Re: [PATCH] arm64: dts: qcom: Revert "arm64: dts: qcom: qrb5165-rb5: enable DP altmode"

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On Sat, 11 Nov 2023 at 11:46, Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> This reverts commit b3dea914127e9065df003002ed13a2ef40d19877.
>
> The commit introduced unsupported and undocumented properties:
>
>   qrb5165-rb5.dtb: pmic@2: typec@1500:connector: 'altmodes' does not match any of the regexes: 'pinctrl-[0-9]+'

We need this property to enable DP altmode on RB5. It has been parsed
by the typec subsystem since the commit 7b458a4c5d73 ("usb: typec: Add
typec_port_register_altmodes()"), merged in April 2021.

Rather than landing this commit, let me propose to send the proper
binding instead. If we can not agree on a compatible bindings document
within the sensible timeframe (e.g. 1 month), I'm fine with dropping
of the altmodes from qrb5156-rb5.

>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 7 -------
>  1 file changed, 7 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> index c8cd40a462a3..3bd0c06e7315 100644
> --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> @@ -1423,13 +1423,6 @@ PDO_FIXED_DUAL_ROLE |
>                                          PDO_FIXED_USB_COMM |
>                                          PDO_FIXED_DATA_SWAP)>;
>
> -               altmodes {
> -                       displayport {
> -                               svid = <0xff01>;
> -                               vdo = <0x00001c46>;
> -                       };
> -               };
> -
>                 ports {
>                         #address-cells = <1>;
>                         #size-cells = <0>;
> --
> 2.34.1
>
>


-- 
With best wishes
Dmitry




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