[PATCH v3 4/4] mfd: arizona: Add device tree binding documentation for new clock driver

[Charles Keepax <ckeepax@opensource.wolfsonmicro.com>]

Specify the device tree binding for the input clocks to Arizona devices.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
---

No changes since v2.

Thanks,
Charles

 Documentation/devicetree/bindings/mfd/arizona.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index 18be0cb..39f76f8 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -45,6 +45,13 @@ Optional properties:
 
   - wlf,reset : GPIO specifier for the GPIO controlling /RESET
 
+  - clocks: Should reference the clocks supplied on MCLK1 and MCLK2
+  - clock-names: Should contains two strings:
+      "mclk1" for the clock supplied on MCLK1, recommended to be a high
+      quality audio reference clock
+      "mclk2" for the clock supplied on MCLK2, recommended to be an always on
+      32k clock
+
   - wlf,gpio-defaults : A list of GPIO configuration register values. Defines
     for the appropriate values can found in <dt-bindings/mfd/arizona.txt>. If
     absent, no configuration of these registers is performed. If any entry has
-- 
2.1.4