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From: Michael Zoran <mzoran-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
To: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: mark.rutland-AbSShOkvfpQ@public.gmane.org,
	stefan.wahren-eS4NqCHxEME@public.gmane.org,
	alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	tiwai-IBi9RG/b67k@public.gmane.org,
	eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org,
	linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [alsa-devel] [PATCH 1/4] dt-bindings: Document the dmas and dma-names properties for bcm2835-analog-audio
Date: Mon, 20 Mar 2017 10:07:34 -0700	[thread overview]
Message-ID: <1490029654.11105.7.camel@crowfest.net> (raw)
In-Reply-To: <20170320165009.ylrohjwettdy2lgf@rob-hp-laptop>

On Mon, 2017-03-20 at 11:50 -0500, Rob Herring wrote:
> On Sat, Mar 11, 2017 at 10:38:17PM -0800, Michael Zoran wrote:
> > Add documentation for the DMA properties required when using the
> > PWM controller of the bcm2835 for analog audio output.
> > 
> > Signed-off-by: Michael Zoran <mzoran-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
> > ---
> >  Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt | 9
> > ++++++++-
> >  1 file changed, 8 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
> > b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
> > index cf573e85b11d..08fc06fc083a 100644
> > --- a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
> > +++ b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
> > @@ -1,14 +1,21 @@
> >  BCM2835 PWM controller (Raspberry Pi controller)
> >  
> >  Required properties:
> > -- compatible: should be "brcm,bcm2835-pwm"
> > +- compatible: should be "brcm,bcm2835-pwm" or "brcm,bcm2835-
> > analog-audio"
> 
> Compatibles are not for selecting usage modes. You should describe
> the 
> connection to the pwm that makes it an audio output rather than
> change 
> the compatible.
> 

Cool, that's good to know that someone let me know after all this time.
 And please tell how if DT nodes are an exact documentation of the
hardware how are virtualized DT nodes like firmware getting into the
DTs?
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  reply	other threads:[~2017-03-20 17:07 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-12  6:38 [PATCH 1/4] dt-bindings: Document the dmas and dma-names properties for bcm2835-analog-audio Michael Zoran
     [not found] ` <20170312063820.19313-1-mzoran-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-12  6:38   ` [PATCH 2/4] sound: bcm2835-analog-audio: Add driver for bcm2835(Raspberry PI) headphone jack Michael Zoran
2017-03-16  0:01     ` Eric Anholt
2017-03-12  6:38   ` [PATCH 3/4] sound: arm: Add build system for bcm2835-analog-audio driver Michael Zoran
     [not found]     ` <20170312063820.19313-3-mzoran-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-14  7:15       ` [alsa-devel] " kbuild test robot
     [not found]         ` <201703141503.gyuLu0Kr%fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-03-14  8:58           ` Michael Zoran
     [not found]             ` <1489481899.656.5.camel-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-14  9:13               ` Stefan Wahren
     [not found]                 ` <5a437138-bf9c-1e48-9fa6-82fac9b6e54c-eS4NqCHxEME@public.gmane.org>
2017-03-14  9:53                   ` Michael Zoran
2017-03-12  6:38   ` [PATCH 4/4] dts: bcm283x.dtsi: Add analog audio/headphone jack for bcm2835 Michael Zoran
     [not found]     ` <20170312063820.19313-4-mzoran-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-14  8:05       ` Stefan Wahren
     [not found]         ` <a5ae562f-6843-f137-6470-36c53cfd1799-eS4NqCHxEME@public.gmane.org>
2017-03-14  8:47           ` Michael Zoran
     [not found]             ` <1489481279.656.1.camel-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-14 10:07               ` Stefan Wahren
2017-03-14 10:18                 ` Michael Zoran
2017-03-20 16:50 ` [PATCH 1/4] dt-bindings: Document the dmas and dma-names properties for bcm2835-analog-audio Rob Herring
2017-03-20 17:07   ` Michael Zoran [this message]
     [not found]     ` <1490029654.11105.7.camel-O+n0w2l5AFbk1uMJSBkQmQ@public.gmane.org>
2017-03-21 12:53       ` [alsa-devel] " Rob Herring
2017-03-21 13:30         ` Michael Zoran
2017-03-21 17:59           ` Rob Herring

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