dt-bindings: clock: cdce925: Add regulator documentation

The cdce925 has two separate supply pins. Document the bindings
for them.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Link: https://lkml.kernel.org/r/1561691950-42154-2-git-send-email-preid@electromag.com.au
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/Documentation/devicetree/bindings/clock/ti,cdce925.txt b/Documentation/devicetree/bindings/clock/ti,cdce925.txt
index 0d01f2d5cc36e8cd4aa636f365ed55482c50d1d1..26544c85202af9406c9ce77815660768b4a3b5b2 100644 (file)
--- a/Documentation/devicetree/bindings/clock/ti,cdce925.txt
+++ b/Documentation/devicetree/bindings/clock/ti,cdce925.txt
@@ -24,6 +24,8 @@ Required properties:
 Optional properties:
  - xtal-load-pf: Crystal load-capacitor value to fine-tune performance on a
                  board, or to compensate for external influences.
+- vdd-supply: A regulator node for Vdd
+- vddout-supply: A regulator node for Vddout
 
 For all PLL1, PLL2, ... an optional child node can be used to specify spread
 spectrum clocking parameters for a board.
@@ -41,6 +43,8 @@ Example:
                clocks = <&xtal_27Mhz>;
                #clock-cells = <1>;
                xtal-load-pf = <5>;
+               vdd-supply = <&1v8-reg>;
+               vddout-supply = <&3v3-reg>;
                /* PLL options to get SSC 1% centered */
                PLL2 {
                        spread-spectrum = <4>;