Re: [PATCH 3/4] PCI: Add driver for i.MX6 PCI Express

[Alexander Shiyan]

> This adds a PCI Express port driver for the on-chip PCI Express port
> present on the i.MX6 SoC.  It is based on the PCI Express driver available
> in the Freescale BSP.
> 
> Signed-off-by: Sean Cross <xobs at kosagi.com>
...
> +++ b/Documentation/devicetree/bindings/pci/imx6q-pcie.txt
> @@ -0,0 +1,20 @@
> +* Freescale i.MX6Q PCI Express bridge
> +
> +Example (i.MX6Q)
> +	pcie: pcie at 01ffc000 {
> +		compatible = "fsl,imx6q-pcie";
> +		reg = <0x01ffc000 0x4000>,
> +		      <0x01000000 0x100000>,
> +		      <0x01100000 0xe00000>,
> +		      <0x01f00000 0xfc000>;
> +		interrupts = <0 122 0x04>;
> +		clocks = <&clks 186>, <&clks 189>, <&clks 196>,
> +			 <&clks 198>, <&clks 144>;
> +		clock-names = "sata_ref", "pcie_ref_125m", "lvds1_sel",
> +			      "lvds1", "pcie_axi";
> +		power-enable = <&gpio7 12 0>;
> +		pcie-reset = <&gpio3 29 0>;

Can this be replaced with regulator/reset API?

> +		wake-up = <&gpio3 22 0>;
> +		disable-endpoint = <&gpio2 16 0>;
> +	};

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