Create device tree binding document for xrt group device. Signed-off-by: Sonal Santan <sonal.santan@xxxxxxxxxx> Signed-off-by: Max Zhen <max.zhen@xxxxxxxxxx> Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxxxxx> --- .../bindings/xrt/xlnx,xrt-group.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/xrt/xlnx,xrt-group.yaml diff --git a/Documentation/devicetree/bindings/xrt/xlnx,xrt-group.yaml b/Documentation/devicetree/bindings/xrt/xlnx,xrt-group.yaml new file mode 100644 index 000000000000..112c493eb2d2 --- /dev/null +++ b/Documentation/devicetree/bindings/xrt/xlnx,xrt-group.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/xrt/xlnx,xrt-group.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx XRT group for Alveo platforms + +description: | + The xrt group is a pseudo device which is used to manage and + support xrt devices in the same Alveo partition. It is part + of XRT infrastructure. + +maintainers: + - Lizhi Hou <lizhi.hou@xxxxxxxxxx> + +properties: + compatible: + const: xlnx,xrt-group + + "#address-cells": + const: 3 + + "#size-cells": + const: 2 + + ranges: true + +patternProperties: + "^.*@[0-5],[0-9a-f]+,[0-9a-f]+$": + description: xrt devices belongs to this group + type: object + +required: + - compatible + - "#address-cells" + - "#size-cells" + - ranges + +additionalProperties: false + +examples: + - | + xrt-bus { + #address-cells = <2>; + #size-cells = <2>; + xrt-group@48,0 { + compatible = "xlnx,xrt-group"; + #address-cells = <3>; + #size-cells = <2>; + ranges = <0 0 0 0 0xe0000000 0 0x2000000 + 2 0 0 0 0xe4200000 0 0x40000>; + ep_fpga_configuration_00@0,0,1e88000 { + reg = <0 0 0x1e88000 0 0x8000>; + compatible = "xilinx.com,reg_abs-axi_hwicap-1.0", + "axi_hwicap"; + }; + }; + }; -- 2.27.0
