From: Rob Herring <robh@kernel.org> To: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: broonie@kernel.org, lgirdwood@gmail.com, alsa-devel@alsa-project.org, kuninori.morimoto.gx@renesas.com, linus.walleij@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] bindings: sound: pcm3168a: Document optional RST gpio Date: Mon, 18 Nov 2019 15:32:56 -0600 [thread overview] Message-ID: <20191118213256.GA27262@bogus> (raw) In-Reply-To: <20191113124734.27984-2-peter.ujfalusi@ti.com> 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 <peter.ujfalusi@ti.com> > --- > 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 >
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org> To: Peter Ujfalusi <peter.ujfalusi@ti.com> 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 Date: Mon, 18 Nov 2019 15:32:56 -0600 [thread overview] Message-ID: <20191118213256.GA27262@bogus> (raw) In-Reply-To: <20191113124734.27984-2-peter.ujfalusi@ti.com> 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 <peter.ujfalusi@ti.com> > --- > 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
next prev parent reply other threads:[~2019-11-18 21:33 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-13 12:47 [PATCH 0/2] ASoC: pcm3168a: Poor man's RST gpio handling Peter Ujfalusi 2019-11-13 12:47 ` [alsa-devel] " Peter Ujfalusi 2019-11-13 12:47 ` [PATCH 1/2] bindings: sound: pcm3168a: Document optional RST gpio Peter Ujfalusi 2019-11-13 12:47 ` [alsa-devel] " Peter Ujfalusi 2019-11-18 13:08 ` Mark Brown 2019-11-18 13:08 ` [alsa-devel] " Mark Brown 2019-11-18 14:46 ` Peter Ujfalusi 2019-11-18 14:46 ` [alsa-devel] " Peter Ujfalusi 2019-11-18 16:01 ` Mark Brown 2019-11-18 16:01 ` [alsa-devel] " Mark Brown 2019-11-18 13:09 ` Applied "ASoC: pcm3168a: Document optional RST gpio" to the asoc tree Mark Brown 2019-11-18 13:09 ` [alsa-devel] " Mark Brown 2019-11-18 21:32 ` Rob Herring [this message] 2019-11-18 21:32 ` [alsa-devel] [PATCH 1/2] bindings: sound: pcm3168a: Document optional RST gpio Rob Herring 2019-11-13 12:47 ` [PATCH 2/2] ASoC: pcm3168a: Add support for optional RST gpio handling Peter Ujfalusi 2019-11-13 12:47 ` [alsa-devel] " Peter Ujfalusi 2019-11-18 13:09 ` Applied "ASoC: pcm3168a: Add support for optional RST gpio handling" to the asoc tree Mark Brown 2019-11-18 13:09 ` [alsa-devel] " Mark Brown
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