linux-kernel - Re: [PATCH v5 04/14] arm64: dts: Add i.MX8MM PCIe EP support

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Date:   Thu, 26 Jan 2023 14:47:30 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Richard Zhu <hongxing.zhu@....com>
Cc:     l.stach@...gutronix.de, bhelgaas@...gle.com, robh+dt@...nel.org,
        lorenzo.pieralisi@....com, kishon@...com, kw@...ux.com,
        frank.li@....com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-imx@....com
Subject: Re: [PATCH v5 04/14] arm64: dts: Add i.MX8MM PCIe EP support

On Mon, Jan 16, 2023 at 01:41:14PM +0800, Richard Zhu wrote:
> Add i.MX8MM PCIe EP support.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index 4ee89fdcf59b..8124761f629c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -1293,6 +1293,26 @@ pcie0: pcie@...00000 {
>  			status = "disabled";
>  		};
>  
> +		pcie0_ep: pcie_ep@...00000 {

Hyphen is more preferable than underscore in name node.

I fixed it (and the other two patches) up, and applied all DTS patches.

Shawn

> +			compatible = "fsl,imx8mm-pcie-ep";
> +			reg = <0x33800000 0x400000>,
> +			      <0x18000000 0x8000000>;
> +			reg-names = "regs", "addr_space";
> +			num-lanes = <1>;
> +			interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "dma";
> +			fsl,max-link-speed = <2>;
> +			power-domains = <&pgc_pcie>;
> +			resets = <&src IMX8MQ_RESET_PCIE_CTRL_APPS_EN>,
> +				 <&src IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF>;
> +			reset-names = "apps", "turnoff";
> +			phys = <&pcie_phy>;
> +			phy-names = "pcie-phy";
> +			num-ib-windows = <4>;
> +			num-ob-windows = <4>;
> +			status = "disabled";
> +		};
> +
>  		gpu_3d: gpu@...00000 {
>  			compatible = "vivante,gc";
>  			reg = <0x38000000 0x8000>;
> -- 
> 2.25.1
>