[PATCH 30/37] dt-bindings: PCI: dra7xx: Add dt bindings to enable legacy mode

Rob Herring robh at kernel.org
Wed Jan 18 13:46:03 PST 2017


On Thu, Jan 12, 2017 at 03:56:19PM +0530, Kishon Vijay Abraham I wrote:
> Update device tree binding documentation of TI's dra7xx PCI
> controller to include property for enabling legacy mode.
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
> ---
>  Documentation/devicetree/bindings/pci/ti-pci.txt |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt
> index 62f5f59..ed85e8e 100644
> --- a/Documentation/devicetree/bindings/pci/ti-pci.txt
> +++ b/Documentation/devicetree/bindings/pci/ti-pci.txt
> @@ -39,6 +39,10 @@ DEVICE MODE
>   - interrupts : one interrupt entries must be specified for main interrupt.
>   - num-ib-windows : number of inbound address translation windows
>   - num-ob-windows : number of outbound address translation windows
> + - syscon-legacy-mode: phandle to the syscon dt node. The 1st argument should
> +		       contain the register offset within syscon and the 2nd
> +		       argument should contain the bit field for setting the
> +		       legacy mode

What's legacy mode?

>  
>  Optional Property:
>   - gpios : Should be added if a gpio line is required to drive PERST# line
> -- 
> 1.7.9.5
> 
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