On 10/28/2014 04:58 AM, Lokesh Vutla wrote: > Certain SoCs such as DRA7, RTC is an independent voltage domain of it's own > and on platforms such as DRA7-evm, this may be supplied by individual > regulator on it's own. > So make the OMAP RTC driver support a power regulator. > > Signed-off-by: Lokesh Vutla <[email protected]> > --- > - Dropped the Reviewed-by tags as this patch is changed from previous version. > Documentation/devicetree/bindings/rtc/rtc-omap.txt | 6 ++++ > drivers/rtc/rtc-omap.c | 41 > +++++++++++++++++++++- > 2 files changed, 46 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/rtc/rtc-omap.txt > b/Documentation/devicetree/bindings/rtc/rtc-omap.txt > index 750efd4..c1d84ac 100644 > --- a/Documentation/devicetree/bindings/rtc/rtc-omap.txt > +++ b/Documentation/devicetree/bindings/rtc/rtc-omap.txt > @@ -15,6 +15,9 @@ Required properties: > Optional properties: > - ti,system-power-controller: whether the rtc is controlling the system power > through pmic_power_en > +- vrtc-supply: phandle to the regulator device tree node. > +- vrtc-minuV: Minimum required voltage in uV, If default voltage needs to be > changed > +- vrtc-maxuV: Maximum acceptable voltage in uV, If default voltage needs to > be changed > > Example: > > @@ -25,4 +28,7 @@ rtc@1c23000 { > 19>; > interrupt-parent = <&intc>; > ti,system-power-controller; > + vrtc-supply = <&ldo9_reg>; > + vrtc-minuV = <1050000>; > + vrtc-maxuV = <1050000>;
why would we want to duplicate machine constraints that regulators already have? if there is a constant voltage needed, then it should be compatible property as it is not really a configuration option, right? [...] -- Regards, Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
