diff --git a/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt b/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
index 4f7d1c2be4d0..da5235950a70 100644
--- a/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
+++ b/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
@@ -10,7 +10,9 @@ Required properties:
 
 Optional:
 - bus-width	:	Number of data lines wired up the slot. Default 1 bit.
-
+- rtc_clk	:	Clock connected on the rtc clock line. Must be assigned
+			a frequency with assigned-clocks property, and must be
+			connected to a clock provider.
 
 Examples:
 mmc1: mmc@fc000000 {
@@ -24,6 +26,10 @@ mmc1: mmc@fc000000 {
 		wilc_sdio@0 {
 			compatible = "microchip,wilc1000-sdio";
 			irq-gpios = <&pioC 27 0>;
+			clocks = <&pck1>;
+			clock-names = "rtc_clk";
+			assigned-clocks = <&pck1>;
+			assigned-clock-rates = <32768>;
 			status = "okay";
 			reg = <0>;
 			bus-width = <4>;
diff --git a/drivers/staging/wilc1000/microchip,wilc1000,spi.txt b/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
index 87db87b2d901..34236932dbb6 100644
--- a/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
+++ b/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
@@ -9,6 +9,10 @@ Required properties:
 - reg			: Chip select address of device
 - irq-gpios		: Connect to a host IRQ
 
+Optional:
+- rtc_clk	:	Clock connected on the rtc clock line. Must be assigned
+			a frequency with assigned-clocks property, and must be
+			connected to a clock provider.
 
 Examples:
 
@@ -21,6 +25,10 @@ spi1: spi@fc018000 {
 			spi-max-frequency = <48000000>;
 			reg = <0>;
 			irq-gpios = <&pioC 27 0>;
+			clocks = <&pck1>;
+			clock-names = "rtc_clk";
+			assigned-clocks = <&pck1>;
+			assigned-clock-rates = <32768>;
 			status = "okay";
 		};
 };