On Mon, Oct 26, 2015 at 6:35 AM, Zhou Wang <wangzhou1@xxxxxxxxxxxxx> wrote:
> This patch adds related DTS binding document for HiSilicon PCIe host driver.
>
> Signed-off-by: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> .../bindings/arm/hisilicon/hisilicon.txt | 17 +++++++++
> .../devicetree/bindings/pci/hisilicon-pcie.txt | 44 ++++++++++++++++++++++
> 2 files changed, 61 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
> index 3504dca..6ac7c00 100644
> --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
> +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
> @@ -171,6 +171,23 @@ Example:
> };
>
> -----------------------------------------------------------------------
> +Hisilicon HiP05 PCIe-SAS system controller
> +
> +Required properties:
> +- compatible : "hisilicon,pcie-sas-subctrl", "syscon";
> +- reg : Register address and size
> +
> +The HiP05 PCIe-SAS system controller is shared by PCIe and SAS controllers in
> +HiP05 Soc to implement some basic configurations.
> +
> +Example:
> + /* for HiP05 PCIe-SAS system */
> + pcie_sas: system_controller@0xb0000000 {
> + compatible = "hisilicon,pcie-sas-subctrl", "syscon";
> + reg = <0xb0000000 0x10000>;
> + };
> +
> +-----------------------------------------------------------------------
> Hisilicon CPU controller
>
> Required properties:
> diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> new file mode 100644
> index 0000000..17c6ed9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> @@ -0,0 +1,44 @@
> +HiSilicon PCIe host bridge DT description
> +
> +HiSilicon PCIe host controller is based on Designware PCI core.
> +It shares common functions with PCIe Designware core driver and inherits
> +common properties defined in
> +Documentation/devicetree/bindings/pci/designware-pci.txt.
> +
> +Additional properties are described here:
> +
> +Required properties:
> +- compatible: Should contain "hisilicon,hip05-pcie".
> +- reg: Should contain rc_dbi, config registers location and length.
> +- reg-names: Must include the following entries:
> + "rc_dbi": controller configuration registers;
> + "config": PCIe configuration space registers.
> +- msi-parent: Should be its_pcie which is an ITS receiving MSI interrupts.
> +- port-id: Should be 0, 1, 2 or 3.
> +
> +Optional properties:
> +- status: Either "ok" or "disabled".
> +- dma-coherent: Present if DMA operations are coherent.
> +
> +Example:
> + pcie@0xb0080000 {
> + compatible = "hisilicon,hip05-pcie", "snps,dw-pcie";
> + reg = <0 0xb0080000 0 0x10000>, <0x220 0x00000000 0 0x2000>;
> + reg-names = "rc_dbi", "config";
> + bus-range = <0 15>;
> + msi-parent = <&its_pcie>;
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + dma-coherent;
> + ranges = <0x82000000 0 0x00000000 0x220 0x00000000 0 0x10000000>;
> + num-lanes = <8>;
> + port-id = <1>;
> + #interrupts-cells = <1>;
> + interrupts-map-mask = <0xf800 0 0 7>;
> + interrupts-map = <0x0 0 0 1 &mbigen_pcie 1 10
> + 0x0 0 0 2 &mbigen_pcie 2 11
> + 0x0 0 0 3 &mbigen_pcie 3 12
> + 0x0 0 0 4 &mbigen_pcie 4 13>;
> + status = "ok";
> + };
> --
> 1.9.1
>
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