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Message-ID: <20191120131753.6831-2-peter.ujfalusi@ti.com>
Date: Wed, 20 Nov 2019 15:17:52 +0200
From: Peter Ujfalusi <peter.ujfalusi@...com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>
CC: <alsa-devel@...a-project.org>, <kuninori.morimoto.gx@...esas.com>,
<linus.walleij@...aro.org>, <robh+dt@...nel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] ASoC: dt-bindings: pcm3168a: Update the optional RST gpio for clarity
Use the standard name for the gpion in DT: reset-gpios
Document that the RST line is low active and update the example
accordingly.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
Documentation/devicetree/bindings/sound/ti,pcm3168a.txt | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt b/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt
index f30aebc7603a..a02ecaab5183 100644
--- a/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt
+++ b/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt
@@ -27,9 +27,10 @@ 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 : Optional reset gpio line connected to RST pin of the codec.
+ The RST line is low active:
+ RST = low: device power-down
+ RST = high: device is enabled
Examples:
@@ -40,7 +41,7 @@ i2c0: i2c0@0 {
pcm3168a: audio-codec@44 {
compatible = "ti,pcm3168a";
reg = <0x44>;
- rst-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
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
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