Commit db0f90ef authored by Bintian Wang's avatar Bintian Wang Committed by Wei Xu

clk: hi6220: Document devicetree bindings for hi6220 clock

Document DT files bindings for Hisilicon hi6220 clock.
Signed-off-by: default avatarBintian Wang <bintian.wang@huawei.com>
Acked-by: default avatarHaojian Zhuang <haojian.zhuang@linaro.org>
Suggested-by: default avatarArnd Bergmann <arnd@arndb.de>
Acked-by: default avatarStephen Boyd <sboyd@codeaurora.org>
Acked-by: default avatarMichael Turquette <mturquette@linaro.org>
Signed-off-by: default avatarWei Xu <xuwei5@hisilicon.com>
parent 3833fe5f
* Hisilicon Hi6220 Clock Controller
Clock control registers reside in different Hi6220 system controllers,
please refer the following document to know more about the binding rules
for these system controllers:
Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
Required Properties:
- compatible: the compatible should be one of the following strings to
indicate the clock controller functionality.
- "hisilicon,hi6220-aoctrl"
- "hisilicon,hi6220-sysctrl"
- "hisilicon,hi6220-mediactrl"
- "hisilicon,hi6220-pmctrl"
- reg: physical base address of the controller and length of memory mapped
region.
- #clock-cells: should be 1.
For example:
sys_ctrl: sys_ctrl@f7030000 {
compatible = "hisilicon,hi6220-sysctrl", "syscon";
reg = <0x0 0xf7030000 0x0 0x2000>;
#clock-cells = <1>;
};
Each clock is assigned an identifier and client nodes use this identifier
to specify the clock which they consume.
All these identifier could be found in <dt-bindings/clock/hi6220-clock.h>.
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