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authorDerek Fang <derek.fang@realtek.com>2024-04-08 17:10:57 +0800
committerMark Brown <broonie@kernel.org>2024-04-09 16:40:49 +0100
commit306b38e3fa727d22454a148a364123709e356600 (patch)
treee036205c40b57c948549038624dd9bac89105f46 /Documentation
parent103abab975087e1f01b76fcb54c91dbb65dbc249 (diff)
downloadlinux-306b38e3fa727d22454a148a364123709e356600.tar.gz
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/sound/rt5645.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5645.txt b/Documentation/devicetree/bindings/sound/rt5645.txt
index 41a62fd2ae1ff..c1fa379f5f3ea 100644
--- 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";