[PATCH v2 2/3] dt-bindings: gpio: Add EIO GPIO compatible to gpio-zynq

From: Shubhrajyoti Datta

Date: Wed Apr 15 2026 - 06:57:39 EST


EIO (Extended IO) is a GPIO block found on xa2ve3288 silicon..

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx>
---

Changes in v2:
- Add description of EIO block in the dt-bindings patch

.../devicetree/bindings/gpio/gpio-zynq.yaml | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index 30a7f836c341..1ca067217509 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
@@ -12,6 +12,7 @@ maintainers:
properties:
compatible:
enum:
+ - xlnx,eio-gpio-1.0
- xlnx,pmc-gpio-1.0
- xlnx,versal-gpio-1.0
- xlnx,zynq-gpio-1.0
@@ -30,7 +31,7 @@ properties:

gpio-line-names:
description: strings describing the names of each gpio line
- minItems: 58
+ minItems: 52
maxItems: 174

interrupt-controller: true
@@ -89,6 +90,17 @@ allOf:
minItems: 116
maxItems: 116

+ - if:
+ properties:
+ compatible:
+ enum:
+ - xlnx,eio-gpio-1.0
+ then:
+ properties:
+ gpio-line-names:
+ minItems: 52
+ maxItems: 52
+
required:
- compatible
- reg
--
2.34.1