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[2003:e4:1f1b:d600:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id s11-20020aa7c54b000000b0051df54c6a27sm832509edr.56.2023.07.27.09.50.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 09:50:36 -0700 (PDT) Date: Thu, 27 Jul 2023 18:50:35 +0200 From: Thierry Reding To: Svyatoslav Ryhel Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Hunter , Mikko Perttunen , David Airlie , Daniel Vetter , Maxim Schwalm , Dmitry Osipenko , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v2 2/2] ARM: tegra: transformers: add connector node Message-ID: References: <20230618085046.10081-1-clamor95@gmail.com> <20230618085046.10081-3-clamor95@gmail.com> <5A2447D3-DB49-4788-AA05-182AF0F04ED2@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="+quuNHqy5nY6+XIF" Content-Disposition: inline In-Reply-To: <5A2447D3-DB49-4788-AA05-182AF0F04ED2@gmail.com> User-Agent: Mutt/2.2.10 (2023-03-25) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --+quuNHqy5nY6+XIF Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 27, 2023 at 07:26:28PM +0300, Svyatoslav Ryhel wrote: >=20 >=20 > 27 =D0=BB=D0=B8=D0=BF=D0=BD=D1=8F 2023 =D1=80. 18:11:15 GMT+03:00, Thierr= y Reding =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0= =B2(-=D0=BB=D0=B0): > >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. > >>=20 > >> Tested-by: Andreas Westman Dorcsak # ASUS TF T30 > >> Tested-by: Robert Eckelmann # ASUS TF101 T20 > >> Tested-by: Svyatoslav Ryhel # ASUS TF201 T30 > >> Signed-off-by: Svyatoslav Ryhel > >> --- > >> arch/arm/boot/dts/tegra20-asus-tf101.dts | 22 ++++++++++++++++--- > >> .../dts/tegra30-asus-transformer-common.dtsi | 21 ++++++++++++++++-- > >> 2 files changed, 38 insertions(+), 5 deletions(-) > >>=20 > >> 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 =3D <&hdmi_pll_reg>; > >> hdmi-supply =3D <&vdd_hdmi_en>; > >> =20 > >> - nvidia,ddc-i2c-bus =3D <&hdmi_ddc>; > >> - nvidia,hpd-gpio =3D <&gpio TEGRA_GPIO(N, 7) > >> - GPIO_ACTIVE_HIGH>; > >> + port@0 { > >> + hdmi_out: endpoint { > >> + remote-endpoint =3D <&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. >=20 > drm/tegra patch is backwards compatible and connector node is optional. We still need to document the connector node, otherwise the DT validation will complain about port@0 being used here, won't it? 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