From nobody Fri Apr 3 22:32:10 2026 Received: from leonov.paulk.fr (leonov.paulk.fr [185.233.101.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24921257452; Thu, 2 Apr 2026 18:37:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.233.101.22 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775155044; cv=none; b=UMg06LbK3dypghP+vUbP39lxZswNzcdBPvoenO4tggSCeGT/xFus8otaZkUDEVq4rByEwdK5XgN0lYZsxRVOzvVx2DQBWzzhA+RTTyY/G8lFGgB94Sp5n+w9OXO6jitD/R9FshIQIABNyYXgC69OVZfdCCly93Fq9KlqK8wot8I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775155044; c=relaxed/simple; bh=9pBjDLgqpMumQWeZisa/9Hlv3ZQZpBWCi3eCi1iU9vw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=H4/2uIsgGsLRpIhzaiYfO28ct2SSskwQy/lomWDMqdMcGEEh3ZsCBA7ajLgTjiQoROOkpLriZ7QDtldB+gvBIL7oiblQUWBC+hg0hL0AlXodkXGE01Sx5D0Tb6wKhx/sansWJ+Hu/ZydVbq+fF1qk3zPVq3xthp5xhiLRhAG8yk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sys-base.io; spf=pass smtp.mailfrom=sys-base.io; arc=none smtp.client-ip=185.233.101.22 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sys-base.io Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sys-base.io Received: from laika.paulk.fr (12.234.24.109.rev.sfr.net [109.24.234.12]) by leonov.paulk.fr (Postfix) with ESMTPS id C76421F80041; Thu, 2 Apr 2026 18:37:20 +0000 (UTC) Received: by laika.paulk.fr (Postfix, from userid 65534) id 50DF1B40129; Thu, 2 Apr 2026 18:37:20 +0000 (UTC) X-Spam-Level: * Received: from shepard (unknown [192.168.1.65]) by laika.paulk.fr (Postfix) with ESMTP id 1E980B4012B; Thu, 2 Apr 2026 18:36:31 +0000 (UTC) From: Paul Kocialkowski To: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Yannic Moog , Fabio Estevam , Paul Kocialkowski Subject: [PATCH v2] arm64: dts: imx8mp-phyboard-pollux: Add HDMI support Date: Thu, 2 Apr 2026 20:36:26 +0200 Message-ID: <20260402183626.3284639-1-paulk@sys-base.io> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The PHYTEC phyBOARD Pollux comes with a HDMI port on the base board. Add the required device-tree nodes to enable support for it, including both the video and the audio paths. Signed-off-by: Paul Kocialkowski --- .../freescale/imx8mp-phyboard-pollux-rdk.dts | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b= /arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 0fe52c73fc8f..4efdc6bdfe12 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -38,6 +38,18 @@ fan0: fan { #cooling-cells =3D <2>; }; =20 + hdmi-connector { + compatible =3D "hdmi-connector"; + label =3D "hdmi"; + type =3D "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint =3D <&hdmi_tx_out>; + }; + }; + }; + panel_lvds1: panel-lvds1 { /* compatible panel in overlay */ backlight =3D <&backlight_lvds1>; @@ -126,6 +138,13 @@ reg_vcc_1v8_exp_con: regulator-vcc-1v8 { regulator-name =3D "VCC_1V8_EXP_CON"; }; =20 + sound-hdmi { + compatible =3D "fsl,imx-audio-hdmi"; + model =3D "audio-hdmi"; + audio-cpu =3D <&aud2htx>; + hdmi-out; + }; + thermal-zones { soc-thermal { trips { @@ -146,6 +165,10 @@ map1 { }; }; =20 +&aud2htx { + status =3D "okay"; +}; + /* TPM */ &ecspi1 { #address-cells =3D <1>; @@ -201,6 +224,32 @@ &flexcan2 { status =3D "okay"; }; =20 +&hdmi_pai { + status =3D "okay"; +}; + +&hdmi_pvi { + status =3D "okay"; +}; + +&hdmi_tx { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_hdmi>; + status =3D "okay"; + + ports { + port@1 { + hdmi_tx_out: endpoint { + remote-endpoint =3D <&hdmi_connector_in>; + }; + }; + }; +}; + +&hdmi_tx_phy { + status =3D "okay"; +}; + &i2c2 { clock-frequency =3D <400000>; pinctrl-names =3D "default", "gpio"; @@ -244,6 +293,10 @@ &i2c3 { scl-gpios =3D <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; }; =20 +&lcdif3 { + status =3D "okay"; +}; + &ldb_lvds_ch1 { remote-endpoint =3D <&panel1_in>; }; @@ -444,6 +497,15 @@ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x154 >; }; =20 + pinctrl_hdmi: hdmigrp { + fsl,pins =3D < + MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c3 + MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x1c3 + MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x19 + MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x19 + >; + }; + pinctrl_i2c2: i2c2grp { fsl,pins =3D < MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2 --=20 2.53.0