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Diffstat (limited to 'Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml new file mode 100644 index 000000000..7ed0230f6 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/xlnx,zynqmp-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Zynq Ultrascale+ MPSoC Real Time Clock + +description: + RTC controller for the Xilinx Zynq MPSoC Real Time Clock. + The RTC controller has separate IRQ lines for seconds and alarm. + +maintainers: + - Michal Simek <michal.simek@xilinx.com> + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + const: xlnx,zynqmp-rtc + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: rtc + + interrupts: + maxItems: 2 + + interrupt-names: + items: + - const: alarm + - const: sec + + calibration: + description: | + calibration value for 1 sec period which will + be programmed directly to calibration register. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0x1 + maximum: 0x1FFFFF + default: 0x198233 + deprecated: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + rtc: rtc@ffa60000 { + compatible = "xlnx,zynqmp-rtc"; + reg = <0x0 0xffa60000 0x0 0x100>; + interrupt-parent = <&gic>; + interrupts = <0 26 4>, <0 27 4>; + interrupt-names = "alarm", "sec"; + calibration = <0x198233>; + clock-names = "rtc"; + clocks = <&rtc_clk>; + }; + }; |