Add RTC devicetree binding for Sophgo CV1800 SoC. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx> --- .../bindings/rtc/sophgo,cv1800-rtc.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml diff --git a/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml b/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml new file mode 100644 index 000000000000..01a926cb5c81 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/sophgo,cv1800-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Real Time Clock of the Sophgo CV1800 SoC + +allOf: + - $ref: rtc.yaml# + +maintainers: + - Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx> + +description: + Real Time Clock (RTC) is an independently powered module + within the chip, which includes a 32KHz oscillator and a + Power On Reset/POR submodule. It can be used for time display + and timed alarm generation. In addition, the hardware state + machine provides triggering and timing control for chip + power on, off, and reset. + +properties: + compatible: + items: + - const: sophgo,cv1800-rtc + - const: syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + rtc@5025000 { + compatible = "sophgo,cv1800-rtc", "syscon"; + reg = <0x5025000 0x2000>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk 15>; + }; +... -- 2.43.0
