imx8mn: synchronise device tree with linux

Synchronise device tree with linux v5.19-rc5.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/include/dt-bindings/sound/tlv320aic31xx.h b/include/dt-bindings/sound/tlv320aic31xx.h
new file mode 100644
index 0000000..4a80238
--- /dev/null
+++ b/include/dt-bindings/sound/tlv320aic31xx.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_TLV320AIC31XX_H
+#define __DT_TLV320AIC31XX_H
+
+#define MICBIAS_2_0V		1
+#define MICBIAS_2_5V		2
+#define MICBIAS_AVDDV		3
+
+#define PLL_CLKIN_MCLK		0x00
+#define PLL_CLKIN_BCLK		0x01
+#define PLL_CLKIN_GPIO1		0x02
+#define PLL_CLKIN_DIN		0x03
+
+#endif /* __DT_TLV320AIC31XX_H */