[PATCH] PCI: layerscape: Add support for ls2088a and ls1088a

[Bjorn Helgaas]

[+cc Minghuan, Mingkai, Roy]

On Thu, Jul 06, 2017 at 05:39:44PM +0800, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> The ls1088a and ls2088a has the same PCIe controller, so the ls1088a
> will reuse the ls2088a's pcie compatible.
> 
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---
>  Documentation/devicetree/bindings/pci/layerscape-pci.txt | 1 +
>  drivers/pci/dwc/pci-layerscape.c                         | 9 +++++++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> index ee1c72d5..cb735e1 100644
> --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> @@ -15,6 +15,7 @@ Required properties:
>  - compatible: should contain the platform identifier such as:
>          "fsl,ls1021a-pcie", "snps,dw-pcie"
>          "fsl,ls2080a-pcie", "fsl,ls2085a-pcie", "snps,dw-pcie"
> +        "fsl,ls2088a-pcie", "fsl,ls1088a-pcie"

You add "fsl,ls1088a-pcie" here, but not in the ls_pcie_of_match[]
table in the driver, so I don't think this will actually make the
driver claim ls1088a devices, will it?

I'm also waiting for an ack from the layerscape maintainers (added to
cc list).

>          "fsl,ls1046a-pcie"
>  - reg: base addresses and lengths of the PCIe controller
>  - interrupts: A list of interrupt outputs of the controller. Must contain an
> diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
> index 9bed3cd..0df8189 100644
> --- a/drivers/pci/dwc/pci-layerscape.c
> +++ b/drivers/pci/dwc/pci-layerscape.c
> @@ -239,12 +239,21 @@ static struct ls_pcie_drvdata ls2080_drvdata = {
>  	.dw_pcie_ops = &dw_ls_pcie_ops,
>  };
>  
> +static struct ls_pcie_drvdata ls2088_drvdata = {
> +	.lut_offset = 0x80000,
> +	.ltssm_shift = 0,
> +	.lut_dbg = 0x407fc,
> +	.ops = &ls_pcie_host_ops,
> +	.dw_pcie_ops = &dw_ls_pcie_ops,
> +};
> +
>  static const struct of_device_id ls_pcie_of_match[] = {
>  	{ .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata },
>  	{ .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata },
>  	{ .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata },
>  	{ .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata },
>  	{ .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata },
> +	{ .compatible = "fsl,ls2088a-pcie", .data = &ls2088_drvdata },
>  	{ },
>  };
>  
> -- 
> 2.1.0.27.g96db324
> 
> 
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