linux-kernel - [PATCH next 2/2] dt-bindings: gpio: add entry for hisilicon,gpio-ascend910

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Date:   Wed, 26 Oct 2022 11:42:19 +0800
From:   Weilong Chen <chenweilong@...wei.com>
To:     <chenweilong@...wei.com>, <f.fangjian@...wei.com>,
        <linus.walleij@...aro.org>, <yangyicong@...ilicon.com>,
        <xuwei5@...wei.com>, <robh+dt@...nel.org>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH next 2/2] dt-bindings: gpio: add entry for hisilicon,gpio-ascend910

Add the new compatible for HiSilicon gpio controller driver.

Signed-off-by: Weilong Chen <chenweilong@...wei.com>
---
 .../gpio/hisilicon,gpio-ascend910.yaml        | 54 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml

diff --git a/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml b/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
new file mode 100644
index 000000000000..912e4b808cae
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/hisilicon,gpio-ascend910.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon common GPIO controller Device Tree Bindings
+
+maintainers:
+  - Jay Fang <f.fangjian@...wei.com>
+
+properties:
+  compatible:
+    const: hisilicon,gpio-ascend910
+    description:
+      The HiSilicon common GPIO controller can be used for many different
+      types of SoC such as Huawei Ascend AI series chips.
+
+  reg:
+    description:
+      Address and length of the register set for the device.
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    minimum: 1
+    maximum: 32
+
+required:
+  - compatible
+  - gpio-controller
+  - reg
+  - interrupts
+  - ngpios
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    gpio@...d0000 {
+      compatible = "hisilicon,gpio-ascend910";
+      reg = <0x840d0000 0x1000>;
+      ngpios = <0x20>;
+      gpio-controller;
+      #gpio-cells = <2>;
+      interrupts = <0x0 33 0x4>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 746becb5fe92..0ec86558cdce 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9212,6 +9212,7 @@ HISILICON GPIO DRIVER
 M:	Jay Fang <f.fangjian@...wei.com>
 L:	linux-gpio@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
 F:	drivers/gpio/gpio-hisi.c
 
 HISILICON HIGH PERFORMANCE RSA ENGINE DRIVER (HPRE)
-- 
2.31.GIT