From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Add device tree bindings for the gpio controller on the Microchip PolarFire SoC. Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> --- .../bindings/gpio/microchip,mpfs-gpio.yaml | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml new file mode 100644 index 000000000000..110651eafa70 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS GPIO Controller Device Tree Bindings + +maintainers: + - Conor Dooley <conor.dooley@xxxxxxxxxxxxx> + +properties: + compatible: + items: + - enum: + - microchip,mpfs-gpio + + reg: + maxItems: 1 + + interrupts: + description: + Interrupt mapping, one per GPIO. Maximum 32 GPIOs. + minItems: 1 + maxItems: 32 + + interrupt-controller: true + + clocks: + maxItems: 1 + + "#gpio-cells": + const: 2 + + "#interrupt-cells": + const: 1 + + ngpios: + description: + The number of GPIOs available. + minimum: 1 + maximum: 32 + default: 32 + + gpio-controller: true + +required: + - compatible + - reg + - interrupts + - "#interrupt-cells" + - interrupt-controller + - "#gpio-cells" + - gpio-controller + - clocks + +additionalProperties: false + +examples: + - | + gpio@20122000 { + compatible = "microchip,mpfs-gpio"; + reg = <0x20122000 0x1000>; + clocks = <&clkcfg 25>; + interrupt-parent = <&plic>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>, + <53>, <53>, <53>, <53>; + }; +... -- 2.35.1
