linux-kernel - Re: [Patch v4 6/6] ARM: dts: DRA7: Add dt nodes for PWMSS

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Date:	Mon, 7 Mar 2016 18:20:50 -0600
From:	"Franklin S Cooper Jr." <fcooper@...com>
To:	Paul Walmsley <paul@...an.com>
CC:	<vigneshr@...com>, <thierry.reding@...il.com>,
	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<bcousson@...libre.com>, <tony@...mide.com>,
	<linux-pwm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Patch v4 6/6] ARM: dts: DRA7: Add dt nodes for PWMSS



On 03/07/2016 05:53 PM, Paul Walmsley wrote:
> On Mon, 7 Mar 2016, Franklin S Cooper Jr wrote:
>
>> From: Vignesh R <vigneshr@...com>
>>
>> Add PWMSS device tree nodes for DRA7 SoC family and add documentation
>> for dt bindings.
>>
>> Signed-off-by: Vignesh R <vigneshr@...com>
>> [fcooper@...com: Use updated bindings for PWMSS and ePWM]
>> Signed-off-by: Franklin S Cooper Jr <fcooper@...com>
>> ---
>> Version 4 changes:
>> Remove hwmod entries.
>> Add clocks/clock-names to pwm nodes.
> Hmm, what about moving the eqep, ecap DT nodes under the epwmss nodes?
>
>
> - Paul

We don't have a driver for eQEP which is why there is no DT
entry for it. For eCAP, the original patch series didn't
include the eCAP DT nodes and I never verified why this is
the case. In our TI tree we have eCAP0 only in the DT. The
TRM doesn't state that eCAP0-2 are unsupported so there
should be entries for all 3 eCAPs.

For AM335x and AM437x, eCAP nodes are already under the
ePWMSS nodes.