1 files changed, 16 insertions, 0 deletions
diff --git a/dts/Bindings/rtc/nxp,rtc-2123.txt b/dts/Bindings/rtc/nxp,rtc-2123.txt
new file mode 100644
index 0000000000..5cbc0b145a
--- /dev/null
+++ b/dts/Bindings/rtc/nxp,rtc-2123.txt
@@ -0,0 +1,16 @@
+NXP PCF2123 SPI Real Time Clock
+
+Required properties:
+- compatible: should be: "nxp,rtc-pcf2123"
+- reg: should be the SPI slave chipselect address
+
+Optional properties:
+- spi-cs-high: PCF2123 needs chipselect high
+
+Example:
+
+rtc: nxp,rtc-pcf2123@3 {
+	compatible = "nxp,rtc-pcf2123"
+	reg = <3>
+	spi-cs-high;
+};