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

From: Vladimir Oltean
Date: Wed Apr 13 2022 - 12:32:26 EST


On Tue, Dec 14, 2021 at 03:32:33AM -0600, Li Yang wrote:
> From: Xiaowei Bao <xiaowei.bao@xxxxxxx>
>
> Add PCIe EP nodes for ls1028a to support EP mode.
>
> Signed-off-by: Xiaowei Bao <xiaowei.bao@xxxxxxx>
> Signed-off-by: Li Yang <leoyang.li@xxxxxxx>
> ---
> .../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@3400000 {
> status = "disabled";
> };
>
> + pcie_ep1: pcie-ep@3400000 {
> + 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@3500000 {
> compatible = "fsl,ls1028a-pcie";
> reg = <0x00 0x03500000 0x0 0x00100000>, /* controller registers */
> @@ -664,6 +676,18 @@ pcie2: pcie@3500000 {
> status = "disabled";
> };
>
> + pcie_ep2: pcie-ep@3500000 {
> + 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@5000000 {
> 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@3400000: duplicate unit-address (also used in node /soc/pcie-ep@3400000)
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi:670.23-695.5: Warning (unique_unit_address): /soc/pcie@3500000: duplicate unit-address (also used in node /soc/pcie-ep@3500000)