linux-kernel - [PATCH v2 5/5] dt-bindings: gpio: Add Loongson-1 GPIO

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Message-Id: <20230302125215.214014-6-keguang.zhang@gmail.com>
Date:   Thu,  2 Mar 2023 20:52:15 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Keguang Zhang <keguang.zhang@...il.com>
Subject: [PATCH v2 5/5] dt-bindings: gpio: Add Loongson-1 GPIO

Add devicetree binding document for Loongson-1 GPIO.

Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
---
V1 -> V2: Use the same consistent quotes
          Delete superfluous examples
---
 .../bindings/gpio/loongson,ls1x-gpio.yaml     | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/loongson,ls1x-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/loongson,ls1x-gpio.yaml b/Documentation/devicetree/bindings/gpio/loongson,ls1x-gpio.yaml
new file mode 100644
index 000000000000..1a472c05697c
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/loongson,ls1x-gpio.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 GPIO controller
+
+maintainers:
+  - Keguang Zhang <keguang.zhang@...il.com>
+
+properties:
+  compatible:
+    const: loongson,ls1x-gpio
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    minimum: 1
+    maximum: 32
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - "#gpio-cells"
+  - ngpios
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio0: gpio@...010c0 {
+        compatible = "loongson,ls1x-gpio";
+        reg = <0x1fd010c0 0x4>;
+
+        gpio-controller;
+        #gpio-cells = <2>;
+
+        ngpios = <32>;
+    };
+
+...
-- 
2.34.1