Re: [PATCH v2 2/3] dt-bindings: PCI: xilinx-xdma: Add YAML schemas for Xilinx XDMA PCIe Root Port Bridge

[Michal Simek <michal.simek@amd.com>]

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@amd.com>
> Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@amd.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@amd.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@a0000000 {
> +            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@a0000000: 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@a0000000: 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@a0000000: 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@a0000000: 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