linux-kernel - [PATCH v2] dt-bindings: gpio: pca95xx: add Toradex ecgpiol16

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Message-Id: <20250331072644.17921-1-francesco@dolcini.it>
Date: Mon, 31 Mar 2025 09:26:44 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Emanuele Ghidoli <emanuele.ghidoli@...adex.com>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: [PATCH v2] dt-bindings: gpio: pca95xx: add Toradex ecgpiol16

From: Emanuele Ghidoli <emanuele.ghidoli@...adex.com>

The Toradex ecgpiol16 is a 16-bit I2C I/O expander implemented using a
small MCU.
Its register interface and behavior are compatible with the PCAL6416.

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@...adex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
v2: compatible changed from embedded-controller-io16 to ecgpiol16
v1: https://lore.kernel.org/all/20250328122917.43273-1-francesco@dolcini.it/
---
 Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
index 7b1eb08fa055..4d3f52f8d1b8 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
@@ -16,6 +16,9 @@ description: |+
 properties:
   compatible:
     oneOf:
+      - items:
+          - const: toradex,ecgpiol16
+          - const: nxp,pcal6416
       - items:
           - const: diodes,pi4ioe5v6534q
           - const: nxp,pcal6534
@@ -132,6 +135,7 @@ allOf:
               - maxim,max7325
               - maxim,max7326
               - maxim,max7327
+              - toradex,ecgpiol16
     then:
       properties:
         reset-gpios: false
-- 
2.39.5