linux-kernel - [RFC PATH 1/2] dt-bindings: gpio: add starfive,jh7100-gpio bindings

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Message-Id: <20210701002037.912625-2-drew@beagleboard.org>
Date:   Wed, 30 Jun 2021 17:20:38 -0700
From:   Drew Fustini <drew@...gleboard.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Michael Zhu <michael.zhu@...rfivetech.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Fu Wei <tekkamanninja@...il.com>, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-riscv@...ts.infradead.org,
        devicetree@...r.kernel.org
Cc:     Drew Fustini <drew@...gleboard.org>,
        Huan Feng <huan.feng@...rfivetech.com>
Subject: [RFC PATH 1/2] dt-bindings: gpio: add starfive,jh7100-gpio bindings

Add bindings for the GPIO controller in the StarFive JH7100 SoC [1].

[1] https://github.com/starfive-tech/beaglev_doc

Signed-off-by: Drew Fustini <drew@...gleboard.org>
Signed-off-by: Huan Feng <huan.feng@...rfivetech.com>
---
 .../bindings/gpio/starfive,jh7100-gpio.yaml   | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/starfive,jh7100-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/starfive,jh7100-gpio.yaml b/Documentation/devicetree/bindings/gpio/starfive,jh7100-gpio.yaml
new file mode 100644
index 000000000000..8c9d14d9ac3b
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/starfive,jh7100-gpio.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/starfive,jh7100-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7100 GPIO controller
+
+maintainers:
+  - Huan Feng <huan.feng@...rfivetech.com>
+  - Drew Fustini <drew@...gleboard.org>
+
+properties:
+  compatible:
+    items:
+      - const: starfive,jh7100-gpio
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
+    minItems: 1
+    maxItems: 32
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  interrupt-controller: true
+
+  "#interrupt-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - "#interrupt-cells"
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
+
+examples:
+  - |
+      gpio@...10000 {
+        compatible = "starfive,jh7100-gpio";
+        reg = <0x11910000 0x10000>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        interrupts = <32>;
+      };
+
+...
-- 
2.27.0