ARM: tegra: add missing clock documentation to DT bindings

[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / rtc / nvidia,tegra20-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/nvidia,tegra20-rtc.txt b/Documentation/devicetree/bindings/rtc/nvidia,tegra20-rtc.txt
index 93f45e9dce7cf07899d65c525181684d0bfd30c5..652d1ff2e8beb6f9ca33d145be74f2e12fb0eacf 100644 (file)
--- a/Documentation/devicetree/bindings/rtc/nvidia,tegra20-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/nvidia,tegra20-rtc.txt
@@ -9,6 +9,8 @@ Required properties:
 - compatible : should be "nvidia,tegra20-rtc".
 - reg : Specifies base physical address and size of the registers.
 - interrupts : A single interrupt specifier.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 
 Example:
 
@@ -16,4 +18,5 @@ timer {
        compatible = "nvidia,tegra20-rtc";
        reg = <0x7000e000 0x100>;
        interrupts = <0 2 0x04>;
+       clocks = <&tegra_car 4>;
 };