Re: [PATCH v2] clk: hisilicon: add CRG driver for Hi3798CV200 SoC

From: Rob Herring
Date: Fri Sep 23 2016 - 13:47:11 EST


On Sun, Sep 18, 2016 at 03:30:21PM +0800, Jiancheng Xue wrote:
> 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@xxxxxxxxxxxxx>
> ---
> 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"

Why crg and sysctrl?

>
> - reg: physical base address of the controller and length of memory mapped
> region.