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

From: Thierry Reding
Date: Thu Jul 27 2023 - 11:11:27 EST


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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