On Wed, May 31, 2017 at 03:30:26PM +0200, Marc Gonzalez wrote:
> Binding for the Sigma Designs SMP8759 SoC.
>
> Signed-off-by: Marc Gonzalez <[email protected]>
> ---
> Documentation/devicetree/bindings/pci/tango-pcie.txt | 30
> ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/tango-pcie.txt
> b/Documentation/devicetree/bindings/pci/tango-pcie.txt
> new file mode 100644
> index 000000000000..35ef2c811a27
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/tango-pcie.txt
> @@ -0,0 +1,30 @@
> +Sigma Designs Tango PCIe controller
> +
> +Required properties:
> +
> +- compatible: "sigma,smp8759-pcie"
> +- reg: address/size of PCI configuration space, address/size of register area
> +- device_type: "pci"
> +- #size-cells: <2>
> +- #address-cells: <3>
> +- msi-controller
> +- ranges: translation from system to bus addresses
> +- interrupts: spec for misc interrupts, spec for MSI
> +
> +http://elinux.org/Device_Tree_Usage#PCI_Address_Translation
> +http://elinux.org/Device_Tree_Usage#Advanced_Interrupt_Mapping
Why are these here?
There's several standard properties you are missing like bus-range.
Build your dts with "W=2". dtc recently gained some checks for PCI
bindings.
> +
> +Example:
> +
> + pcie@2e000 {
> + compatible = "sigma,smp8759-pcie";
> + reg = <0x50000000 SZ_4M>, <0x2e000 0x100>;
> + device_type = "pci";
> + #size-cells = <2>;
> + #address-cells = <3>;
> + msi-controller;
> + ranges = <0x02000000 0x0 0x00400000 0x50400000 0x0 SZ_60M>;
I don't think SZ_60M exists or is available to dts files. Just put the
number in.
> + interrupts =
> + <54 IRQ_TYPE_LEVEL_HIGH>, /* misc interrupts */
> + <55 IRQ_TYPE_LEVEL_HIGH>; /* MSI */
> + };
> --
> 2.11.0
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
