[PATCH v7 03/22] dt-bindings: add BCM63XX GPIO binding documentation

Álvaro Fernández Rojas
2021-03-15T11:43:26Z

Add binding documentation for the GPIO controller found in BCM6318, BCM6328,
BCM6358, BCM6362, BCM6368 and BCM63268 SoCs.

Co-developed-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
v7: new patch, splitted from pinctrl documentation

.../bindings/gpio/brcm,bcm63xx-gpio.yaml | 83 +++++++++++++++++++
1 file changed, 83 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml
new file mode 100644
index 000000000000..94a4f00ae2c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM63xx GPIO controller
+
+maintainers:
+ - Álvaro Fernández Rojas <noltari@gmail.com>
+ - Jonas Gorski <jonas.gorski@gmail.com>
+
+description: |+
+ The GPIO controller node should be the child of a syscon node.
+
+ Refer to the the bindings described in
+ Documentation/devicetree/bindings/mfd/syscon.yaml
+
+properties:
+ compatible:
+ enum:
+ - brcm,bcm6318-gpio
+ - brcm,bcm6328-gpio
+ - brcm,bcm6358-gpio
+ - brcm,bcm6362-gpio
+ - brcm,bcm6368-gpio
+ - brcm,bcm63268-gpio
+
+ data:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Offset in the register map for the data register (in bytes).
+
+ dirout:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Offset in the register map for the dirout register (in bytes).
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-ranges:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - gpio-controller
+ - gpio-ranges
+ - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio@0 {
+ compatible = "brcm,bcm6328-gpio";
+ reg = <0x0 0x10>;
+
+ data = <0xc>;
+ dirout = <0x4>;
+
+ gpio-controller;
+ gpio-ranges = <&pinctrl 0 0 32>;
+ #gpio-cells = <2>;
+ };
+
+ - |
+ gpio@0 {
+ compatible = "brcm,bcm63268-gpio";
+ reg = <0x0 0x10>;
+
+ data = <0xc>;
+ dirout = <0x4>;
+
+ gpio-controller;
+ gpio-ranges = <&pinctrl 0 0 52>;
+ #gpio-cells = <2>;
+ };
--
2.20.1