[PATCH 1/2] Documentation: bindings: add dt documentation for Rockchip PCIe PHY

[Doug Anderson]

Shawn,

On Wed, Jun 8, 2016 at 12:25 AM, Shawn Lin <shawn.lin at rock-chips.com> wrote:
> This patch adds a binding that describes the Rockchip PCIe PHY
> found on Rockchip SoCs PCIe interface.
>
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
> ---
>
>  .../devicetree/bindings/phy/rockchip-pcie-phy.txt  | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt
> new file mode 100644
> index 0000000..ba8c406
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt
> @@ -0,0 +1,22 @@
> +Rockchip PCIE PHY
> +-----------------------
> +
> +Required properties:
> + - compatible: rockchip,rk3399-pcie-phy
> + - #phy-cells: must be 0

Code also requires reset and clock.

clocks = <&cru SCLK_PCIEPHY_REF>;
clock-names = "refclk";
resets = <&cru SRST_PCIEPHY>;
reset-names = "phy";