Re: [PATCH v12 7/8] Documentation: DT: Add HiSilicon PCIe host binding

[Zhou Wang <wangzhou1@hisilicon.com>]

On 2015/10/28 3:19, Rob Herring wrote:
> On Mon, Oct 26, 2015 at 6:35 AM, Zhou Wang <wangzhou1@hisilicon.com> wrote:
>> This patch adds related DTS binding document for HiSilicon PCIe host driver.
>>
>> Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
> 
> Acked-by: Rob Herring <robh@kernel.org>
>

Thanks for your review.
Zhou

>> ---
>>  .../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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