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Mon, 28 Oct 2024 10:31:24 -0500 Received: from DFLE113.ent.ti.com (10.64.6.34) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 28 Oct 2024 10:31:24 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 28 Oct 2024 10:31:24 -0500 Received: from [172.24.227.94] (uda0132425.dhcp.ti.com [172.24.227.94]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 49SFVKSq031040; Mon, 28 Oct 2024 10:31:21 -0500 Message-ID: Date: Mon, 28 Oct 2024 21:01:20 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 4/4] arm64: dts: ti: hummingboard-t: add overlays for m.2 pci-e and usb-3 To: Geert Uytterhoeven , Josua Mayer CC: Nishanth Menon , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yazan Shhady , , , References: <20240219-add-am64-som-v7-0-0e6e95b0a05d@solid-run.com> <20240219-add-am64-som-v7-4-0e6e95b0a05d@solid-run.com> From: Vignesh Raghavendra Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241028_083132_807195_3F5A0BA3 X-CRM114-Status: GOOD ( 13.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 25/10/24 19:27, Geert Uytterhoeven wrote: > Hi Josua, > > On Mon, Feb 19, 2024 at 4:05 PM Josua Mayer wrote: >> HummingBoard-T features two M.2 connectors labeled "M1" and "M2". >> The single SerDes lane of the SoC can be routed to either M1 pci-e >> signals, or M2 usb-3 signals by a gpio-controlled mux. >> >> Add overlays for each configuration. >> >> Signed-off-by: Josua Mayer > > Thanks for your patch, which is now commit bbef42084cc170cb ("arm64: > dts: ti: hummingboard-t: add overlays for m.2 pci-e and usb-3") in v6.9. > >> --- /dev/null >> +++ b/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t-usb3.dtso >> @@ -0,0 +1,44 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Copyright (C) 2023 Josua Mayer >> + * >> + * Overlay for SolidRun AM642 HummingBoard-T to enable USB-3.1. >> + */ >> + >> +/dts-v1/; >> +/plugin/; >> + >> +#include >> + >> +#include "k3-serdes.h" >> + >> +&serdes0 { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + serdes0_link: phy@0 { >> + reg = <0>; >> + cdns,num-lanes = <1>; >> + cdns,phy-type = ; >> + #phy-cells = <0>; >> + resets = <&serdes_wiz0 1>; >> + }; >> +}; >> + >> +&serdes_ln_ctrl { >> + idle-states = ; >> +}; >> + >> +&serdes_mux { >> + idle-state = <0>; >> +}; >> + >> +&usbss0 { >> + /delete-property/ ti,usb2-only; > > /delete-property/ (and /delete-node/) to delete something in the base DTS > does not work. Geert, Thanks for the catching Joshua, This overlay is pretty useless in light of above issue. I intend to just drop this file unless you convince me otherwise? -- Regards Vignesh