diff options
| author | Conor Dooley <conor.dooley@microchip.com> | 2022-02-14 13:58:34 +0000 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-03-09 21:46:39 -0800 |
| commit | 735806d8a68e96fd7cfca8497dc9dd672ce22236 (patch) | |
| tree | 7711a0b50c3950ae1901858e3c953706916be794 /Documentation/devicetree | |
| parent | 4cbcc0d7b397b903b4b2ba749c36b8837d5dc782 (diff) | |
| download | linux-735806d8a68e96fd7cfca8497dc9dd672ce22236.tar.bz2 | |
dt-bindings: gpio: add bindings for microchip mpfs gpio
Add device tree bindings for the gpio controller on
the Microchip PolarFire SoC.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml | 79 |
1 files changed, 79 insertions, 0 deletions
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@microchip.com> + +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>; + }; +... |