blob: dc6043adcb3d4120c85bd19e43fe12ec619052ff [file] [log] [blame]
description: Xilinx AXI GPIO IP node
compatible: "xlnx,xps-gpio-1.00.a"
include: [gpio-controller.yaml, base.yaml]
bus: xlnx,xps-gpio-1.00.a
# Property names correspond to a subset of those generated by
# https://github.com/Xilinx/device-tree-xlnx
properties:
reg:
required: true
xlnx,all-inputs:
type: int
description: |
1 if all GPIOs are inputs, 0 otherwise
xlnx,all-outputs:
type: int
description: |
1 if all GPIOs are outputs, 0 otherwise
xlnx,dout-default:
type: int
description: |
Default output value. If n-th bit is 1, GPIO-n default value is 1.
xlnx,gpio-width:
type: int
description: |
Number of GPIOs supported
xlnx,tri-default:
type: int
description: |
Default tristate register value. If n-th bit is 1, GPIO-n is an input.
xlnx,is-dual:
type: int
description: |
1 if controller has GPIO2 enabled, 0 otherwise
xlnx,all-inputs-2:
type: int
description: |
1 if all GPIO2s are inputs, 0 otherwise
xlnx,all-outputs-2:
type: int
description: |
1 if all GPIO2s are outputs, 0 otherwise
xlnx,dout-default-2:
type: int
description: |
Default output value. If n-th bit is 1, GPIO2-n default value is 1.
xlnx,gpio2-width:
type: int
description: |
Number of GPIO2s supported
xlnx,tri-default-2:
type: int
description: |
Default tristate register value. If n-th bit is 1, GPIO2-n is an input.
"#gpio-cells":
const: 2
gpio-cells:
- pin
- flags