diff mbox series

[v1,1/7] dt-bindings: pinctrl: add external interrupt support to MT7622 pinctrl

Message ID 3898620ef606004aaddc332591ca467f56773029.1526835466.git.sean.wang@mediatek.com
State New
Headers show
Series add external interrupt support to MT7622 pinctrl | expand

Commit Message

Sean Wang May 20, 2018, 5:01 p.m. UTC 
From: Sean Wang <sean.wang@mediatek.com>

Extend the capability of MT7622 pinctrl with adding EINT so that each
GPIO can be used to notify CPU when a signal state is changing on the
line as an external interrupt.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Rob Herring May 22, 2018, 8:02 p.m. UTC | #1 
On Mon, May 21, 2018 at 01:01:47AM +0800, sean.wang@mediatek.com wrote:
> From: Sean Wang <sean.wang@mediatek.com>
> 
> Extend the capability of MT7622 pinctrl with adding EINT so that each
> GPIO can be used to notify CPU when a signal state is changing on the
> line as an external interrupt.
> 
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>
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Linus Walleij May 24, 2018, 7:36 a.m. UTC | #2 
On Sun, May 20, 2018 at 7:01 PM,  <sean.wang@mediatek.com> wrote:

> From: Sean Wang <sean.wang@mediatek.com>
>
> Extend the capability of MT7622 pinctrl with adding EINT so that each
> GPIO can be used to notify CPU when a signal state is changing on the
> line as an external interrupt.
>
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>

Patch applied with Rob's review tag.

Yours,
Linus Walleij
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diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
index f18ed99..743b32d 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
@@ -9,6 +9,16 @@  Required properties for the root node:
  - #gpio-cells: Should be two. The first cell is the pin number and the
    second is the GPIO flags.
 
+Optional properties:
+- interrupt-controller  : Marks the device node as an interrupt controller
+
+If the property interrupt-controller is defined, following property is required
+- reg-names: A string describing the "reg" entries. Must contain "eint".
+- interrupts : The interrupt output from the controller.
+- #interrupt-cells: Should be two.
+- interrupt-parent: Phandle of the interrupt parent to which the external
+  GPIO interrupts are forwarded to.
+
 Please refer to pinctrl-bindings.txt in this directory for details of the
 common pinctrl bindings used by client devices, including the meaning of the
 phrase "pin configuration node".