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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-315bebde2e6sm8918689eec.21.2026.08.07.09.35.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 09:35:51 -0700 (PDT) From: Md Sadre Alam Date: Fri, 07 Aug 2026 22:05:32 +0530 Subject: [PATCH v2 2/3] arm64: dts: qcom: ipq5424-rdp466: Enable quad SPI mode for SPI-NAND Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260807-quad_dts-v2-2-6f578d4152b7@oss.qualcomm.com> References: <20260807-quad_dts-v2-0-6f578d4152b7@oss.qualcomm.com> In-Reply-To: <20260807-quad_dts-v2-0-6f578d4152b7@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Md Sadre Alam , Konrad Dybcio X-Mailer: b4 0.14.3 X-Proofpoint-GUID: z5ne6lSDh519xhmx1YIe0p2rux-ZUJTz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDEyOSBTYWx0ZWRfXwh2EbFh5aF6e HbB3nOQeGkxdpoXzR87vXrS8VGONf8NKbNS+Wg83IMUiFcsKXlrdQe0jIBY39JNxWo6GBR8W2cg 0LM7/7QMsO44RRmfo87Q+DYlMudFJlUQBVhAAM+AxEJhlzNyazTTBKgbiEQsk4NSQ7w4yPcOO1h rhz1X1J4NbiAA80o2sSfEHe16ipblMo09RoOQ59PawSWImFlUUeLlgu86sHyiUSw+Eo2XgSKj6j DOba2dIz9ePrKGiYEB+2qr0O/UbsorUZde7svVaqLFXJVCMo2FoLB6AUBwOTCwhq0mIUmBZMFHk uMYlxb8bjCWWFJZHXJr+eR0dXw6SP4IWayndAeUXz1xPFg3HACR90F6etGsr9g6OwgkzyyjwfcY /zaymz5p7L/vKyVujgbQlzuyD9uZZXd57Ncm+EgR7Qz1tvTXFk6wmcmxkMfbk0T0m/caUrwL4k7 1m4X/82HYdmfI4LZeIA== X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDEyOSBTYWx0ZWRfX8GsVcdJ57vcH MLnbGgQbPXjQTimqaaUuZwM55XLrfiFx1nZUNjtJuLF270R/2T79IP6rwe/JvkyEwin+XZz+UCF 14DmO2W58tWZSiStJVZoh7oEiuFxI2g= X-Proofpoint-ORIG-GUID: z5ne6lSDh519xhmx1YIe0p2rux-ZUJTz X-Authority-Analysis: v=2.4 cv=MbpcfZ/f c=1 sm=1 tr=0 ts=6a76096a cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=7mV663YIiae9hK7Uy8kA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-07_03,2026-08-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070129 Enable quad SPI transfers for the SPI-NAND device by setting both spi-rx- bus-width and spi-tx-bus-width to 4. Without these properties, the device uses the default single-bit bus width. Configure the board to use 4-bit read and write transfers so the controller and flash can operate in quad SPI mode. Reviewed-by: Konrad Dybcio Signed-off-by: Md Sadre Alam --- arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts index be8657239c46..793afc3ee82e 100644 --- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts +++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts @@ -261,6 +261,8 @@ flash@0 { nand-ecc-engine = <&qpic_nand>; nand-ecc-strength = <4>; nand-ecc-step-size = <512>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; }; }; -- 2.34.1