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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id q85sm200903oic.52.2019.08.27.15.37.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2019 15:37:16 -0700 (PDT) Date: Tue, 27 Aug 2019 17:37:16 -0500 From: Rob Herring To: =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, Alexandre Belloni , Arnd Bergmann , Chas Williams <3chas3@gmail.com>, Codrin Ciubotariu , Greg Kroah-Hartman , Jaroslav Kysela , Liam Girdwood , Ludovic Desroches , Mark Brown , Mark Rutland , Nicolas Ferre , Takashi Iwai , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 4/6] dt-bindings: misc: atmel-ssc: LRCLK from TF/RF pin option Message-ID: <20190827223716.GA31605@bogus> References: <9b85d5a7c7e788e9ed87d020323ad9292e3aeab7.1566677788.git.mirq-linux@rere.qmqm.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9b85d5a7c7e788e9ed87d020323ad9292e3aeab7.1566677788.git.mirq-linux@rere.qmqm.pl> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 24, 2019 at 10:26:55PM +0200, Michał Mirosław wrote: > Add single-pin LRCLK source options for Atmel SSC module. > > Signed-off-by: Michał Mirosław > > --- > v2: split from implementation patch > > --- > Documentation/devicetree/bindings/misc/atmel-ssc.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt > index f9fb412642fe..c98e96dbec3a 100644 > --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt > +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt > @@ -24,6 +24,11 @@ Optional properties: > this parameter to choose where the clock from. > - By default the clock is from TK pin, if the clock from RK pin, this > property is needed. > + - atmel,lrclk-from-tf-pin: bool property. > + - atmel,lrclk-from-rf-pin: bool property. > + - SSC in slave mode gets LRCLK from RF for receive and TF for transmit > + data direction. This property makes both use single TF (or RF) pin > + as LRCLK. At most one can be present. A single property taking 1 of possible 2 values would prevent the error of more than 1 property present. > - #sound-dai-cells: Should contain <0>. > - This property makes the SSC into an automatically registered DAI. > > -- > 2.20.1 >