From patchwork Fri Feb 28 14:50:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13996591 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A188CC19776 for ; Fri, 28 Feb 2025 15:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v21sWnJlxFga45ygRssCWMWsPMO5OizkChVp+t2W4Gc=; b=IoyXiBB9/gK4I9goMhjSXbeZPJ GMBezO+OH2s/JrGBuXkbI49//ZtY1L2FHk5b7FkrUm3TZV07g90l6E5x9Xv7q7ckYRXzQtu+ruGwx fXgFwLVkwXK/kL2F2yA5TUJYCWzUxCmAt+kYegaIkrnPybLZqK8rW8Jdotn9A4oz9NvAoX+SYi+S0 sMQR6AzneRj2gykSF9sM4a7iMap2cZW8cxc08uL84HeeUw1v5OTnLv3Ki6he1cPIaMtI1VDVQzwqx QEI8DVewupAK+6E9K8rBYBQ/XOI+ftu0wBnaw+BMH6ltujUneNUWxQMk52yE71iy/aLSS9at7QlzU K8yUdvRg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1to1tS-0000000BNXQ-0G98; Fri, 28 Feb 2025 15:03:14 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1to1ju-0000000BLCI-0H1V; Fri, 28 Feb 2025 14:53:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1740754400; bh=oRoY54GYwkZqq9qz+2JJWuc/yHiIM4DNvPGXJPJIl98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UPxUa2FfP22b2Q5Tc0r9oojcibLXvIhkoJ69hI6gNj1TgUqDnNsmgur2QydWvjkjw iijx9pKiKRtvPsPpGenohoWIfmtyy8tRRQr4rc4HP4C6S55AnjJCYRo4ytdmyg0nGA +3Bbh/Om/G7w9Sb/oKKqHwoed7Nsjvvib6C3LdN+nqTkz+4V3Dcy+Z7w7vSFFENazi 0zZYWH7E6pklX8tuViuCxrWhgMbL4GAGRETmhtFy1+zRpOO4q3kMkMOdVzfaw4djU6 Jv3ivI8GVejufqyjpRo22GkVdou9bys+ax1tkrG39jrqUkUu4MHk6qP+VSJ9FPo/d4 02Wa0V6ZZm7uQ== Received: from trenzalore.hitronhub.home (unknown [23.233.251.139]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3675217E0B64; Fri, 28 Feb 2025 15:53:18 +0100 (CET) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Detlev Casanova , Alexey Charkov , Dragan Simic , Stephen Chen , Kever Yang , Liang Chen , Elaine Zhang , Frank Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com Subject: [PATCH 2/2] arm64: dts: rockchip: Add SPI NOR device on the ROCK 4D Date: Fri, 28 Feb 2025 09:50:48 -0500 Message-ID: <20250228145304.581349-3-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250228145304.581349-1-detlev.casanova@collabora.com> References: <20250228145304.581349-1-detlev.casanova@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250228_065322_246858_FE206FE9 X-CRM114-Status: GOOD ( 10.34 ) 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 The SPI NOR chip is connected on the FSPI0 core, so enable the sfc0 node and add the flash device to it. The SPI NOR won't work at higher speed than 50 MHz, specify the limit. Signed-off-by: Detlev Casanova --- arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts index 5dc1c18a3b211..09977dc191fe1 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts @@ -670,6 +670,22 @@ &sdmmc { status = "okay"; }; + +&sfc0 { + pinctrl-names = "default"; + pinctrl-0 = <&fspi0_pins &fspi0_csn0>; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <1>; + vcc-supply = <&vcc_1v8_s3>; + }; +}; + &u2phy0 { status = "okay"; };