linux-kernel - Re: [PATCH v11 1/3] PCI: hisi: Add DT binding for PCIe of Kirin SoC series

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Message-ID: <5947AC61.1030600@hisilicon.com>
Date:   Mon, 19 Jun 2017 11:50:09 +0100
From:   Wei Xu <xuwei5@...ilicon.com>
To:     Xiaowei Song <songxiaowei@...ilicon.com>, <guodong.xu@...aro.org>,
        <bhelgaas@...gle.com>, <robh+dt@...nel.org>
CC:     <suzhuangluan@...ilicon.com>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 1/3] PCI: hisi: Add DT binding for PCIe of Kirin SoC
 series

Hi Xiaowei,

On 2017/6/19 11:44, Wei Xu wrote:
> Hi Xiaowei,
> 
> On 2017/6/19 11:23, Xiaowei Song wrote:
> 
> Please add some commit message.
> 
>> Cc: Guodong Xu <guodong.xu@...aro.org>
>> Signed-off-by: Xiaowei Song <songxiaowei@...ilicon.com>
>> Acked-by: Rob Herring <robh@...nel.org>
>> ---
> 
> I have picked up the patch from [1] and
> the pull request has been merged into ARM SoC tree.
> Please do not resend the same patch.
> Thanks!
> 
> [1]:https://lkml.org/lkml/2017/6/14/1055

Sorry, the above link is wrong.
It should be https://lkml.org/lkml/2017/6/14/1056

BR,
Wei

> 
> Best Regards,
> Wei
> 
>>  .../devicetree/bindings/pci/kirin-pcie.txt         | 55 ++++++++++++++++++++++
>>  1 file changed, 55 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/pci/kirin-pcie.txt
>>
>> diff --git a/Documentation/devicetree/bindings/pci/kirin-pcie.txt b/Documentation/devicetree/bindings/pci/kirin-pcie.txt
>> new file mode 100644
>> index 000000000000..c2be01270ec5
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/kirin-pcie.txt
>> @@ -0,0 +1,55 @@
>> +HiSilicon Kirin SoCs PCIe host DT description
>> +
>> +Kirin 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:
>> +	"hisilicon,kirin960-pcie" for PCIe of Kirin960 SoC
>> +- reg: Should contain rc_dbi, apb, phy, config registers location and length.
>> +- reg-names: Must include the following entries:
>> +  "dbi": controller configuration registers;
>> +  "apb": apb Ctrl register defined by Kirin;
>> +  "phy": apb PHY register defined by Kirin;
>> +  "config": PCIe configuration space registers.
>> +- reset-gpios: The gpio to generate PCIe perst assert and deassert signal.
>> +
>> +Optional properties:
>> +
>> +Example based on kirin960:
>> +
>> +	pcie@...00000 {
>> +		compatible = "hisilicon,kirin960-pcie";
>> +		reg = <0x0 0xf4000000 0x0 0x1000>,
>> +		      <0x0 0xff3fe000 0x0 0x1000>,
>> +		      <0x0 0xf3f20000 0x0 0x40000>,
>> +		      <0x0 0xf4000000 0x0  0x2000>;
>> +		reg-names = "dbi","apb","phy", "config";
>> +		bus-range = <0x0  0x1>;
>> +		#address-cells = <3>;
>> +		#size-cells = <2>;
>> +		device_type = "pci";
>> +		ranges = <0x02000000 0x0 0x0
>> +			  0x0 0xf5000000
>> +			  0x0 0x2000000>;
>> +		num-lanes = <1>;
>> +		#interrupt-cells = <1>;
>> +		interrupt-map-mask = <0xf800 0 0 7>;
>> +		interrupt-map = <0x0 0 0 1 &gic 0 282 4>,
>> +				<0x0 0 0 2 &gic 0 283 4>,
>> +				<0x0 0 0 3 &gic 0 284 4>,
>> +				<0x0 0 0 4 &gic 0 285 4>;
>> +		clocks = <&crg_ctrl HI3660_PCIEPHY_REF>,
>> +			 <&crg_ctrl HI3660_CLK_GATE_PCIEAUX>,
>> +			 <&crg_ctrl HI3660_PCLK_GATE_PCIE_PHY>,
>> +			 <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>,
>> +			 <&crg_ctrl HI3660_ACLK_GATE_PCIE>;
>> +		clock-names = "pcie_phy_ref", "pcie_aux",
>> +			      "pcie_apb_phy", "pcie_apb_sys",
>> +			      "pcie_aclk";
>> +		reset-gpios = <&gpio11 1 0>;
>> +	};
>>