Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/include/dt-bindings/iio/adc/ingenic,adc.h b/include/dt-bindings/iio/adc/ingenic,adc.h
new file mode 100644
index 0000000..a6ccc03
--- /dev/null
+++ b/include/dt-bindings/iio/adc/ingenic,adc.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _DT_BINDINGS_IIO_ADC_INGENIC_ADC_H
+#define _DT_BINDINGS_IIO_ADC_INGENIC_ADC_H
+
+/* ADC channel idx. */
+#define INGENIC_ADC_AUX		0
+#define INGENIC_ADC_BATTERY	1
+#define INGENIC_ADC_AUX2	2
+#define INGENIC_ADC_TOUCH_XP	3
+#define INGENIC_ADC_TOUCH_YP	4
+#define INGENIC_ADC_TOUCH_XN	5
+#define INGENIC_ADC_TOUCH_YN	6
+#define INGENIC_ADC_TOUCH_XD	7
+#define INGENIC_ADC_TOUCH_YD	8
+#define INGENIC_ADC_AUX0	9
+
+#endif