Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-18 18:11:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: pcm3168a: Document optional RST gpio

Browse Source 
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>
Link: https://lore.kernel.org/r/20191113124734.27984-2-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2019-11-13 14:47:33 +02:00 committed by Mark Brown
parent b1176bbb70
commit cdacc761da
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/devicetree/bindings/sound/ti,pcm3168a.txt
View File

@ -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
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>;