From nobody Fri Feb 13 19:31:06 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 7F8DCE7D0BC for ; Fri, 22 Sep 2023 02:11:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230407AbjIVCLv (ORCPT ); Thu, 21 Sep 2023 22:11:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230386AbjIVCLu (ORCPT ); Thu, 21 Sep 2023 22:11:50 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3559FCE; Thu, 21 Sep 2023 19:11:44 -0700 (PDT) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 38LA0oR8085102; Thu, 21 Sep 2023 05:00:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1695290450; bh=EsvOrBq7yihY3/OtNp4KrVyXfQle0crBb8XNiHbDFO0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=oSAKg0QR5KV/xt9mePeF/2xZCVPOWmF2STv/s36X85SjJwXNBgY6w+AIrUO+5ovJ8 65wqZ8EtefNXVU/Ini2/NuzEtuwQTfOd3y9GcehwOaGD4MTwrB8JQvbBv9ZZgZZxJs zdGPjesgR41mhyHr4+wuBOKrjHiHxGB5YvBRpbBQ= Received: from DLEE115.ent.ti.com (dlee115.ent.ti.com [157.170.170.26]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 38LA0olY024130 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 21 Sep 2023 05:00:50 -0500 Received: from DLEE115.ent.ti.com (157.170.170.26) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 21 Sep 2023 05:00:49 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE115.ent.ti.com (157.170.170.26) 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; Thu, 21 Sep 2023 05:00:49 -0500 Received: from uda0500640.dal.design.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 38LA0dD5060269; Thu, 21 Sep 2023 05:00:47 -0500 From: Ravi Gunasekaran To: , CC: , , , , , , , , Subject: [PATCH 2/3] arm64: dts: ti: k3-am68-sk: Add DT node for PCIe Date: Thu, 21 Sep 2023 15:30:38 +0530 Message-ID: <20230921100039.19897-3-r-gunasekaran@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230921100039.19897-1-r-gunasekaran@ti.com> References: <20230921100039.19897-1-r-gunasekaran@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Sinthu Raja AM68 Starter kit features with one PCIe M.2 Key M connector interfaced via two SerDes lanes. Update the SerDes configuration for PCIe. Signed-off-by: Sinthu Raja Signed-off-by: Ravi Gunasekaran --- .../boot/dts/ti/k3-am68-sk-base-board.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/= boot/dts/ti/k3-am68-sk-base-board.dts index 5df5946687b3..81c2307c77f9 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -553,3 +553,32 @@ }; }; }; + +&serdes_ln_ctrl { + idle-states =3D , , + , ; +}; + +&serdes_refclk { + clock-frequency =3D <100000000>; +}; + +&serdes0 { + status =3D "okay"; + + serdes0_pcie_link: phy@0 { + reg =3D <0>; + cdns,num-lanes =3D <2>; + #phy-cells =3D <0>; + cdns,phy-type =3D ; + resets =3D <&serdes_wiz0 1>, <&serdes_wiz0 2>; + }; +}; + +&pcie1_rc { + status =3D "okay"; + reset-gpios =3D <&exp1 10 GPIO_ACTIVE_HIGH>; + phys =3D <&serdes0_pcie_link>; + phy-names =3D "pcie-phy"; + num-lanes =3D <2>; +}; --=20 2.17.1