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SubjectRe: [PATCH v2 1/2] dt-bindings: rtc: Add bindings for Cadence RTC
On 17/01/2019 10:46:50+0000, Jan Kotas wrote:
>
> > On 16 Jan 2019, at 22:08, Rob Herring <robh@kernel.org> wrote:
> >
> >
> > On Fri, Jan 11, 2019 at 03:14:00PM +0000, Jan Kotas wrote:
> >> This patch adds a DT binding documentation for
> >> Cadence RTC controller.
> >> +Required properties:
> >> +- compatible: Should be "cdns,rtc-r109v3"
> >> +- reg: Specifies base physical address and size of the register area.
> >> +- interrupts: A single interrupt specifier.
> >> +- clocks: Must contain two entries:
> >> + - pclk: APB registers clock
> >> + - ref_clk: reference 1Hz of 100Hz clock, depending on IP configuration
> >
> > 1Hz OR 100Hz?
>
> Hi,
>
> The IP has a configuration parameter at build time,
> which selects the reference clock frequency.
>
> It cannot be changed later, and there’s no register which
> tells the software which option was selected.
>
> In this version of the patch, both values are accepted.
> If it makes sense I can add a bool property, like
> refclock-100hz, which can be used to check the clock frequency.
>

I guess what rob suggested was s/of/or/


--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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