[PATCH 1/2] ASoC: dt-bindings: pcm3168a: Update the optional RST gpio for clarity

From: Peter Ujfalusi
Date: Wed Nov 20 2019 - 08:18:18 EST


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@xxxxxx>
---
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

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