Hi,
On Mon, Jun 13, 2016 at 5:44 PM, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
>
> ---
>
> Changes in v2:
> - add clk and reset description
> - remove unit-address
>
> .../devicetree/bindings/phy/rockchip-pcie-phy.txt | 32 ++++++++++++++++++++++
> 1 file changed, 32 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..ad55c67
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt
> @@ -0,0 +1,32 @@
> +Rockchip PCIE PHY
> +-----------------------
> +
> +Required properties:
> + - compatible: rockchip,rk3399-pcie-phy
> + - #phy-cells: must be 0
> + - clocks: Must contain an entry in clock-names.
> + See ../clocks/clock-bindings.txt for details.
> + - clock-names: Must be "refclk"
> + - resets: Must contain an entry in reset-names.
> + See ../reset/reset.txt for details.
> + - reset-names: Must be "phy"
> +
> +Example:
> +
> +grf: syscon@ff770000 {
> + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + ...
> +
> + pcie-phy: phy {
Just calling this node "phy" isn't a good idea. There will be
multiple PHYs under the GRF and they can't all have a subnode named
"phy".
Also: at least in Rockchip device trees usually aliases use
underscores whereas node names use dashes. I'm not actually sure what
the official device tree policy is on this, but it's what I've seen
done. So this should actually be:
pcie_phy: pcie-phy {
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