linux-kernel - [PATCH v3 01/10] dt-bindings: gpio: add QIXIS FPGA based GPIO controller

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Message-Id: <20250917090422.870033-2-ioana.ciornei@nxp.com>
Date: Wed, 17 Sep 2025 12:04:13 +0300
From: Ioana Ciornei <ioana.ciornei@....com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Shawn Guo <shawnguo@...nel.org>,
	Michael Walle <mwalle@...nel.org>,
	Lee Jones <lee@...nel.org>,
	devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Frank Li <Frank.Li@....com>
Subject: [PATCH v3 01/10] dt-bindings: gpio: add QIXIS FPGA based GPIO controller

Add a device tree binding for the QIXIS FPGA based GPIO controller.
Depending on the board, the QIXIS FPGA exposes registers which act as a
GPIO controller, each with 8 GPIO lines of fixed direction.

Since each QIXIS FPGA layout has its particularities, add a separate
compatible string for each board/GPIO register combination supported.

Since these GPIO controllers are trivial, make use of the newly added
trivial-gpio.yaml file instead of creating an entirely new one.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
Acked-by: Rob Herring (Arm) <robh@...nel.org>
Reviewed-by: Frank Li <Frank.Li@....com>
---
Changes in v2:
- Used the newly added trivial-gpio.yaml file
- Removed redundant "bindings" from commit title
- Added only one compatible string for the gpio controllers on
  LX2160ARDB since both registers have the same layout.
Changes in v3:
- none

 Documentation/devicetree/bindings/gpio/trivial-gpio.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/trivial-gpio.yaml b/Documentation/devicetree/bindings/gpio/trivial-gpio.yaml
index c994177de940..3f4bbd57fc52 100644
--- a/Documentation/devicetree/bindings/gpio/trivial-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/trivial-gpio.yaml
@@ -22,6 +22,8 @@ properties:
           - cznic,moxtet-gpio
           - dlg,slg7xl45106
           - fcs,fxl6408
+          - fsl,ls1046aqds-fpga-gpio-stat-pres2
+          - fsl,lx2160ardb-fpga-gpio-sfp
           - gateworks,pld-gpio
           - ibm,ppc4xx-gpio
           - loongson,ls1x-gpio
-- 
2.25.1