Add CRG driver for Hi3798CV200 SoC. CRG(Clock and Reset
Generator) module generates clock and reset signals used
by other module blocks on SoC.

Signed-off-by: Jiancheng Xue <xuejiancheng-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>
---
change log
v2:
- Fixed compiling error when compiled as a module.
- Fixed issues pointed by Stephen Boyd.
- Added prefix HISTB for clock index macro definitions.

 .../clock/{hi3519-crg.txt => hisi-crg.txt}         |  11 +-
 drivers/clk/hisilicon/Kconfig                      |   8 +
 drivers/clk/hisilicon/Makefile                     |   1 +
 drivers/clk/hisilicon/crg-hi3798cv200.c            | 305 +++++++++++++++++++++
 drivers/clk/hisilicon/crg.h                        |  34 +++
 include/dt-bindings/clock/histb-clock.h            |  64 +++++
 6 files changed, 419 insertions(+), 4 deletions(-)
 rename Documentation/devicetree/bindings/clock/{hi3519-crg.txt => hisi-crg.txt} (82%)
 create mode 100644 drivers/clk/hisilicon/crg-hi3798cv200.c
 create mode 100644 drivers/clk/hisilicon/crg.h
 create mode 100644 include/dt-bindings/clock/histb-clock.h

diff --git a/Documentation/devicetree/bindings/clock/hi3519-crg.txt b/Documentation/devicetree/bindings/clock/hisi-crg.txt
similarity index 82%
rename from Documentation/devicetree/bindings/clock/hi3519-crg.txt
rename to Documentation/devicetree/bindings/clock/hisi-crg.txt
index acd1f23..e3919b6 100644
--- a/Documentation/devicetree/bindings/clock/hi3519-crg.txt
+++ b/Documentation/devicetree/bindings/clock/hisi-crg.txt

@@ -1,7 +1,7 @@
-* Hisilicon Hi3519 Clock and Reset Generator(CRG)
+* HiSilicon Clock and Reset Generator(CRG)
 
-The Hi3519 CRG module provides clock and reset signals to various
-controllers within the SoC.
+The CRG module provides clock and reset signals to various
+modules within the SoC.
 
 This binding uses the following bindings:
     Documentation/devicetree/bindings/clock/clock-bindings.txt

@@ -10,7 +10,10 @@ This binding uses the following bindings:
 Required Properties:
 
 - compatible: should be one of the following.
-  - "hisilicon,hi3519-crg" - controller compatible with Hi3519 SoC.
+  - "hisilicon,hi3516cv300-crg"
+  - "hisilicon,hi3519-crg"
+  - "hisilicon,hi3798cv200-crg"
+  - "hisilicon,hi3798cv200-sysctrl"