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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id b12sm6586756otl.34.2019.11.18.13.32.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 13:32:57 -0800 (PST) Date: Mon, 18 Nov 2019 15:32:56 -0600 From: Rob Herring To: Peter Ujfalusi Message-ID: <20191118213256.GA27262@bogus> References: <20191113124734.27984-1-peter.ujfalusi@ti.com> <20191113124734.27984-2-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191113124734.27984-2-peter.ujfalusi@ti.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, kuninori.morimoto.gx@renesas.com, linus.walleij@linaro.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, broonie@kernel.org Subject: Re: [alsa-devel] [PATCH 1/2] bindings: sound: pcm3168a: Document optional RST gpio X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Nov 13, 2019 at 02:47:33PM +0200, Peter Ujfalusi wrote: > On boards where the RST line is not pulled up, but it is connected to a > GPIO line this property must present in order to be able to enable the > codec. > > Signed-off-by: Peter Ujfalusi > --- > Documentation/devicetree/bindings/sound/ti,pcm3168a.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt b/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt > index 5d9cb84c661d..f30aebc7603a 100644 > --- a/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt > +++ b/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt > @@ -25,6 +25,12 @@ Required properties: > > For required properties on SPI/I2C, consult SPI/I2C device tree documentation > > +Optional properties: > + > + - rst-gpios : Optional RST gpio line for the codec > + RST = low: device power-down > + RST = high: device is enabled 'reset-gpios' is the standard naming for reset lines. > + > Examples: > > i2c0: i2c0@0 { > @@ -34,6 +40,7 @@ i2c0: i2c0@0 { > pcm3168a: audio-codec@44 { > compatible = "ti,pcm3168a"; > reg = <0x44>; > + rst-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; > clocks = <&clk_core CLK_AUDIO>; > clock-names = "scki"; > VDD1-supply = <&supply3v3>; > -- > Peter > > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki > _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel