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[v5,4/5] Documentation: DT: Add HiSilicon PCIe host binding

Message ID 1437794486-21134-5-git-send-email-wangzhou1@hisilicon.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhou Wang July 25, 2015, 3:21 a.m. UTC
This patch adds related DTS binding document for HiSilicon PCIe host driver.

Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
---
 .../devicetree/bindings/pci/hisilicon-pcie.txt     | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt

Comments

Zhou Wang July 28, 2015, 7:28 a.m. UTC | #1
On 2015/7/25 11:21, Zhou Wang wrote:
> This patch adds related DTS binding document for HiSilicon PCIe host driver.
> 
> Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>

Hi Arnd and Rob,

As Bjorn mentioned in v4 series, this patch need your ack.
Could you help to review this patch?

Thanks,
Zhou

> ---
>  .../devicetree/bindings/pci/hisilicon-pcie.txt     | 46 ++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> 
> diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> new file mode 100644
> index 0000000..2afc9d1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> @@ -0,0 +1,46 @@
> +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, subctrl, config registers location and length.
> +- reg-names: Must include the following entries:
> +  "rc_dbi": controller configuration registers;
> +  "subctrl": whole PCIe hosts 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>, <0 0xb0000000 0 0x10000>,
> +		      <0x220 0x00000000 0 0x2000>;
> +		reg-names = "rc_dbi", "subctrl", "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";
> +	};
>
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Patch

diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
new file mode 100644
index 0000000..2afc9d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -0,0 +1,46 @@ 
+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, subctrl, config registers location and length.
+- reg-names: Must include the following entries:
+  "rc_dbi": controller configuration registers;
+  "subctrl": whole PCIe hosts 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>, <0 0xb0000000 0 0x10000>,
+		      <0x220 0x00000000 0 0x2000>;
+		reg-names = "rc_dbi", "subctrl", "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";
+	};