From mboxrd@z Thu Jan 1 00:00:00 1970 From: srinivas.kandagatla@linaro.org Subject: [PATCH v4 10/14] ASoC: dt-bindings: Add WCD9335 MBHC specific properties Date: Sun, 16 Sep 2018 17:57:23 -0700 Message-ID: <20180917005727.32728-11-srinivas.kandagatla@linaro.org> References: <20180917005727.32728-1-srinivas.kandagatla@linaro.org> Return-path: In-Reply-To: <20180917005727.32728-1-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: lee.jones@linaro.org, robh+dt@kernel.org, broonie@kernel.org Cc: mark.rutland@arm.com, lgirdwood@gmail.com, bgoswami@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, vkoul@kernel.org, alsa-devel@alsa-project.org, Srinivas Kandagatla List-Id: devicetree@vger.kernel.org From: Srinivas Kandagatla This patch add new bindings required to support MBHC (Multi Button Headset Control) block in the codec. This block is used for jack insert/removal detection, headset type detection and 8 button press/release events. All these properties are very much specific to board. Signed-off-by: Srinivas Kandagatla --- .../devicetree/bindings/sound/qcom,wcd9335.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt index 5d6ea66..a95a8b4 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt +++ b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt @@ -55,6 +55,26 @@ Required properties with SLIMbus Interface: Value type: Definition: Must contain "mclk", "mclk2" and "slimbus" strings. +- qcom,mbhc-vthreshold-millivolt: + Usage: Optional, only required if headset button support required. + Value type: + Definition: Must contain an array of 8 threshold voltages in mV for + 8 buttons detection on headset. + +- qcom,hphl-jack-type-normally-open: + Usage: Optional, only required if headset button support required. + Value type: + Definition: present if hphl pin on jack is a NO (Normally Open). + If not specified, then its assumed that hphl pin on jack + is NC (Normally Closed). + +- qcom,gnd-jack-type-normally-open: + Usage: Optional, only required if headset button support required. + Value type: + Definition: present if gnd pin on jack is NO (Normally Open). + If not specified, then its assumed that gnd pin on + jack is NC (Normally Closed). + - vdd-buck-supply: Usage: required Value type: -- 2.9.3