Re: [PATCH 4/4] ARM: dts: AM33XX: update rtc node compatibility

From: Sekhar Nori
Date: Tue Jul 02 2013 - 02:13:25 EST


Changing to Benoit's gmail id since he apparently wont access TI mail
anymore.

On 6/28/2013 3:05 PM, Hebbar Gururaja wrote:
> Since AM33xx RTC IP has RTC_IRQWAKEEN to support Alarm Wake-up.
>
> Update the rtc compatible property to "ti,am3352-rtc" to enable handling
> of this feature inside rtc-omap driver.
>
> Signed-off-by: Hebbar Gururaja <gururaja.hebbar@xxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: Sekhar Nori <nsekhar@xxxxxx>
> Cc: Kevin Hilman <khilman@xxxxxxxxxx>
> Cc: b-cousson@xxxxxx
> ---
> :100644 100644 77aa1b0... dde180a... M arch/arm/boot/dts/am33xx.dtsi
> arch/arm/boot/dts/am33xx.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 77aa1b0..dde180a 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -297,7 +297,7 @@
> };
>
> rtc@44e3e000 {
> - compatible = "ti,da830-rtc";
> + compatible = "ti,am3352-rtc";

compatible is a list so you can instead do:

compatible = "ti,am3352-rtc", "ti,da830-rtc";

That way the dts works irrespective of driver updates. When driver
supports enhanced features of hardware, they are available to the user
else the basic functionality still works.

Thanks,
Sekhar
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