ASoC: dt-bindings: rt5645: add cbj sleeve gpio property

Add an optional gpio property to control external CBJ circuits
to avoid some electric noise caused by sleeve/ring2 contacts floating.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://msgid.link/r/20240408091057.14165-2-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/rt5645.txt b/Documentation/devicetree/bindings/sound/rt5645.txt
index 41a62fd2ae1ffb4f2afaa58d204797a2b15e91ec..c1fa379f5f3ea1388ed9e54ea8fef66d4645d673 100644 (file)
--- a/Documentation/devicetree/bindings/sound/rt5645.txt
+++ b/Documentation/devicetree/bindings/sound/rt5645.txt
@@ -20,6 +20,11 @@ Optional properties:
   a GPIO spec for the external headphone detect pin. If jd-mode = 0,
   we will get the JD status by getting the value of hp-detect-gpios.
 
+- cbj-sleeve-gpios:
+  a GPIO spec to control the external combo jack circuit to tie the sleeve/ring2
+  contacts to the ground or floating. It could avoid some electric noise from the
+  active speaker jacks.
+
 - realtek,in2-differential
   Boolean. Indicate MIC2 input are differential, rather than single-ended.
 
@@ -68,6 +73,7 @@ codec: rt5650@1a {
        compatible = "realtek,rt5650";
        reg = <0x1a>;
        hp-detect-gpios = <&gpio 19 0>;
+       cbj-sleeve-gpios = <&gpio 20 0>;
        interrupt-parent = <&gpio>;
        interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
        realtek,dmic-en = "true";