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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/
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