linux-kernel - Re: [PATCH 1/3] arm64: dts: hi3660: add pcie node

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Message-ID: <9e2ed522-d808-8984-cc5a-316c392363d5@axis.com>
Date:   Mon, 15 May 2017 10:19:18 +0200
From:   Niklas Cassel <niklas.cassel@...s.com>
To:     Song Xiaowei <songxiaowei@...ilicon.com>, <bhelgaas@...gle.com>,
        <kishon@...com>, <jingoohan1@...il.com>, <arnd@...db.de>,
        <tn@...ihalf.com>, <keith.busch@...el.com>, <dhdang@....com>,
        <liudongdong3@...wei.com>
CC:     <puck.chen@...ilicon.com>, <guodong.xu@...aro.org>,
        <wangbinghui@...ilicon.com>, <suzhuangluan@...ilicon.com>,
        <linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 1/3] arm64: dts: hi3660: add pcie node

Hello Song


You forgot to add the device tree maintainers
and the device tree mailing list to this patch.

If you use ./scripts/get_maintainer.pl <patch>
it will show you this information.


Regards,
Niklas


On 05/15/2017 08:27 AM, Song Xiaowei wrote:
> Add PCIe node for hi3660, and add binding documentation.
> 
> Cc: Guodong Xu <guodong.xu@...aro.org>
> Signed-off-by: Song Xiaowei <songxiaowei@...ilicon.com>
> ---
>  .../devicetree/bindings/pci/hisilicon-pcie.txt     | 52 ++++++++++++++++++++++
>  arch/arm64/boot/dts/hisilicon/hi3660.dtsi          | 31 +++++++++++++
>  2 files changed, 83 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> index a339dbb15493..71491178c86c 100644
> --- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> @@ -85,3 +85,55 @@ Example:
>  				 0x0 0 0 4 &mbigen_pcie0 650 4>;
>  		status = "ok";
>  	};
> +
> +
> +
> +HiSilicon Kirin SoC PCIe host DT description
> +
> +Kirin PCIe host controller is also 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,kirin-pcie".
> +- 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;
> +  "phy": apb PHY register;
> +  "config": PCIe configuration space registers.
> +- reset-gpio: perst assert/deassert gpio
> +
> +Optional properties:
> +- status: Either "ok" or "disabled".
> +
> +Kirin960 Example:
> +        kirin_pcie@...00000 {
> +                        compatible = "hisilicon,kirin-pcie";
> +                        reg =  <0x0 0xf4000000 0x0 0x1000>, <0x0 0xff3fe000 0x0 0x1000>,
> +                                 <0x0 0xf3f20000 0x0 0x40000>, <0x0 0xF5000000 0 0x2000>;
> +                        reg-names = "dbi","apb","phy", "config";
> +                        bus-range = <0x0  0x1>;
> +                        #address-cells = <3>;
> +                        #size-cells = <2>;
> +                        device_type = "pci";
> +                        ranges = <0x02000000 0x0 0x00000000 0x0 0xf6000000 0x0 0x2000000>;
> +                        num-lanes = <1>;
> +                        #interrupt-cells = <1>;
> +                        interrupt-map-mask = <0xf800 0 0 7>;
> +			interrupt-map = <0x0 0 0 2 &gic 0 0 0  283 4>,
> +                                        <0x0 0 0 3 &gic 0 0 0  284 4>,
> +                                        <0x0 0 0 4 &gic 0 0 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-gpio = <&gpio11 1 0 >;
> +                        status = "ok";
> +        };
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> index 3983086bd67b..2406a54947df 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> @@ -156,5 +156,36 @@
>  			clock-names = "uartclk", "apb_pclk";
>  			status = "disabled";
>  		};
> +
> +		kirin_pcie@...00000 {
> +			compatible = "hisilicon,kirin-pcie";
> +			reg =  <0x0 0xf4000000 0x0 0x1000>,
> +				<0x0 0xff3fe000 0x0 0x1000>,
> +				<0x0 0xf3f20000 0x0 0x40000>,
> +				<0x0 0xF5000000 0x0 0x2000>;
> +			reg-names = "dbi", "apb", "phy", "config";
> +			bus-range = <0x0  0x1>;
> +			#address-cells = <3>;
> +			#size-cells = <2>;
> +			device_type = "pci";
> +			ranges = <0x02000000 0x0 0x00000000 0x0
> +				0xf6000000 0x0 0x2000000>;
> +			num-lanes = <1>;
> +			#interrupt-cells = <1>;
> +			interrupt-map-mask = <0xf800 0 0 7>;
> +			interrupt-map = <0x0 0 0 1 &gic 0 0 0 282 4>,
> +				<0x0 0 0 2 &gic 0 0 0  283 4>,
> +				<0x0 0 0 3 &gic 0 0 0  284 4>,
> +				<0x0 0 0 4 &gic 0 0 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-gpio = <&gpio11 1 0 >;
> +			status = "ok";
> +		};
>  	};
>  };
>