Re: [PATCH v2 2/2] ARM: tegra: transformers: add connector node

[Thierry Reding]

On Sun, Jun 18, 2023 at 11:50:46AM +0300, Svyatoslav Ryhel wrote:
> All ASUS Transformers have micro-HDMI connector directly available.
> After Tegra HDMI got bridge/connector support, we should use connector
> framework for proper HW description.
> 
> Tested-by: Andreas Westman Dorcsak <hedmoo@xxxxxxxxx> # ASUS TF T30
> Tested-by: Robert Eckelmann <longnoserob@xxxxxxxxx> # ASUS TF101 T20
> Tested-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> # ASUS TF201 T30
> Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
> ---
>  arch/arm/boot/dts/tegra20-asus-tf101.dts      | 22 ++++++++++++++++---
>  .../dts/tegra30-asus-transformer-common.dtsi  | 21 ++++++++++++++++--
>  2 files changed, 38 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/tegra20-asus-tf101.dts b/arch/arm/boot/dts/tegra20-asus-tf101.dts
> index c2a9c3fb5b33..97350f566539 100644
> --- a/arch/arm/boot/dts/tegra20-asus-tf101.dts
> +++ b/arch/arm/boot/dts/tegra20-asus-tf101.dts
> @@ -82,9 +82,11 @@ hdmi@54280000 {
>  			pll-supply = <&hdmi_pll_reg>;
>  			hdmi-supply = <&vdd_hdmi_en>;
>  
> -			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
> -			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
> -				GPIO_ACTIVE_HIGH>;
> +			port@0 {
> +				hdmi_out: endpoint {
> +					remote-endpoint = <&connector_in>;
> +				};
> +			};

Does this need a bindings change? nvidia,tegra20-hdmi currently doesn't
support OF graphs, so this would probably fail to validate if we merge
it without a corresponding DT bindings update.

Thierry

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