Re: [PATCH] gpio: pca953x: Add optional reset gpio control

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On 01/04/2017 05:22 AM, Rob Herring wrote:
On Mon, Jan 02, 2017 at 01:07:51PM -0800, Steve Longerbeam wrote:
Add optional reset-gpios pin control. If present, de-assert the
specified reset gpio pin to bring the chip out of reset.

Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
  Documentation/devicetree/bindings/gpio/gpio-pca953x.txt |  4 ++++
  drivers/gpio/gpio-pca953x.c                             | 11 +++++++++++
  2 files changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
index 08dd15f..da54f4c 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
@@ -29,6 +29,10 @@ Required properties:
  	onsemi,pca9654
  	exar,xra1202
+Optional properties:
+ - reset-gpios: GPIO specification for the RESET input
Need to specify active high or low.

done (it's an active low signal).

Steve

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