diff mbox series

[v4,11/12] dt-bindings: arm: airoha: Add binding for Airoha GPIO controller

Message ID 20211125110738.41028-12-nbd@nbd.name (mailing list archive)
State New, archived
Headers show
Series Add support for Airoha EN7523 SoC | expand

Commit Message

Felix Fietkau Nov. 25, 2021, 11:07 a.m. UTC 
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

Comments

Linus Walleij Nov. 26, 2021, 1:19 a.m. UTC | #1 
Hi Felix,

thanks for your patch!

On Thu, Nov 25, 2021 at 12:24 PM Felix Fietkau <nbd@nbd.name> wrote:

> 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>

(...)

> +  reg:
> +    maxItems: 4

Can we write some short description on what the four different regs
are?

With that fixed:
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox series

Patch

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>;
+    };
+
+
+...