Re: [PATCH v2 1/4] dt-bindings: pci: remove fallback from Rockchip DesignWare binding

From: Rob Herring
Date: Thu Apr 14 2022 - 13:54:00 EST


On Wed, Apr 13, 2022 at 09:37:28AM -0400, Peter Geis wrote:
> The snps,dw-pcie binds to a standalone driver.
> It is not fully compatible with the Rockchip implementation and causes a
> hang if it binds to the device.
>
> Remove this binding as a valid fallback.
>
> Signed-off-by: Peter Geis <pgwipeout@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> index 142bbe577763..8dc11fed8a3c 100644
> --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> @@ -32,7 +32,6 @@ properties:
> compatible:
> items:
> - const: rockchip,rk3568-pcie
> - - const: snps,dw-pcie

With this, you no longer need 'select' so please drop it too.

>
> reg:
> items:
> @@ -110,7 +109,7 @@ examples:
> #size-cells = <2>;
>
> pcie3x2: pcie@fe280000 {
> - compatible = "rockchip,rk3568-pcie", "snps,dw-pcie";
> + compatible = "rockchip,rk3568-pcie";
> reg = <0x3 0xc0800000 0x0 0x390000>,
> <0x0 0xfe280000 0x0 0x10000>,
> <0x3 0x80000000 0x0 0x100000>;
> --
> 2.25.1
>
>