[PATCH 2/5] mfd: arizona: Add DT binding documentation for CODEC 32k clock source

[Charles Keepax]

Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/mfd/arizona.txt |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index bfef000..7ca7c1f 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -36,6 +36,11 @@ Optional properties:
   - wlf,reset : GPIO specifier for the GPIO controlling /RESET
   - wlf,ldoena : GPIO specifier for the GPIO controlling LDOENA
 
+  - wlf,clk32k-src : Set input source for the CODEC 32kHz clock. This can be
+    set to None (will be derived internally from SYSCLK), MCLK1, or MCLK2.
+    Defines (ARIZONA_32KZ_xxxx) can be found in <dt-bindings/mfd/arizona.txt>.
+    The default if this entry is not present is MCLK2.
+
   - 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
-- 
1.7.2.5

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