From patchwork Tue Sep 19 12:45:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 724576 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 6F0B1CD5BAD for ; Tue, 19 Sep 2023 12:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232166AbjISMqS (ORCPT ); Tue, 19 Sep 2023 08:46:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232112AbjISMqR (ORCPT ); Tue, 19 Sep 2023 08:46:17 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A798FF7 for ; Tue, 19 Sep 2023 05:46:06 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-5315b70c50dso1913857a12.2 for ; Tue, 19 Sep 2023 05:46:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fairphone.com; s=fair; t=1695127565; x=1695732365; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=sLLpoq+DcvN55YeifZ9SGsL5kC0r1lCyLX42UdQGXRo=; b=ZM35CBM6YRAPDvoUBrk9km8C+ovnxTJZyhk9lv5c5yUnvFyFiwO/G/QyiWncM7vPU8 Ndhht4hVSiEy94DtJ7XiAO0fRts8PlhDbcXaZ3paBZUNqka7KkDuuIPUpwE2tLgl4GNN tO9hwrAn4ntzhRT8KVasQCeoRoyJ7HhmjaQx9XuhaJh4X6nrU5TMPpZCirFj2oqwfQwl RGqSufOhV2AdmrgFbAU7EWdF5egUgzTKWubI+3CckomBpWPFW58gcOr3WHvRZZSApdUV z2U00uELE+0Y/FmkYcJi2SAkNQaVNofh/4OidxP9o1HlW1DXljY/xzd0h03GG2acI5aq 0wfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695127565; x=1695732365; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sLLpoq+DcvN55YeifZ9SGsL5kC0r1lCyLX42UdQGXRo=; b=M4EknkqImvRgWtJ6JoPvz117gai37pn+zWFe2mPYtsLurluaMF7BgcqfoH2luE5zjX 59WpN6n9sAtLWXYwanqAskRG26OypZZa58yQ6dGwHH8/n64LMIk/I3hIPFnexEsHtdfJ r+4Kk+OiV/4Xg/mRkq76M+UoIo1N3bIaue0yPVxVd5ZCqX44gk6gRgFNpH2QfDCVONte aWE9tEr7Deov4jQVOZ10u5RsRaiGeoI5p/3qQClM3gs/MxASFPHuzeTEZwN1T2SuwFm4 7+n7eCJMoTM8MaQzEtRUzluk/yshWz54pM7aZsH3QToyqESZZ2GeYuN15lOPQw60r75z ceSQ== X-Gm-Message-State: AOJu0YywB+t6HCOYOam4Q1covBzrMabNGyAg4sU+t0vUhLV794lRzvLj 9v1D5XoWsp3PcPD8rLAlfXkfUg== X-Google-Smtp-Source: AGHT+IFOoSh8VwSk3uaWIZRjca8rl/eH5qw0/LYnlSu9ZwfYCdjYA7p6eBAc6sBe6o86gMi+lEAZdQ== X-Received: by 2002:a05:6402:206c:b0:530:ad02:a6e8 with SMTP id bd12-20020a056402206c00b00530ad02a6e8mr7303734edb.42.1695127564948; Tue, 19 Sep 2023 05:46:04 -0700 (PDT) Received: from otso.luca.vpn.lucaweiss.eu (static-212-193-78-212.thenetworkfactory.nl. [212.78.193.212]) by smtp.gmail.com with ESMTPSA id dn22-20020a05640222f600b00532c1dfe8ecsm635878edb.66.2023.09.19.05.46.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Sep 2023 05:46:04 -0700 (PDT) From: Luca Weiss Date: Tue, 19 Sep 2023 14:45:55 +0200 Subject: [PATCH v2 1/7] arm64: dts: qcom: sc7280: Mark some nodes as 'reserved' MIME-Version: 1.0 Message-Id: <20230919-fp5-initial-v2-1-14bb7cedadf5@fairphone.com> References: <20230919-fp5-initial-v2-0-14bb7cedadf5@fairphone.com> In-Reply-To: <20230919-fp5-initial-v2-0-14bb7cedadf5@fairphone.com> To: cros-qcom-dts-watchers@chromium.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla , Linus Walleij , "Rafael J. Wysocki" , Viresh Kumar Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org With the standard Qualcomm TrustZone setup, components such as lpasscc, pdc_reset and watchdog shouldn't be touched by Linux. Mark them with the status 'reserved' and reenable them in the chrome-common dtsi. Signed-off-by: Luca Weiss --- arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 24 ++++++++++++++++++++++ arch/arm64/boot/dts/qcom/sc7280.dtsi | 8 +++++++- 2 files changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi index 2e1cd219fc18..5d462ae14ba1 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi @@ -46,6 +46,26 @@ wpss_mem: memory@9ae00000 { }; }; +&lpass_aon { + status = "okay"; +}; + +&lpass_core { + status = "okay"; +}; + +&lpass_hm { + status = "okay"; +}; + +&lpasscc { + status = "okay"; +}; + +&pdc_reset { + status = "okay"; +}; + /* The PMIC PON code isn't compatible w/ how Chrome EC/BIOS handle things. */ &pmk8350_pon { status = "disabled"; @@ -84,6 +104,10 @@ &scm { dma-coherent; }; +&watchdog { + status = "okay"; +}; + &wifi { status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 2af42d0ad99e..3f7f5c99eaf8 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2316,6 +2316,7 @@ lpasscc: lpasscc@3000000 { clocks = <&gcc GCC_CFG_NOC_LPASS_CLK>; clock-names = "iface"; #clock-cells = <1>; + status = "reserved"; /* Owned by ADSP firmware */ }; lpass_rx_macro: codec@3200000 { @@ -2467,6 +2468,7 @@ lpass_aon: clock-controller@3380000 { clock-names = "bi_tcxo", "bi_tcxo_ao", "iface"; #clock-cells = <1>; #power-domain-cells = <1>; + status = "reserved"; /* Owned by ADSP firmware */ }; lpass_core: clock-controller@3900000 { @@ -2477,6 +2479,7 @@ lpass_core: clock-controller@3900000 { power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>; #clock-cells = <1>; #power-domain-cells = <1>; + status = "reserved"; /* Owned by ADSP firmware */ }; lpass_cpu: audio@3987000 { @@ -2547,6 +2550,7 @@ lpass_hm: clock-controller@3c00000 { clock-names = "bi_tcxo"; #clock-cells = <1>; #power-domain-cells = <1>; + status = "reserved"; /* Owned by ADSP firmware */ }; lpass_ag_noc: interconnect@3c40000 { @@ -4243,6 +4247,7 @@ pdc_reset: reset-controller@b5e0000 { compatible = "qcom,sc7280-pdc-global"; reg = <0 0x0b5e0000 0 0x20000>; #reset-cells = <1>; + status = "reserved"; /* Owned by firmware */ }; tsens0: thermal-sensor@c263000 { @@ -5239,11 +5244,12 @@ msi-controller@17a40000 { }; }; - watchdog@17c10000 { + watchdog: watchdog@17c10000 { compatible = "qcom,apss-wdt-sc7280", "qcom,kpss-wdt"; reg = <0 0x17c10000 0 0x1000>; clocks = <&sleep_clk>; interrupts = ; + status = "reserved"; /* Owned by Gunyah hyp */ }; timer@17c20000 {