From nobody Sun Apr 12 04:21:12 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 714F2C00140 for ; Tue, 2 Aug 2022 10:45:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236503AbiHBKpK (ORCPT ); Tue, 2 Aug 2022 06:45:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236426AbiHBKpG (ORCPT ); Tue, 2 Aug 2022 06:45:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 938B4248FA; Tue, 2 Aug 2022 03:45:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 330E76106C; Tue, 2 Aug 2022 10:45:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFFCDC433B5; Tue, 2 Aug 2022 10:45:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659437104; bh=yo2nOdusVJuwB3QYOkQK2Nyjtyu5pQaagx4P5BoZTuA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hlEewfSFQUx0cuQhGmBWh6PkGjH+RvLp1AamidCUcxyh9r1pX1EaGU7IxnGApDv9p yAaxe2H6Z+oeWTgHhBeG3fvgGeT9Tj6PuLR5gyqtKi5X3Rm09FwNOeRDJtQTI7FnwN wsv9/MExIrzdPkYb/8TIDThjaR7zqCu0pCE2cV6V6ANaxvXgO+e36Pmy3XTCypxPNL OrlFet0nQRJU2aINVNhPfh6Jnf/nPCvMDEmQ/bKq31UuCZflHHLKQO5aSIWZtgJLzR wlQOITsZlokJfjShk3wkvaYHDskqovU6FqahUnRCquhmsQkVS/YSnKOfFnoeyaHSdc 7krHv/YRttrNA== From: Roger Quadros To: nm@ti.com, vigneshr@ti.com Cc: kishon@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH v4 1/2] arm64: dts: ti: k3-am64-main: Add GPMC memory controller node Date: Tue, 2 Aug 2022 13:44:55 +0300 Message-Id: <20220802104456.11069-2-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220802104456.11069-1-rogerq@kernel.org> References: <20220802104456.11069-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The GPMC is a unified memory controller dedicated for interfacing with external memory devices like - Asynchronous SRAM-like memories and ASICs - Asynchronous, synchronous, and page mode burst NOR flash - NAND flash - Pseudo-SRAM devices Signed-off-by: Roger Quadros Reviewed-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 19 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am642-evm.dts | 4 ++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 4 ++++ 3 files changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts= /ti/k3-am64-main.dtsi index cdb530597c5e..0059de0aeedf 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -1308,4 +1308,23 @@ interrupt-names =3D "int0", "int1"; bosch,mram-cfg =3D <0x0 128 64 64 64 64 32 32>; }; + + gpmc0: memory-controller@3b000000 { + compatible =3D "ti,am64-gpmc"; + power-domains =3D <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>; + clocks =3D <&k3_clks 80 0>; + clock-names =3D "fck"; + reg =3D <0x00 0x03b000000 0x00 0x400>, + <0x00 0x050000000 0x00 0x8000000>; + reg-names =3D "cfg", "data"; + interrupts =3D ; + gpmc,num-cs =3D <3>; + gpmc,num-waitpins =3D <2>; + #address-cells =3D <2>; + #size-cells =3D <1>; + interrupt-controller; + #interrupt-cells =3D <2>; + gpio-controller; + #gpio-cells =3D <2>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/= ti/k3-am642-evm.dts index 8e7893e58b03..30647fc3eec2 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -676,3 +676,7 @@ pinctrl-0 =3D <&main_mcan1_pins_default>; phys =3D <&transceiver2>; }; + +&gpmc0 { + status =3D "disabled"; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/t= i/k3-am642-sk.dts index 59f506cbd275..bd9b36b16787 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -593,3 +593,7 @@ &main_mcan1 { status =3D "disabled"; }; + +&gpmc0 { + status =3D "disabled"; +}; --=20 2.17.1