Add an optional reset property to the tdm formatter bindings. The
dedicated reset line is present on some SoC families, such as the g12a.

Signed-off-by: Jerome Brunet <[email protected]>
---
 .../bindings/sound/amlogic,axg-tdm-formatters.txt           | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git 
a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt 
b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
index 3b94a715a0b9..8835a43edfbb 100644
--- a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
+++ b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
@@ -15,11 +15,15 @@ Required properties:
   * "lrclk"    : sample clock
   * "lrclk_sel": sample clock input multiplexer
 
-Example of TDMOUT_A on the A113 SoC:
+Optional property:
+- resets: phandle to the dedicated reset line of the tdm formatter.
+
+Example of TDMOUT_A on the S905X2 SoC:
 
 tdmout_a: audio-controller@500 {
        compatible = "amlogic,axg-tdmout";
        reg = <0x0 0x500 0x0 0x40>;
+       resets = <&clkc_audio AUD_RESET_TDMOUT_A>;
        clocks = <&clkc_audio AUD_CLKID_TDMOUT_A>,
                 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK>,
                 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK_SEL>,
-- 
2.21.0

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