| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc-gpio.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Broadcom XGS iProc GPIO controller |
| |
| maintainers: |
| - Chris Packham <chris.packham@alliedtelesis.co.nz> |
| |
| description: | |
| This controller is the Chip Common A GPIO present on a number of Broadcom |
| switch ASICs with integrated SoCs. |
| |
| properties: |
| compatible: |
| const: brcm,iproc-gpio-cca |
| |
| reg: |
| items: |
| - description: the I/O address containing the GPIO controller registers. |
| - description: the I/O address containing the Chip Common A interrupt registers. |
| |
| gpio-controller: true |
| |
| '#gpio-cells': |
| const: 2 |
| |
| ngpios: |
| minimum: 0 |
| maximum: 32 |
| |
| interrupt-controller: true |
| |
| '#interrupt-cells': |
| const: 2 |
| |
| interrupts: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - "#gpio-cells" |
| - gpio-controller |
| |
| additionalProperties: false |
| |
| dependencies: |
| interrupt-controller: [ interrupts ] |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| gpio@18000060 { |
| compatible = "brcm,iproc-gpio-cca"; |
| #gpio-cells = <2>; |
| reg = <0x18000060 0x50>, |
| <0x18000000 0x50>; |
| ngpios = <12>; |
| gpio-controller; |
| interrupt-controller; |
| #interrupt-cells = <2>; |
| interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; |
| }; |
| |
| |
| ... |