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[PATCH net-next 10/12] dt-bindings: net: document bcmgenet WoL interrupt

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  [PATCH net-next 10/12] dt-bindings: net: document bcmgenet WoL interrupt Doug Berger <opendmb@gmail.com> - 2017-03-14 01:50 +0100
    Re: [PATCH net-next 10/12] dt-bindings: net: document bcmgenet WoL  interrupt Rob Herring <robh@kernel.org> - 2017-03-20 23:10 +0100

#1599943 — [PATCH net-next 10/12] dt-bindings: net: document bcmgenet WoL interrupt

A third interrupt cell can be provided to optionally specify
the interrupt used for handling Wake on LAN events.

Typically the wake up handling uses a separate interrupt
controller, so the interrupts-extended property is used to
accommodate this.

Signed-off-by: Doug Berger <opendmb@gmail.com>
---
 Documentation/devicetree/bindings/net/brcm,bcmgenet.txt | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
index 10587bdadbbe..01a70463cbc5 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
+++ b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
@@ -4,9 +4,12 @@ Required properties:
 - compatible: should contain one of "brcm,genet-v1", "brcm,genet-v2",
   "brcm,genet-v3", "brcm,genet-v4".
 - reg: address and length of the register set for the device
-- interrupts: must be two cells, the first cell is the general purpose
-  interrupt line, while the second cell is the interrupt for the ring
-  RX and TX queues operating in ring mode
+- interrupts and/or interrupts-extended: must be two cells, the first cell
+  is the general purpose interrupt line, while the second cell is the
+  interrupt for the ring RX and TX queues operating in ring mode.  An
+  optional third interrupt cell for Wake-on-LAN can be specified.
+  See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+  for information on the property specifics.
 - phy-mode: see ethernet.txt file in the same directory
 - #address-cells: should be 1
 - #size-cells: should be 1
-- 
2.11.1

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#1605167 — Re: [PATCH net-next 10/12] dt-bindings: net: document bcmgenet WoL interrupt

On Mon, Mar 13, 2017 at 05:41:40PM -0700, Doug Berger wrote:
> A third interrupt cell can be provided to optionally specify
> the interrupt used for handling Wake on LAN events.
> 
> Typically the wake up handling uses a separate interrupt
> controller, so the interrupts-extended property is used to
> accommodate this.

Using interrupts vs. interrupts-extended is beyond the scope of the 
binding doc. IOW, documenting interrupts is enough and using
interrupts-extended is allowed.

> 
> Signed-off-by: Doug Berger <opendmb@gmail.com>
> ---
>  Documentation/devicetree/bindings/net/brcm,bcmgenet.txt | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
> index 10587bdadbbe..01a70463cbc5 100644
> --- a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
> +++ b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt
> @@ -4,9 +4,12 @@ Required properties:
>  - compatible: should contain one of "brcm,genet-v1", "brcm,genet-v2",
>    "brcm,genet-v3", "brcm,genet-v4".
>  - reg: address and length of the register set for the device
> -- interrupts: must be two cells, the first cell is the general purpose
> -  interrupt line, while the second cell is the interrupt for the ring
> -  RX and TX queues operating in ring mode
> +- interrupts and/or interrupts-extended: must be two cells, the first cell
> +  is the general purpose interrupt line, while the second cell is the
> +  interrupt for the ring RX and TX queues operating in ring mode.  An
> +  optional third interrupt cell for Wake-on-LAN can be specified.

Does the generic wakeup source work for this?

> +  See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +  for information on the property specifics.
>  - phy-mode: see ethernet.txt file in the same directory
>  - #address-cells: should be 1
>  - #size-cells: should be 1
> -- 
> 2.11.1
> 

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