From nobody Mon Feb 9 09:10:22 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0120A207A32; Sun, 21 Dec 2025 11:05:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766315120; cv=none; b=U43utSpFTikoA6P8pgotXL/lvlGElBiCxtdovi8w5Db6dLl15op2I9+D+A/ncBv7iIISeB5IgjQcvzHKa6OLaxTp914vui3IHu9AXNiPnZca3swPR9LLkStHCoWYQcSHbdvM4S+n9tWP1IUwFIOwA1mklyzNtb52vWhCExDq1UE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766315120; c=relaxed/simple; bh=WIWtUvOCXqllobCBnum35H1c/nzaFuG9Bf2t7pmwke8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ns+Qfix1kvLqTUXUuCqDnv0XM5Xcg2nBXRYZaMV6qgj6o90AtMU3olCQhk+yoQD8SgA0LX9nUORht3OTkY0kOH6YjAhKefJ4wqmcvGqiWTlw0wvR3xPPbQAgIN7AiswJcK3fnRleUECAHN60suqqrkmca18qAp6eh3GA4BBjOiw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RdXw/GcX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RdXw/GcX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74E52C19421; Sun, 21 Dec 2025 11:05:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766315119; bh=WIWtUvOCXqllobCBnum35H1c/nzaFuG9Bf2t7pmwke8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RdXw/GcX/Plbh9yviOIp+D7R73fpZzTGKvozTLxjXdP3f8OtJz+UdndQUKskJWTd0 VikTloCkvRmaDve4AqT8n0MOyg86SO9MdwzprKMMmOUWWGeWskO0qTGCYa5zLkI/4U V0m0MH7YtMz1/ebRfT/69PdYSZGNrCGXZFg+G0uOvfHRNbJ2NO9pRawHW9vLhmNoiE tXcNE/S4YOX+n5raBFuL8rR0OP4VEmmJbEBwcPh66IWHUSDIDjljmab7rBQdO+jl1d WLcaLbW386OU+JabmttYqN0EeYMyu3FKzM4WYx1eVBdWHSkDNCkYNhORG/NUGH5kPI dax1zsgEr+l1g== Received: by wens.tw (Postfix, from userid 1000) id 5FDF85FE52; Sun, 21 Dec 2025 19:05:17 +0800 (CST) From: Chen-Yu Tsai To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown Cc: Andre Przywara , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/4] arm64: dts: allwinner: t527: orangepi-4a: Enable SPI-NOR flash Date: Sun, 21 Dec 2025 19:05:11 +0800 Message-ID: <20251221110513.1850535-5-wens@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251221110513.1850535-1-wens@kernel.org> References: <20251221110513.1850535-1-wens@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The Orangepi 4A has a SPI-NOR flash connected to spi0 on the PC pins. The HOLD and WP pins are not connected, and are instead pulled up by the supply rail. Enable spi0 and add a device node for the SPI-NOR flash. Signed-off-by: Chen-Yu Tsai --- .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/ar= ch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index 9e6b21cf293e..055be86e5fae 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts @@ -400,6 +400,21 @@ &rtc { assigned-clock-rates =3D <32768>; }; =20 +&spi0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&spi0_pc_pins>, <&spi0_cs0_pc_pin>; + status =3D "okay"; + + flash@0 { + #address-cells =3D <1>; + #size-cells =3D <1>; + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + spi-max-frequency =3D <20000000>; + vcc-supply =3D <®_cldo1>; + }; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0_pb_pins>; --=20 2.47.3