dt-bindings: iio/adc: Add touchscreen idx for JZ47xx SoC ADC

Introduce support for touchscreen channels found in JZ47xx SoCs.

Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Tested-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/include/dt-bindings/iio/adc/ingenic,adc.h b/include/dt-bindings/iio/adc/ingenic,adc.h
index 42f871a..4627a00 100644 (file)
--- a/include/dt-bindings/iio/adc/ingenic,adc.h
+++ b/include/dt-bindings/iio/adc/ingenic,adc.h
@@ -7,5 +7,11 @@
 #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
 
 #endif