This adds the documentation for the devicetree bindings of the Texas Instruments RTC modules on K3 family of SoCs such as AM62x SoCs or newer. Signed-off-by: Nishanth Menon <nm@xxxxxx> --- Changes since V2: * Krzysztof's comments addressed (rtc.yaml, dropped wakeup-source, switched over to unevaluatedProperties) V2: https://lore.kernel.org/all/20220511002600.27964-2-nm@xxxxxx/ V1: https://lore.kernel.org/all/20220412073138.25027-2-nm@xxxxxx/ .../devicetree/bindings/rtc/ti,k3-rtc.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml diff --git a/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml new file mode 100644 index 000000000000..d995ef04a6eb --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/ti,k3-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 Real Time Clock + +maintainers: + - Nishanth Menon <nm@xxxxxx> + +description: | + This RTC appears in the AM62x family of SoCs. + +allOf: + - $ref: "rtc.yaml#" + +properties: + compatible: + enum: + - ti,am62-rtc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: VBUS Interface clock + - description: 32k Clock source (external or internal). + + clock-names: + items: + - const: vbus + - const: osc32k + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + rtc@2b1f0000 { + compatible = "ti,am62-rtc"; + reg = <0x2b1f0000 0x100>; + interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&bar 0>; + clocks = <&foo 0>, <&foo 1>; + clock-names = "vbus", "osc32k"; + wakeup-source; + }; -- 2.31.1
