Re: [RFC PATCH v2 4/6] arm64: dts: exynos: add OF graph between MHL and USB connector

[Andrzej Hajda]

On 15.02.2018 13:14, Krzysztof Kozlowski wrote:
> On Thu, Feb 15, 2018 at 11:39 AM, Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote:
>> OF graph describes MHL data lanes between MHL and respective USB
>> connector.
>>
>> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
>> ---
>>  .../boot/dts/exynos/exynos5433-tm2-common.dtsi     | 31 +++++++++++++++++++---
>>  1 file changed, 28 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
>> index 7e49fadee412..ef758f7337e9 100644
>> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
>> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
>> @@ -779,9 +779,22 @@
>>                 clocks = <&pmu_system_controller 0>;
>>                 clock-names = "xtal";
>>
>> -               port {
>> -                       mhl_to_hdmi: endpoint {
>> -                               remote-endpoint = <&hdmi_to_mhl>;
>> +               ports {
>> +                       #address-cells = <1>;
>> +                       #size-cells = <0>;
>> +
>> +                       port@0 {
>> +                               reg = <0>;
>> +                               mhl_to_hdmi: endpoint {
>> +                                       remote-endpoint = <&hdmi_to_mhl>;
>> +                               };
>> +                       };
>> +
>> +                       port@1 {
>> +                               reg = <1>;
>> +                               mhl_to_musb_con: endpoint {
>> +                                       remote-endpoint = <&musb_con_to_mhl>;
>> +                               };
>>                         };
>>                 };
>>         };
>> @@ -804,6 +817,18 @@
>>                                              "usb-b-connector";
>>                                 label = "micro-USB";
>>                                 type = "micro";
>> +
>> +                               ports {
>> +                                       #address-cells = <1>;
>> +                                       #size-cells = <0>;
>> +
>> +                                       port@3 {
> I think you might need here "reg = <3>". Doesn't it produce a warning now?

You are right, I will fix it. Warning is produced only if compiled with W=1.

Regards
Andrzej

>
> BR,
> Krzysztof
>
>> +                                               musb_con_to_mhl: endpoint {
>> +                                                       remote-endpoint = <&mhl_to_musb_con>;
>> +                                               };
>> +                                       };
>> +                               };
>> +                       };
>>                         };
>>                 };
>>
>> --
>> 2.16.1
>>
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