[PATCH 2/3] mfd: sec: Add clock cell for s2mps11

Yadwinder Singh Brar
2013-07-16T11:53:05Z

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

Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
---
Documentation/devicetree/bindings/mfd/s2mps11.txt | 20 ++++++++++++++++++++
drivers/mfd/sec-core.c | 4 +++-
2 files changed, 23 insertions(+), 1 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt
index 36269c4..e41dd16 100644
--- 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 760da8a..eaee5ec 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -58,7 +58,9 @@ static struct mfd_cell s5m8767_devs[] = {
static struct mfd_cell s2mps11_devs[] = {
{
.name = "s2mps11-pmic",
- },
+ }, {
+ .name = "s2mps11-clk",
+ }
};

#ifdef CONFIG_OF
--
1.7.0.4