linux-kernel - [PATCHv3] tlv320dac33: Add device tree bindings

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Date:   Mon, 5 Feb 2018 09:24:45 +0100
From:   Pavel Machek <pavel@....cz>
To:     Peter Ujfalusi <peter.ujfalusi@...com>
Cc:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, perex@...ex.cz, tiwai@...e.com,
        bhumirks@...il.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        pali.rohar@...il.com, sre@...nel.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
        aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
        patrikbachan@...il.com, serge@...lyn.com, abcloriens@...il.com,
        clayton@...ftyguy.net, martijn@...xit.nl,
        sakari.ailus@...ux.intel.com,
        Filip Matijević <filip.matijevic.pz@...il.com>
Subject: [PATCHv3] tlv320dac33: Add device tree bindings


This adds device tree bindings for tlv320dac33.c.

Acked-by: Peter Ujfalusi <peter.ujfalusi@...com>
Signed-off-by: Pavel Machek <pavel@....cz>

diff --git a/Documentation/devicetree/bindings/sound/tlv320dac33.txt b/Documentation/devicetree/bindings/sound/tlv320dac33.txt
new file mode 100644
index 0000000..aee0a87
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/tlv320dac33.txt
@@ -0,0 +1,32 @@
+Texas Instruments - tlv320dac33 Codec module
+
+The tlv320dac33 serial control bus communicates through I2C protocols.
+
+Required properties:
+
+- compatible - "ti,tlv320dac33"
+- reg - I2C slave address
+- ti,burst-bclkdiv - BCLK divider value in burst mode. Valid range is 1..255.
+
+Optional properties:
+
+- reset-gpios      - gpio pin to power the device, active high.
+
+- interrupts       - The interrupt output from the device.
+- interrupt-parent - The parent interrupt controller.
+
+- ti,keep-bclk     - Keep the BCLK running in FIFO modes.
+
+Example:
+
+tlv320dac33: audio-codec@19 {
+	compatible = "ti,tlv320dac33";
+	reg = <0x19>;
+
+	interrupt-parent = <&gpio2>;
+	interrupts = <21 1>; /* gpio_53, IRQF_TRIGGER_RISING */
+	reset-gpios = <&gpio2 28 0>; /* gpio_60 */
+
+	ti,keep-bclk;
+	ti,burst-bclkdiv = <3>;
+};

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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