_0 1>,
> + <0 0 0 3 &pcie_intc_0 2>,
> + <0 0 0 4 &pcie_intc_0 3>;
> + ranges = <0x2000000 0x0 0xb0000000 0x0 0xb0000000 0x0 0x1000000>,
> + <0x43000000 0x5 0x0 0x5 0x0 0x0 0x1000000>;
> + pcie_intc_0: interrupt-controller {
> + #address-cells = <2>;
> + #interrupt-cells = <1>;
> + interrupt-controller ;
space is not necessary.
> + };
> + };
> + };
M
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