Re: [PATCH V5 Base on RC7 3/3] Add reset controller for hi6220 SoC platform.
From: chenfeng
Date: Thu Oct 29 2015 - 04:34:56 EST
Thanks.
On 2015/10/28 19:42, Philipp Zabel wrote:
> Am Dienstag, den 27.10.2015, 17:51 +0800 schrieb Chen Feng:
>> reset: add driver for hi6220 reset controller
>>
>> Signed-off-by: Chen Feng <puck.chen@xxxxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
>> index 3f03380..3f055e2 100644
>> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
>> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
>> @@ -167,5 +167,12 @@
>> clocks = <&ao_ctrl 36>, <&ao_ctrl 36>;
>> clock-names = "uartclk", "apb_pclk";
>> };
>> +
>> + reset_ctrl: reset_ctrl@f7030000 {
>> + compatible = "hisilicon,hi6220-reset-ctl";
>> + reg = <0x0 0xf7030000 0x0 0x1000>;
>> + #reset-cells = <1>;
>> + };
>> +
>
> While applying I just noticed that the device tree already contains a
> node claiming the same address space:
>
> sys_ctrl: sys_ctrl@f7030000 {
> compatible = "hisilicon,hi6220-sysctrl", "syscon";
> reg = <0x0 0xf7030000 0x0 0x2000>;
> #clock-cells = <1>;
> };
>
> It is documented in
> Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt and
> Documentation/devicetree/bindings/clock/hi6220-clock.txt.
>
> Could you clarify whether the reset controls are just part of the
> sys_ctrl block? If so, I think you should add #reset-cells = <1> to the
> sys_ctrl node instead.
>
Yes, It's a part of the sys_ctrl block, I will do as your advice.
> regards
> Philipp
>
>
> .
>
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