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From: Felix Fietkau <nbd@nbd.name>
To: linux-arm-kernel@lists.infradead.org,
 Linus Walleij <linus.walleij@linaro.org>,
 Bartosz Golaszewski <brgl@bgdev.pl>, Rob Herring <robh+dt@kernel.org>,
 John Crispin <john@phrozen.org>
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org
Subject: [PATCH v4 11/12] dt-bindings: arm: airoha: Add binding for Airoha
 GPIO controller
Date: Thu, 25 Nov 2021 12:07:37 +0100
Message-Id: <20211125110738.41028-12-nbd@nbd.name>
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From: John Crispin <john@phrozen.org>

Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
GPIOs

Signed-off-by: John Crispin <john@phrozen.org>
---
 .../bindings/gpio/airoha,en7523-gpio.yaml     | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml
new file mode 100644
index 000000000000..9ab36a7c1a3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/airoha,en7523-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7523 GPIO controller
+
+maintainers:
+  - John Crispin <john@phrozen.org>
+
+description: |
+  Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
+  GPIOs.
+
+properties:
+  $nodename:
+    pattern: "^gpio@[0-9a-f]+$"
+
+  compatible:
+    items:
+      - const: airoha,en7523-gpio
+
+  reg:
+    maxItems: 4
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-controller: true
+
+required:
+  - compatible
+  - reg
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio0: gpio@1fbf0200 {
+        compatible = "airoha,en7523-gpio";
+        reg = <0x1fbf0204 0x4>,
+              <0x1fbf0200 0x4>,
+              <0x1fbf0220 0x4>,
+              <0x1fbf0214 0x4>;
+        gpio-controller;
+        #gpio-cells = <2>;
+    };
+
+    gpio1: gpio@1fbf0270 {
+        compatible = "airoha,en7523-gpio";
+        reg = <0x1fbf0270 0x4>,
+              <0x1fbf0260 0x4>,
+              <0x1fbf0264 0x4>,
+              <0x1fbf0278 0x4>;
+        gpio-controller;
+        #gpio-cells = <2>;
+    };
+
+
+...