From nobody Thu Feb 12 07:43:40 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 34C45C77B60 for ; Wed, 26 Apr 2023 10:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240614AbjDZK5s (ORCPT ); Wed, 26 Apr 2023 06:57:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240608AbjDZK5k (ORCPT ); Wed, 26 Apr 2023 06:57:40 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 445025265; Wed, 26 Apr 2023 03:57:38 -0700 (PDT) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 33QAvVPB098624; Wed, 26 Apr 2023 05:57:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1682506651; bh=Hm3EJu/qSrw2t3pXQaTOtm7l7auBwyIGsWpsVYasJ9M=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=qo8842UHPs4xMMeaUPoNK8+Lbn4WFr/I5P7iAjPpqVKy13FsZ/bcMl8g4XePTTGo4 1nVO7iBKoVd0WJ9ylqwkJ/Gl1uhAobQumwXBOIMiTWnLqbzdH0G++Tgp85//uaZkL9 HeP3A8yXS6kAZTNA4se+G2UWgNHqH2kN4G59X7sI= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 33QAvVIm096485 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 26 Apr 2023 05:57:31 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 26 Apr 2023 05:57:31 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 26 Apr 2023 05:57:31 -0500 Received: from uda0492258.dhcp.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 33QAvJqV001570; Wed, 26 Apr 2023 05:57:27 -0500 From: Siddharth Vadapalli To: , , , , , , CC: , , , , Subject: [RFC PATCH 2/2] arm64: dts: ti: k3-j721s2: Add overlay to enable main CPSW2G with GESI Date: Wed, 26 Apr 2023 16:27:18 +0530 Message-ID: <20230426105718.118806-3-s-vadapalli@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230426105718.118806-1-s-vadapalli@ti.com> References: <20230426105718.118806-1-s-vadapalli@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Kishon Vijay Abraham I The MAIN CPSW2G instance of CPSW on J721S2 SoC can be enabled with the GESI Expansion Board connected to the J7 Common-Proc-Board. Use the overlay to enable this. Add alias for the MAIN CPSW2G port to enable kernel to fetch MAC address directly from U-Boot. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Siddharth Vadapalli --- arch/arm64/boot/dts/ti/Makefile | 2 + .../dts/ti/k3-j721s2-evm-gesi-exp-board.dtso | 83 +++++++++++++++++++ 2 files changed, 85 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-evm-gesi-exp-board.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index c83c9d772b81..13db9b8dbe1d 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -42,6 +42,7 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-sk.dtb # Boards with J721s2 SoC dtb-$(CONFIG_ARCH_K3) +=3D k3-am68-sk-base-board.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-j721s2-common-proc-board.dtb +dtb-$(CONFIG_ARCH_K3) +=3D k3-j721s2-evm-gesi-exp-board.dtbo =20 # Boards with J784s4 SoC dtb-$(CONFIG_ARCH_K3) +=3D k3-am69-sk.dtb @@ -49,3 +50,4 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-j784s4-evm.dtb =20 # Enable support for device-tree overlays DTC_FLAGS_k3-am6548-iot2050-advanced-m2 +=3D -@ +DTC_FLAGS_k3-j721s2-common-proc-board +=3D -@ diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-evm-gesi-exp-board.dtso b/arc= h/arm64/boot/dts/ti/k3-j721s2-evm-gesi-exp-board.dtso new file mode 100644 index 000000000000..2ec08754bf04 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j721s2-evm-gesi-exp-board.dtso @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT Overlay for MAIN CPSW2G using GESI Expansion Board with J7 common pr= ocessor board. + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include + +#include "k3-pinctrl.h" + +&{/} { + aliases { + ethernet1 =3D "/bus@100000/ethernet@c200000/ethernet-ports/port@1"; + }; +}; + +&main_pmx0 { + main_cpsw_mdio_pins_default: main-cpsw-mdio-pins-default { + pinctrl-single,pins =3D < + J721S2_IOPAD(0x0c0, PIN_OUTPUT, 6) /* (T28) MCASP1_AXR0.MDIO0_MDC */ + J721S2_IOPAD(0x0bc, PIN_INPUT, 6) /* (V28) MCASP1_AFSX.MDIO0_MDIO */ + >; + }; + + rgmii1_pins_default: rgmii1-pins-default { + pinctrl-single,pins =3D < + J721S2_IOPAD(0x0b8, PIN_INPUT, 6) /* (AA24) MCASP1_ACLKX.RGMII1_RD0 */ + J721S2_IOPAD(0x0a0, PIN_INPUT, 6) /* (AB25) MCASP0_AXR12.RGMII1_RD1 */ + J721S2_IOPAD(0x0a4, PIN_INPUT, 6) /* (T23) MCASP0_AXR13.RGMII1_RD2 */ + J721S2_IOPAD(0x0a8, PIN_INPUT, 6) /* (U24) MCASP0_AXR14.RGMII1_RD3 */ + J721S2_IOPAD(0x0b0, PIN_INPUT, 6) /* (AD26) MCASP1_AXR3.RGMII1_RXC */ + J721S2_IOPAD(0x0ac, PIN_INPUT, 6) /* (AC25) MCASP0_AXR15.RGMII1_RX_CTL = */ + J721S2_IOPAD(0x08c, PIN_OUTPUT, 6) /* (T25) MCASP0_AXR7.RGMII1_TD0 */ + J721S2_IOPAD(0x090, PIN_OUTPUT, 6) /* (W24) MCASP0_AXR8.RGMII1_TD1 */ + J721S2_IOPAD(0x094, PIN_OUTPUT, 6) /* (AA25) MCASP0_AXR9.RGMII1_TD2 */ + J721S2_IOPAD(0x098, PIN_OUTPUT, 6) /* (V25) MCASP0_AXR10.RGMII1_TD3 */ + J721S2_IOPAD(0x0b4, PIN_OUTPUT, 6) /* (U25) MCASP1_AXR4.RGMII1_TXC */ + J721S2_IOPAD(0x09c, PIN_OUTPUT, 6) /* (T24) MCASP0_AXR11.RGMII1_TX_CTL = */ + >; + }; +}; + +&exp1 { + p15 { + /* P15 - EXP_MUX2 */ + gpio-hog; + gpios =3D <13 GPIO_ACTIVE_HIGH>; + output-high; + line-name =3D "EXP_MUX2"; + }; +}; + +&main_cpsw { + status =3D "okay"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&rgmii1_pins_default>; +}; + +&main_cpsw_mdio { + status =3D "okay"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&main_cpsw_mdio_pins_default>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + main_cpsw_phy0: ethernet-phy@0 { + reg =3D <0>; + ti,rx-internal-delay =3D ; + ti,fifo-depth =3D ; + ti,min-output-impedance; + }; +}; + +&main_cpsw_port1 { + status =3D "okay"; + phy-mode =3D "rgmii-rxid"; + phy-handle =3D <&main_cpsw_phy0>; +}; --=20 2.25.1