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authorSaravanan Sekar <sravanhome@gmail.com>2018-07-19 12:06:46 +0300
committerStephen Boyd <sboyd@kernel.org>2018-07-26 02:40:53 +0300
commitd0e45d686a3ef18a20d4eac6675b76d3656c4727 (patch)
tree905e5fbbf7f695aa3762e6a5dda1f4aab2e8d364 /Documentation
parentd017c1f16a798397ebc79be57f7a5e5ea788f837 (diff)
downloadlinux-d0e45d686a3ef18a20d4eac6675b76d3656c4727.tar.xz
dt-bindings: clock: Add S700 support for Actions Semi Soc's
Add clock bindings constants for action S700 Maintain common clock dt-bindings for Actions Semi SoC's S700 and S900. Signed-off-by: Parthiban Nallathambi <pn@denx.de> Signed-off-by: Saravanan Sekar <sravanhome@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/clock/actions,owl-cmu.txt (renamed from Documentation/devicetree/bindings/clock/actions,s900-cmu.txt)20
1 files changed, 11 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/clock/actions,s900-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
index 93e4fb827cd6..d1e60d297387 100644
--- a/Documentation/devicetree/bindings/clock/actions,s900-cmu.txt
+++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
@@ -1,12 +1,14 @@
-* Actions S900 Clock Management Unit (CMU)
+* Actions Semi Owl Clock Management Unit (CMU)
-The Actions S900 clock management unit generates and supplies clock to various
-controllers within the SoC. The clock binding described here is applicable to
-S900 SoC.
+The Actions Semi Owl Clock Management Unit generates and supplies clock
+to various controllers within the SoC. The clock binding described here is
+applicable to S900 and S700 SoC's.
Required Properties:
-- compatible: should be "actions,s900-cmu"
+- compatible: should be one of the following,
+ "actions,s900-cmu"
+ "actions,s700-cmu"
- reg: physical base address of the controller and length of memory mapped
region.
- clocks: Reference to the parent clocks ("hosc", "losc")
@@ -15,16 +17,16 @@ Required Properties:
Each clock is assigned an identifier, and client nodes can use this identifier
to specify the clock which they consume.
-All available clocks are defined as preprocessor macros in
-dt-bindings/clock/actions,s900-cmu.h header and can be used in device
-tree sources.
+All available clocks are defined as preprocessor macros in corresponding
+dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h header and can be
+used in device tree sources.
External clocks:
The hosc clock used as input for the plls is generated outside the SoC. It is
expected that it is defined using standard clock bindings as "hosc".
-Actions S900 CMU also requires one more clock:
+Actions Semi S900 CMU also requires one more clock:
- "losc" - internal low frequency oscillator
Example: Clock Management Unit node: