[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CAAS=xmjURtR6Nhubg7JptXgtUGtZs8090FHJutnCaau4GzqZzg@mail.gmail.com>
Date: Fri, 6 Feb 2015 15:32:13 +0800
From: Brent Wang <wangbintian@...il.com>
To: Mark Rutland <mark.rutland@....com>
Cc: Bintian Wang <bintian.wang@...wei.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Catalin Marinas <Catalin.Marinas@....com>,
Will Deacon <Will.Deacon@....com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
Pawel Moll <Pawel.Moll@....com>,
"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
"galak@...eaurora.org" <galak@...eaurora.org>,
"khilman@...aro.org" <khilman@...aro.org>,
"mturquette@...aro.org" <mturquette@...aro.org>,
"rob.herring@...aro.org" <rob.herring@...aro.org>,
"zhangfei.gao@...aro.org" <zhangfei.gao@...aro.org>,
"haojian.zhuang@...aro.org" <haojian.zhuang@...aro.org>,
"xuwei5@...ilicon.com" <xuwei5@...ilicon.com>,
"jh80.chung@...sung.com" <jh80.chung@...sung.com>,
"olof@...om.net" <olof@...om.net>,
"yanhaifeng@...il.com" <yanhaifeng@...il.com>,
"sboyd@...eaurora.org" <sboyd@...eaurora.org>,
"xuejiancheng@...wei.com" <xuejiancheng@...wei.com>,
"sledge.yanwei@...wei.com" <sledge.yanwei@...wei.com>,
"tomeu.vizoso@...labora.com" <tomeu.vizoso@...labora.com>,
"linux@....linux.org.uk" <linux@....linux.org.uk>,
"guodong.xu@...aro.org" <guodong.xu@...aro.org>,
"xuyiping@...ilicon.com" <xuyiping@...ilicon.com>,
"wangbinghui@...ilicon.com" <wangbinghui@...ilicon.com>,
"zhenwei.wang@...ilicon.com" <zhenwei.wang@...ilicon.com>,
"victor.lixin@...ilicon.com" <victor.lixin@...ilicon.com>,
"puck.chen@...ilicon.com" <puck.chen@...ilicon.com>,
"dan.zhao@...ilicon.com" <dan.zhao@...ilicon.com>,
"huxinwei@...wei.com" <huxinwei@...wei.com>,
"z.liuxinliang@...wei.com" <z.liuxinliang@...wei.com>,
"heyunlei@...wei.com" <heyunlei@...wei.com>,
"kong.kongxinwei@...ilicon.com" <kong.kongxinwei@...ilicon.com>,
"btw@...l.itp.ac.cn" <btw@...l.itp.ac.cn>,
"w.f@...wei.com" <w.f@...wei.com>,
"liguozhu@...ilicon.com" <liguozhu@...ilicon.com>
Subject: Re: [PATCH 2/3] clk: hi6220: Clock driver support for Hisilicon
hi6220 SoC
Hi Mark,
2015-02-06 3:25 GMT+08:00 Mark Rutland <mark.rutland@....com>:
> On Thu, Feb 05, 2015 at 09:24:36AM +0000, Bintian Wang wrote:
>> Add clock drivers for hi6220 SoC, this driver controls the SoC
>> registers to supply different clocks to different IPs in the SoC.
>>
>> We add one divider clock for hi6220 because the divider in hi6220
>> also has a mask bit but it doesnot obey the rule defined by flag
>> "CLK_DIVIDER_HIWORD_MASK", we can not get index of the mask bit by
>> left shift fixed bits (e.g. 16 bits), so we add this divider clock
>> to handle it.
>>
>> This patch also enables this clock driver for ARCH_HISI and document
>> devicetree bindings.
>>
>> Signed-off-by: Bintian Wang <bintian.wang@...wei.com>
>> Reviewed-by: Haojian Zhuang <haojian.zhuang@...aro.org>
>> Reviewed-by: Zhangfei Gao <zhangfei.gao@...aro.org>
>> ---
>> .../devicetree/bindings/clock/hi6220-clock.txt | 30 +++
>> arch/arm64/Kconfig | 1 +
>> drivers/clk/Kconfig | 2 +
>> drivers/clk/Makefile | 4 +-
>> drivers/clk/hisilicon/Kconfig | 5 +
>> drivers/clk/hisilicon/Makefile | 1 +
>> drivers/clk/hisilicon/clk-hi6220.c | 284 ++++++++++++++++++++
>> drivers/clk/hisilicon/clk.c | 29 ++
>> drivers/clk/hisilicon/clk.h | 17 ++
>> drivers/clk/hisilicon/clkdivider-hi6220.c | 273 +++++++++++++++++++
>> include/dt-bindings/clock/hi6220-clock.h | 172 ++++++++++++
>> 11 files changed, 815 insertions(+), 3 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/clock/hi6220-clock.txt
>> create mode 100644 drivers/clk/hisilicon/Kconfig
>> create mode 100644 drivers/clk/hisilicon/clk-hi6220.c
>> create mode 100644 drivers/clk/hisilicon/clkdivider-hi6220.c
>> create mode 100644 include/dt-bindings/clock/hi6220-clock.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/hi6220-clock.txt b/Documentation/devicetree/bindings/clock/hi6220-clock.txt
>> new file mode 100644
>> index 0000000..a3ddda1
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/hi6220-clock.txt
>> @@ -0,0 +1,30 @@
>> +* Hisilicon Hi6220 Clock Controller
>> +
>> +The hi6220 clock controller generates and supplies clock to various
>> +controllers within the hi6220 SoC.
>> +
>> +Required Properties:
>> +
>> +- compatible: should be one of the following:
>> + - "hisilicon,hi6220-clock-ao" - controller for those clocks under SoC
>> + power always on(AO) domain, it is the sub node of SoC power AO
>> + controller in dts file.
>> + - "hisilicon,hi6220-clock-sys" - controller for those clocks under SoC
>> + system control domain, it is the sub node of SoC system controller
>> + in dts file.
>> + - "hisilicon,hi6220-clock-media" - controller for those clocks under
>> + SoC media control domain, it is the sub node of SoC media controller
>> + in dts file.
>> + - "hisilicon,hi6220-clock-power" - controller for those clocks under
>> + SoC power control domain, it is the sub node of SoC power controller
>> + in dts file.
>
> These all refer to things which aren't documented (yet).
>
> Please sort out your patches so that any documentation you depend on
> comes earlier.
>
> Please also separate documentation from code. Note that dt includes are
> _bindings_ and should be added with the relevant documentation.
Thanks for help to review, I also think separate documentation from
code is better
way, it will be fixed in next version.
Thanks,
Bintian
> Thanks,
> Mark.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists