linux-kernel - Re: [PATCH v3 1/8] arm64: dts: ls1028a: Add PCIe EP nodes

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Date:   Wed, 13 Apr 2022 19:32:09 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Li Yang <leoyang.li@....com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Xiaowei Bao <xiaowei.bao@....com>
Subject: Re: [PATCH v3 1/8] arm64: dts: ls1028a: Add PCIe EP nodes

On Tue, Dec 14, 2021 at 03:32:33AM -0600, Li Yang wrote:
> From: Xiaowei Bao <xiaowei.bao@....com>
>
> Add PCIe EP nodes for ls1028a to support EP mode.
>
> Signed-off-by: Xiaowei Bao <xiaowei.bao@....com>
> Signed-off-by: Li Yang <leoyang.li@....com>
> ---
>  .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> index fd3f3e8bb6ce..9010c535252a 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> @@ -637,6 +637,18 @@ pcie1: pcie@...0000 {
>  			status = "disabled";
>  		};
>
> +		pcie_ep1: pcie-ep@...0000 {
> +			compatible = "fsl,ls1028a-pcie-ep","fsl,ls-pcie-ep";
> +			reg = <0x00 0x03400000 0x0 0x00100000
> +			       0x80 0x00000000 0x8 0x00000000>;
> +			reg-names = "regs", "addr_space";
> +			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */
> +			interrupt-names = "pme";
> +			num-ib-windows = <6>;
> +			num-ob-windows = <8>;
> +			status = "disabled";
> +		};
> +
>  		pcie2: pcie@...0000 {
>  			compatible = "fsl,ls1028a-pcie";
>  			reg = <0x00 0x03500000 0x0 0x00100000>, /* controller registers */
> @@ -664,6 +676,18 @@ pcie2: pcie@...0000 {
>  			status = "disabled";
>  		};
>
> +		pcie_ep2: pcie-ep@...0000 {
> +			compatible = "fsl,ls1028a-pcie-ep","fsl,ls-pcie-ep";
> +			reg = <0x00 0x03500000 0x0 0x00100000
> +			       0x88 0x00000000 0x8 0x00000000>;
> +			reg-names = "regs", "addr_space";
> +			interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */
> +			interrupt-names = "pme";
> +			num-ib-windows = <6>;
> +			num-ob-windows = <8>;
> +			status = "disabled";
> +		};
> +
>  		smmu: iommu@...0000 {
>  			compatible = "arm,mmu-500";
>  			reg = <0 0x5000000 0 0x800000>;
> --
> 2.25.1
>

arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi:631.23-656.5: Warning (unique_unit_address): /soc/pcie@...0000: duplicate unit-address (also used in node /soc/pcie-ep@...0000)
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi:670.23-695.5: Warning (unique_unit_address): /soc/pcie@...0000: duplicate unit-address (also used in node /soc/pcie-ep@...0000)