From nobody Fri Feb 13 19:27:10 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 B78E8CE79D1 for ; Wed, 20 Sep 2023 13:35:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236345AbjITNfI (ORCPT ); Wed, 20 Sep 2023 09:35:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234686AbjITNfF (ORCPT ); Wed, 20 Sep 2023 09:35:05 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCE1D9E for ; Wed, 20 Sep 2023 06:34:59 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1DB99C433CD; Wed, 20 Sep 2023 13:34:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695216899; bh=chV3GRCWr5Lml55DQwoEGOZDvAsEUjg7gojzo9cDXBk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lA/25alJIqhzZtBEaJdB5MCje9dmmQga3PK2pwJKeKqZMBztBfXD2qWZpyoQCZ5PN J7uRAtAeF4/rRv3QYmJIe++z0Ba+CYkiDR064Gv4TmEuSz4isu3Bgu/3wbpnwctpS8 ETvYvReFG0d0G06040t7pc9z4hCslnHvhI2YwSTnp3L0tPTmdKiTSJsjTW/WxzYofm JnWKS9OIPnem5+fT3INP676YVAarIqbfSCIiJAKYTTaGDPjicUsG96kWowbPPSoOxM Pm7IMr6MXqZWbq1uJ4HTKf7NFBqa7QKiB1g+KoAFxZ5+fULulw5kDUnnzwnvuHyAJZ 1meIt8EqDMwhg== From: Roger Quadros To: nm@ti.com Cc: vigneshr@ti.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, srk@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH 1/2] arm64: dts: ti: Enable support for overlays for relevant boards Date: Wed, 20 Sep 2023 16:34:49 +0300 Message-Id: <20230920133450.54226-2-rogerq@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920133450.54226-1-rogerq@kernel.org> References: <20230920133450.54226-1-rogerq@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Enable __symbols__ in board DT files for which we expect overlays to be supported. Signed-off-by: Roger Quadros --- arch/arm64/boot/dts/ti/Makefile | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index e7b8e2e7f083..06d6f264f292 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -72,8 +72,16 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-am69-sk.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-j784s4-evm.dtb =20 # Enable support for device-tree overlays +DTC_FLAGS_k3-am625-beagleplay +=3D -@ DTC_FLAGS_k3-am625-sk +=3D -@ DTC_FLAGS_k3-am62-lp-sk +=3D -@ +DTC_FLAGS_k3-am62a7-sk +=3D -@ +DTC_FLAGS_k3-am642-evm +=3D -@ +DTC_FLAGS_k3-am654-base-board +=3D -@ DTC_FLAGS_k3-am6548-iot2050-advanced-m2 +=3D -@ +DTC_FLAGS_k3-am68-sk-base-board +=3D -@ +DTC_FLAGS_k3-am69-sk +=3D -@ DTC_FLAGS_k3-j721e-common-proc-board +=3D -@ +DTC_FLAGS_k3-j721e-sk +=3D -@ DTC_FLAGS_k3-j721s2-common-proc-board +=3D -@ +DTC_FLAGS_k3-j784s4-evm +=3D -@ --=20 2.34.1 From nobody Fri Feb 13 19:27:10 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 E7076CE79D0 for ; Wed, 20 Sep 2023 13:35:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236089AbjITNfO (ORCPT ); Wed, 20 Sep 2023 09:35:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235161AbjITNfJ (ORCPT ); Wed, 20 Sep 2023 09:35:09 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C341CAD for ; Wed, 20 Sep 2023 06:35:02 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02E64C433CB; Wed, 20 Sep 2023 13:34:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695216902; bh=/364EGkj/gVc2ft7ZNM/DWNXL54VH7RWzR+gTvJjc14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sJTRCO1YJ0e5PNbBEWWiuLjN/4qGG8ilGc8jUvn9oqUqckPoHDMDSbuDnxIpI7EuT 0nsLPRf/7pzlf0nIlsW9C0DHJa/U/1ATRq+1yGEOtOQDr9FufW8tyXRVnstehg3UYH jTef+HMaIx/h3wDWDrRl5HTVYIAB8+FHwb8IQfnGdi1DAaLtUpeWA1suriRbNhdLjE olukeBKdvoi6pwTYvELhRwPYnsEBX4Hmupg/XtcxZUhFnNH0OKEoHAQvrlHh74aU+6 6Z6qBcp9U0X+lxQh1b1H/D1gg3LGklceSDcvuqgVBvmbnlFqmn+B1RQeJusu3ebwcD nDZfOfsxBfLgg== From: Roger Quadros To: nm@ti.com Cc: vigneshr@ti.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, srk@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH 2/2] arm64: dts: ti: am642-evm: Add overlay for NAND expansion card Date: Wed, 20 Sep 2023 16:34:50 +0300 Message-Id: <20230920133450.54226-3-rogerq@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920133450.54226-1-rogerq@kernel.org> References: <20230920133450.54226-1-rogerq@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The NAND expansion card plugs in over the HSE (High Speed Expansion) connector. Add support for it. Signed-off-by: Roger Quadros --- arch/arm64/boot/dts/ti/Makefile | 1 + arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso | 140 ++++++++++++++++++ 2 files changed, 141 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index 06d6f264f292..ece74085a6be 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -29,6 +29,7 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-am62p5-sk.dtb =20 # Boards with AM64x SoC dtb-$(CONFIG_ARCH_K3) +=3D k3-am642-evm.dtb +dtb-$(CONFIG_ARCH_K3) +=3D k3-am642-evm-nand.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-am642-phyboard-electra-rdk.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-am642-sk.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-am642-tqma64xxl-mbax4xxl.dtb diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso b/arch/arm64/boo= t/dts/ti/k3-am642-evm-nand.dtso new file mode 100644 index 000000000000..12593836eaab --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT overlay for HSE NAND expansion card on AM642 EVM + * + * Copyright (C) 2021-2023 Texas Instruments Incorporated - https://www.ti= .com/ + */ + +/dts-v1/; +/plugin/; +#include +#include +#include "k3-pinctrl.h" + +&main_pmx0 { + gpmc0_pins_default: gpmc0-pins-default { + pinctrl-single,pins =3D < + AM64X_IOPAD(0x0094, PIN_INPUT, 7) /* (T19) GPMC0_BE1n.GPIO0_36 */ + + AM64X_IOPAD(0x003c, PIN_INPUT, 0) /* (T20) GPMC0_AD0 */ + AM64X_IOPAD(0x0040, PIN_INPUT, 0) /* (U21) GPMC0_AD1 */ + AM64X_IOPAD(0x0064, PIN_INPUT, 0) /* (R16) GPMC0_AD10 */ + AM64X_IOPAD(0x0068, PIN_INPUT, 0) /* (W20) GPMC0_AD11 */ + AM64X_IOPAD(0x006c, PIN_INPUT, 0) /* (W21) GPMC0_AD12 */ + AM64X_IOPAD(0x0070, PIN_INPUT, 0) /* (V18) GPMC0_AD13 */ + AM64X_IOPAD(0x0074, PIN_INPUT, 0) /* (Y21) GPMC0_AD14 */ + AM64X_IOPAD(0x0078, PIN_INPUT, 0) /* (Y20) GPMC0_AD15 */ + AM64X_IOPAD(0x0044, PIN_INPUT, 0) /* (T18) GPMC0_AD2 */ + AM64X_IOPAD(0x0048, PIN_INPUT, 0) /* (U20) GPMC0_AD3 */ + AM64X_IOPAD(0x004c, PIN_INPUT, 0) /* (U18) GPMC0_AD4 */ + AM64X_IOPAD(0x0050, PIN_INPUT, 0) /* (U19) GPMC0_AD5 */ + AM64X_IOPAD(0x0054, PIN_INPUT, 0) /* (V20) GPMC0_AD6 */ + AM64X_IOPAD(0x0058, PIN_INPUT, 0) /* (V21) GPMC0_AD7 */ + AM64X_IOPAD(0x005c, PIN_INPUT, 0) /* (V19) GPMC0_AD8 */ + AM64X_IOPAD(0x0060, PIN_INPUT, 0) /* (T17) GPMC0_AD9 */ + AM64X_IOPAD(0x0098, PIN_INPUT_PULLUP, 0) /* (W19) GPMC0_WAIT0 */ + AM64X_IOPAD(0x009c, PIN_INPUT_PULLUP, 0) /* (Y18) GPMC0_WAIT1 */ + AM64X_IOPAD(0x00a8, PIN_OUTPUT_PULLUP, 0) /* (R19) GPMC0_CSn0 */ + AM64X_IOPAD(0x00ac, PIN_OUTPUT_PULLUP, 0) /* (R20) GPMC0_CSn1 */ + AM64X_IOPAD(0x00b0, PIN_OUTPUT_PULLUP, 0) /* (P19) GPMC0_CSn2 */ + AM64X_IOPAD(0x00b4, PIN_OUTPUT_PULLUP, 0) /* (R21) GPMC0_CSn3 */ + AM64X_IOPAD(0x007c, PIN_OUTPUT, 0) /* (R17) GPMC0_CLK */ + AM64X_IOPAD(0x0084, PIN_OUTPUT, 0) /* (P16) GPMC0_ADVn_ALE */ + AM64X_IOPAD(0x0088, PIN_OUTPUT, 0) /* (R18) GPMC0_OEn_REn */ + AM64X_IOPAD(0x008c, PIN_OUTPUT, 0) /* (T21) GPMC0_WEn */ + AM64X_IOPAD(0x0090, PIN_OUTPUT, 0) /* (P17) GPMC0_BE0n_CLE */ + AM64X_IOPAD(0x00a0, PIN_OUTPUT_PULLUP, 0) /* (N16) GPMC0_WPn */ + AM64X_IOPAD(0x00a4, PIN_OUTPUT, 0) /* (N17) GPMC0_DIR */ + >; + }; +}; + +&main_gpio0 { + gpio0-36 { + gpio-hog; + gpios =3D <36 0>; + input; + line-name =3D "GPMC0_MUX_DIR"; + }; +}; + +&elm0 { + status =3D "okay"; +}; + +&gpmc0 { + status =3D "okay"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&gpmc0_pins_default>; + ranges =3D <0 0 0x00 0x51000000 0x01000000>; /* CS0 space. Min partition = =3D 16MB */ + #address-cells =3D <2>; + #size-cells =3D <1>; + + nand@0,0 { + compatible =3D "ti,am64-nand"; + reg =3D <0 0 64>; /* device IO registers */ + interrupt-parent =3D <&gpmc0>; + interrupts =3D <0 IRQ_TYPE_NONE>, /* fifoevent */ + <1 IRQ_TYPE_NONE>; /* termcount */ + rb-gpios =3D <&gpmc0 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */ + ti,nand-xfer-type =3D "prefetch-polled"; + ti,nand-ecc-opt =3D "bch8"; /* BCH8: Bootrom limitation */ + ti,elm-id =3D <&elm0>; + nand-bus-width =3D <8>; + gpmc,device-width =3D <1>; + gpmc,sync-clk-ps =3D <0>; + gpmc,cs-on-ns =3D <0>; + gpmc,cs-rd-off-ns =3D <40>; + gpmc,cs-wr-off-ns =3D <40>; + gpmc,adv-on-ns =3D <0>; + gpmc,adv-rd-off-ns =3D <25>; + gpmc,adv-wr-off-ns =3D <25>; + gpmc,we-on-ns =3D <0>; + gpmc,we-off-ns =3D <20>; + gpmc,oe-on-ns =3D <3>; + gpmc,oe-off-ns =3D <30>; + gpmc,access-ns =3D <30>; + gpmc,rd-cycle-ns =3D <40>; + gpmc,wr-cycle-ns =3D <40>; + gpmc,bus-turnaround-ns =3D <0>; + gpmc,cycle2cycle-delay-ns =3D <0>; + gpmc,clk-activation-ns =3D <0>; + gpmc,wr-access-ns =3D <40>; + gpmc,wr-data-mux-bus-ns =3D <0>; + + partitions { + compatible =3D "fixed-partitions"; + #address-cells =3D <1>; + #size-cells =3D <1>; + + partition@0 { + label =3D "NAND.tiboot3"; + reg =3D <0x00000000 0x00200000>; /* 2M */ + }; + partition@200000 { + label =3D "NAND.tispl"; + reg =3D <0x00200000 0x00200000>; /* 2M */ + }; + partition@400000 { + label =3D "NAND.tiboot3.backup"; /* 2M */ + reg =3D <0x00400000 0x00200000>; /* BootROM looks at 4M */ + }; + partition@600000 { + label =3D "NAND.u-boot"; + reg =3D <0x00600000 0x00400000>; /* 4M */ + }; + partition@a00000 { + label =3D "NAND.u-boot-env"; + reg =3D <0x00a00000 0x00040000>; /* 256K */ + }; + partition@a40000 { + label =3D "NAND.u-boot-env.backup"; + reg =3D <0x00a40000 0x00040000>; /* 256K */ + }; + partition@a80000 { + label =3D "NAND.file-system"; + reg =3D <0x00a80000 0x3f580000>; + }; + }; + }; +}; --=20 2.34.1