Received-SPF: pass (google.com: domain of linux-kernel+bounces-172402-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Cc: Derek Fang <derek.fang@realtek.com>,
	Mark Brown <broonie@kernel.org>,
	Sasha Levin <sashal@kernel.org>,
	lgirdwood@gmail.com,
	robh@kernel.org,
	krzk+dt@kernel.org,
	conor+dt@kernel.org,
	linux-sound@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: [PATCH AUTOSEL 6.6 07/43] ASoC: dt-bindings: rt5645: add cbj sleeve gpio property
Date: Tue,  7 May 2024 19:09:28 -0400
Message-ID: <20240507231033.393285-7-sashal@kernel.org>
In-Reply-To: <20240507231033.393285-1-sashal@kernel.org>
References: <20240507231033.393285-1-sashal@kernel.org>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

From: Derek Fang <derek.fang@realtek.com>

[ Upstream commit 306b38e3fa727d22454a148a364123709e356600 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Documentation/devicetree/bindings/sound/rt5645.txt | 6 ++++++
 1 file changed, 6 insertions(+)

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";
-- 
2.43.0