Re: [PATCH v2 next 1/2] dts: hisi: fixes no syscon error when init mdio
From: Yankejian (Hackim Yim)
Date: Wed Dec 09 2015 - 05:57:09 EST
On 2015/12/8 23:25, Rob Herring wrote:
> On Mon, Dec 07, 2015 at 04:25:06PM +0800, yankejian wrote:
>> Signed-nux start up, we get the log below:
>> "Hi-HNS_MDIO 803c0000.mdio: no syscon hisilicon,peri-c-subctrl
>> mdio_bus mdio@803c0000: mdio sys ctl reg has not maped "
>>
>> the source code about the subctrl is dealled with syscon, but dts doesn't.
> The source...
>
> s/dealled/dealt/
Thanks for pointing it out. it will be changed in patch v3.
Best Regards,
yankejian
>> it cause such fault. so this patch adds the syscon info on dts files to
>> fixes it. and it adds documentation for the devicetree bindings used by
> Capitalization please.
Thanks a lot for pointing it out. i will pay attention to that next time.
Best Regards,
yankejian
>> DT files of Hisilicon Hip05-D02 development board.
>>
>> Signed-off-by: yankejian <yankejian@xxxxxxxxxx>
>> ---
>> change log:
>> v2:
>> 1) updates the related documented in the binding as well
>> 2) use the normal naming conventions using '-' instead of '_'
>>
>> v1:
>> initial version
>> ---
>> .../devicetree/bindings/arm/hisilicon/hisilicon.txt | 16 ++++++++++++++++
>> arch/arm64/boot/dts/hisilicon/hip05.dtsi | 5 +++++
>> arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi | 4 ++--
>> 3 files changed, 23 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
>> index 6ac7c00..9f05767 100644
>> --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
>> +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
>> @@ -187,6 +187,22 @@ Example:
>> reg = <0xb0000000 0x10000>;
>> };
>>
>> +Hisilicon HiP05 PERISUB system controller
>> +
>> +Required properties:
>> +- compatible : "hisilicon,peri-c-subctrl", "syscon";
>> +- reg : Register address and size
>> +
>> +The HiP05 PERISUB system controller is shared by peripheral controllers in
>> +HiP05 Soc to implement some basic configurations. the peripheral
>> +controllers include mdio, ddr, iic, uart, timer and so on.
>> +
>> +Example:
>> + /* for HiP05 PCIe-SAS system */
>> + peri-c-subctrl: sub-ctrl-c@80000000 {
> s/sub-ctrl-c/syscon/
Thanks for pointing it out. it will be changed in patch v3.
Best Regards,
yankejian
>
>> + compatible = "hisilicon,peri-c-subctrl", "syscon";
>> + reg = <0x0 0x80000000 0x0 0x10000>;
>> + };
>> -----------------------------------------------------------------------
>> Hisilicon CPU controller
>>
>> diff --git a/arch/arm64/boot/dts/hisilicon/hip05.dtsi b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
>> index 4ff16d0..5fec740 100644
>> --- a/arch/arm64/boot/dts/hisilicon/hip05.dtsi
>> +++ b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
>> @@ -246,6 +246,11 @@
>> clock-frequency = <200000000>;
>> };
>>
>> + peri_c_subctrl: sub-ctrl-c@80000000 {
>> + compatible = "hisilicon,peri-c-subctrl", "syscon";
>> + reg = < 0x0 0x80000000 0x0 0x10000>;
>> + };
>> +
>> uart0: uart@80300000 {
>> compatible = "snps,dw-apb-uart";
>> reg = <0x0 0x80300000 0x0 0x10000>;
>> diff --git a/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi b/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi
>> index 606dd5a..da7b6e6 100644
>> --- a/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi
>> +++ b/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi
>> @@ -10,8 +10,8 @@ soc0: soc@000000000 {
>> #address-cells = <1>;
>> #size-cells = <0>;
>> compatible = "hisilicon,hns-mdio";
>> - reg = <0x0 0x803c0000 0x0 0x10000
>> - 0x0 0x80000000 0x0 0x10000>;
>> + reg = <0x0 0x803c0000 0x0 0x10000>;
>> + subctrl-vbase = <&peri_c_subctrl>;
>>
>> soc0_phy0: ethernet-phy@0 {
>> reg = <0x0>;
>> --
>> 1.9.1
>>
> .
>
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