The LiteX SoC generator has a timer core, which by default only generates a simple down counter. Add a DT binding for it. Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx> --- .../bindings/timer/litex,timer.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/litex,timer.yaml diff --git a/Documentation/devicetree/bindings/timer/litex,timer.yaml b/Documentation/devicetree/bindings/timer/litex,timer.yaml new file mode 100644 index 000000000000..bece07586c6b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/litex,timer.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/litex,timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LiteX Timer + +maintainers: + - Icenowy Zheng <uwu@xxxxxxxxxx> + +description: | + The LiteX Timer is a count-down timer that is defaultly embedded + into all LiteX SoCs, unless explicitly disabled. It's fed directly + by the system clock like other LiteX peripherals. + +properties: + compatible: + const: litex,timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + litex,width: + description: + The width of the timer's value, specified as the width argument + when creating an instance of litex.soc.cores.Timer. + +required: + - compatible + - reg + - interrupts + - clocks + - litex,width + +additionalProperties: false + +examples: + - | + timer@a0006000 { + compatible = "litex,timer"; + reg = <0xa0006000 0x20>; + clocks = <&sys_clk>; + interrupts = <17>; + litex,width = <32>; + }; -- 2.37.1
