mfd: sec: Add clock cell for s2mps11

This patch adds clock to list of mfd cells for s2mps11 and DT documentation
for clock part.

Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt
index 36e051b..c9332c6 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/s2mps11.txt
+++ b/Documentation/devicetree/bindings/mfd/s2mps11.txt
@@ -16,6 +16,21 @@ 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 :
+  [Documentation/devicetree/bindings/clock/clock-bindings.txt]
+  - #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
+
 - regulators: The regulators of s2mps11 that have to be instantiated should be
 included in a sub-node named 'regulators'. Regulator nodes included in this
 sub-node should be of the format as listed below.
@@ -55,6 +70,11 @@ Example:
                compatible = "samsung,s2mps11-pmic";
                reg = <0x66>;
 
+               s2m_osc: clocks{
+                       #clock-cells = 1;
+                       clock-output-names = "xx", "yy", "zz";
+               };
+
                regulators {
                        ldo1_reg: LDO1 {
                                regulator-name = "VDD_ABB_3.3V";

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 86a7d61..f530e4b 100644 (file)
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -61,7 +61,9 @@ static struct mfd_cell s5m8767_devs[] = {
 static struct mfd_cell s2mps11_devs[] = {
        {
                .name = "s2mps11-pmic",
-       },
+       }, {
+               .name = "s2mps11-clk",
+       }
 };
 
 #ifdef CONFIG_OF