[PATCH v2 2/2] dt-bindings: gpio: Add devicetree binding for IDT 79RC3243x GPIO controller

Thomas Bogendoerfer
2021-04-21T16:20:44Z

Add YAML devicetree binding for IDT 79RC3243x GPIO controller

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
.../bindings/gpio/gpio-idt3243x.yaml | 73 +++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml

diff --git a/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml b/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml
new file mode 100644
index 000000000000..346a57ef8298
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/gpio-idt3243x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IDT 79RC32434x GPIO controller
+
+maintainers:
+ - Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+
+properties:
+ compatible:
+ const: idt,3243x-gpio
+
+ reg:
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: gpio
+ - const: pic
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ ngpios:
+ description:
+ Number of available gpios in a bank.
+ minimum: 1
+ maximum: 32
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - gpio-controller
+ - "#gpio-cells"
+ - ngpios
+ - interrupt-controller
+ - "#interrupt-cells"
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio0: interrupt-controller@50000 {
+ compatible = "idt,3243x-gpio";
+ reg = <0x50000 0x14>, <0x38030 0x0c>;
+ reg-names = "gpio", "pic";
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <6>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ ngpios = <14>;
+ };
--
2.29.2