Commit c54030b1 authored Apr 26, 2020 by Samuel Holland Committed by Rob Herring May 11, 2020

dt-bindings: timer: Document allwinner,erratum-unknown1 property



This arch_timer property was added in commit c950ca8c
("clocksource/drivers/arch_timer: Workaround for Allwinner A64 timer instability")
but I omitted the device tree binding documentation. Now
`make dtbs_check` prints the following warning for all A64 boards:

timer: 'allwinner,erratum-unknown1' does not match any of the regexes: 'pinctrl-[0-9]+'

Resolve this by documenting the erratum property.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Rob Herring <robh@kernel.org>

parent 0b714009

Documentation/devicetree/bindings/timer/arm,arch_timer.yaml

+6 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,12 @@ properties:
		description: If present, the timer is powered through an always-on power
		domain, therefore it never loses context.

		allwinner,erratum-unknown1:
		type: boolean
		description: Indicates the presence of an erratum found in Allwinner SoCs,
		where reading certain values from the counter is unreliable. This also
		affects writes to the tval register, due to the implicit counter read.

		fsl,erratum-a008585:
		type: boolean
		description: Indicates the presence of QorIQ erratum A-008585, which says

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