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Tue, 10 Mar 2026 08:20:14 -0700 (PDT) Received: from [127.0.1.1] ([2001:861:3201:3d10:6ff9:342f:d717:ee6d]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4853927825csm66137175e9.9.2026.03.10.08.20.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 08:20:13 -0700 (PDT) From: Gary Bisson Date: Tue, 10 Mar 2026 16:20:13 +0100 Subject: [PATCH] arm64: dts: mediatek: mt8390-tungsten-smarc: add HDMI support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260310-mtkhdmi-v1-1-841e834c8abc@gmail.com> X-B4-Tracking: v=1; b=H4sIAKw2sGkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDY0MD3dyS7IyU3Ezd5NRk45SUJCMTiyQDJaDqgqLUtMwKsEnRsbW1ACN LVsJZAAAA X-Change-ID: 20260310-mtkhdmi-cec3ddb248b0 To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Gary Bisson X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773156013; l=3443; i=bisson.gary@gmail.com; s=20251201; h=from:subject:message-id; bh=C8J5Ohkbi26wTNa7lGQKZ8K2vWOttsiVn2qPlKqCB0g=; b=uOkV/mzuDsU2lf2WEF+Qa9VcgGytdgO2J12PEOKmzyOdBJ5xOx+yRjEXzwmA/cmbzMyQ+tgGk 6roB2Txi1iuDNuvTVCZ3RaJ55vUCzvxRDWbbDZBeh0AANuf0CcruxsP X-Developer-Key: i=bisson.gary@gmail.com; a=ed25519; pk=eaOrLwovHUZBMoLbrx+L1ppj+AH+TfgxkVhIEyrhkeE= Add HDMI display out support to both Tungsten510 & Tungsten700 platforms. HDMI audio is not covered by this patch, audio (HDMI & I2S) will be added as a follow-up patch. Signed-off-by: Gary Bisson --- .../boot/dts/mediatek/mt8390-tungsten-smarc.dtsi | 116 +++++++++++++++++= ++++ 1 file changed, 116 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dtsi b/arch= /arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dtsi index 40b381d4cc35..85c1ff6a3588 100644 --- a/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8390-tungsten-smarc.dtsi @@ -46,6 +46,20 @@ chosen { stdout-path =3D "serial0:115200n8"; }; =20 + connector { + compatible =3D "hdmi-connector"; + label =3D "hdmi"; + type =3D "a"; + ddc-i2c-bus =3D <&hdmi_ddc>; + hdmi-pwr-supply =3D <&hdmi_phy>; + + port { + hdmi_connector_in: endpoint { + remote-endpoint =3D <&hdmi0_out>; + }; + }; + }; + firmware { optee { compatible =3D "linaro,optee-tz"; @@ -283,6 +297,18 @@ &dither0_out { remote-endpoint =3D <&dsi0_in>; }; =20 +&dpi1 { + status =3D "okay"; +}; + +&dpi1_in { + remote-endpoint =3D <&merge5_out>; +}; + +&dpi1_out { + remote-endpoint =3D <&hdmi0_in>; +}; + ð { phy-mode =3D"rgmii-id"; phy-handle =3D <ðernet_phy0>; @@ -304,6 +330,35 @@ ethernet_phy0: ethernet-phy@7 { }; }; =20 +ðdr0 { + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0>; + + ethdr0_in: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <&vdosys1_ep_ext>; + }; + }; + + port@1 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <1>; + + ethdr0_out: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <&merge5_in>; + }; + }; + }; +}; + &gamma0_out { remote-endpoint =3D <&postmask0_in>; }; @@ -313,6 +368,26 @@ &gpu { status =3D "okay"; }; =20 +&hdmi { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&hdmi_pins>; + status =3D "okay"; +}; + +&hdmi0_in { + remote-endpoint =3D <&dpi1_out>; +}; + +&hdmi0_out { + remote-endpoint =3D <&hdmi_connector_in>; +}; + +&hdmi_phy { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&hdmi_vreg_pins>; + status =3D "okay"; +}; + &i2c0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&i2c0_pins>; @@ -531,6 +606,35 @@ touchscren@5d { }; }; =20 +&merge5 { + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0>; + + merge5_in: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <ðdr0_out>; + }; + }; + + port@1 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <1>; + + merge5_out: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <&dpi1_in>; + }; + }; + }; +}; + &mfg0 { domain-supply =3D <&mt6359_vproc2_buck_reg>; }; @@ -977,6 +1081,18 @@ vdosys0_ep_main: endpoint@0 { }; }; =20 +&vdosys1 { + port { + #address-cells =3D <1>; + #size-cells =3D <0>; + + vdosys1_ep_ext: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <ðdr0_in>; + }; + }; +}; + &watchdog { pinctrl-names =3D "default"; pinctrl-0 =3D <&watchdog_pins>; --- base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f change-id: 20260310-mtkhdmi-cec3ddb248b0 Best regards, --=20 Gary Bisson