[PATCHv2] tlv320dac33: Add device tree bindings
From: robh@kernel.org (Rob Herring)
Date: 2018-02-05 06:13:01
Also in:
alsa-devel, linux-devicetree, linux-omap, lkml
On Wed, Jan 31, 2018 at 08:01:12PM +0100, Pavel Machek wrote:
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This adds device tree bindings for tlv320dac33.c. Signed-off-by: Pavel Machek <redacted>diff --git a/Documentation/devicetree/bindings/sound/tlv320dac33.txt b/Documentation/devicetree/bindings/sound/tlv320dac33.txt new file mode 100644 index 0000000..7fdda95 --- /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 + +Optional properties: + +- reset-gpios - gpio pin to power the device, active low + +- interrupts - The interrupt output from the device. +- interrupt-parent - The parent interrupt controller. + +- ti,keep-bclk - Keep the BCLK running in FIFO modes
space before tab ^
+- ti,burst-bclkdiv - BCLK divider value in burst mode
What are valid values? What's the default?
+
+Example:
+
+tlv320dac33: audio-codec at 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>;
+};
--
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