linux-kernel - Re: [PATCH 3/3] ARM: dts: NSP: Add PWM Support to DT

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Message-ID: <4015342.1TJkp5X8uB@wuerfel>
Date:	Wed, 02 Mar 2016 16:28:54 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@...adcom.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Thierry Reding <thierry.reding@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>, linux-pwm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH 3/3] ARM: dts: NSP: Add PWM Support to DT

On Wednesday 02 March 2016 20:22:01 Yendapally Reddy Dhananjaya Reddy wrote:
> On Wed, Mar 2, 2016 at 1:55 AM, Arnd Bergmann <arnd@...db.de> wrote:
> > On Tuesday 01 March 2016 12:42:49 Yendapally Reddy Dhananjaya Reddy wrote:
> >>                 };
> >>
> >> +               pwm: pwm@...00 {
> >> +                       compatible = "brcm,iproc-pwm";
> >> +                       reg = <0x31000 0x28>;
> >> +                       clocks = <&osc>;
> >> +                       #pwm-cells = >;
> >> +                       status = "disabled";
> >> +               };
> >>
> >
> > Should this also list "brcm,kona-pwm" as compatible? From patch
> > 1, it sounds like that was the original one.
> 
> Arnd,
> 
> The NSP is a iProc based SoC and the pwm controller register offsets are
> slightly differ with the kona pwm controller. The compatible will be either
> "brcm,kona-pwm" or "brcm,iproc-pwm".

Ok, got it, thanks for the explanation.

	Arnd