From nobody Sun Feb 8 00:35:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4197BC7EE33 for ; Tue, 6 Jun 2023 15:41:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238657AbjFFPlB (ORCPT ); Tue, 6 Jun 2023 11:41:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238653AbjFFPkk (ORCPT ); Tue, 6 Jun 2023 11:40:40 -0400 Received: from finn.localdomain (finn.gateworks.com [108.161.129.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D0E510D4; Tue, 6 Jun 2023 08:40:39 -0700 (PDT) Received: from 068-189-091-139.biz.spectrum.com ([68.189.91.139] helo=tharvey.pdc.gateworks.com) by finn.localdomain with esmtp (Exim 4.93) (envelope-from ) id 1q6YnR-0067qK-0T; Tue, 06 Jun 2023 15:40:33 +0000 From: Tim Harvey To: linux-arm-kernel@lists.infradead.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tim Harvey Subject: [PATCH] arm64: dts: imx8mm-venice-gw7904: disable disp_blk_ctrl Date: Tue, 6 Jun 2023 08:40:30 -0700 Message-Id: <20230606154030.1449558-1-tharvey@gateworks.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The GW7904 does not connect the VDD_MIPI power rails thus MIPI is disabled. However we must also disable disp_blk_ctrl as it uses the pgc_mipi power domain and without it being disabled imx8m-blk-ctrl will fail to probe: imx8m-blk-ctrl 32e28000.blk-ctrl: error -ETIMEDOUT: failed to attach power domain "mipi-dsi" imx8m-blk-ctrl: probe of 32e28000.blk-ctrl failed with error -110 Fixes: b999bdaf0597 ("arm64: dts: imx: Add i.mx8mm Gateworks gw7904 dts sup= port") Signed-off-by: Tim Harvey --- arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts b/arch/= arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts index c12e3f4f800f..6ca52a14a5ab 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts @@ -628,6 +628,10 @@ &pcie0 { status =3D "okay"; }; =20 +&disp_blk_ctrl { + status =3D "disabled"; +}; + &pgc_mipi { status =3D "disabled"; }; --=20 2.25.1