From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0E98047A0C4; Thu, 4 Jun 2026 16:18:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780589930; cv=none; b=fEjDCMMKhznOqsLK4hvFOAp4mhZH4BndqB69Zwsgs6I6L0jhpmy5iT1nfa+o0goAszTo0lYwIhzFlvGrWYRqw0p1GNAj9vrwEz8WEgrV6Vl0WsbQqzhC9bXHhPPHDsxEGqVuLuHzJn2NFw7YuRXJ0WDy4WbNw77+5QwXT6zUZ5o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780589930; c=relaxed/simple; bh=OAdJDoexPkQT9ots4EbkSWm5SFdMRsHbuuzQVtz1jwM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=N2o9yqY4k5CVdjSTostNbEZiasKlwPRSw2HgYEhx8d0aMFpMwnUHN8JR10va1+SsFBwTsPR4Ftj3ZmJm+9Wkb3827xGk5217HAt9ptQOaau0oFdv7HIa5lgYtSraCXRV6kOtYVBnMynVDkYAQo8yGEGvakrZzZdpr//nCFY26qU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nzCSB/GM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nzCSB/GM" Received: by smtp.kernel.org (Postfix) with ESMTPS id 9530BC4AF0B; Thu, 4 Jun 2026 16:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780589929; bh=OAdJDoexPkQT9ots4EbkSWm5SFdMRsHbuuzQVtz1jwM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=nzCSB/GMqT9c0C6S29GK+f70N6/myCM6DAVGuS0iHs6Y0udeeNcjNzf1oNEn0/SDf ovfRKUoZLqw43z6BiyiEpYTMKR0GDk7to+CBPmbKJFTFjMNns09IeNQArXEs5fA3R8 sGQaFrflNcLTc7fNXII5VU5REr2EI+9ojVkKJd6ZkCjY+gqfxc0k8s8bPxdHyzXdIG F6Fb3o4ZWhMI5E/LcKji093w2Wuq2HoWnSUndMtRbUErdj2IBzA2gH8bpCTGjI+DCi NqgEzWgkiLe36rXs+E2hZtzDh+sw+nIqUaZCq39qGeQrNqU/N645jsWcHeFp62lnT0 XALpE54Kk31ew== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83A15CD6E77; Thu, 4 Jun 2026 16:18:49 +0000 (UTC) From: =?utf-8?q?J=C3=A9r=C3=B4me_de_Bretagne_via_B4_Relay?= Date: Thu, 04 Jun 2026 18:18:38 +0200 Subject: [PATCH v3 02/10] arm64: dts: qcom: sc8280xp-arcata: Enable the eDP display 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: 8bit Message-Id: <20260604-surface-sp9-5g-for-next-v3-2-6aa6f6612c10@gmail.com> References: <20260604-surface-sp9-5g-for-next-v3-0-6aa6f6612c10@gmail.com> In-Reply-To: <20260604-surface-sp9-5g-for-next-v3-0-6aa6f6612c10@gmail.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Johan Hovold Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , =?utf-8?q?J=C3=A9r=C3=B4me_de_Bretagne?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780589927; l=2658; i=jerome.debretagne@gmail.com; s=20260520; h=from:subject:message-id; bh=ArT83CzUHU9cMXn/mN7oML+/ug0Ds8jF1qJcB4FmuvI=; b=lANYZAicxjZ8LNulmHH0rOmW7fIAuJ/s77PgW1FVIg/FdZMQlI/7PYoukgJikvcg0qILuh8Pi qJkVjNdYEgCAutYGtV5ighRqnKkKA/F5EbOzOxmRlTBtBZx28v91fGX X-Developer-Key: i=jerome.debretagne@gmail.com; a=ed25519; pk=3/JYhgYjGg5V9mlFxc0A0+pFiyjsuDB/TtDlNMId9fk= X-Endpoint-Received: by B4 Relay for jerome.debretagne@gmail.com/20260520 with auth_id=785 X-Original-From: =?utf-8?q?J=C3=A9r=C3=B4me_de_Bretagne?= Reply-To: jerome.debretagne@gmail.com From: Jérôme de Bretagne Add the vreg_edp_3p3, edp_reg_en and mdss0_dp3 nodes to enable the Surface Pro 9 5G eDP-based LCD display (LG LP129WT232166). Signed-off-by: Jérôme de Bretagne --- .../boot/dts/qcom/sc8280xp-microsoft-arcata.dts | 64 ++++++++++++++++++++-- 1 file changed, 59 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts index f24f60dc73afea6eeee0ea26472cda3223811752..476e17415da273330e3638e040db9cd4ed408bf1 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts @@ -136,6 +136,22 @@ pmic_glink_con1_sbu: endpoint { }; }; + vreg_edp_3p3: regulator-edp-3p3 { + compatible = "regulator-fixed"; + + regulator-name = "VREG_EDP_3P3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 36 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&edp_reg_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + vreg_nvme: regulator-nvme { compatible = "regulator-fixed"; @@ -344,7 +360,6 @@ vreg_l6b: ldo6 { regulator-max-microvolt = <880000>; regulator-initial-mode = ; regulator-boot-on; - regulator-always-on; // FIXME: VDD_A_EDP_0_0P9 }; }; @@ -448,10 +463,6 @@ &dispcc0 { status = "okay"; }; -&dispcc1 { - status = "okay"; -}; - &gpi_dma0 { status = "okay"; }; @@ -494,6 +505,42 @@ &mdss0_dp1_out { remote-endpoint = <&usb_1_qmpphy_dp_in>; }; +&mdss0_dp3 { + compatible = "qcom,sc8280xp-edp"; + /delete-property/ #sound-dai-cells; + + data-lanes = <0 1 2 3>; + + status = "okay"; + + aux-bus { + panel { + compatible = "edp-panel"; + + backlight = <&backlight>; + power-supply = <&vreg_edp_3p3>; + + port { + edp_panel_in: endpoint { + remote-endpoint = <&mdss0_dp3_out>; + }; + }; + }; + }; +}; + +&mdss0_dp3_out { + remote-endpoint = <&edp_panel_in>; +}; + +&mdss0_dp3_phy { + compatible = "qcom,sc8280xp-edp-phy"; + vdda-phy-supply = <&vreg_l6b>; + vdda-pll-supply = <&vreg_l3b>; + + status = "okay"; +}; + &pcie2a { perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; @@ -910,6 +957,13 @@ hstp-sw-ctrl-pins { }; }; + edp_reg_en: edp-reg-en-state { + pins = "gpio36"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + nvme_reg_en: nvme-reg-en-state { pins = "gpio135"; function = "gpio"; -- 2.47.3