From mboxrd@z Thu Jan 1 00:00:00 1970 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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6805DD2594B for ; Tue, 27 Jan 2026 06:24:20 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id C78BA83FA3; Tue, 27 Jan 2026 07:24:12 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="UwXSiGuL"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 06F8883FAA; Tue, 27 Jan 2026 07:24:12 +0100 (CET) Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id E077D83F85 for ; Tue, 27 Jan 2026 07:24:09 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=sumit.garg@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2E486409A2; Tue, 27 Jan 2026 06:24:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E61FC116C6; Tue, 27 Jan 2026 06:24:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769495048; bh=+2zT9OdFnpFJJ5fGPWTUleM8x5J+pZakUQDtI/Tyupo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UwXSiGuLQQET7bdgiIihaeFxNmESDjROnhJVrCPXkep1cK47YE9Ovf0K5R2P8kea5 VsLuqMPBT98RctbgYJHZ6+b1ZmAAXGtpZs9K5PrgG3g9XOvhZV2xYhvzaJK2IReuUQ Q6dCyODhH/7ZkPRxePQmoxFVWBXM7ErzF7ii/AQOC991IwMxs4bC+bSWiiODJwHuhP WjSVJx/AGwkC+rk2POiFtcV/0Y4aqCICmbUsFbkBY7/A/KDbFX4cd/G13TKJMPP9CV lIx4wqZEDJV2BTYkgPgxn24gdAYl/4ZA92VQRyPtSCLo222PDjhXe2DFHJUQQqo1tA 3A4nJHDLzDASQ== From: Sumit Garg To: u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: trini@konsulko.com, casey.connolly@linaro.org, neil.armstrong@linaro.org, jens.wiklander@linaro.org, ilias.apalodimas@linaro.org, jorge.ramirez@oss.qualcomm.com, varadarajan.narayanan@oss.qualcomm.com, tonyh@qti.qualcomm.com, Sumit Garg Subject: [PATCH v3 2/3] mach-snapdragon: of_fixup: Add OP-TEE DT fixup support Date: Tue, 27 Jan 2026 11:53:40 +0530 Message-ID: <20260127062341.723966-3-sumit.garg@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260127062341.723966-1-sumit.garg@kernel.org> References: <20260127062341.723966-1-sumit.garg@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Sumit Garg Add support for OP-TEE live tree DT fixup support which enables U-Boot OP-TEE driver to be probed. As well as the EFI DT fixup protocol allows the live tree fixup to be carried over to the OS for the OP-TEE driver in the OS to probe as well. Note that this fixup only gets applied if OP-TEE support is detected via checking for OP-TEE message UID. Signed-off-by: Sumit Garg --- arch/arm/mach-snapdragon/of_fixup.c | 35 +++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm/mach-snapdragon/of_fixup.c b/arch/arm/mach-snapdragon/of_fixup.c index 5b6076ea8e5..644afc22d88 100644 --- a/arch/arm/mach-snapdragon/of_fixup.c +++ b/arch/arm/mach-snapdragon/of_fixup.c @@ -25,6 +25,7 @@ #include #include #include +#include #include /* U-Boot only supports USB high-speed mode on Qualcomm platforms with DWC3 @@ -164,6 +165,37 @@ static void fixup_power_domains(struct device_node *root) } } +static void add_optee_node(struct device_node *root) +{ + struct device_node *fw = NULL, *optee = NULL; + int ret; + + fw = of_find_node_by_path("/firmware"); + if (!fw) { + log_err("Failed to find /firmware node\n"); + return; + } + + ret = of_add_subnode(fw, "optee", strlen("optee") + 1, &optee); + if (ret) { + log_err("Failed to add 'optee' subnode: %d\n", ret); + return; + } + + ret = of_write_prop(optee, "compatible", strlen("linaro,optee-tz") + 1, + "linaro,optee-tz"); + if (ret) { + log_err("Failed to add optee 'compatible' property: %d\n", ret); + return; + } + + ret = of_write_prop(optee, "method", strlen("smc") + 1, "smc"); + if (ret) { + log_err("Failed to add optee 'method' property: %d\n", ret); + return; + } +} + #define time_call(func, ...) \ do { \ u64 start = timer_get_us(); \ @@ -178,6 +210,9 @@ static int qcom_of_fixup_nodes(void * __maybe_unused ctx, struct event *event) time_call(fixup_usb_nodes, root); time_call(fixup_power_domains, root); + if (IS_ENABLED(CONFIG_OPTEE) && is_optee_smc_api()) + time_call(add_optee_node, root); + return 0; } -- 2.51.0