The real time clocks have a bunch of generic properties that are needed in a device tree. Add a YAML schemas for those. Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> --- Documentation/devicetree/bindings/rtc/rtc.txt | 34 +------------- Documentation/devicetree/bindings/rtc/rtc.yaml | 50 +++++++++++++++++++- 2 files changed, 51 insertions(+), 33 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/rtc.yaml diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt index a97fc6a9a75e..4d6f81dccc68 100644 --- a/Documentation/devicetree/bindings/rtc/rtc.txt +++ b/Documentation/devicetree/bindings/rtc/rtc.txt @@ -1,36 +1,4 @@ -Generic device tree bindings for Real Time Clock devices -======================================================== - -This document describes generic bindings which can be used to describe Real Time -Clock devices in a device tree. - -Required properties -------------------- - -- compatible : name of RTC device following generic names recommended practice. - -For other required properties e.g. to describe register sets, -clocks, etc. check the binding documentation of the specific driver. - -Optional properties -------------------- - -- start-year : if provided, the default hardware range supported by the RTC is - shifted so the first usable year is the specified one. - -The following properties may not be supported by all drivers. However, if a -driver wants to support one of the below features, it should adapt the bindings -below. -- trickle-resistor-ohms : Selected resistor for trickle charger. Should be given - if trickle charger should be enabled -- trickle-diode-disable : Do not use internal trickle charger diode Should be - given if internal trickle charger diode should be - disabled -- wakeup-source : Enables wake up of host system on alarm -- quartz-load-femtofarads : The capacitive load of the quartz(x-tal), - expressed in femto Farad (fF). - The default value shall be listed (if optional), - and likewise all valid values. +This file has been moved to rtc.yaml. Trivial RTCs ------------ diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml new file mode 100644 index 000000000000..ee237b2ed66a --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RTC Generic Binding + +maintainers: + - Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> + +description: | + This document describes generic bindings which can be used to + describe Real Time Clock devices in a device tree. + +properties: + $nodename: + pattern: "^rtc(@.*|-[0-9a-f])*$" + + quartz-load-femtofarads: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The capacitive load of the quartz(x-tal), expressed in femto + Farad (fF). The default value shall be listed (if optional), + and likewise all valid values. + + start-year: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + If provided, the default hardware range supported by the RTC is + shifted so the first usable year is the specified one. + + trickle-diode-disable: + $ref: /schemas/types.yaml#/definitions/flag + description: + Do not use internal trickle charger diode. Should be given if + internal trickle charger diode should be disabled. + + trickle-resistor-ohms: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Selected resistor for trickle charger. Should be given + if trickle charger should be enabled. + + wakeup-source: + $ref: /schemas/types.yaml#/definitions/flag + description: + Enables wake up of host system on alarm. + +... base-commit: 531b0a360899269bd99a38ba9852a8ba46852bcd -- git-series 0.9.1
