Documentation: mfd: s2mps11: Describe S5M8767 and S2MPS14 clocks

Add bindings documentation for clocks on S5M8767 and S2MPS14 devices.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

Documentation/devicetree/bindings/mfd/s2mps11.txt

@@ -16,20 +16,25 @@ Optional properties:
 - interrupts: Interrupt specifiers for interrupt sources.
 
 Optional nodes:
-- clocks: s2mps11 provides three(AP/CP/BT) buffered 32.768 KHz outputs, so to
-  register these as clocks with common clock framework instantiate a sub-node
-  named "clocks". It uses the common clock binding documented in :
+- clocks: s2mps11 and s5m8767 provide three(AP/CP/BT) buffered 32.768 KHz
+  outputs, so to register these as clocks with common clock framework
+  instantiate a sub-node named "clocks". It uses the common clock binding
+  documented in :
   [Documentation/devicetree/bindings/clock/clock-bindings.txt]
+  The s2mps14 provides two (AP/BT) buffered 32.768 KHz outputs.
   - #clock-cells: should be 1.
 
   - The following is the list of clocks generated by the controller. Each clock
     is assigned an identifier and client nodes use this identifier to specify
     the clock which they consume.
-    Clock               ID
-    ----------------------
-    32KhzAP		0
-    32KhzCP		1
-    32KhzBT		2
+    Clock               ID           Devices
+    ----------------------------------------------------------
+    32KhzAP		0            S2MPS11, S2MPS14, S5M8767
+    32KhzCP		1            S2MPS11, S5M8767
+    32KhzBT		2            S2MPS11, S2MPS14, S5M8767
+
+  - compatible: Should be one of: "samsung,s2mps11-clk", "samsung,s2mps14-clk",
+		"samsung,s5m8767-clk"
 
 - regulators: The regulators of s2mps11 that have to be instantiated should be
 included in a sub-node named 'regulators'. Regulator nodes included in this
@@ -71,7 +76,8 @@ Example:
 		compatible = "samsung,s2mps11-pmic";
 		reg = <0x66>;
 
-		s2m_osc: clocks{
+		s2m_osc: clocks {
+			compatible = "samsung,s2mps11-clk";
 			#clock-cells = 1;
 			clock-output-names = "xx", "yy", "zz";
 		};