From: Lin Huang <hl@rock-chips.com>
To: broonie@kernel.org, arnaud.pouliquen@st.com, dgreif@chromium.org
Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com,
briannorris@chromium.org, linux-kernel@vger.kernel.org,
tiwai@suse.com, mka@chromium.org, dianders@chromium.org,
huang lin <hl@rock-chips.com>
Subject: [PATCH v2 2/2] dt-bindings: sound: add dmicen property in dmic driver
Date: Thu, 17 Aug 2017 10:24:45 +0800 [thread overview]
Message-ID: <1502936685-24414-2-git-send-email-hl@rock-chips.com> (raw)
In-Reply-To: <1502936685-24414-1-git-send-email-hl@rock-chips.com>
From: huang lin <hl@rock-chips.com>
there may use enable pin to control dmic start and stop,
so add this property in dt-bindings.
Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Documentation/devicetree/bindings/sound/dmic.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt
index a0c58f2..54c8ef6 100644
--- a/Documentation/devicetree/bindings/sound/dmic.txt
+++ b/Documentation/devicetree/bindings/sound/dmic.txt
@@ -5,8 +5,12 @@ This device support generic PDM digital microphone.
Required properties:
- compatible: should be "dmic-codec".
+Optional properties:
+ - dmicen-gpios: GPIO specifier for dmic to control start and stop
+
Example node:
dmic_codec: dmic@0 {
compatible = "dmic-codec";
+ dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
};
--
2.7.4
next prev parent reply other threads:[~2017-08-17 2:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-17 2:24 [PATCH v2 1/2] ASoC: codec: use enable pin to control dmic start and stop Lin Huang
2017-08-17 2:24 ` Lin Huang [this message]
2017-09-04 10:03 ` Arnaud Pouliquen
2017-09-04 12:18 ` Mark Brown
2017-09-05 2:26 ` hl
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