On Mon, Aug 17, 2015 at 4:09 AM, Ley Foon Tan <lftan@xxxxxxxxxx> wrote:
> This patch adds the bindings for Altera PCIe host controller driver and
> Altera PCIe MSI driver.
>
> Signed-off-by: Ley Foon Tan <lftan@xxxxxxxxxx>
> ---
> .../devicetree/bindings/pci/altera-pcie-msi.txt | 27 ++++++++++++
> .../devicetree/bindings/pci/altera-pcie.txt | 49 ++++++++++++++++++++++
> 2 files changed, 76 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
> create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie.txt
>
> diff --git a/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
> new file mode 100644
> index 0000000..7f330c9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
> @@ -0,0 +1,27 @@
> +* Altera PCIe MSI controller
> +
> +Required properties:
> +- compatible: should contain "altr,msi-1.0"
> +- reg: specifies the physical base address of the controller and
> + the length of the memory mapped region.
> +- reg-names: Must include the following entries:
> + "csr": CSR registers
> + "vector_slave": vectors region
Can you be a little bit more specific here? What is a vectors region?
Also, I'm not 100% sure, but I think "vector-slave" should be used.
> +-interrupts: specifies the interrupt source of the parent interrupt
> + controller. The format of the interrupt specifier depends on the
> + parent interrupt controller.
Need to document "interrupt-parent" .
> +- num-vectors: Number of vectors, range 1 to 32.
> +- msi-controller: indicates that this is MSI controller node
> +
> +
> +Example
> +msi0: msi@0xFF200000 {
> + compatible = "altr,msi-1.0";
> + reg = <0xFF200000 0x00000010
> + 0xFF200010 0x00000080>;
> + reg-names = "csr", "vector_slave";
> + interrupt-parent = <&hps_0_arm_gic_0>;
> + interrupts = <0 42 4>;
> + msi-controller = <1>;
> + num-vectors = <32>;
> +};
> diff --git a/Documentation/devicetree/bindings/pci/altera-pcie.txt b/Documentation/devicetree/bindings/pci/altera-pcie.txt
> new file mode 100644
> index 0000000..73a8dc0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/altera-pcie.txt
> @@ -0,0 +1,49 @@
> +* Altera PCIe controller
> +
> +Required properties:
> +- compatible : should contain "altr,pcie-root-port-1.0"
> +- reg: A list of physical base address and length for TXS and CRA.
> +- reg-names: Must include the following entries:
> + "Txs" or "txs": TXS region
What is a TXS region?
> + "Cra" or "cra": Control register access region
> +-interrupts: specifies the interrupt source of the parent interrupt controller.
> + The format of the interrupt specifier depends on the parent interrupt
> + controller.
> +- device_type: must be "pci"
> +- #address-cells: set to <3>
> +- #size-cells: set to <2>
> +- #interrupt-cells: set to <1>
> +- ranges: Describes the translation of addresses for root ports and standard
> + PCI regions.
> +- interrupt-map-mask and interrupt-map: standard PCI properties
> + to define the mapping of the PCIe interface to interrupt
> + numbers.
"interrupt-parent" ?
Dinh
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
